2nd Qt.

Question 1

max valence electrons

Answer 1

8

Question 2

wheres is the valence found?

Answer 2

in the outermost shell

Question 3

more electrons near the nucleus (atomic theory)

Answer 3

quantum mechanical model

Question 4

a.k.a. cloud model

Answer 4

quantum mechanical model

Question 5

positive nucleus

Answer 5

rutherford’s atomic model

Question 6

small spheres with diff properties per element

Answer 6

john dalton’s atomic theory

Question 7

plum pudding model (cookie model)

Answer 7

jj thompsons atomic theory

Question 8

planetary model

Answer 8

Bohr’s atomic model

Question 9

transfer of electrons

Answer 9

Ionic bond

Question 10

sharing of electrons

Answer 10

covalent bonds

Question 11

protons floating in a sea of electrons

Answer 11

metallic bond

Question 12

metals (lose or gain)

Answer 12

lose

Question 13

why do ionic bonds have high melting points?

Answer 13

because they have strong attraction (requires more heat to melt)

Question 14

nonmetals (lose or gain)

Answer 14

gain

Question 15

properties of metals

Answer 15

solid, conductors, smooth, malleable, ductile (can turn into wires)

Question 16

properties of non metals

Answer 16

liquid/gas, insulator, brittle, no luster

Question 17

how many bonds does covalent have?

Answer 17

3 (single, double, triple bonds)

Question 18

the heat required to melt a single mole of solid under constant pressure

Answer 18

enthalpy of fusion

Question 19

the required to vaporize one mole of liquid under constant pressure

Answer 19

enthalpy of vaporazition

Question 20

T/F: Ionic compounds can conduct electricity

Answer 20

True, when submerged in saltwater solution

Question 21

type of bond that exists between 2 nonmetals

Answer 21

covalent

Question 22

type of bond that exists between a metal and a nonmetal

Answer 22

ionic

Question 23

type of bond that exists between 2 metals

Answer 23

metallic

Question 24

properties of ionic bonds

Answer 24

Hard and brittle, can conduct electricity (on saltwater), form crystals, high melting/boiling points

Question 25

properties of covalent compounds

Answer 25

low melting points, soft, not conductors, less soluble in water

Question 26

types of covalent bonds

Answer 26

nonpolar (equal sharing), polar (unequal sharing of electrons)

Question 27

greater than 2.0

Answer 27

ionic bond

Question 28

0.4 - 2.0

Answer 28

polar covalent bond

Question 29

less than 0.4

Answer 29

nonpolar covalent bond

Question 30

combined metals (product of metallic bonds)

Answer 30

alloys

Question 31

atoms that are free to move

Answer 31

delocalized electrons

Question 32

T/F: metallic bonds are held together by strong forces of attraction

Answer 32

True

Question 33

An element with a crystal structure that has an atomic no. of 6, and is solid

Answer 33

Carbon

Question 34

compounds that only contain hydrogen and carbon (eg: fossil fuels)

Answer 34

Hydrocarbons

Question 35

compounds that have a carbon bond or link

Answer 35

Organic compounds

Question 36

carbon in diff forms are called:

Answer 36

Allotropes

Question 37

Allotropes of carbon

Answer 37

Amorphous, graphite, diamond, white carbon

Question 38

free reactive carbons w/ no crystalline structure (paints, inks, rubber products)

Answer 38

Amorphous

Question 39

squeezed graphite under tremendous temperature and pressure (jewelry)

Answer 39

diamond

Question 40

a.k.a. Chaoite, can split 2 beams of light through birefringence

Answer 40

White carbon/chaoite

Question 41

diff carbons

Answer 41

hydrocarbons, organic compounds, allotropes of carbon

Question 42

Classes of organic compounds

Answer 42

``` hydrocarbons carboxylic acids alcohols aldehydes & ketones amines esters ethers ```

Question 43

classes of hydrocarbons

Answer 43

aromatic | aliphatic (straight chains/branches): alkanes, alkenes, alkynes, cycloalkanes

Question 44

simplest family of hydrocarbons (single bonds) eg: methane

Answer 44

Alkanes

Question 45

has rings eg: antibiotics, sugars, hormones...

Answer 45

cycloalkanes

Question 46

a. k.a. olefins (double bonds) | eg: ethene, industrial products

Answer 46

Alkenes

Question 47

Stable, sweet-smelling, carcinogenic hydrocarbons

Answer 47

Aromatic hydrocarbons

Question 48

pleasant smelling, colorless, volatile liquids

Answer 48

ethers

Question 49

T/F: carbon atoms↑ solubility of ethers↓

Answer 49

true

Question 50

potentially lethal by-products that may form in the blood

Answer 50

Ketones (ketosis)

Question 51

pleasant-smelling carboxylic acids

Answer 51

esters

Question 52

law that says: 1 mole = 6.022 x 10²³

Answer 52

Avogadro's Law

Question 53

colorless, odorless solids eg: dopamine

Answer 53

Amines

Question 54

``` mul = calculate the #of atoms/mol/ions div = calculate the # of moles ```

Answer 54

``` mul = calculate the #of atoms/mol/ions div = calculate the # of moles ```