Chemistry: Quiz #1

Question 1

Fill In The Blanks (might require periodic table)
Element Symbol-
Atomic Number- 19
Atomic Mass-
Charge- 1+
Protons-
Electrons-
Neutrons-

Answer 1

Element Symbol- K
Atomic Number- 19
Atomic Mass- 39
Charge- 1+
Protons- 19
Electrons- 18
Neutrons- 20

Question 2

Fill In The Blanks (might require periodic table)
Element Symbol-
Atomic Number- 
Atomic Mass-
Charge- 3-
Protons-
Electrons- 10
Neutrons-

Answer 2

Element Symbol- N
Atomic Number- 7
Atomic Mass- 14
Charge- 3-
Protons- 7
Electrons- 10
Neutrons- 7

Question 3

Fill In The Blanks (might require periodic table)
Element Symbol- Hg
Atomic Number- 
Atomic Mass-
Charge- 0
Protons-
Electrons-
Neutrons-

Answer 3

Element Symbol- Hg
Atomic Number- 80
Atomic Mass- 201
Charge- 0
Protons- 80
Electrons- 80
Neutrons- 121

Question 4

Fill In The Blanks (might require periodic table if you're a piece of shit who can't properly study without one)
Element Symbol- 
Atomic Number- 
Atomic Mass-
Charge- 2+
Protons- 56
Electrons-
Neutrons-

Answer 4

Element Symbol- Ba
Atomic Number- 56
Atomic Mass- 137
Charge- 2+
Protons- 56
Electrons- 54
Neutrons- 81

Question 5

In general, do metals gain or lose electrons to achieve the stable octet?

Answer 5

Lose

Question 6

In general, do non-metals gain or lose electrons to achieve a stable octet?

Answer 6

Gain

Question 7

Do atoms gain/lose electrons to achieve the same electron configuration as the halogens or the noble gases?

Answer 7

Noble Gases

Question 8

Identify whether the following is a chemical or physical property: a car door rusts

Answer 8

Chemical

Question 9

Identify whether the following is a chemical or physical property: sugar cubes dissolve rapidly in hot water

Answer 9

Physical

Question 10

Identify whether the following is a chemical or physical property: aluminum can be hammered into thin sheets

Answer 10

Physical

Question 11

Identify whether the following is a chemical or physical property: magnesium reacts with hydrochloric acid

Answer 11

Chemical

Question 12

Identify whether the following is a chemical or physical change: ice melting into a puddle

Answer 12

Physical

Question 13

Identify whether the following is a chemical or physical change: a firework exploding into a night sky

Answer 13

Chemical

Question 14

Identify whether the following is a chemical or physical change: grass growing

Answer 14

Chemical

Question 15

Identify whether the following is a chemical or physical change: chalk grinding into chalkdust

Answer 15

Physical