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The valency of sodium is one, write the molecular formula for sodium oxide ?
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The valency of sodium is one, write the molecular formula for sodium sulphate ?
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The valency of sodium is one, write the molecular formula for sodium carbonate ?
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The valency of sodium is one, write the molecular formula for sodium hydroxide ?
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The valency of sodium is one, write the molecular formula for sodium nitratev ?
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Fill in the blank:
Atoms are _____
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An ion with positive charge is called ______
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An ion with negative charge is called _______
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_______ is a triatomic molecule.
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State the term
The symbolic representation of a molecule ______
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State the term
A group of atoms that react as a single unit ______.
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State the term
The combining capacity of an element _______
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Define: Chemical bond
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Define: Mass number
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Define: Relative atomic mass
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What does an atom consist of ? Explain.
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Give the charge and the mass of an electron, proton and neutron present in an atom ?
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Name two particles found inside the nucleus. What are they collectively called ?
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Name the particles which revolve around the nucleus.
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