Bio 1 - Chapter 2 Review Quiz - Class 3 Participation Points

Which subatomic particle has a neutral charge?

• Electron

• Neutron

• Proton

• Neutrino

• Photon

Which of the following has the highest concentration of H+ ions?

• pH = 2

• pH = 6

• pH = 8

• pH = 12

• pH = 14

Isotopes are atoms of the same element but differ in the number of __________________.

• Electrons

• Protons

• Neutrons

• Orbitals

• Bonds

True or False: Changing the number of protons forms ions of the same element.

• True

• False

Typically an increase in temperature causes a rate of a chemical reaction to:

• Decrease

• Increase

• Remain the same

Which of the following properties of water is a consequence of its ability to form H bonds? Check all that apply

• Cohesion

• High specific heat

• Adhesion

• Ability to function as a solvent

An atom with more electrons than protons is _____________.

• An element

• An isotope

• A cation

• An anion

Nitrogen's atomic number is 7. How many electrons are in carbon's outer shell?

• 4

• 5

• 6

• 7

• 8

Most of the mass of an atom is found in ____________.

• The electrons

• The energy shells

• The alpha particles

• The nucleus

• The orbitals

Hydrogen bonding between water molecules makes them tend to stick together, how does this affect the specific heat (SH) and heat of vaporization (HOV) or water?

• The SH and HOV of water are high

• The SH and HOV of water are low

• SH is high, but HOV is low

• SH is low, but HOV is high