Quiz on Atomic Structure and Bonding

What is the charge of protons in an atom?

• Positive

• Negative

• Neutral

• None of the above

Which subatomic particle has no charge?

• Proton

• Electron

• Neutron

• Ion

Which of the following is true about isotopes?

• They have the same number of neutrons.

• They have different numbers of protons.

• They have the same number of protons but different numbers of neutrons.

• They are formed from ionized atoms.

The atomic number of an element represents:

• The number of protons in the atom.

• The number of electrons in the atom.

• The number of neutrons in the atom.

• The sum of protons and neutrons.

What type of bond forms between a metal and a nonmetal?

• Covalent bond

• Ionic bond

• Hydrogen bond

• Metallic bond

In a covalent bond:

• Electrons are transferred from one atom to another.

• Electrons are shared between atoms.

• Atoms become ions.

• Only metals are involved.

Tags

NGSS.HS-PS1-1

Water molecules are:

• Polar

• Nonpolar

• Ionic

• Metallic

Which of the following properties allows insects to walk on the surface of water?

• Adhesion

• Surface tension

• Capillarity

• Solubility

The ability of water to absorb large amounts of heat with only small changes in temperature is called:

• Adhesion

• High specific heat capacity

• Surface tension

• Polarity

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A substance with a pH of 6 is:

• Acidic

• Neutral

• Basic

• None of the above