Unit 3a

Question 1

Group 1

Answer 1

Alkali metals

Question 2

Group 2

Answer 2

Alkaline earth metals

Question 3

Group 3-12

Answer 3

Transition metals

Question 4

Group 13

Answer 4

Boron family

Question 5

Group 14

Answer 5

Carbon family

Question 6

Group 15

Answer 6

Nitrogen family

Question 7

Group 16

Answer 7

Chalcogens

Question 8

Group 17

Answer 8

Halogens

Question 9

Group 18

Answer 9

Noble Gases

Question 10

Valance electrons

Answer 10

electrons located in the outermost energy level of an atom furthest from the nucleus of the atom

Question 11

How many valance electrons does Tin (Sn) have?

Answer 11

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Question 12

Why do atoms participate in bonding?

Answer 12

To become more stable

Question 13

Cations

Answer 13

positive ions

Question 14

Are cations bigger or smaller than its neutral atom?

Answer 14

smaller because it loses electrons

Question 15

Anions

Answer 15

Negative ion

Question 16

Are anions bigger or smaller than its neutral atom?

Answer 16

bigger because it gains electrons

Question 17

Aufbau Principle

Answer 17

electrons enter orbitals of the lowest energy first

Question 18

Hund’s Rule

Answer 18

single electrons with the same spin must occupy each equal energy orbit before additional electrons with opposite spins can occupy the same orbitals

Question 19

Pauli Exclusion Principle

Answer 19

a maximum of 2 electrons cna occupy a single orbital (have to have opposite spins)

Question 20

What’s the electron configuration for Neon?

Answer 20

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Question 21

What’s the orbital notation for Calcium (Ca)?

Answer 21

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Question 22

What’s the octect rule?

Answer 22

tendency of atoms to prefer to have 8 electrons in the valance shell

Question 23

Electron configuration

Answer 23

1s 2s 2p 3s 3p 4s 3d 4p 5s 4d 5p 6s 4f 5d 6p 7s 5f

Question 24

What’s the five periodic table trends?

Answer 24

Ionization energy
electronegativity
atomic radius
ionic radius
metallic / non metallic character

Question 25

principle quantum number symbol:

Answer 25

n

Question 26

angular momentum quantum number symbol:

Answer 26

l

Question 27

magnetic quantum number symbol:

Answer 27

ml

Question 28

spin quantum number symbol:

Answer 28

ms

Question 29

What is principal quantum number?

Answer 29

energy level n= 1-7 (period number)

Question 30

What is angular momentum quantum number?

Answer 30

sublevel l= 0-3 s=0 , p=1 , d=2 , f=3

Question 31

What is magnetic quantum number?

Answer 31

describes orbital orientation boxes (-2,-1,0,1,2)

Question 32

What is spin quantum number?

Answer 32

1/2 or -1/2

Question 33

Atomic radius

Answer 33

distance from the center of the atom to the outermost energy level of electrons Increases = top to bottom Decreases = left to right

Question 34

Ionic radius

Answer 34

atomic radius for an ion Increases = top to bottom Decreases = left to right

Question 35

Ionization energy

Answer 35

measure of energy needed to remove an electron from an atom Increases = left to right Decreases = top to bottom

Question 36

Electronegativity

Answer 36

an atoms ability to attract an electron from another atom Decreases = top to bottom Increases = left to right

Question 37

Metallic Character

Answer 37

Increases = top to bottom Decreases = left to right

Question 38

What’s the 4 quantum numbers for Cobalt (Co)?

Answer 38

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Question 39

Draw the dot diagram for Sulfur (S)

Answer 39

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Question 40

Draw the Bohr diagram for Argon (Ar)

Answer 40

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