Covalent Bonding

How many electrons do elements have in their valence shell after they bond in order to become stable (besides hydrogen and helium)?

• 0 electrons

• 2 electrons

• 6 electrons

• 8 electrons

Tags

NGSS.HS-PS1-2

Which element has 5 valence electrons?

• Carbon

• Nitrogen

• Fluorine

• Chlorine

Tags

NGSS.HS-PS1-1

Which element has 6 valence electrons?

• Silicon

• Phosphorus

• Sulfur

• Chlorine

Tags

NGSS.HS-PS1-1

What type of bond is in the acid HF?

• Ionic

• Metallic

• Covalent

• Polyatomic

Tags

NGSS.HS-PS1-4

How many valence electrons are in an atom of Boron?

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

Which type of covalent bond is a result of an equal sharing of electrons?

• Ionic

• Nonpolar

• Polar

• Electronegative

Which type of covalent bond is a result of an unequal sharing of electrons?

• Polar

• Nonpolar

• Ionic

• Resonance

A molecule of CH4 contains:

• Only covalent bonds

• Only ionic bonds

• Both ionic and covalent

• Neither ionic or covalent

Tags

NGSS.MS-PS1-1

A molecule of NH3 contains:

• Ionic bonds

• Covalent bonds

• Both ionic and covalent

• Neither ionic or covalent

Tags

NGSS.HS-PS1-1

Which would be the most polar covalent bond?

• C-N

• C-I

• C-F

• C-H