Chemistry Basics Quiz

Question 1

Which non-metal has a high melting point?

Accepted Answer

Diamond

Question 2

What is the density of mercury compared to water?

Accepted Answer

Higher

Question 3

Which non-metal is liquid at room temperature?

Accepted Answer

Bromine

Question 4

What is an element?

Accepted Answer

A pure substance

Question 5

What makes diamond unique among non-metals?

Accepted Answer

It is very hard

Question 6

Why is graphite slippery?

Accepted Answer

It has a layered structure

Question 7

Why is mercury used in thermometers?

Accepted Answer

It expands when heated

Question 8

What happens to sodium when placed in water?

Accepted Answer

It floats and reacts

Question 9

What happens to most solids when heated?

Accepted Answer

They expand

Question 10

What is the structure of graphite?

Accepted Answer

Layered

Question 11

What holds diamond atoms together?

Accepted Answer

Strong bonds

Question 12

What is the normal human body temperature?

Accepted Answer

37°C

Question 13

Which form of carbon is used in pencils?

Accepted Answer

Graphite

Question 14

Which metal is liquid at room temperature?

Accepted Answer

Mercury

Question 15

What is the melting point of diamond?

Accepted Answer

Over 3500°C

Question 16

Which reaction describes sodium in water?

Accepted Answer

Vigorous and energetic

Question 17

What type of solution does sodium create in water?

Accepted Answer

Alkaline

Question 18

Which property allows sodium to float on water?

Accepted Answer

Low density

Question 19

True or false: Graphite conducts electricity.

Accepted Answer

True

Questions 19