Unit 1 Test Review 7.6AB

Front

What are the basic building blocks of matter?

Back

Atoms

Front

What should you do when you see a coefficient in a chemical formula?

Back

Multiply EVERYTHING!

Front

Who created the current version of the Periodic Table of Elements and when?

Back

Dmitri Mendeleev in 1869.

Front

What is the purpose of the Periodic Table of Elements?

Back

To organize the elements.

Front

How many different elements are present in H2COCH2?

Back

3

Front

How many atoms of Hydrogen are in H2O?

Back

2

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded.

Front

What is a chemical formula?

Back

A way to represent a chemical substance using symbols for its constituent elements.

Front

What does a subscript in a chemical formula indicate?

Back

The number of atoms of the element in the molecule.