Elements Basics

O (oxygen)

• element

• compound

• mixture

Cl (chlorine)

• mixture

• element

• compound

N (nitrogen)

• element

• compound

• mixture

How many valence electrons does Potassium Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron

Which of these samples shown best represents an element?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

An element is

• Made up of different types of atoms

• Made up of the same type of atoms

• none of the above

• all of the above

Tags

NGSS.MS-PS1-1

Which item on this element square is the chemical symbol?

• Copper

• 29

• Cu

• 63.546

How many valence electrons does Silicon Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron

Tags

NGSS.MS-PS1-1

Made up of only 1 type of atom

• Compound

• Molecule

• Element

• Mixture

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element

• compound

Tags

NGSS.MS-PS1-1