Chemistry Mid-term Revision

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  • Created by: _nana.a
  • Created on: 19-05-17 17:12
What is the most reactive element that can be used to clean the mouth?
Flourine (F)
1 of 7
Why does chlorine have the atomic mass 35.5?
Chlorine has two isotopes which, when the average is found, adds up to 35.5
2 of 7
Who created the periodic table?
Dimitri Mendeleev
3 of 7
Describe the brownian motion.
Smaller particles bombard against larger particles causing them to move in all directons.
4 of 7
Give two examples of the Brownian Motion.
a) Pollen grains in water b) Smoke paticles in air
5 of 7
What is an acid?
An acid is a proton donor. It donates Hydroxide (OH-) ions when is dissociates in water
6 of 7
Give the formula for sulphuric acid.
H2SO4
7 of 7

Other cards in this set

Card 2

Front

Why does chlorine have the atomic mass 35.5?

Back

Chlorine has two isotopes which, when the average is found, adds up to 35.5

Card 3

Front

Who created the periodic table?

Back

Preview of the front of card 3

Card 4

Front

Describe the brownian motion.

Back

Preview of the front of card 4

Card 5

Front

Give two examples of the Brownian Motion.

Back

Preview of the front of card 5
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