Atomic Structure Flashcards
1
Q
Where is the nucleus:
A
The centre of the atom
2
Q
What is the nucleus made of:
A
Protons and neutrons
3
Q
What orbits the nucleus:
A
Electrons
4
Q
What is an isotope:
A
An atom of the same element with a different number of neutrons
5
Q
What charge do electrons have:
A
Negative
6
Q
What charge do protons have:
A
Positive
7
Q
What charge do neutrons have:
A
Neutral/no
8
Q
What is the mass of a proton:
A
1
9
Q
What is the mass of a neutron:
A
1
10
Q
What is the mass of an electron:
A
0/<1
11
Q
How many electrons are in the first shell:
A
2
12
Q
How many electrons are in the second shell:
A
8
13
Q
How many electrons are in the third shell:
A
8
14
Q
How many electrons are in the fourth shell:
A
18
15
Q
Define atom:
A
The smallest part of an element that behaves like the element
