come on poopy face lets study HARDER!!!!!

Question 1

What do the four groups on the P.T be

Answer 1

Alkali Metals, Alkaline Earth Metals, Halogens and Noble Gases

Question 2

What’s the formula for finding neutrons?

Answer 2

Atomic Mass minus Atomic Number equals Neutron hehhe

Question 3

How did Mendeleev order the elements

Answer 3

He ordered it by increasing atomic mass

Question 4

bru who even is Mendeleev

Answer 4

He is credited with organizing the elements which led to him technically making the first ever periodic table.

Question 5

how many periods are there?!

Answer 5

SEVEN!!!

Question 6

How many collumns are there?!

Answer 6

EIGHT-TEEN!!!!

Question 7

whats the outermost shell called and what are the electrons on aforementioned shell called?

Answer 7

Valence shell, valence electrons.

Question 8

What are atoms made up of?

Answer 8

Atoms are made up of 3 subatomic particles, the electron, proton, and nuetron.

Question 9

Do electrons and protons have the same number?

Answer 9

Yessir

Question 10

what is an atom?

Answer 10

smallest part of a substance that cant be broken down any further (Democritus said it was indivisible.)

Question 11

What are isotopes?

Answer 11

Isotopes are when the number of neutrons in the same element differ from eachother.

Question 12

what collumn are the noble gases located?

Answer 12

collumb 18

Question 13

Alkali metals are located on what collumn?

Answer 13

collunm 1

Question 14

Alkaline earth metals located on what collumn?

Answer 14

2

Question 15

hollogens located what collumn?

Answer 15

17

Question 16

name like 3 of rhe guys who contridbuted to the P.T and how

Answer 16

Democritus he literally discovered atoms, Chadwick is responsible for discovering electrons, Dalton came up with atomic theoru