Chemistry keywords - Additional Science

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  • Created by: Nattely
  • Created on: 19-04-14 09:08
Actual Yield
The actual amount of product obtained from a chemical reaction. This is also known as the yield of the reaction.
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Alkali metal
An element in group 1 of the periodic table.
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Anion
Negatively charged ion.
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Aqueous solution
Mixture formed when a substance is dissolved in water.
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Atom
The smallest neutral part of an element that can take part in chemical reactions.
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Atomic number
The number of protons in the nucleus of an atom. Also known as the proton number.
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Balanced equation
Description of a reaction using the symbols, so that the number of 'units' of each element to the left of the arrow is the same as those to the right.
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Barium meal
A drink containing barium sulfate. It is swallowed so that the parts of the digestive system show up on X-ray photographs.
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Becquerel (Bq)
The units for the activity of a radioactive object. One Becquerel is one radioactive decay per second.
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Card 2

Front

An element in group 1 of the periodic table.

Back

Alkali metal

Card 3

Front

Negatively charged ion.

Back

Preview of the back of card 3

Card 4

Front

Mixture formed when a substance is dissolved in water.

Back

Preview of the back of card 4

Card 5

Front

The smallest neutral part of an element that can take part in chemical reactions.

Back

Preview of the back of card 5
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