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This is the number of electrons that an atom losses or gains in a chemical reaction.
chrispohmomanyi answered the question on October 19, 2017 at 04:52
- Define the following terms. (1) Cations (2) Anions (Solved)
Define the following terms.
1. Cations
2. Anions
Date posted: October 19, 2017. Answers (1)
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Atoms are said to be electrically neutral, explain.
Date posted: October 19, 2017. Answers (1)
- State three subatomic particles.(Solved)
State three subatomic particles.
Date posted: October 19, 2017. Answers (1)
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What are radicals?
Date posted: October 19, 2017. Answers (1)
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Define Relative atomic mass
Date posted: October 19, 2017. Answers (1)
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Differentiate between the atomic number and the the mass number
Date posted: October 19, 2017. Answers (1)
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Define an atom
Date posted: October 19, 2017. Answers (1)
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What is thermal cracking?
Date posted: October 18, 2017. Answers (1)
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Using a detailed explanation, give a reason as to why brass is not in the periodic table
Date posted: October 18, 2017. Answers (1)
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Give the uses of water as a reagent in the laboratory.
Date posted: October 16, 2017. Answers (1)
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State two factors that may alter the ionization energy of elements.
Date posted: October 14, 2017. Answers (1)
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Define the term isotope
Date posted: October 14, 2017. Answers (1)
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What is a flame?
Date posted: October 13, 2017. Answers (1)
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What do you understand by the term half-life of a radioisotope
Date posted: October 12, 2017. Answers (1)
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State two observations made when sodium carbonate crystals are dropped into a beaker containing dilute hydrochloric acid.
Date posted: October 11, 2017. Answers (1)
- Give a reason why bakers must use baking powder when making cakes and doughnuts(Solved)
Give a reason why bakers must use baking powder when making cakes and doughnuts
Date posted: October 11, 2017. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- Give two tests for acidic substances(Solved)
Give two tests for acidic substances
Date posted: October 11, 2017. Answers (1)
- 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. Answers (1)