6.1-6.9-Atomic Structure

Question 1

What is the size of an atom?

Answer 1

0.1 Nanometres

Question 2

What are isotopes?

Answer 2

Isotopes are atoms of the same element with different masses

Question 3

What subatomic particle may change for an element to be an isotope?

Answer 3

Neutrons

Question 4

Whats the relative mass of a proton?

Answer 4

1

Question 5

Whats the relative mass of neutron?

Answer 5

1

Question 6

Whats the relative mass of an electron?

Answer 6

0.0005

Question 7

Whats the relative mass of Positron?

Answer 7

0.0005

Question 8

What’s the relative charge of a proton?

Answer 8

+1

Question 9

What’s the relative charge of a neutron?

Answer 9

0

Question 10

What’s the relative charge of an electron

Answer 10

-1

Question 11

What’s the relative charge of a positron?

Answer 11

+1

Question 12

What type of charge does the nucleus of each element have?

Answer 12

Positive

Question 13

What does the number of protons in a nucleus equal?

Answer 13

Number of electrons

Question 14

What happens to the electrons orbit when there is an absorption or emission of electromagnetic radiation?

Answer 14

.Electrons change orbit

Question 15

How will atoms form positive ions?

Answer 15

.By losing outer electrons