3.2 Atomic Structure

Question 1

What is the charge of a proton?

Answer 1

+1

Question 2

What is the charge of a neutron?

Answer 2

0

Question 3

What is the charge of a electron?

Answer 3

-1

Question 4

What is the relative mass of a proton?

Answer 4

1

Question 5

What is the relative mass of a neutron?

Answer 5

1

Question 6

What is the relative mass of a electron?

Answer 6

1/1836

Question 7

What’s the equation to find the relative atomic mass?

Answer 7

RAM = (mass x abundance) + (mass x abundance) / total abundance

Question 8

What’s the electron configuration of Boron?

Answer 8

2,3

Question 9

What’s the electron configuration of Aluminium?

Answer 9

2,8,3

Question 10

What’s the electron configuration of Chlorine?

Answer 10

2,8,7

Question 11

What is an isotope?

Answer 11

Atoms with the same amount of protons but a different number of neutrons.

Question 12

What is most of an atom made up of?

Answer 12

empty space

Question 13

What does the atomic number tell us about an atom?

Answer 13

Number of protons and electrons

Question 14

What does the Mass number tell us about an atom?

Answer 14

Number of neutrons and protons

Question 15

An element is in period 2 group 5 what can this tell us about the electronic configuration?

Answer 15

2 Shells
5 outer electrons

Question 16

If an element is in period 2 what does this tell us in terms of electron configuration?

Answer 16

Amount of shells in this case 2