Element Key

Aluminum atoms have 27 protons.

• True

• False

Tags

NGSS.MS-PS1-1

What is the chemical symbol for Mercury?

How many electrons are found in an Arsenic atom?

What is the chemical symbol for Sulfur?

How many protons are in a Manganese atom?

How many protons are in a Magnesium atom?

From this element key of Nitrogen, determine the atomic mass of nitrogen

• 7

• 7.01

• 14.01

• 21.01

Tags

NGSS.MS-PS1-1

In an element box, the number at top is the

• atomic number

• atomic name

• atomic mass

• atomic symbol

Identify from the picture the atomic #

• 2

• 4

• 4.003

• 3

Tags

NGSS.MS-PS1-1

What is the atomic mass of Neon?

• 10

• 20.18

• 10.18

• 21.18