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What do we call an atom that has a charge?

• Ion

• Molecule

• Isotope

• Metal

If Sodium (Na) and Chlorine (Cl) form a compound, it will be held together by...

• Metallic bonds

• Covalent bonds

• Polar bonds

• Ionic bonds

Tags

NGSS.HS-PS1-2

Giving something as a gift is a good metaphor for what type of bond?

• Metallic

• Ionic

• Covalent

• Orbital

A salt is formed when an alkali metal combines with a halogen. Salts are held together with ____________ bonds.

• Ionic

• Covalent

• Polar

• Metallic

Tags

NGSS.HS-PS1-2

What type of bond is this? Lithium with Fluorine?

• ionic
• covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If an atom loses two electrons what charge will it have?

• + 2
•  - 2
• +1
• -1

Tags

NGSS.HS-PS1-1

What is the number of valence electrons for Oxygen?

• 8
• 6
• 2
• 1

Tags

NGSS.HS-PS1-1

Which of the following has a full valence shell?

• Oxygen
• Neon
• Barium
• Carbon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic bonds are between...

• nonmetals and nonmetals
• carbon and oxygen
• metals and nonmentals
• hydrogen and chlorine

Covalent bonds are between...

• two or more nonmetals
• sodium and chlorine
• metals and metals
• metals and nonmetals

Tags

NGSS.HS-PS1-2