Intro To Atoms, Atomic Theory And The Periodic Table

Front 1

What is the atomic number

Back 1

the number of protons

Front 2

isotopes

Back 2

differnt forms of the same element

Front 3

what is atomic mass

Back 3

the average of all of the differnt masses of a perticular elemeent

Front 4

who were the six people that we studid when we learned about this history of the atomic model in order

Back 4

democratis, John dalton, jj thimson,rjtherford,bohr,Chadwick

Front 5

What is the maximum orbit of:

1st orbit

2nd orbit

3rd orbit

Back 5

2, 8, 18

Front 6

Explian why ecah element can be indentfied by a specidic color or bands of color

Back 6

Every element has its own specific line spectrum

Front 7

Catoin

Back 7

positive ion

Front 8

Anion

Back 8

negative ion

Front 9

What did Mendeleev do?

Back 9

Russian Chemist 1863

Organized delemnts in rows by increasing atomic masses the grouped elemts together with similar characterisics in the same colum

-left empty spaces

Front 10

Henry Moseley

Back 10

English phisysit

changed meendelev by atomic number

Front 11

perodic law

Back 11

repeating chemical and physical property of elements chnge periodically with the atomic number of elements

Front 12

DEmotrius

Back 12

-World was made up of invisbale units called atoms

-atoms= undividable

-O

Front 13

John Dalton

Back 13

-atom look like a solid round sphere

-wrote 1s atomic theory

-every element was made up of tiny particles called atoms

-atoms of same element are eact same

-atoms can be bonded together to form a molecule

Front 14

JJ Thomson

Back 14

*discovered electrons

-discovered atoms have positive and negative charges

-Postive materuals with negative stuff stuck inside

-plum pudding model

Front 15

Ernest Rutherford

Back 15

-gold foil experiment

-found nuclues (proton)

-atoms were mostly empty space

Rutherford experiment

Front 16

Neils Bohr

Back 16

-electrons orbit around the nucleus in set paths

-planetary model

Front 17

James Chadwhick

Back 17

-Discovered Nuetron

-Nuetron doesnt't affect the charge

Front 18

WHat does metals valance do

Back 18

lose valance electrons

Front 19

where are metals located

Back 19

to the left of the stair step line

Front 20

Metals are good conductors of..

Back 20

heat and electricty

Front 21

what are metals at room temperature

Back 21

solid

Front 22

what is the execption

Back 22

mercury

Front 23

Luster

Back 23

shines or reflects light

Front 24

Nonmetals tend to valance

Back 24

gain valance elctrons

Front 25

where are non metals found

Back 25

right of the stair step line expect hydrogen

Front 26

What metilloids nickname

Back 26

semi conductors

Front 27

where are the noble gasses found on the periodic table

Back 27

column 18 - far right

Front 28

where can you find transition metals

Back 28

3-12 - middle

Front 29

what is the atomic number

Back 29

thhe number of protons

Front 30

How did Meendelv group elements in his version of the periodic table

Back 30

In rows according to increasing atomic mass

Front 31

noble gas

Back 31

unreactive elemets found to the very right of the periodic table

Front 32

period

Back 32

rows -> atomic number

Front 33

Group

Back 33

columns -> valance

Front 34

where are tranisition metals found on the periodic table

Back 34

in the middle of the periodic table

Front 35

what is the only non metal that is liquid at room tempterature

Back 35

mercury

Front 36

what is an element

Back 36

a substance made up of only one type of atom

Front 37

atomic number

Back 37

number of protons

Front 38

atomic mass

Back 38

number of protons+ neutrons