CHEM 01 Midterm

Question 1

Goes towards the nucleus

Answer 1

Emitted

Question 2

Goes away from the nucleus

Answer 2

Absorbed

Question 3

The square of the wave ψ function gives the electron density, or probability of where an electron is likely to be at any given time

Answer 3

Electron Density

Question 4

Possibility of finding electrons in a spherical shell

Answer 4

Radial Probability

Question 5

Different orbital types within a shell

Answer 5

Subshells

Question 6

-The most stable arrangement of electrons in subshells is the one with the greatest number of parallel spins
-Electrons fill a subshell one at a time before forming pairs

Answer 6

Hund’s Rule

Question 7

-Unpaired Electrons

Answer 7

Paramagnetic

Question 8

-All electrons are paired

Answer 8

Diamagnetic

Question 9

Elements that exist as individual atoms

Answer 9

Monoatomic Gases

Question 10

Elements that appear in pairs

Answer 10

Diatomic Gases

Question 11

-An atom having a positive 1 charge
-That is a cation with +1 charge
-Has donated one of its electrons

Answer 11

Unipositive Cation

Question 12

-An atom having a negative 1 charge
-Anions with a charge of -1
-Gaining one electron

Answer 12

Uninegative Anion

Question 13

The lowest energy state

Answer 13

Ground State

Question 14

Any energy higher than lowest energy state

Answer 14

Excited State

Question 15

-The solution of Schrödinger’s wave equation for hydrogen yields wave functions for the electron
–Amplitude/Height of the wave

Answer 15

Wave Functions Ψ