Chemistry C2 Revision Quiz 1 (AQA)

Questions on the first half of the syllabus for AQA Additional Chemistry exam.

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  • Created by: Karmel
  • Created on: 06-01-10 17:00
How are atoms ordered in the periodic table?
By their atomic number
1 of 20
Protons and neutrons have a relative mass of 1. What is the relative mass of an electron?
Very small
2 of 20
How are the electrons in an atom arranged?
In energy levels
3 of 20
Atoms with the same number of energy levels belong in the same.... of the periodic table.
Period
4 of 20
Elements that can form ionic compounds are in groups...
1, 2, 6 and 7
5 of 20
Covalent bonds are formed when....
Atoms share electrons
6 of 20
The atoms in metals are arranged...
In regular layers
7 of 20
The positive ions in metals are hed together by...
delocalised electrons
8 of 20
Ionic compounds conduct electricity...
When melted or dissolved in water
9 of 20
Simple molecules...
have no overall charge.
10 of 20
Delocalised electrons in metas allow them to...
conduct heat and electricity well.
11 of 20
The mass number tells you the total number of...
protons and neutrons in the atom.
12 of 20
Isotopes are atoms of the same element with different numbers of...
neutrons.
13 of 20
We compare the masses of atoms by measuring them relative to atoms of...
carbon-12.
14 of 20
One mole of any substance always contains...
the same number of particles.
15 of 20
What can tell us the number of moles of substances in the chemical reaction?
Chemical equations
16 of 20
The... yield of a chemical reaction tells us how much product is made compared with the maximum amount that could be made.
Percentage
17 of 20
The yield of a chemical reaction describes how much...
product is made.
18 of 20
It is important to maximise atom economy to...
conserve resources and reduce pollution.
19 of 20
In a closed system the rate of the forward and backward reactions are equal at...
equilibrium.
20 of 20

Other cards in this set

Card 2

Front

Protons and neutrons have a relative mass of 1. What is the relative mass of an electron?

Back

Very small

Card 3

Front

How are the electrons in an atom arranged?

Back

Preview of the front of card 3

Card 4

Front

Atoms with the same number of energy levels belong in the same.... of the periodic table.

Back

Preview of the front of card 4

Card 5

Front

Elements that can form ionic compounds are in groups...

Back

Preview of the front of card 5
View more cards

Comments

Fatima

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so useful and it gives a really wide range of questions- thank you so much!

Tyler Hervey

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these need to be more challenging!!!

Spuderino

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There are several spelling mistakes

Spuderino

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There are several spelling mistakes

[email protected]

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My results don't show up :(

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