Electrons and Chemical Periodicity Test Review

How many valence electrons does Aluminum Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron

Tags

NGSS.HS-PS1-1

How many valence electrons does Hydrogen Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron

Tags

NGSS.HS-PS1-1

Which elements have the most similar chemical properties?

• boron and carbon

• oxygen and sulfur

• aluminum and bromine

• argon and silicon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of these is correct?

• 
• 
• 

What are the elements (Be, Mg, Ca,...) in Group 2 called?

• Alkali metals

• Alkaline earth metals

• Halogens

• Noble Gases

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This could be the dot diagram of

• P
• Ar
• Na
• B

Tags

NGSS.HS-PS1-1

How do positive ions form?

• by gaining electrons
• getting compliments
• by losing electrons
• gaining more protons

Tags

NGSS.HS-PS1-2

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

Tags

NGSS.HS-PS1-1

This orbital diagram represents:

• C

• B

• N

• O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2