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revision questions for AQA C2- periodic table
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1
which scientist developed the early periodic table?
Dmitri Mendeleev
JJ Thomson
Niels Bohr
2
How are the elements of a periodic table arranged in the modern periodic table?
in order of increasing atomic mass
in order of increasing atomic number
in order of decreasing atomic mass
3
Bromine displaces Iodine from solution because...
Bromine is more reactive than iodine
iodine has more electrons than bromine
Iodine is more reactive than bromine
bromine is a smaller atom
4
As you go down group 7, what happens to the reactivity of the elements
it decreases
there is no pattern to the changes
it remains the same
it increases
5
which is the odd one out?
Lithium
Sodium
Potassium
Calcium
6
An atom of an element has the electronic structure 2,8,7. Which group of the periodic table is it in?
7
8
2
7
as you go across a period of the table, what do the elements have the same number of?
number of electron shells
electrons in the outermost energy shell
number of electrons
number of neutrons in the nucleus
8
Which of the following is NOT a property of group 1 metals?
low melting point
very hard
low density
shiny when cut
9
The reactivity of group 1 elements increase down the group. This is because...
it becomes harder to gain an electron
It becomes easier to lose an electron
it becomes harder to lose an electron
it becomes easier to gain an electron
10
going down group 1, what is the trend of reactivity for the elements?
it decreases
there is no pattern to the changes
it remains the same
it increases
11
Iodine is...
a dark grey crystalline solid
a dark orange-brown solid
a pale yellow gas
a dense green gas
12
What is the gas given off when group 1 elements react with water?
carbon dioxide gas
water vapour
hydrogen gas
chlorine gas
13
Group 1 elements are also known as...
Alkali Metals
Earth Metals
Halogens
Noble gases
14
Halogens exist as molecules made up of pairs of atoms, joined together by covalent bonds. These molecules are known as..
diatomic
joined
biatomic
double
15
what is the electronic structure of an atom of the element whose atomic number is 13
8,2,3
2,8,3
3,2,8
16
Which of the following is NOT a property of transition metals?
Good Thermal Conductor
Low boiling point
Malleable
Hard
17
Which is the odd one out?
gold
Manganese
iron
Sodium
18
which of these properties does a typical non-metal element have?
it is a poor conductor of electricity
it has a high density
it is a good conductor of heat
