Chemistry- Reacting masses and chemical equations

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  • Created by: Kitsune
  • Created on: 30-06-16 08:52
What is valency?
The umber of electrons an atom of an element loses, gains or shares
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How are reactants sometimes called?
Reagents
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What are the state symbols?
s for solid, l for liquid, g for gas, aq for solution in water
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What is the relative atomic mass?
The average mass of its naturally occurring isotopes relative to the mass of carbon-12
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What mass is an ion of the element?
Same as the atom because the electrons are super light
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How to find molecular mass?
It is the sum of the relative atomic masses
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What happens to the total mass during a reaction?
It stays the same
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How to calculate purity?
Mass of pore substance divided by total mass
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Other cards in this set

Card 2

Front

How are reactants sometimes called?

Back

Reagents

Card 3

Front

What are the state symbols?

Back

Preview of the front of card 3

Card 4

Front

What is the relative atomic mass?

Back

Preview of the front of card 4

Card 5

Front

What mass is an ion of the element?

Back

Preview of the front of card 5
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