Bonding Test

Which element is a halogen?

• Chlorine

• Argon

• Helium

• Neon

What is a chemical bond?

• A force that repels atoms

• A force that holds atoms or ions together in a compound

• A type of chemical reaction

• A method of breaking down compounds

Tags

NGSS.HS-PS1-3

What term describes the attractive force in a compound?

• Ionic force

• Chemical bond

• Magnetic force

• Gravitational force

What is the nature of a chemical bond?

• Repulsive

• Attractive

• Neutral

• Magnetic

Tags

NGSS.HS-PS1-3

How do atoms become more stable?

• By losing all electrons

• By filling their valence shell

• By gaining protons

• By changing their shape

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which element is an exception to the octet rule?

• Oxygen

• Helium

• Carbon

• Nitrogen

What is the main goal of atoms forming bonds?

• To become heavier

• To become more stable

• To become radioactive

• To become lighter

What is the molecular weight of NaCl approximately? (Na ~23, Cl ~35)

• 58.44 g/mol

• 44.01 g/mol

• 18.02 g/mol

• 100.08 g/mol

In the formula H₂O, what does the 'O' stand for?

• Oxygen

• Hydrogen

• Helium

• Ozone

Tags

NGSS.HS-ESS2-5

In the chemical formula Ca(NO₃)₂, how many oxygen (O) atoms are present?

• 3

• 4

• 5

• 6

Tags

NGSS.MS-PS1-1