Semester Exam Review Aug-Dec.

Front

Because of inertia, a resting object will remain at ________.

Back

rest

Front

How many elements are present in the compound Mg2As3COHNi2?

Back

6

Front

What is the tendency of an object to resist a change in its motion?

Back

inertia

Front

Are these molecules also compounds? (Answer YES or NO)

Back

NO

Front

What evidence from fossils supports the idea that the continents were once joined and then drifted apart?

Back

Fossils from plants and animals are found on two different continents.

Front

What is inertia?

Back

Inertia is the property of an object to remain at rest or in uniform motion unless acted upon by an external force.

Front

Define a compound in chemistry.

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down into simpler substances, while a compound is made up of two or more elements.

Front

What is the significance of fossils in understanding continental drift?

Back

Fossils provide evidence of how species were distributed across continents, indicating they were once connected.

Front

What is the law of conservation of mass?

Back

The law states that mass is neither created nor destroyed in a chemical reaction.