PS 2nd Semester Final Review

How are covalent bonds explained?

• When one atom takes the other atom's electron
• When the atom shares an electron with an another atom
• When the two nucleus merge
• When the neutrons leave the nucleus

Tags

NGSS.HS-PS1-1

Ionic bonds exist between a metal with a non-metal.

• True
• False

Magnesium (Mg) and Oxygen (O) form an ________ bond.

• Ionic
• Covalent
• Metallic
• Nothing

Calcium (Ca) and 2 chlorine (Cl) atoms make a covalent compound.

• True
• False

Tags

NGSS.MS-PS1-1

Which structures conduct electricity as a liquid but not as a solid?

• Metallic

• Covalent

• Ionic

• All of the above

Valence electrons are transferred

• Ionic bonds

• Covalent bonds

Valence electrons are shared

• Ionic bonds

• Covalent bonds

Tags

NGSS.HS-PS1-1

Poor electrical conductivity

• Ionic compounds

• Covalent compounds

Tags

NGSS.MS-PS2-3

LiF

• Ionic Bond
• Covalent Bond
• Both bonds
• Neither bond

MgBr₂

• Ionic Bond
• Covalent Bond
• Both bonds
• Neither bond

Tags

NGSS.HS-PS1-3