Week 1

Question 1

Elements

Answer 1

Atoms of differing size

Question 2

Atomic Number

Answer 2

of Protons

Question 2

In a neutral atom, what particle is the # of protons equal to?

Answer 2

of electrons

Question 3

Isotopes

Answer 3

Elements w/ the same # of protons, but different in Neutrons

Question 4

Orbital

Answer 4

Electron orbiting region

Question 5

S

Answer 5

Spherical

Question 6

P

Answer 6

Dumbbell

Question 7

Electrons with closer orbitals to the nucleus have…

Answer 7

Lower energy

Question 8

1st energy level

Answer 8

K

Question 9

2nd Energy level

Answer 9

L

Question 10

3rd Energy level

Answer 10

M

Question 11

4th Energy Level

Answer 11

N

Question 12

Dumbbell orbitals can travel on different planes with the same….

Answer 12

energy level

Question 13

Other terms for energy level

Answer 13

energy shell, electron shell

Question 14

In the same energy level, which shape has the least amount of energy

Answer 14

S (spherical) orbitals

Question 15

Subshells

Answer 15

the different types of orbitals on an energy level

Question 16

Aufbau Principle

Answer 16

Electrons occupy the lowest energy level available

Question 17

Low energy S orbits fill electrons

Answer 17

first & sequentially

Question 18

p orbits fill electrons

Answer 18

simultaneously (at the same time)

Question 19

Valence electrons

Answer 19

outermost energy level electrons

Question 20

What energy level to atoms pair from?

Answer 20

valence energy level

Question 21

What do the dots represent on the lewis dot diagram?

Answer 21

Valence electrons

Question 22

what is the max amount of electrons that an orbital can hold?

Answer 22

2

Question 23

what happens when the number of electrons change in an atom

Answer 23

it becomes an ion

Question 24

In an ion, does the number of electrons equal the number of protons?

Answer 24

no

Question 25

what does an ionic bond result in?

Answer 25

two oppositely charged ions

Question 26

what directions do ions attract?

Answer 26

all

Question 27

salt

Answer 27

matrix of charged ions

Question 28

what are the ions in salt held together by?

Answer 28

ionic bonding

Question 29

molecules

Answer 29

atoms joined in covalent bonds

Question 30

covalent bonds

Answer 30

atoms share unpaired electrons

Question 31

elemental molecules

Answer 31

covalent bonds occurring between atoms of the same element

Question 32

molecular compounds

Answer 32

covalent bonds occurring between atoms of different elements

Question 33

do atoms remain in the same orbit after a covalent bond?

Answer 33

yes

Question 34

what happens to an electrons orbital after a covalent bond is formed?

Answer 34

the orbital expands into the other electrons orbital

Question 35

Shared electrons

Answer 35

electrons that went though covalent bonding to create a shared orbital path

Question 36

duet rule

Answer 36

elements with a filled spherical orbit are more stable

Question 37

Octet rule

Answer 37

when an atoms pair they tend to pair so that each atom has 8 electrons in its valence shell

Question 38

Difference between covalent bonds and ionic bonds

Answer 38

covalent bonds share orbitals and pair electrons, ionic bonds give electrons and lose an electron

Question 39

what happens to an atom after it loses an electron

Answer 39

it becomes an ion and has a positive charge

Question 40

what happens to an atom after it gains an electron

Answer 40

it becomes an ion and has a negative charge (Cation)

Question 41

Cation

Answer 41

an ion with a paaawwsitive charge

Question 42

when is cation formed?

Answer 42

after an atom loses an electron and becomes positive

Question 43

when is anion formed?

Answer 43

after an atom gains an electron and becomes negative

Question 44

Anion

Answer 44

an ion with a negative charge

Question 45

what happens to an atom after it gains an electron?

Answer 45

it becomes an ion and becomes negative (Anion)

Question 46

Periods

Answer 46

rows of the periodic table, # of energy levels in an atom

Question 47

What does the 2 represent on 2s?

Answer 47

the energy level that the valence electrons are on

Question 48

Polar-Covalent bond

Answer 48

Atoms that are shared in a covalent bond but are unequal in electronegativities

Question 49

(squares with the 7's and upsidedown 7's) What does each box represent?

Answer 49

An orbital

Question 50

(squares with the 7's and upsidedown 7's) What do the marks inside the boxes represent?

Answer 50

electrons in that orbit

Question 51

(squares with the 7's and upsidedown 7's) where do additional electrons go?

Answer 51

fill into p orbitals

Question 52

oxidation

Answer 52

electron loss

Question 53

reduction

Answer 53

electron gain (reduces charge)(it has an additional NEGATIVE charge)

Question 54

what kind of reactions result in ions?

Answer 54

Redox reactions

Question 55

What is a redox reaction?

Answer 55

an oxidation-reduction-reaction