JANUARY 22 TEST

Question 1

EACH ORBITAL CAN HAVE ———— ELECTRONS

Answer 1

2

Question 2

WHEN ASKING FOR THE MAXIMUM NUMBER OF ELECTRONS, COUNT THE NUMBER OF

Answer 2

HORIZONTAL ELEMENTS

Question 3

ORBITALS=

Answer 3

Ml

Question 4

Ml=

Answer 4

-l up to 0 up to +l

Question 5

l=

Answer 5

Sublevel

Question 6

When talking about sublevels,

Answer 6

S,p,d,f and 0,1,2,3

Question 7

l equation

Answer 7

N-1

Question 8

What makes an atom bigger?

Answer 8

when there are more electrons

Question 9

L is what numbers

Answer 9

0,1,2,3

Question 10

Mendeleev periodic table orginization

Answer 10

-Horizontally by atomic mass
-Vertically by chemical properties
-Elements with simular properties grouped together

Question 11

Alkalai metals

Answer 11

group 1A

Question 12

Alkaline earth metals

Answer 12

group 2A

Question 13

Halogens

Answer 13

group 7A

Question 14

Noble gasses

Answer 14

group 8A

Question 15

7 whats

Answer 15

periods
Energy levels
N=

Question 16

Do ml or L have negative numbers

Answer 16

Ml

Question 17

N= describes what

Answer 17

the energy level of an electron inside an atom ( the horizontal level its on)

Question 18

L= means what

Answer 18

N-1

Question 19

An orbital is

Answer 19

a region where an electron is likely to be found

Question 20

Aufbau principle

Answer 20

Electrons fill orbitalos one electron at a time, starting from lowest energy sublevel

Question 21

Pauli exclusion principle

Answer 21

The maximum number of electrons per orbital is two electrons or arrows

Question 22

Hand’s rule

Answer 22

electrons fill orbitals with same energy number and sublevel leter one electron at. Time before pairing up

Question 23

Core electrons

Answer 23

the electrons that get substituted by a noble gas symbol for the short version

Question 24

Valence electrons

Answer 24

the electrons in the highest level of an atom

Question 25

Wavelength and frequency equsion

Answer 25

C=4v v: frequency 4: wavelength

Question 26

Frequency and energy equasion

Answer 26

E=hf e= energy, h=planks constant f=frequency

Question 27

For ions, the number of electrons lost or gained relates to what

Answer 27

The amount it takes to get to the next noble gas

Question 28

Completely filled orbitals are what

Answer 28

The most stable and have the lowest energy

Question 29

Cations

Answer 29

Obtain more protons than electrons. Overall positively charged. Smaller than their neutral atoms

Question 30

Anions

Answer 30

Gains more electrons than protons. Negatively charged. Larger than neutral atom.

Question 31

Atomic size refers to what

Answer 31

The atomic radius- the distance from the nuclei of the two identiacal atoms bonded together

Question 32

The atomic size increases from

Answer 32

Right to left, up to down

Question 33

The ionization energy is

Answer 33

the energy required to remove an electron from an atom

Question 34

Ionization energy on the periodic table

Answer 34

Increases left to right, down to up

Question 35

Electronegativity is

Answer 35

The measure of the ability of an atom in a chemical compound to attract elements

Question 36

Electronegativity inreases

Answer 36

Left to right, up to down

Question 37

Electron affinity

Answer 37

The change in energy that occurs when a neutral atom gets an electron

Question 38

Electron affinity increases

Answer 38

Left to right, bottom to top