Atoms

Question 1

What is an atoms Radius ?

Answer 1

1x 10 - 10

Question 2

What is the nucleus’s Radius

Answer 2

1 x 10 - 14, it has a positive charge because of the protons, whole mass of an atom is the nucleus

Question 3

proton charges and relative mass?

Answer 3

Relative mass: 1
Relative charge: +1

Question 4

Neutron- charges and relative mass?

Answer 4

Relative mass: 1
Relative charge: 0

Question 5

Electron- charges and relative mass ?

Answer 5

Relative mass: very small
Relative charge: -1

Question 6

Neutron- charges and relative mass?

Answer 6

Relative mass: 1
Relative charge: 0

Question 7

Atomic number is the….

Answer 7

Number of protons

Question 8

Mass number formula ?

Answer 8

number of protons + number of neutrons

Question 9

Number of neutrons formula ?

Answer 9

Mass number - atomic number

Question 10

What charge does an atom have ?

Answer 10

They have no overall charge

Question 11

What is the number of electrons?

Answer 11

The atomic number

Question 12

Mass number position ?

Answer 12

Top number

Question 13

Atomic number- position ?

Answer 13

Bottom number

Question 14

Negative ion- formula?

Answer 14

atomic number + charge

Question 15

Positive ion- formula?

Answer 15

atomic number - charge