Chemical Bonds

Name the following: MgO

• Magnesium Oxide

• Monomagnesium monoxide

• Magnesium monoxide

• Magnesium (II) oxide

Tags

NGSS.MS-PS1-1

Name the following: CF₄

• Carbon fluoride

• Monocarbon tetrafluoride

• Carbon tetrafluoride

• Carbon fluorate

An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?

• Gain 5 valence electrons

• Lose 3 valence electrons

• Nothing, it is fine with 3 valence electrons

How many Aluminum atoms are in Al₂O₃?

• 3

• 5

• 2

• 1

Tags

NGSS.MS-PS1-1

Write the correct formula for Sodium Chloride.

• SC

• SCl

• NaCl

• NaCl₂

Tags

NGSS.MS-PS1-1

How do covalent bonds form?

• By donating and receiving valence electrons between atoms.

• Scientists still aren't sure.

• Opposite slight charges attract each atom in the compound.

• Sharing valence electrons between atoms

Tags

NGSS.HS-PS1-1

What two types of atoms make a covalent bond?

• non metal + non metal

• non metal + metal

• metal + metal

• noble gas + noble gas

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does a bromine atom have?

• 1
• 2
• 6
• 7

Tags

NGSS.HS-PS1-1

A bond between a metal and a nonmetal is called a(n) ____

• covalent bond

• ionic bond

• metallic bond

• transfer bond