2.2 Modern Understanding Of The Atom (GCSE Chemistry)

The following is a GCSE Chemistry test covering '2.2 Modern Understanding Of The Atom'

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Question 1

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An atom of lithium has 3 protons. How many electrons does a neutral lithium atom have?

What subatomic particle revolves outside the nucleus?

The electron carries a charge of:

What subatomic particle has a positive charge?

A positively charged ion is known as:

What particle has almost no mass compared to protons and neutrons?

Nuclei are held together by:

What happens if an atom loses electrons?

When electrons gain energy they can:

What is the approximate diameter of an atom?

What particle causes an atom to become negatively charged?

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