Covalent bonding

Which of the following compounds is covalent?

• MgS

• NaCl

• CH₄

• LiBr

What characteristic differentiates covalent bonding from ionic bonding?

• Electrons are transferred from one atom to another to form a bond

• Electrons are shared in pairs from one atom to another to form a bond

Which of the following is a characteristic of a covalent bonding?

• Crystalline solids

• High melting point

• Transfer electrons

• Low electrical conductor

Why do atoms share electrons?

• To attain the electron configuration of a noble gas.
• To become ions and take a charge
• to increase the mass
• it's a nice thing to do.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons are shared in a single covalent bond?

• 2 pairs

• 4

• 2

• 1

Tags

NGSS.HS-PS1-2

How many electrons are shared in a double covalent bond?

• 2

• 4

• 6

• 8

How many electrons are shared in a triple covalent bond?

• 1

• 3

• 6

• 9

phosphorus trichloride

• KCl₃
• PCl₃
• K₃Cl
• P₃Cl

Tags

NGSS.MS-PS1-1

silicon dioxide

• SO₂
• NaO₂
• SiO₂
• SiO

Tags

NGSS.MS-PS1-1