Semester 1 Final Exam Review

Front

The properties of compounds are ________ the properties of the elements that make up the compound.

Back

different than

Front

In the SI system, _______ is used to measure the distance a car travels.

Back

meter

Front

The particles that make up a gas move __________________ than do the particles that make up a solid.

Back

more quickly

Front

Which of the following is equivalent to 3.5 g? (kg - hg - dag - base - dg - cg - mg)

Back

350 cg

Front

What type of reaction is NaCl (aq) + AgNO3 (aq) → NaNO3 (aq) + AgCl (s)?

Back

double displacement reaction

Front

Define a compound.

Back

A substance formed when two or more elements chemically bond together.

Front

What is the SI unit for mass?

Back

kilogram (kg)

Front

Explain the difference between a physical change and a chemical change.

Back

A physical change alters the form of a substance without changing its identity, while a chemical change results in the formation of new substances.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

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 chemically combined.