Unit One Content

Question 0

Electrons need to be filled singly before being doubled

Answer 0

Hunds rule

Question 1

The _____ precisely and electrons is known, the ______ precisely its velocity is known.

Answer 1

More, less

Question 2

Electrons need to be filled with the same spin

Answer 2

Hunds rule

Question 3

Electrons must fill the lower levels before it fills higher levels

Answer 3

Aufbaus principle

Question 4

No two electrons can have the same placement and spin within an element

Answer 4

Pauli exclusion principle

Question 5

How close a number is to a true value

Answer 5

Accuracy

Question 6

How close numbers are to one another

Answer 6

Precision

Question 7

Charge of Alpha Rays

Answer 7

Positive

Question 8

Charge of beta Rays

Answer 8

Negative

Question 9

Isotopes have the same number of protons but a different number of

Answer 9

Neutrons

Question 10

Letter used to describe mass number

Answer 10

A

Question 11

Letter used to describe atomic number

Answer 11

Z

Question 12

Molar mass is usually expressed in

Answer 12

Grams

Question 13

Blackbody radiation

Answer 13

given off by a solid when it is heated

Question 14

The effect when electrons are emitted and a light of a certain frequency shine on a surface

Answer 14

Photoelectric effect

Question 15

The minimum frequency required to excite electrons

Answer 15

Threshold frequency

Question 16

The wavelength associated with a really small mas

Answer 16

De Broglie wavelength

Question 17

Principle quantum number

Answer 17

n

Question 18

The angular momentum number

Answer 18

l

Question 19

Magnetic quantum number

Answer 19

Ml

Question 20

Magnetic spin number

Answer 20

Ms

Question 21

Atomic orbitals that have the same energy are

Answer 21

Degenerate

Question 22

Weakly attracted to a magnetic field because they have unpaired electrons

Answer 22

Paramagnetic

Question 23

Weakly repelled by a magnetic field because they have no unpaired electrons

Answer 23

Diamagnetic