Chapter 2

Question 1

What are isotopes?

Answer 1

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

Question 2

What is an atom made of?

Answer 2

Protons
Neutrons
Electrons

Question 3

What is the relative charge of a proton?

Answer 3

+1

Question 4

What is the relative mass of a proton?

Answer 4

1

Question 5

What is the relative charge of an electron?

Answer 5

-1

Question 6

What is the relative mass of an electron?

Answer 6

1/1836

Question 7

What is the relative charge of a neutron?

Answer 7

0

Question 8

What is the relative mass of a neutron?

Answer 8

1

Question 9

What are positive ions called?

Answer 9

Cations

Question 10

What are negative ions called?

Answer 10

Anions

Question 11

What is the relative isotopic mass?

Answer 11

The mass of an isotope relative to 1/12th of the mass of an atom of carbon-12

Question 12

What is the relative atomic mass?

Answer 12

The weighted mean mass of an atom of an element to one twelfth of the mass of an atom of carbon 12

Question 13

What is a mass spectrometer ?

Answer 13

Machine used to find the percentage abundance of the isotopes in a sample of an element