Chemistry 101 exam 3 set

How many valence electrons do the halogens possess?

7

When l = 3, what is the orbital shape?

F

How do you identify Isoelectronic Species?

all of the elements will have the same amount of electrons. if it has a + it needs to be subracted if it has a - it needs to be added

The vertical height of a wave is called

amplitude

Which of the following quantum numbers describes the shape of an orbital?

angular momentum quantum number

What color is lithium in the flame test

red

No two electrons in an atom can have the same four quantum numbers is known as

the Pauli exclusion principle

A sunburn is caused by overexposure to ________ radiation.

ultraviolet

Which of the following colors of electromagnetic radiation has the shortest wavelength?

violet

What color is sodium in the flame test

yellow

When l = 1, what are the values of m1

−1, 0, +1

When l = 2, what are the values of m1

−2, −1, 0, +1, +2,

When l = 3, what are the values of m1

−3, −2, −1, 0, +1, +2, +3

When l = 2 what is the orbital shape?

D

What is amplitude?

It is the height of the wave

Identify the isoelectronic elements.

N3-, O2-, F-, Na+, Mg2+

Identify the element that has a ground state electron configuration of [Kr] 5s24d3

Nb

When l = 1, what is the orbital shape?

P

when l = 0, what is the orbital shape?

S

What color is potassium in the flame test

purple

Give the ground state electron configuration for As.

[Ar] 4s^23d1^04p^3

The number of cycles that pass through a stationary point in a given period of time is called

frquency

What color is barium in the flame test

green

What is wavelength?

is the measure of the distance covered by the wave.

What is frequency (v)?

is the number of waves that pass a point in a given period of time

A cation of +2 indicates that an element has

lost two electrons