Module 2

Question 1

Proton
Location:
Charge:
Mass:

Answer 1

Located in the nucleus:
+1 charge
1 mass

Question 2

Neutron
Location:
Charge:
Mass:

Answer 2

Located in the nucleus
0 charge
1 mass

Question 3

Electron
Location:
Charge:
Mass

Answer 3

Located outside the nucleus
-1 charge
Almost 0 mass

Question 4

Atomic number =

Answer 4

Number of protons

Question 5

Number of protons =

Answer 5

Number of electrons

Question 6

Mass number =

Answer 6

Number of protons and neutrons

Question 7

Number of neutrons =

Answer 7

Mass number - atomic number

Question 8

What’s an isotope

Answer 8

An isotope is an atom with the same protons but different neutrons

Question 9

What is in a nuclide notation

Answer 9

Atomic number
Mass number
Symbol

Question 10

What is at the top of a nuclide notation

Answer 10

Mass number

Question 11

What is at the bottom of a nuclide notation

Answer 11

Atomic number

Question 12

What is in the middle of a nuclide notation

Answer 12

Symbol

Question 13

How many electrons are allowed to be in the lines

Answer 13

First: 2
Rest: 8

Question 14

How can you tell if a substance is ionic

Answer 14

It can be metal or non-metal
High mpt
Conducts electricity
Soluble in water

Question 15

How can you tell if a substance is covalent

Answer 15

Only non-metal
Low mpt
Does nto usually dissolve
Doesn’t conduct electricity

Question 16

What group has a full outer energy level making them stable

Answer 16

Noble gases

Question 17

How do other atoms get a stable electron arrangement

Answer 17

They must join to form a compound

Question 18

Molecule

Answer 18

Two or more non-metals form a covalent compound

Question 19

A covalent bond

Answer 19

The attraction of the positive nuclei for a shared pair of element

Question 20

Monatomic

Answer 20

Type of bonding in noble gases

Question 21

A diatonic element

Answer 21

2 atom bonded together through covalent bonding