Ionic and Covalent

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

Covalent compounds can have

• Single Bonds

• Double Bonds

• Triple Bonds

• Quadruple Bonds

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

What two types of atoms make a covalent bond?

• 2 Nonmetals

• 1 Metal and 1 Nonmetal

• 2 Metals

• 2 Noble Gases

Tags

NGSS.MS-PS1-1

When an atom loses an electron, it becomes a:

• positive ion

• negative ion

• neutral ion

• neutral atom

Ionic compounds are formed when one or more valence electrons are transferred from _____

• a nonmetal atom to a metal atom

• a nonmetal atom to a nonmetal atom

• a metal atom to a nonmetal atom

• a metal atom to a metal atom

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

What two types of atoms make a covalent bond?

• 2 Nonmetals

• 1 Nonmetal and 1 Metal

• 2 Metals

• 2 Noble Gases

What is the correct formula for a compound formed from Na ⁺ and S ^-2

• Na₂S

• NaS₂

• Na₂S₂

• NaS

Tags

NGSS.MS-PS1-1

What is the correct formula for a compound formed from the ions K ⁺ and N^-3

• KN

• KN₃

• K₃N₃

• K₃N

Tags

NGSS.MS-PS1-1