Classifying Matter Study Set

Compounds and molecules are formed when atoms ___________________.

• pull apart

• exchange protons

• Bond

• Separate

In the molecule water, how many Oxygen atoms are present in each molecule?

• 1

• 2

• 3

• 4

How are elements represented in a chemical formula?

• using subscripts

• using superscripts

• using Greek numbers

• using upper and lower case letters

What is the correct symbol for the element Hydrogen?

• O

• OH

• H

• Hg

what is the correct symbol for the element Sulfur?

• Su

• S

• Se

• s

How do you write the chemical formula for Carbon Dioxide?

Oxygen gas is known as a/an _____________________.

• uncommon element

• triatomic element

• diatomic element

• uniatomic element

All elements are made up of their own unique _____________.

• element

• atom

• compound

• substance

Each element's atom differs in the number of_______________.

• protons

• neutrons

• electrons

• nucleus

This is an example of a properly written ________________________.

• chemical symbol

• chemical element

• chemical equation

• chemical formula