Chemistry EOY

Question 1

What is the relative charge of a neutron?

Answer 1

0

Question 2

What is the relative charge of an electron?

Answer 2

-1

Question 3

What is the relative charge of a proton?

Answer 3

+1

Question 4

What is the relative mass of a neutron?

Answer 4

1

Question 5

What is the relative mass of an electron?

Answer 5

Negligible

Question 6

What is the relative mass of a proton?

Answer 6

1

Question 7

What is the mass number?

Answer 7

The sum of all of the protons and neutrons in an element

Question 8

What is the atomic number?

Answer 8

The number of protons in an element

Question 9

What are isotopes?

Answer 9

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

Question 10

What is group 1 called?

Answer 10

Alkali metals

Question 11

What is group 7 called?

Answer 11

Halogens

Question 12

What is group 8 (0) called?

Answer 12

Noble gases

Question 13

What group would an element with the electronic structure 2,6,8 be in?

Answer 13

0

Question 14

What group would an element with the electronic structure 2,6,3,2 be in?

Answer 14

2

Question 15

What group would an element with the electronic structure 2,6 be in?

Answer 15

6

Question 16

Why is group 8 unreactive?

Answer 16

Stable electron structure