-atomic fundamentals (3.1)

Question 1

What is the mass number?

Answer 1

protons and neutrons

Question 2

What is the atomic number?

Answer 2

protons

Question 3

What are the three subatomic particles?

Answer 3

• proton
• neutron
• electron

Question 4

What does the atom contain?

Answer 4

A nucleus which contains protons and neutrons and also has fixed shells of electrons which orbit it

Question 5

What is the relative mass and charge of a proton?

Answer 5

charge= +1 and mass= 1

Question 6

What is the relative mass and charge of a neutron?

Answer 6

charge= 0 and mass= 1

Question 7

What is the relative mass and charge of a electron?

Answer 7

charge= -1 and mass= 1/1840

Question 8

What is an isotope, explain further?

Answer 8

-Element with the same number of protons and different number of neutrons which means they usually have the same atomic number but different mass number hence also different properties

Question 9

All atoms of the same element have the same number of what?

Answer 9

protons

Question 10

All atoms of the same element have the same number of what?

Answer 10

protons