Atomic Structure

Question 1

What are the 3 sub-atomic particles

Answer 1

Electrons
Protons
Neutrons

Question 2

What is the
Relative mass
Relative charge
Where is it found
For a proton

Answer 2

Relative mass
1
Relative charge
+1
Where is it found
Nucleus

Question 3

What is the
Relative mass
Relative charge
Where is it found
For a neutron

Answer 3

Relative mass
1
Relative charge
0
Where it is found
Nucleus

Question 4

What is the
Relative mass
Relative charge
Where is it found
For an electron

Answer 4

Relative mass
1/1840
Relative charge
-1
Where is it found
Shells

Question 5

What is the maximum number of electrons aloud in each shell

Answer 5

1 - 2
2 - 8
3 - 8
4 - 8

Question 6

What is the atomic number

Answer 6

Atomic number is the number of protons in the nucleus of an atom

Question 7

What is the mass number

Answer 7

The mass number is the TOTAL number of protons and neutrons in the nucleus of an atom

Question 8

Why does an atom have no charge

Answer 8

The atom as a whole has no electrical charge because there are the same number of protons and electrons

Question 9

23
Na
11

Answer 9

Mass number = 23
Atomic number = 11

Question 10

What is the number of protons, electrons, and neutrons in Na

Answer 10

P= 11
E= 11
N= 23-11 = 12

Question 11

How many shells are there in Na, and how many electrons are there in each one

Answer 11

There is 3 shells
In the first one = 2
Second one = 8
Thrid one = 1

Question 11

What is the electronic configuration for Na

Answer 11

2,8,1

Question 12

Protons

Answer 12

Found in the nucleus
Charge + 1
Mass 1

Question 13

Electron

Answer 13

Found in shells
Charge -1
Mass 1/1840

Question 14

Neutron

Answer 14

Found in the nucleus
Charge 0
Mass 1