chemistry

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What is the first element on the periodic table?
Hydrogen
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What is the centre of an atom called?
A nucleus
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True or false? Acids have a pH level below 7
True
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What is the main gas found in the air we breathe?
Nitrogen (around 78%)
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True or false? An electron carries a positive charge
False
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What is the chemical symbol for gold
Au
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K is the chemical symbol for which element?
Potassium
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What orbits the nucleus of an atom?
Electrons
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At room temperature, what is the only metal that is in liquid form?
Mercury
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True or false? A neutron has no net electric charge
True
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A nuclear reaction where the nucleus of an atom splits into smaller parts is known as nuclear fission or nuclear fusion?
Nuclear fission
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Card 2

Front

What is the centre of an atom called?

Back

A nucleus

Card 3

Front

True or false? Acids have a pH level below 7

Back

Preview of the front of card 3

Card 4

Front

What is the main gas found in the air we breathe?

Back

Preview of the front of card 4

Card 5

Front

True or false? An electron carries a positive charge

Back

Preview of the front of card 5
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