Midterm Review

How many electrons would share the quantum numbers n=2, l=3?

• 0

• 8

• 10

• 18

All of the following are physical properties of matter except ____.

• mass

• color

• combustion point

• ability to melt

Which state of matter has an indefinite volume and takes the shape of its container?

• Solid

• Liquid

• Gas

• Both Liquid and Gas

Which of the following is a physical change?

• Corrosion

• Explosion

• Rust

• Chewing of food

The smallest particle of an element that retains the properties of that element is a(n)___.

• Atom

• Electron

• Proton

• Neutron

Dalton’s atomic theory included which idea?

• All atoms of the same element are the same size.

• Atoms of different elements always combine in one-to-one ratios.

• Atoms of the same element are always bonded with eachother.

• Individual atoms can be seen with a microscope.

All atoms are ____.

• Positively charged, with the number of protons exceeding the number of electrons

• Negatively charged, with the number of electrons exceeding the number of protons

• Neutral, with the number of protons equaling the number of electrons

• Neutral, with the number of protons equaling the number of electrons, which is equal to the number of neutrons

An element has an atomic number of 38. The number of protons and electrons in a neutral atom of the element are ____.

• 152 protons and 76 electrons

• 76 protons and 0 electrons

• 38 protons and 38 electrons

• 76 protons and 76 electrons

Isotopes of the same element have the same ____.

• Numbers of neutrons

• Numbers of protons

• Numbers of electrons

• Both numbers of protons and electrons

What is the maximum number of orbitals in the d sublevel?

• 2

• 3

• 4

• 5