Question 1

What does the measurement 17.5 represent if no units are specified

Accepted Answer

It is meaningless

Answer

Weight

Answer

Length

Answer

Volume

Question 2

Which unit is commonly used to measure the density of liquids?

Accepted Answer

g/ml

Answer

g/cm³

Answer

kg/m³

Answer

g/l

Question 3

What is matter?

Accepted Answer

Anything that has mass and occupies space

Answer

Only solids and liquids

Answer

Anything that can be touched

Answer

Anything that can be seen

Question 4

What are the basic particles of an atom?

Accepted Answer

Electrons, protons, and neutrons

Answer

Only neutrons

Answer

Protons and neutrons

Answer

Electrons and protons

Question 5

Which of the following is a physical property?

Accepted Answer

Melting point

Answer

Heat of combustion

Answer

Flammability

Answer

Reactivity

Question 6

What is an example of a chemical property?

Accepted Answer

Reactivity

Answer

Color

Answer

Boiling point

Answer

Density

Question 7

Where are protons located in an atom?

Accepted Answer

In the nucleus

Answer

Orbiting around the nucleus

Answer

Floating freely

Answer

In the electron cloud

Question 8

Which of these describes a characteristic of a substance that can be observed without changing it?

Accepted Answer

Color

Answer

Chemical stability

Answer

reactivity

Answer

Flammability

Question 9

What is the scientific notation for 0.0001

Accepted Answer

1 x 10^-4

Answer

1 x 10^4

Answer

1 x 10^0

Answer

1 x 10^2

Question 10

What describes the ability of a substance to undergo a chemical change?

Accepted Answer

Chemical property

Answer

Mass

Answer

Volume

Answer

Physical property

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