Both group 1 and (ii) elements results by losing electrons.
- Alkaline earth metals have move protons hence attract their electrons more than the alkali metals and therefore cannot donate them readily.
john3 answered the question on November 3, 2017 at 07:13
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How does the use of manganese (IV) oxide in the laboratory preparation of chlorine gas differ from its use on the laboratory preparation of oxygen...
(Solved)
How does the use of manganese (IV) oxide in the laboratory preparation of chlorine gas differ from its use on the laboratory preparation of oxygen gas?
Date posted:
November 3, 2017
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Answers (1)
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(Solved)
What is meant by molar heat of formation?
Date posted:
November 3, 2017
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Answers (1)
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Describe how a pure sample of copper turnings can be obtained from mixture of copper turnings and zinc carbonate
(Solved)
Describe how a pure sample of copper turnings can be obtained from mixture of copper turnings and zinc carbonate
Date posted:
November 3, 2017
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Answers (1)
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Name the process that takes place when:(i) Fats or oils are hydrolyzed using an alkali. (ii) Sulphur is added to rubber in the manufacture of...
(Solved)
Name the process that takes place when:
(i) Fats or oils are hydrolyzed using an alkali
(ii) Sulphur is added to rubber in the manufacture of rubber tyres
Date posted:
November 3, 2017
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Answers (1)
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Give one physical test for water
Date posted:
October 30, 2017
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A form two topical question (Atoms,Chemical reactions and formula)
Date posted:
October 26, 2017
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(Solved)
Differentiate between electron affinity and ionization energy
Date posted:
October 26, 2017
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What are the processes involved in cooling of a substance from gaseous state to solid state?
(Solved)
What are the processes involved in cooling of a substance from gaseous state to solid state?
Date posted:
October 26, 2017
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Answers (1)
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Highlight the main components of the following ions; (a)Ammonium ion (b)Hydronium ion.
(Solved)
Highlight the main components of the following ions; (a)Ammonium ion (b)Hydronium ion.
Date posted:
October 26, 2017
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Answers (1)
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Why is it always advisable to scoop chemicals substance using a clean spatula?
(Solved)
Why is it always advisable to scoop chemicals substance using a clean spatula?
Date posted:
October 25, 2017
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Answers (1)
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Explain why molten calcium chloride and magnesium chloride conduct electricity while carbon tetrachloride and silicon tetrachloride do not
(Solved)
Explain why molten calcium chloride and magnesium chloride conduct electricity while carbon tetrachloride and silicon tetrachloride do not
Date posted:
October 25, 2017
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Answers (1)
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(Solved)
What is organic chemistry?
Date posted:
October 24, 2017
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What is a chemical formula?
Date posted:
October 21, 2017
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(Solved)
Define allotropy.
Date posted:
October 19, 2017
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(Solved)
What are hygroscopic salts?
Date posted:
October 19, 2017
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State four uses of salts.
(Solved)
State four uses of salts.
Date posted:
October 19, 2017
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(Solved)
State three uses of alkaline earth metals
Date posted:
October 19, 2017
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Answers (1)
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State two physical properties of alkaline earth metals
(Solved)
State two physical properties of alkaline earth metals
Date posted:
October 19, 2017
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Answers (1)
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State and explain the trends in atomic sizes down the alkaline earth metals.
(Solved)
State and explain the trends in atomic sizes down the alkaline earth metals.
Date posted:
October 19, 2017
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Answers (1)
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State three uses of alkali metals and their compounds.
(Solved)
State three uses of alkali metals and their compounds.
Date posted:
October 19, 2017
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Answers (1)