Chemistry

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All substances are made up off _____
Atoms
1 of 29
There are ___ different elements in the periodic table
100
2 of 29
In the periodic table different groups represent different ________
properties
3 of 29
The centre of an atom is called a _______
nucleus
4 of 29
A nucleus is made up of neutrons and _______
protons
5 of 29
Protons have a ________ charge
positive
6 of 29
Electrons have a ________ charge
negative
7 of 29
The number of electrons is equal to the number of _______
protons
8 of 29
The number of electrons is equal to the number of _______
protons
9 of 29
The number of protons in the nucleus is the _______ number
atomic
10 of 29
The number of electrons is equal to the number of _______
protons
11 of 29
The number of protons in the nucleus is the _______ number
atomic
12 of 29
The sum of the nuetrons and protons is the _____ number
mass
13 of 29
An electron in the outer shell is ____ reactive than one in the inner shell
more
14 of 29
The number of electrons is equal to the number of _______
protons
15 of 29
The number of protons in the nucleus is the _______ number
atomic
16 of 29
The sum of the nuetrons and protons is the _____ number
mass
17 of 29
An electron in the outer shell has a _______ energy leve than one in the inner shell
more
18 of 29
The number of electrons is equal to the number of _______
protons
19 of 29
The number of protons in the nucleus is the _______ number
atomic
20 of 29
The sum of the nuetrons and protons is the _____ number
mass
21 of 29
An electron in the outer shell has a _______ energy level than one in the inner shell
higher
22 of 29
Elements in the group 0 are also known as _____ gases
noble
23 of 29
The number of electrons is equal to the number of _______
protons
24 of 29
The number of protons in the nucleus is the _______ number
atomic
25 of 29
The sum of the nuetrons and protons is the _____ number
mass
26 of 29
An electron in the outer shell has a _______ energy level than one in the inner shell
higher
27 of 29
Elements in the group 0 are also known as _____ gases
noble
28 of 29
Noble gases are very nonreactive because they have _____ arrangments
stable
29 of 29

Other cards in this set

Card 2

Front

There are ___ different elements in the periodic table

Back

100

Card 3

Front

In the periodic table different groups represent different ________

Back

Preview of the front of card 3

Card 4

Front

The centre of an atom is called a _______

Back

Preview of the front of card 4

Card 5

Front

A nucleus is made up of neutrons and _______

Back

Preview of the front of card 5
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