Chem Definitions

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 17

Answer 4

Halogens

Question 5

Group 18

Answer 5

Noble Gases/Inert Gases

Question 6

Metals

Answer 6

Left of the staircase

Question 7

Non-metals

Answer 7

Right of Staircase

Question 8

Outer Electron

Answer 8

Determines physical and Chemical properties

Question 9

Inner Electron

Answer 9

Repulsion and Sheilding

Question 10

Effective nuclear charge experienced by outer electrons is?

Answer 10

Less

Question 11

Across a period the amount of shielding

Answer 11

stays the same

Question 12

Across a period the Nuclear charge

Answer 12

increases

Question 13

Across a period nuclear charge is

Answer 13

More effective

Question 14

Down a Group Effective Nuclear charge

Answer 14

Stays the same

Question 15

Down a Group the nuclear charge

Answer 15

Increases by 8

Question 16

Down a Group shielding

Answer 16

Increases by 8

Question 17

Atomic Radius

Answer 17

Half the distance between neighboring atoms

Question 18

Down a Group Atomic Radius

Answer 18

Increases

Question 19

Why does Atomic Radius increase down a Group?

Answer 19

Greater # of PELs

Question 20

Across a Period Atomic Radius

Answer 20

decreases

Question 21

Why does Atomic Radius increase across a Period?

Answer 21

Greater Nuclear Charge, same PEL

Question 22

Ionic Radius - Cations are

Answer 22

smaller than it’s atom

Question 23

Ionic Radius - Anions are

Answer 23

larger than it’s atom

Question 24

Ionic Radius - Greater Nuclear Charge (+)

Answer 24

Smaller ionic radius

Question 25

Ionic Radius -Greater (-) Charge

Answer 25

Larger

Question 26

Cation

Answer 26

Positively charged ion

Question 27

Anion

Answer 27

Negatively charged ion

Question 28

Electron Affinity

Answer 28

A measure in the change in energy when 1 mole of electrons are added to 1 mole of gaseous atoms to form gaseous ions

Question 29

X(g) + 1e- => x^-1 (g) shows what?

Answer 29

Electron affinity - exothermic

Question 30

Electron affinity is a __________ Process

Answer 30

exothermic

Question 31

X-1(g)+1e- => x^-2(g) shows what?

Answer 31

Electron Affinity - endothermic

Question 32

Electronegativity

Answer 32

A measure of an elements attraction for an electron in a covalent bond

Question 33

What element has the highest electronegativity?

Answer 33

Fluorine 4.0

Question 34

What element has the lowest electronegativity?

Answer 34

Francium 0.7

Question 35

Down a Group - Electronegativity

Answer 35

Decreases

Question 36

Across a Period - Electronegativity

Answer 36

Increases

Question 37

Metals - Electronegativity

Answer 37

Low

Question 38

Non-metals - Electronegativity

Answer 38

High

Question 39

Metals - Melting point trends

Answer 39

High, more valence electrons higher melting point

Question 40

Non-Metals - Melting Point Trends

Answer 40

Low

Question 41

Metalloids - Melting Point trends

Answer 41

Macromolecules, very high melting point

Question 42

Noble Gases - Melting Point Trends

Answer 42

Very Low, monatomic

Question 43

Group 1 Alkali Metals lose ___ electron

Answer 43

1

Question 44

As you go Down Group 1, reactivity ___________

Answer 44

Increases

Question 45

When Group 1 elements react with water they produce _______ solutions

Answer 45

Basic

Question 46

Group 1 elements react with group ____ elements to form _________ salts

Answer 46

17, ionic

Question 47

The most reactive metal

Answer 47

Francium

Question 48

Most reactive non-metal

Answer 48

Flourine

Question 49

Metal Oxides are ______

Answer 49

Basic

Question 50

Non-metal Oxides are _______

Answer 50

Acidic

Question 51

Amphoteric Oxides

Answer 51

Can act as both an acid and a base

Question 52

Group 17

Answer 52

Halogens

Question 53

Group 17 elements gain ___ electron(s)

Answer 53

1

Question 54

Flourine Color

Answer 54

Yellow Gas

Question 55

Chlorine Color

Answer 55

Yellowish / Green gas

Question 56

Bromine Color

Answer 56

Dark Red Liquid

Question 57

Iodine Color

Answer 57

Dark Purple