8th grade chemistry

Front

What is the amount of matter an object has?

Back

Mass

Front

How are elements ordered in the modern periodic table?

Back

By increasing atomic number.

Front

How many atoms of oxygen are in a molecule of glucose, C6H12O6?

Back

6

Front

What classifies a substance as a mixture?

Back

Two or more substances that are not chemically bonded.

Front

What is a compound?

Back

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 made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded.

Front

What is the definition of density?

Back

Density is the mass of an object divided by its volume.

Front

What is the formula for calculating density?

Back

Density = Mass / Volume

Front

What is the law of conservation of mass?

Back

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

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.