What compounds only contain non metals?

What compounds only contain non metals?
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Metalloids (A) Are good conductor of heat & electricity (B) Act as electron donors with metals & as electron acceptor with non metals (C) Are not necessarily solids at room temperature (D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

Description : Metalloids (A) Are good conductor of heat & electricity (B) Act as electron donors with metals & as electron acceptor with non metals (C) Are not necessarily solids at room temperature ... & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

Last Answer : D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

In condensation polymerisation as compared to addition polymerisation (A) The monomers are unsaturated compounds (B) No co-product is lost (C) The monomers contain two functional groups (D) Generally only one monomer is involved

Description : In condensation polymerisation as compared to addition polymerisation (A) The monomers are unsaturated compounds (B) No co-product is lost (C) The monomers contain two functional groups (D) Generally only one monomer is involved

Last Answer : (C) The monomers contain two functional groups

Why do metals conduct electricity but crystals of ionic compounds do not conduct electricity ?

Description : Why do metals conduct electricity but crystals of ionic compounds do not conduct electricity ?

Last Answer : Metals have free electrons. These electrons, created to gain the electromagnetic positivity and octal structure of the metal, flow from the negative side of the electric source to the positive edge ... electrons does not occur in it. Therefore crystals of ionic compounds do not conduct electricity.

Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature and hydrogen bonding is more important f

Description : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature and hydrogen bonding is more important f

Last Answer : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature ... H_(2)O lt H_(2)Te -` boiling point

Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature and hydrogen bonding is more important f

Description : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature and hydrogen bonding is more important f

Last Answer : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ... oxides are usually covalent and acidic in nature

Which of the following elements react with metals to form their binary compounds exhibiting `-3` oxidation state ?

Description : Which of the following elements react with metals to form their binary compounds exhibiting `-3` oxidation state ?

Last Answer : Which of the following elements react with metals to form their binary compounds exhibiting `-3` oxidation state ? A. N B. P C. As D. Bi

Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature and hydrogen bonding is more important f

Description : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature and hydrogen bonding is more important f

Last Answer : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature ... H_(2)O lt H_(2)Te -` boiling point

Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature and hydrogen bonding is more important f

Description : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature and hydrogen bonding is more important f

Last Answer : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ... oxides are usually covalent and acidic in nature

Which of the following elements react with metals to form their binary compounds exhibiting `-3` oxidation state ?

Description : Which of the following elements react with metals to form their binary compounds exhibiting `-3` oxidation state ?

Last Answer : Which of the following elements react with metals to form their binary compounds exhibiting `-3` oxidation state ? A. N B. P C. As D. Bi

Are metals compounds?

Description : Are metals compounds?

Last Answer : yes

Compounds that are needed for enzymes to function properly are – (1) Steroids (2) Vitamins (3) Heavy metals (4) Buffers

Description : Compounds that are needed for enzymes to function properly are – (1) Steroids (2) Vitamins (3) Heavy metals (4) Buffers

Last Answer : (2) Vitamins Explanation: Vitamins are organic molecules that function in a wide variety of capacities within the body. The most prominent function of the vitamins is to serve as cofactors ( ... reactions. If an enzyme lacks the essential vitamin, it cannot perform its catalyst function properly.

Give reason .the compounds of alkaline earth metals are less ionic than alkali metals

Description : Give reason .the compounds of alkaline earth metals are less ionic than alkali metals

Last Answer : Ans This is due to increased nuclear charge and smaller size.

Why are transition metals and there compounds generally coloured ?

Description : Why are transition metals and there compounds generally coloured ?

Last Answer : Ans It is due to present of unpaired electrons in transition metals and their ions , that is why they absorbed light from visible region and undergoes d-d transition and radiate complementary colour . 

The catalytic activity of transition metals and their compounds is ascribed mainly to (1) their chemical reactivity (2) their magnetic behaviour (3) their unfilled d-orbitals (4) their ability to adopt variable oxidation states

Description : The catalytic activity of transition metals and their compounds is ascribed mainly to (1) their chemical reactivity (2) their magnetic behaviour (3) their unfilled d-orbitals (4) their ability to adopt variable oxidation states

Last Answer : (4) their ability to adopt variable oxidation states

Give reason .the compounds of alkaline earth metals are less ionic than alkali metals

Description : Give reason .the compounds of alkaline earth metals are less ionic than alkali metals

Last Answer : This is due to increased nuclear charge and smaller size. 

Which one of the following statements concerning elements in the Periodic Table is correct? A Elements of the same group all have the same number of electrons in the outermost occupied electron shell. B Elements of Group 16 occur as cations in ionic compounds. C Oxides of elements in Groups 16 and 17 are basic. D The halogens (Group 17) are all gases at room temperature. E The Group 13 elements are all metals.

Description : Which one of the following statements concerning elements in the Periodic Table is correct? A Elements of the same group all have the same number of electrons in the outermost occupied electron shell. B ... (Group 17) are all gases at room temperature. E The Group 13 elements are all metals.

Last Answer : D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

Compounds that are needed for enzymes to function properly are (1) Steroids (2) Vitamins (3) Heavy metals (4) Buffers

Description : Compounds that are needed for enzymes to function properly are (1) Steroids (2) Vitamins (3) Heavy metals (4) Buffers

Last Answer : Vitamins

Is it true that many metals are extracted from ores that contain sulfide minerals?

Description : Is it true that many metals are extracted from ores that contain sulfide minerals?

Last Answer : Feel Free to Answer

Metals are good conductors of electricity because (a) The contain free electrons (b) The atoms are lightly packed (c) They have high melting point (d) All of the above

Description : Metals are good conductors of electricity because (a) The contain free electrons (b) The atoms are lightly packed (c) They have high melting point (d) All of the above

Last Answer : Ans:(b)

(1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one being bodycentered cubic wherein each metal atom is surrounded by eight equivalent atoms. The other main motif is face-centered cubic where the metal atoms are surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.

Description : (1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one ... surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.

Last Answer : Helium gas is filled in ballons because (1) its atomic number is 2 (2) it is lighter than air (3) it is one of the constitutents of water (4) it is a noble gas

Metals are good conductors of electricity because - (1) they contain free electrons (2) the atoms are lightly packed (3) they have high melting point (4) All of the above

Description : Metals are good conductors of electricity because - (1) they contain free electrons (2) the atoms are lightly packed (3) they have high melting point (4) All of the above

Last Answer : (1) they contain free electrons Explanation: Copper is used for electrical wiring because it is a good conductor of electricity. Metal particles are held together by strong metallic bonds, which is why they have high melting and boiling points.

Metals are good conductors of electricity because – (1) they contain free electrons (2) the atoms are lightly packed (3) they have high melting point (4) All of the above

Description : Metals are good conductors of electricity because – (1) they contain free electrons (2) the atoms are lightly packed (3) they have high melting point (4) All of the above

Last Answer : (1) they contain free electrons Explanation: Copper is used for electrical wiring because it is a good conductor of electricity. Metal particles are held together by strong metallic bonds, which is why they have high melting and boiling points.

What compounds that contain both carbon and hydrogen atoms?

Description : What compounds that contain both carbon and hydrogen atoms?

Last Answer : They are organic compounds; specifically, they are hydrocarbons.

Polysaccharides (A) Contain many monosaccharide units which may or may not be of the same kind (B) Function mainly a storage or structural compounds (C) Are present in large amounts in connective tissue (D) All of these

Description : Polysaccharides (A) Contain many monosaccharide units which may or may not be of the same kind (B) Function mainly a storage or structural compounds (C) Are present in large amounts in connective tissue (D) All of these

Last Answer : D

Contraceptive pills in the market contain – (1) steroid-hormones (2) inorganic compounds (3) herbicides (4) antibiotics

Description : Contraceptive pills in the market contain – (1) steroid-hormones (2) inorganic compounds (3) herbicides (4) antibiotics

Last Answer : (1) steroid-hormones Explanation: Contraceptive, pill: Commonly called "the pill," combined oral contraceptives are the most commonly used form of reversible birth control in the United States.

(3) They are not easily combustible Explanation: Typical organic compounds are combustible by nature as they contain carbon. Organic compounds mostly consist of carbon, hydrogen, halogen, and phosphorus.

Description : (3) They are not easily combustible Explanation: Typical organic compounds are combustible by nature as they contain carbon. Organic compounds mostly consist of carbon, hydrogen, halogen, and phosphorus.

Last Answer : Which of the process is known as nitrification? (1) Reaction of Nitrogen Monoxide with oxygen to form nitric acid (2) Reaction of nitrogen dioxide with water to form nitric acid (3) Conversion of ammonia to nitrites (4) Conversion of nitrite to nitric oxide

(1) waste water released from kitchen Explanation: Sullage is a term used to descibe wastewater that wises as a byproduct of daily human activities such as showering, washing kitchen utensils, and doing the laundry. It is used water that does not contain excreta. Sullage is commonly referred to as gray water that is a mixture of water, soap, detergent, bleach, dirt, and other compounds discarded after use.

Description : (1) waste water released from kitchen Explanation: Sullage is a term used to descibe wastewater that wises as a byproduct of daily human activities such as showering, washing kitchen utensils, and doing ... a mixture of water, soap, detergent, bleach, dirt, and other compounds discarded after use.

Last Answer : A solution is - (1) a homogeneous mixture of two or more substances (2) a solid dissolved in a liquid (3) a solid dissolved i water (4) a mixture of two liquids

Part of the insulation of practically all electrical machinery is in the form of organic compounds which contain some amount of ______________. A. asbestos B. water C. fibre D. plastic

Description : Part of the insulation of practically all electrical machinery is in the form of organic compounds which contain some amount of ______________. A. asbestos B. water C. fibre D. plastic

Last Answer : Answer: B

Why are Calcium Carbide (CaC 2 ), Carbon monoxide (CO), Carbon dioxide (CO 2 ), Hydrogen cyanide (HCN) and calcium carbonate (CaCO 3 ) classified as inorganic compounds through they contain carbon?

Description : Why are Calcium Carbide (CaC 2 ), Carbon monoxide (CO), Carbon dioxide (CO 2 ), Hydrogen cyanide (HCN) and calcium carbonate (CaCO 3 ) classified as inorganic compounds through they contain carbon?

Last Answer : These compounds contain only one or two carbon atoms per formula unit and contain no carbon-carbon (C-C) bonds or carbon-hydrogen bonds. Hence they are classified as inorganic compounds.

Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils (A) Cause cholesterol build up and blood clotting (B) Are prone to rancid oxidation (C) Always contain some amount of nickel (as their complete removal is very difficult) (D) Have affinity to retain harmful sulphur compounds

Description : Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils (A) Cause cholesterol build up and blood clotting (B) Are prone to rancid oxidation (C ... (as their complete removal is very difficult) (D) Have affinity to retain harmful sulphur compounds

Last Answer : (A) Cause cholesterol build up and blood clotting

Ketones are organic compounds. Name the functional group that all ketone molecules contain.

Description : Ketones are organic compounds. Name the functional group that all ketone molecules contain.

Last Answer : ANSWER: CARBONYL GROUP pr C DOUBLE BOND O

Contraceptive pills in the market contain (1) Inorganic compounds (2) Herbicides (3) Antibiotics (4) Steroid-hormones

Description : Contraceptive pills in the market contain (1) Inorganic compounds (2) Herbicides (3) Antibiotics (4) Steroid-hormones

Last Answer : Steroid-hormones

Choose the incorrect statement pertaining to organic compounds (1) They have low melting and boiling points (2) They do not dissolve in water (3) They are not easily combustible (4) They contain mainly carbon and hydrogen

Description : Choose the incorrect statement pertaining to organic compounds (1) They have low melting and boiling points (2) They do not dissolve in water (3) They are not easily combustible (4) They contain mainly carbon and hydrogen

Last Answer : They are not easily combustible

The ore only two metals that are Non–Silver in colour, they are–

Description : The ore only two metals that are Non–Silver in colour, they are–

Last Answer : Copper and gold

Which of the following statements is/are correct? 1. A materials requisition note is used to record the issue of direct material to a specific job. 2. A typical job cost will contain actual costs for material, labour and production overheads, and non –production overheads are often added as a percentage of total production cost 3. The job costing method can be applied in costing batches (a) (1) only (b) (1) and (2) only (c) (1) and (3) only (d) (2) and (3) only

Description : Which of the following statements is/are correct? 1. A materials requisition note is used to record the issue of direct material to a specific job. 2. A typical job cost will contain actual costs for material, labour and production ... 1) and (2) only (c) (1) and (3) only (d) (2) and (3) only

Last Answer : (c) (1) and (3) only

Why does metal make a sound when hammered and non-metals not?

Description : Why does metal make a sound when hammered and non-metals not?

Last Answer : Everything makes a sound when hit. Rigid things tend to make more sound because the vibration propagates over the whole shape quickly because the rigid thing is held tightly, so instead of just giving ... -lasting sound at one frequency. Metal is a rigid thing because of its structure. See above.

Which atomic structures go with metals/non metals?

Description : Which atomic structures go with metals/non metals?

Last Answer : I'm assuming you haven't gotten an answer to your question for 2 months because you're question isn't specific and doesn't really make sense (no offense ) What are you looking you for? I'd be glad ... , I'm a chem eng major and helping ppl with their chemistry helps me remember and get better at it!

Examples of non-metals are ………. , …….. and ……. -Science

Description : Examples of non-metals are ………. , …….. and ……. -Science

Last Answer : Sulphur, chlorine and oxygen.

Non-metals cannot be drawn into wires. Why ? [DAV2008] -Science

Description : Non-metals cannot be drawn into wires. Why ? [DAV2008] -Science

Last Answer : Non-metals are not ductile, therefore they cannot be drawn into wires.

How many metals and non-metals are there in periodic table ?

Description : How many metals and non-metals are there in periodic table ?

Last Answer : In the periodic table, those metals and 2 non-metals are : - Alkali metals , clay metals , transition elements , interstitial elements , lanthanides , actinides and weak metals are all called metals together. Halogen and inert gases are also non-metals.

Are non-metals and gases the same ?

Description : Are non-metals and gases the same ?

Last Answer : Answer:, Non-metals and gas are not one. Non-metals can also be solid or liquid. Such as: - Sulfur (solid in some cases) , Bromine (liquid). However, although all gases are non-metallic, not all non-metals are gases.

What are metals and non-metals ?

Description : What are metals and non-metals ?

Last Answer : Metals: Atoms of elements which produce cations by releasing electrons are called metals. Non-metals: All the elements that receive electrons and are anionized or share electrons during the formation of bonds are called non-metals .

What are all non-metals ?

Last Answer : All non-metallic corrosive

Hot conc. `H_(2)SO_(4)` acts as moderately strong oxidising agent. It oxidises both metals and non-metals. Which of the following elements is oxidised

Description : Hot conc. `H_(2)SO_(4)` acts as moderately strong oxidising agent. It oxidises both metals and non-metals. Which of the following elements is oxidised

Last Answer : Hot conc. `H_(2)SO_(4)` acts as moderately strong oxidising agent. It oxidises both metals and non-metals. Which ... products ? A. Cu B. S C. C D. Zn

Non-metals combine with oxygen to form usually

Description : Non-metals combine with oxygen to form usually

Last Answer : Non-metals combine with oxygen to form usually A. Basic oxides B. neutral oxides C. acidic oxides D. Amphoteric oxides

Compare chemical properties of metals and non-metals.

Description : Compare chemical properties of metals and non-metals.

Last Answer : Compare chemical properties of metals and non-metals.

Can non metals be solids?

Description : Can non metals be solids?

Last Answer : Need answer

Why cant flame test be use to identify non metals?

Description : Why cant flame test be use to identify non metals?

Last Answer : Non metals cannot emit a colored light.

What are some of the non magnetic metals?

Description : What are some of the non magnetic metals?

Last Answer : Some non-magnetic metals: aluminium, copper, lead, tin, titanium, zinc, brass, bronze, gold, and silver

Do all non metals have a dull surface?

Description : Do all non metals have a dull surface?

Last Answer : Gases for example haven't a surface.