Term 2

Question 1

proton

Answer 1

subatomic particle with positive charge mass: 1 found inside nucleus

Question 2

neutron

Answer 2

subatomic particle with neutral charge mass: 1 found inside nucleus

Question 3

electron

Answer 3

subatomic particle with negative charge. mass: 1/1835 (negligible) found in shells orbiting nucleus

Question 4

Atomic number

Answer 4

the number in the bottom left of the element and is the amount of protons.

Question 5

atomic mass

Answer 5

the protons + neutrons making the total mass found in top right of element

Question 6

Isotope

Answer 6

isotopes are atoms of t he same element with the same atomic number but a different mass number

Question 7

what were mendeleaves 3 key features of the periodic table

Answer 7

he predicted future elements
he ordered them in atomic mass (now it is ordered in atomic number)
he switched the order of a few elements to keep groups consistent

Question 8

1st electron shell

Answer 8

can only hold 2 electron

Question 9

all electron shells other than 1st

Answer 9

can hold maximum of eight electrons

Question 10

group number is

Answer 10

the amount of electrons on last shell

Question 11

period number is

Answer 11

the amount of shells

Question 12

Meth
Eth
Prop
But
pent                                    monkeys eat pealed banana's
hex
hept
oct
non
dec

Answer 12

methane             c1h4                     
ethane                 c2h6
propane               c3h8
butane                c4h10
pentane               c5h12
hexane                c6h14
hept                   c7h16
octane               c8h18
nonane              c9h20
decane               c10h22

Question 13

general format of alkane

Answer 13

CnH2n+2

Question 14

general format of ethane

Answer 14

N=2 so C2H2x2= c2h4=2=c2h6