These are groups of atoms with a net charge that exist and react as a unit during a chemical reaction.
chrispohmomanyi answered the question on October 19, 2017 at 04:39
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Define Relative atomic mass
(Solved)
Define Relative atomic mass
Date posted:
October 19, 2017
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Answers (1)
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Differentiate between the atomic number and the the mass number
(Solved)
Differentiate between the atomic number and the the mass number
Date posted:
October 19, 2017
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Answers (1)
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Define an atom
(Solved)
Define an atom
Date posted:
October 19, 2017
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Answers (1)
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What is thermal cracking?
(Solved)
What is thermal cracking?
Date posted:
October 18, 2017
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Answers (1)
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Using a detailed explanation, give a reason as to why brass is not in the periodic table
(Solved)
Using a detailed explanation, give a reason as to why brass is not in the periodic table
Date posted:
October 18, 2017
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Answers (1)
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Give the uses of water as a reagent in the laboratory.
(Solved)
Give the uses of water as a reagent in the laboratory.
Date posted:
October 16, 2017
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Answers (1)
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State two factors that may alter the ionization energy of elements.
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State two factors that may alter the ionization energy of elements.
Date posted:
October 14, 2017
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Answers (1)
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Define the term isotope
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Define the term isotope
Date posted:
October 14, 2017
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Answers (1)
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What is a flame?
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What is a flame?
Date posted:
October 13, 2017
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What do you understand by the term half-life of a radioisotope
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What do you understand by the term half-life of a radioisotope
Date posted:
October 12, 2017
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Answers (1)
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State two observations made when sodium carbonate crystals are dropped into a beaker containing dilute hydrochloric acid.
(Solved)
State two observations made when sodium carbonate crystals are dropped into a beaker containing dilute hydrochloric acid.
Date posted:
October 11, 2017
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Answers (1)
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Give a reason why bakers must use baking powder when making cakes and doughnuts
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Give a reason why bakers must use baking powder when making cakes and doughnuts
Date posted:
October 11, 2017
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Answers (1)
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State the products formed when a dillute acid reacts with a carbonate
(Solved)
State the products formed when a dillute acid reacts with a carbonate
Date posted:
October 11, 2017
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Answers (1)
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Write a well balanced chemical equation to show the reaction between Magnesium and dilute Sulphuric acid
(Solved)
Write a well balanced chemical equation to show the reaction between Magnesium and dilute Sulphuric acid
Date posted:
October 11, 2017
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Answers (1)
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Give two tests for acidic substances
(Solved)
Give two tests for acidic substances
Date posted:
October 11, 2017
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Answers (1)
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Give the colour observed when a litmus paper is dropped into the solutions of the following (i)Distilled water (ii)sour milk (iii)Lemon juice
(Solved)
Give the colour observed when a litmus paper is dropped into the solutions of the following
i)Distilled water
ii)sour milk
iii)Lemon juice
Date posted:
October 11, 2017
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Answers (1)
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Distinguish between an acid and a base
(Solved)
Distinguish between an acid and a base
Date posted:
October 11, 2017
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Answers (1)
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Give two application of bases in the society
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Give two application of bases in the society
Date posted:
October 11, 2017
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Answers (1)
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A solution of hydrogen chloride gas can conduct an electric current, while that hydrogen chloride in methylbenzene does not conduct . Explain
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A solution of hydrogen chloride gas can conduct an electric current, while that hydrogen chloride in methylbenzene does not conduct. Explain
Date posted:
October 8, 2017
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Answers (1)
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Describe the non-luminous flame of Bunsen burner and give a reason why it is preferred when heating substances in laboratory
(Solved)
Describe the non-luminous flame of Bunsen burner and give a reason why it is preferred when heating substances in laboratory
Date posted:
October 8, 2017
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Answers (1)