Chemistry quiz

definitions :)

  • Created by: Ayesha
  • Created on: 24-05-11 17:51
What is an atom
Smallest particle of an element
1 of 13
What is a molecule?
2 or more atoms chemically bonded together
2 of 13
What is an element?
A substance that contains all the same atoms
3 of 13
What is a compound?
2 or more atoms chemically bonded together
4 of 13
What is a mixture?
2 or more compounds / elements mixed together
5 of 13
What is the mass of a proton?
1
6 of 13
What is the mass of an electron
0 (or neglible)
7 of 13
The mass number is....
the number of protons and neutrons
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Acid + metal -->
salt + hydrogen
9 of 13
Acid + base -->
salt + water
10 of 13
Acid + alkali -->
salt + water
11 of 13
What are concordant results?
2 results within 0.10 cm3
12 of 13
What percentage of air is oxygen?
21%
13 of 13

Other cards in this set

Card 2

Front

What is a molecule?

Back

2 or more atoms chemically bonded together

Card 3

Front

What is an element?

Back

Preview of the front of card 3

Card 4

Front

What is a compound?

Back

Preview of the front of card 4

Card 5

Front

What is a mixture?

Back

Preview of the front of card 5
View more cards

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