Description : The maximum number of covalent bonds formed by nitrogen is (a) 1 (b) 2 (c) 3 (d) 4
Last Answer : Ans:(d)
Description : Which of the following elements can form the great number of covalent bonds? w) carbon x) nitrogen y) oxygen z) sulfur
Last Answer : ANSWER: Z -- SULFUR
Description : Is nitrogen trifluoride a covalent compound?
Last Answer : Nitrogen trifluoride is a covalent compound.
Description : A single covalent bond (a) Is formed by the transfer of two electrons (b) Exists between hydrogen and chlorine in an aqueous solution, of hydrochloric acid (c) Is longer than a double bond (d) Does not require energy to disrupt it unlike an ionic bond
Last Answer : Ans:(c)
Description : a covalent bond is formed by the following process -General Knowledge
Last Answer : A covalent bond is formed by D) Gaining or losing two or more electrons by an atom.
Description : What can covalent compounds be formed between?
Last Answer : Covalent compounds are formed by sharing of electrons.
Description : How is a covalent bond is formed between atoms?
Last Answer : the atoms share electrons
Description : Bonds formed by the sharing of an electron pair between two atoms are known as - (1) Covalent bonds (2) Ionic bonds (3) Weak bonds (4) None of the above
Last Answer : (1) Covalent bonds Explanation: Bonds which are formed by the sharing of an electron pair between two atoms are known as covalent bonds.
Description : Pick out the wrong statement. (A) Copper is the metal having the highest electronic conductivity (B) Hardenability & Weldability of metals are inversely related (C) Covalent bonding formed by ... all semiconductor materials (D) Glass transition temperature applies to 'polymers' but not to 'glasses'
Last Answer : Option A
Description : Define Ionic Bond & Covalent Bond how it is formed explain with example.
Last Answer : Ans : Ionic Bond OR Electrovalent Bond : The attraction that binds oppositely charged ions together is termed as electrovalent bond or ionic bond. It is formed between the atoms with electronegativity ... most shell by means of sharing of unpaired electrons & thus a covalent bond is formed.
Description : Covalent bonds are formed by the sharing of a pair of ____. a. atoms c. electrons b. neurons d. protons
Last Answer : c. electrons
Description : The bond most likely to be formed when two atoms differ SOMEWHAT in their tendency to attract electrons is: w) nonpolar ionic x) polar ionic y) polar covalent z) nonpolar covalent
Last Answer : ANSWER: Y -- POLAR COVALENT
Description : The covalent bond is formed by?
Last Answer : The covalent bond is formed by sharing of electrons between atoms.
Description : Which of the following halides has the maximum covalent character ?
Last Answer : Which of the following halides has the maximum covalent character ? A. LiI B. NaI C. KI D. CsI
Description : The greatest number of compounds are formed by the element (a) hydrogen (b) carbon (c) oxygen (d) nitrogen
Last Answer : Ans:(b)
Description : Assertion :- Oxidation number of carbon in `CH_(2)O` is zero. Reason :- `CH_(2)O` (formaldehyde) is a covalent compound.
Last Answer : Assertion :- Oxidation number of carbon in `CH_(2)O` is zero. Reason :- `CH_(2)O` (formaldehyde ... is False. D. If both Assertion & Reason are False.
Description : What is he smallest whole number ratio of the elements in an ionic or covalent compound?
Last Answer : Need answer
Description : $ The two strands of DNA run in an antiparallel directions DNA is formed of Deoxyribose sugar. Phosphorus and nitrogen bases called purines and pyrimi
Last Answer : $ The two strands of DNA run in an antiparallel directions DNA is formed of Deoxyribose sugar. Phosphorus and ... wrong D. If both As and R are wrong.
Description : The nitrogen compound formed when `CaCN_(2)` reacts with steam or hot water is
Last Answer : The nitrogen compound formed when `CaCN_(2)` reacts with steam or hot water is A. `N_(2)O` B. NO C. `NO_(2)` D. `NH_(3)`
Description : How many moles of NH3 gas will be formed if 7.9 moles of nitrogen gas react?
Last Answer : Write the balanced equation: N2 + 3H2 ==> 2NH3 7.9 moles N2 x2 moles NH3/1 mole N2 = 15.8 moles NH3 formed (assuming H2 isn'tlimiting).Corrected for 2 significant figures, answer would be 16moles
Description : What is the name of the compound formed when potassium and nitrogen are combined?
Last Answer : The chemical formula of potassium nitrate is KNO3.
Description : What is the name of the compound formed when potassium nitrogen and oxygen are combined?
Description : 45.4 L of nitrogen reacted with 22.7 L of oxygen and 45.4 L of nitrogen oxide was formed. The reaction is given below: 2N2(g) + O2(g) →2N2O(g) Which law is being obeyed in this experiment? Write the statement of this law.
Last Answer : Ans. Gay lussac’s law of gaseous volume is being obeyed. According to gay lussac’s law of gaseous volumes, gases combine or are produced in a chemical reaction in a simple ration by volume, provided that all gases are the same temperature and pressure.
Description : A nucleotide is formed of (a) purine, pyrimidine and phosphate (b) purine, sugar and phosphate (c) nitrogen base, sugar and phosphate (d) pyrimidine, sugar and phosphate
Last Answer : (c) nitrogen base, sugar and phosphate
Description : Pick out the wrong statement. (A) Addition of methane to the furnace atmosphere reduces decarburising by hydrogen (B) Nitrogen in presence of steam decor-burises high carbon steel, whereas hydrocarbon ... the metal surface) cause nitride formation with increase in surface hardness (D) None of these
Last Answer : (D) None of these
Description : What happens when urea is treated with hydrazine? (a) Biuret is formed (b) Semicarbazide is formed (c) Carbon dioxide and nitrogen is formed (d) Acetamide is formed
Last Answer : Semicarbazide is formed
Description : When vinegar and baking soda are mixed together, w gas is formed? w) oxygen x) nitrogen y) carbon dioxide z) hydrogen
Last Answer : ANSWER: Y -- CARBON DIOXIDE
Description : In upper layer of atmosphere ozone is formed by (1) the action of ultraviolet rays on oxygen (2) the combination of oxygen molecules (3) subjecting oxygen to high pressure (4) the action of nitrogen on oxygen in atmosphere
Last Answer : the action of ultraviolet rays on oxygen