Chemistry Makeup Work

Valence electrons are the...

• Innermost electrons
• Middle electrons
• Outermost electrons
• Any electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

Tags

NGSS.HS-PS1-1

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

USE THE PERIODIC TABLE

Find the element that has 3 Valence Electrons and 2 energy levels.

• Magnesium - Mg

• Lithium - Li

• Aluminum - Al

• Boron - B

Tags

NGSS.HS-PS1-1

USE THE PERIODIC TABLE

Find the element that has 5 Valence Electrons and 4 energy levels.

• Arsenic - As

• Selenium - Se

• Calcium - Ca

• Vanadium - V

Tags

NGSS.HS-PS1-1

Elements in the same column of the periodic table always have the same # of _______ as one another.

• Protons
• Neutrons
• Electrons
• Valence Electrons

Tags

NGSS.HS-PS1-1

Is this the correct Lewis Dot Structure for Boron?

• Yes

• No, missing electrons

• No, too many electrons

• No, dots are in wrong place.

Tags

NGSS.HS-PS1-1

What is the goal of the Lewis Dot Structure?

• To determine the electron position.

• To show the element's valence electrons & bonding capabilities.

• To find the atomic mass of an element.

• To search for the number of electrons in an individual atom.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This is a correct dot diagram for nitrogen (N)

• true

• false

Tags

NGSS.HS-PS1-1

Which is the correct molecular structure for carbon dioxide?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1