What is a characteristic property of an Alkaline earth metal?

What is a characteristic property of an Alkaline earth metal?
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What is the property of Alkaline earth metal Ions ?

Description : What is the property of Alkaline earth metal Ions ?

Last Answer : Lithium

What happens when nitrates of alkaline earth metal is heated?

Description : What happens when nitrates of alkaline earth metal is heated?

Last Answer : Ans The nitrates are made by dissolution of the carbonates in dilute nitric acid. Magnesium nitrate crystallises with six molecules of water, whereas barium nitrate crystallises as the anhydrous salt. ... hydration enthalpy. All of them decompose on heating to give the oxide like lithium nitrate.

Name the alkaline earth metal used in radio therapy.

Description : Name the alkaline earth metal used in radio therapy.

Last Answer : Ans : Radium salts are used in radiotherapy, for example, in the treatment of cancer.

Electrometallurgical methods of metal extraction is normally used for those metals (A) Whose oxide/ore is not reduced by carbon (B) Which fall in the category of alkali & alkaline earth metals (C) Which stands higher in the electrochemical series of the metal (D) All (A), (B) & (C)

Description : Electrometallurgical methods of metal extraction is normally used for those metals (A) Whose oxide/ore is not reduced by carbon (B) Which fall in the category of alkali & alkaline earth metals (C) Which stands higher in the electrochemical series of the metal (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Name the alkaline earth metal used in radio therapy.

Description : Name the alkaline earth metal used in radio therapy. 

Last Answer : Radium salts are used in radiotherapy, for example, in the treatment of cancer. 

Which of the following elements is not an alkaline earth metal? w) beryllium x) barium y) calcium z) rubidium

Description : Which of the following elements is not an alkaline earth metal? w) beryllium x) barium y) calcium z) rubidium

Last Answer : ANSWER: Z -- RUBIDIUM

Which of the following reagents will react with propene? (a) Hot alkaline KMnO4 (b) Sodium metal (c) Cold dilute HNO3 (d) LiAlH4

Description : Which of the following reagents will react with propene? (a) Hot alkaline KMnO4 (b) Sodium metal (c) Cold dilute HNO3 (d) LiAlH4

Last Answer : Hot alkaline KMnO4

When talking about the periodic table, what are the trends of precipitates as you move down the column of alkaline earth metals?

Description : When talking about the periodic table, what are the trends of precipitates as you move down the column of alkaline earth metals?

Last Answer : Homework, eh? :)

Alkaline earth metals have low values of electronegativity; which decrease down the group.

Description : Alkaline earth metals have low values of electronegativity; which decrease down the group.

Last Answer : Explain : Alkaline earth metals have low values of electronegativity; which decrease down the group.

What is the most active group of nonmetals noble gases alkaline earth halogens alkali metals?

Description : What is the most active group of nonmetals noble gases alkaline earth halogens alkali metals?

Last Answer : The most active metals are alkali metals.The most active nonmetals are halogens.

Who has the most active group of nonmetals noble gases alkaline earth halogens alkali metals?

Description : Who has the most active group of nonmetals noble gases alkaline earth halogens alkali metals?

Last Answer : Kevin

Why the 2A group elements are called Alkaline earth elements ?

Description : Why the 2A group elements are called Alkaline earth elements ?

Last Answer : The elements occur in earth and the oxides of these metals are basic in nature hence the name alkaline earth metals.

Which is the least abundant Alkaline earth element ?

Description : Which is the least abundant Alkaline earth element ?

Last Answer : Radium

Which is the most Abundant Alkaline earth element ?

Description : Which is the most Abundant Alkaline earth element ?

Last Answer : Calcium

Which group of elements is called alkaline earth metals ?

Description : Which group of elements is called alkaline earth metals ?

Last Answer : 1st A group because the oxides and hydrides are alkaline in nature Among 1A group elements why the element lithium is the most powerful, reducing agent in equivalent state Due to its low sublimation and hydration energy

How does the of Hydration Enthalpy of alkaline earth metals vary & compare it with alkali metals

Description : How does the of Hydration Enthalpy of alkaline earth metals vary & compare it with alkali metals

Last Answer : Ans The hydration enthalpies of alkaline earth metal ions decrease with increase in ionic size down the group. Be2+> Mg2+ > Ca2+ > Sr2+ > Ba2+ The hydration enthalpies of alkaline earth metal ions ... MgCl2 and CaCl2 exist as MgCl2.6H2O and CaCl2· 6H2O while NaCl and KCl do not form such hydrates.

How does the of Ionization Enthalpy of alkaline earth metals vary in comparison to alkali metals

Description : How does the of Ionization Enthalpy of alkaline earth metals vary in comparison to alkali metals

Last Answer : Ans The alkaline earth metals have low ionization enthalpies due to fairly large size of the atoms. Since the atomic size increases down the group, their ionization enthalpy decreases The first ... enthalpies of the alkaline earth metals are smaller than those of the corresponding alkali metals.

How does the atomic and Ionic Radii of alkaline earth metals vary in comparison to alkali metals

Description : How does the atomic and Ionic Radii of alkaline earth metals vary in comparison to alkali metals

Last Answer : Ans The atomic and ionic radii of the alkaline earth metals are smaller than those of the corresponding alkali metals in the same periods. This is due to the increased nuclear charge in these elements. Within the group, the atomic and ionic radii increase with increase in atomic number.

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.

What are the uses of alkaline earth metals ?

Description : What are the uses of alkaline earth metals ?

Last Answer : Beryllium is used in the manufacture of alloys. Copper-beryllium alloys are used in the preparation of high strength springs. Metallic beryllium is used for making windows of X-ray tubes. Magnesium ... vacuum tubes. Radium salts are used in radiotherapy, for example, in the treatment of cancer.

How does the of Hydration Enthalpy of alkaline earth metals vary & compare it with alkali metals

Description : How does the of Hydration Enthalpy of alkaline earth metals vary & compare it with alkali metals  

Last Answer : The hydration enthalpies of alkaline earth metal ions decrease with increase in ionic size down the group. Be2+> Mg2+ > Ca2+ > Sr2+ > Ba2+ The hydration enthalpies of alkaline earth metal ... and CaCl2 exist as MgCl2.6H2O and CaCl2· 6H2O while NaCl and KCl do not form such hydrates.  

How does the of Ionization Enthalpy of alkaline earth metals vary in comparison to alkali metals

Description : How does the of Ionization Enthalpy of alkaline earth metals vary in comparison to alkali metals 

Last Answer : The alkaline earth metals have low ionization enthalpies due to fairly large size of the atoms. Since the atomic size increases down the group, their ionization enthalpy decreases The first ionisation ... of the alkaline earth metals are smaller than those of the corresponding alkali metals.  

How does the atomic and Ionic Radii of alkaline earth metals vary in comparison to alkali metals

Description : How does the atomic and Ionic Radii of alkaline earth metals vary in comparison to alkali metals 

Last Answer : The atomic and ionic radii of the alkaline earth metals are smaller than those of the corresponding alkali metals in the same periods. This is due to the increased nuclear charge in these elements. Within the group, the atomic and ionic radii increase with increase in atomic number.

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. 

Why II group elements are called alkaline earth metals ?

Description : Why II group elements are called alkaline earth metals ? 

Last Answer :  These are called so because their oxides and hydroxides are alkaline in nature and these metal oxides are found in the earth’s crust.  

what All substances have characteristic properties. If one of these properties can be observed without changing the identity of the substance, it must be A. universal property. B. physical property. C. biological property. D. chemical property.?

Description : what All substances have characteristic properties. If one of these properties can be observed without changing the identity of the substance, it must be A. universal property. B. physical property. C. biological property. D. chemical property.?

Last Answer : B: Physical Property

What is characteristic property of the noble gases?

Description : What is characteristic property of the noble gases?

Last Answer : it donot chemically react with any otherelement,compounds,chemicals easily

What is characteristic property of the noble gases?

Description : What is characteristic property of the noble gases?

Last Answer : it donot chemically react with any otherelement,compounds,chemicals easily

Which one of the following is the most characteristic property of an element? (a) Density (b) Boiling point (c) Mass number (d) Atomic number

Description : Which one of the following is the most characteristic property of an element? (a) Density (b) Boiling point (c) Mass number (d) Atomic number

Last Answer : Ans:(d)

Aniline point is the (A) Characteristic property of diesel & lubricating oils (B) Measure of aromatic content of oil (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Aniline point is the (A) Characteristic property of diesel & lubricating oils (B) Measure of aromatic content of oil (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B

Any characteristic of a thermodynamics system is called a _____.  A. Property  B. Process  C. Phase  D. Cycle

Description : Any characteristic of a thermodynamics system is called a _____.  A. Property  B. Process  C. Phase  D. Cycle

Last Answer : Property

Private ownership of property and resources is a characteristic of _____________ economy. a) socialist b) command c) market d) traditional

Description : Private ownership of property and resources is a characteristic of _____________ economy. a) socialist b) command c) market d) traditional

Last Answer : c) market

which one of the following is a characteristic of a metal -General Knowledge

Description : which one of the following is a characteristic of a metal -General Knowledge

Last Answer : Conducts heat readily, is a characteristic of a metal.

Once every year a farmer walks about on his farm property, picks out his favorite tree, and chops it down with an axe. He then drags the tree home and puts it in a metal bowl. The farmer then spends time lovingly caring for the tree by watering it every day and providing it with the best plant food money can buy to keep it as healthy as possible. Two weeks later he throws the tree outside, sets it on fire, and burns it to a crisp. How can you explain this apparent drastic change in the farmer's mood toward this tree? -Riddles

Description : Once every year a farmer walks about on his farm property, picks out his favorite tree, and chops it down with an axe. He then drags the tree home and puts it in a metal bowl. The farmer ... a crisp. How can you explain this apparent drastic change in the farmer's mood toward this tree? -Riddles

Last Answer : The man owns a Christmas tree farm where he grows thousands of Christmas trees for sale to the public. He is simply performing his annual Christmas ritual of selecting a tree, placing it in a tree stand, keeping it healthy for two weeks, and then disposing of it.

One of the following metals froms a volatile corbony1 compound and this property is taken advantage of its extraction. This metal is

Description : One of the following metals froms a volatile corbony1 compound and this property is taken advantage of its extraction. This metal is

Last Answer : One of the following metals froms a volatile corbony1 compound and this property is taken advantage of its ... . Nickel B. Iron C. Cobalt D. Vanadium

What is not and important property of a metal?

Description : What is not and important property of a metal?

Last Answer : For example color.

Consider the following statements: 1. Mercury metal exists as a liquid at room temperature. 2. The property of metals by which they can be beaten into thin sheets is called malleability 3. Neutral fats such as butter and vegetable oils are mostly triglycerides. 4. The size of an atom is of the order of 10 - 15 m. The correct statements are: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Description : Consider the following statements: 1. Mercury metal exists as a liquid at room temperature. 2. The property of metals by which they can be beaten into thin sheets is called malleability 3. Neutral fats such as butter and vegetable oils ... b) 1, 3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Last Answer : Ans:(d)

A member which is subjected to reversible tensile or compressive stress may fail at a stress lower than the ultimate stress of the material. This property of metal, is called (A) Plasticity of the metal (B) Elasticity of the metal (C) Fatigue of the metal (D) Workability of the metal

Description : A member which is subjected to reversible tensile or compressive stress may fail at a stress lower  than the ultimate stress of the material. This property of metal, is called  (A) Plasticity of the ... ) Elasticity of the metal  (C) Fatigue of the metal  (D) Workability of the metal

Last Answer : (C) Fatigue of the metal

The swift cup test evaluates the following property of a sheet metal. (A) Stretchability (B) Drawability (C) Bendability (D) None of these

Description : The swift cup test evaluates the following property of a sheet metal. (A) Stretchability (B) Drawability (C) Bendability (D) None of these

Last Answer : (B) Drawability

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore? (A) High fusibility & fluidity (B) High thermal conductivity (C) Low density (D) High chemical activity

Description : Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore? (A) High fusibility & fluidity (B) High thermal conductivity (C) Low density (D) High chemical activity

Last Answer : B) High thermal conductivity

Which of the following is not property of sodium metal? a) lustre b)hard c)low melting point d)solid at room temperature.

Description : Which of the following is not property of sodium metal? a) lustre b)hard c)low melting point d)solid at room temperature.

Last Answer : c)low melting point

The property due to which a metal can be hammered into thin sheets without breaking is _______. a) malleability b)ductility c)tensile strength d)conductivity

Description : The property due to which a metal can be hammered into thin sheets without breaking is _______. a) malleability b)ductility c)tensile strength d)conductivity

Last Answer : a) malleability

The property due to which the resistance of some metal or compound vanishes under certain conditions is (A) Semi conductivity. (B) Super conductivity. (C) Curie point. (D) Magnetostriction.

Description : The property due to which the resistance of some metal or compound vanishes under certain conditions is (A) Semi conductivity. (B) Super conductivity. (C) Curie point. (D) Magnetostriction.

Last Answer : (B) Super conductivity.

What property of a metal describes the onset of plastic deformation in a tensile test? w) tensile strength x) elongation y) yield strength z) reduction in area

Description : What property of a metal describes the onset of plastic deformation in a tensile test? w) tensile strength x) elongation y) yield strength z) reduction in area

Last Answer : ANSWER: Y -- YIELD STRENGTH