Chemical Bonding

Is H₂O₂ an element or a compound?

• element

• compound

Tags

NGSS.MS-PS1-1

An atom that gains or loses an electron becomes

• an isotope

• a new element

• an ion

• a molecule

When an atom gains an electron it becomes

• negatively charged

• positively charged

• neurtal

Ionic bonds happen when valence electrons are

• shared

• too heavy

• transferred

Valence electrons are

• neutral (no charge)

• found in the outer most energy level of the atom

• equal to the number of protons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which type of bond occurs between non metals?

• covalent bonds

• ionic bonds

• metallic bonds

• all types of bonds

Tags

NGSS.HS-PS1-1

How many valence electrons does Oxygen have?

• 0

• 16

• 6

• 8

Tags

NGSS.HS-PS1-1

What type of bond forms CaF₂

• covalent bond

• ionic bond

• metallic bond

• all answers are correct

Tags

NGSS.HS-PS1-1

Which type of bond is creates MgFe?

• covalent bond

• ionic bond

• metallic bond

• all the bonds

What is the charge of an aluminum ion that has 13 protons and 10 electrons?

• 3+

• 3 -

• no charge