atomic structure and the periodic table

Question 1

what is the periodic table?

Answer 1

a list of all the elements

Question 2

who created the periodic table?

Answer 2

Dmitri Mendeleev

Question 3

how are elements are listed?

Answer 3

in order of atomic number

Question 4

what is a vertical column in the periodic table called?

Answer 4

a group

Question 5

what are the horizontal rows in the periodic table called?

Answer 5

a period

Question 6

where are the metals located in the periodic table?

Answer 6

the left-hand side

Question 7

where are the non-metals located in the periodic table?

Answer 7

the right-hand side

Question 8

why are the elements along the zig-zag line different?

Answer 8

they are metalliods and they have some properties of metals and some properties of non-metals

Question 9

name some properties of metals

Answer 9

good conductors of heat and electricity 
high melting and boiling points 
dense 
malleable
ductile 
sonorous 
shiny

Question 10

name some properties of non-metals

Answer 10

insulators of heat and electricity
low melting and boiling points
light weight
dull

Question 11

what are particles made up of?

Answer 11

subatomic particles

Question 12

what are subatomic particles known as?

Answer 12

protons
electrons
neutrons

Question 13

where are protons and neutrons founds?

Answer 13

in the nucleus

Question 14

where are electrons found?

Answer 14

in shells orbiting the nucleus

Question 15

what is a protons charge and mass number?

Answer 15

+1

1

Question 16

what is a neutrons charge and mass number?

Answer 16

0

1

Question 17

what is an electrons charge and mass number?

Answer 17

-1

0

Question 18

the number of protons in an atom is called the…

Answer 18

atomic number and is the bottom number

Question 19

the number of electrons is the same as the…

Answer 19

number of protons

Question 20

the number of neutrons =

Answer 20

mass number - atomic number

Question 21

what is the electronic configuration or structure?

Answer 21

writing or drawing the electrons in shells

Question 22

how many electrons are in the first shell?

Answer 22

2

Question 23

how many electrons are in the second shell?

Answer 23

8

Question 24

how many electrons are in the third shell?

Answer 24

8

Question 25

how many are in the fourth shell?

Answer 25

any remaining

Question 26

why do elements in the same groups react similarly?

Answer 26

they all have the same number of electrons in their outer shells

Question 27

how can you tell the group an element belongs to?

Answer 27

count the number of electrons in the outermost shell

Question 28

how to tell what period an element belongs to?

Answer 28

count the number of shells of electrons

Question 29

what is an element?

Answer 29

a substance that contains only 1 type of atom

Question 30

what is an atom?

Answer 30

a tiny partcal

Question 31

why are elements grouped together?

Answer 31

they have similar chemical properties

Question 32

what is a nucleus?

Answer 32

center of atom where protons and neutrons are

Question 33

what is an ion?

Answer 33

an atom with a charge

Question 34

when are positive ions formed?

Answer 34

when atoms lose elements

Question 35

when are negative ions formed?

Answer 35

when atoms gain electrons