Identify Elements

How many valence electrons?

• 2

• 3

• 4

• 5

How many valence electrons?

• 2

• 4

• 6

• 8

Tags

NGSS.MS-PS1-1

Which pictures represent elements?

• B and D

• A and B

• B and C

• C and D

Tags

NGSS.MS-PS1-1

In this diagram, X represents...

• A compound

• A mixture

• An atom

• An element

Tags

NGSS.MS-PS1-1

Identify the substance in the picture

• an element

• a compound

• a mixture of elements

• a mixture of compounds

• a mixture of elements and compounds

Tags

NGSS.MS-PS1-1

This picture represents: 

• Element

• Compound

• Mixture of Elements

• Mixture of Compounds

Tags

NGSS.MS-PS1-1

To identify the elements, I look for the ____

• element symbols (capital letters)

• numbers

• teacher

• element mass

Count the number of ELEMENTS in the following chemical formula: NaOH

• 3

• 2

• 1

• 4

Tags

NGSS.MS-PS1-1

Count the number of ELEMENTS in the following chemical formula: FeNO₃

• 3

• 2

• 5

• 4

Tags

NGSS.MS-PS1-1

Which of the following is a noble gas?

• Helium

• Oxygen

• Nitrogen

• Carbon