Ionic Compounds and metals

Metals tend to 

• gain electrons
• lose electrons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

If my charge becomes 2+ what does that say about me?

• I am stealing 2 electrons
• I am losing 2 electrons
• I am in period 2
• I have an atomic # of 2

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

How do the following two elements bond together?
Na¹⁺  F^1-         

• NaF
• NaF₃
• Na₃F
• Na₁F₂

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NGSS.HS-PS1-2

How do the following two elements bond together?
Cr³⁺  O^2-         

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

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NGSS.MS-PS1-1

Name the following ionic compound: BeCl₂

• beryllium chlorine
• beryllium II chloride
• beryllium chloride
• beryllium dichloride

How many valence electrons does a bromine atom have?

• 1
• 2
• 6
• 7

Tags

NGSS.HS-PS1-1

What is a cation?

• positive ion
• Neutral atom
• Two additional protons
• negative ion

Which is most likely to form a negative ion?

• an element from group 17
• a metal
• an element from group 1
• an element with atoms that have eight valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Name this compound: 
NaBr

• Bromide sodide
• Sodium bromide
• Sodium bromate
• Sodium bromite

Tags

NGSS.MS-PS1-1

Which of the following BEST describes ionic bonds?

• Bond held together by a sea of electrons
• Bond of two ions of opposite charges held together by electrostatic forces
• Bond held together by the sharing of electrons
• Bond between hydrogen and an anion or polyatomic ion.

Tags

NGSS.HS-PS1-3