6.5 Matter Test Review

Label the parts of the atom.

Tags

NGSS.MS-PS1-1

How many different elements are in this chemical formula?

Tags

NGSS.MS-PS1-1

What makes atoms different in certain elements?

• elements each have a special atomic mass

• elements each have a special number of nuclei

• elements each have a unique number of neutrons

• elements each have a unique number of protons

The atomic number on the periodic table tells you the-

• number of neutrons

• chemical symbol

• number of protons

• atomic mass

How many protons are in an atom of Chromium?

Tags

NGSS.MS-PS1-1

How many electrons does a neutral atom of Silver contain?

What is the atomic mass of an atom of Gold?

What is the total number of atoms in this chemical formula?

• 4

• 6

• 2

• 3

Tags

NGSS.MS-PS1-1

A chemical equation represents a-

• a physical change

• a chemical reaction

• an element

• a molecule

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following correctly describes the chemical equation?

• Balanced- Both sides have 2 atoms of Mercury and 2 atoms of Oxygen

• Balanced- Both sides have 2 atoms of Mercury and 1 atom of Oxygen

• Unbalanced- The left side has 1 atom of Oxygen B=but the right side has 2 atoms of Oxygen

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5