Chemistry CFE

What type of reaction involves the breaking down of a substance into simpler substances?

• Single Displacement Reaction

• Double Displacement Reaction

• Synthesis Reaction

• Decomposition Reaction

Tags

NGSS.MS-PS1-2

What type of reaction involves 2 substances combining to form 1 new compound?

• Decomposition Reaction

• Single Displacement Reaction

• Double Displacement Reaction

• Synthesis Reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What type of reaction involves one element replacing another element in a compound?

• Single Displacement Reaction

• Double Displacement Reaction

• Synthesis Reaction

• Decomposition Reaction

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What type of reaction involves ions from 2 compounds exchanging places to form 2 completely new compounds?

• Single Displacement Reaction

• Double Displacement Reaction

• Synthesis Reaction

• Decomposition Reaction

This shows a table salt molecule. What is it?

• compound

• element

• mixture

Tags

NGSS.MS-PS1-1

Which of these samples shown best represents an element?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

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

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 Potassium Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron