Chemistry: Elements, Compounds, Formulae, and Matter

Question 1

Which of the following is NOT one of the three common states of matter usually introduced in basic chemistry?

Accepted Answer

Plasma

Answer

Solid

Answer

Liquid

Answer

Gas

Question 2

A substance that maintains a fixed shape and a fixed volume is typically in which state?

Accepted Answer

Solid

Answer

Liquid

Answer

Gas

Answer

Vapor

Question 3

In which state of matter do particles move freely and spread out completely to fill any container they are in?

Accepted Answer

Gas

Answer

Solid

Answer

Liquid

Answer

Ice

Question 4

What is a pure substance that cannot be broken down into simpler substances by ordinary chemical processes?

Accepted Answer

Element

Answer

Compound

Answer

Mixture

Answer

Solution

Question 5

Which of the following substances is an example of an element?

Accepted Answer

Oxygen (O2)

Answer

Salt (Sodium Chloride)

Answer

Sugar (Sucrose)

Answer

Water (H2O)

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