Chemistry Topic 1 Flashcards
1
Q
If an atom gains an electron what happens
A
Gains a negative charge.Atom become a negative ion
2
Q
If an atom loses an electron.What happens.
A
Becomes A postive ion
3
Q
What is an ion
A
A charged atom
4
Q
What are isotopes
A
Atoms of the same element with different number of neutrons
5
Q
What charge does a proton have
A
Postive
6
Q
What charge does a neutron have
A
It is neutral
7
Q
What charge does a electron have
A
Has a negative charge
8
Q
What is the mass number
A
the amount of protons + amount of neutrons
9
Q
What is the atomic number
A
The amount of protons which is also the amount of electrons
10
Q
What are atoms made up of
A
Protons neutrons and electrons
11
Q
Atoms contain an equal amount of
A
Protons and neutrons.So carry no charge
