ATOMS

Question 1

Democretise

Answer 1

Atoms are tiny particles that make up everything

Question 2

dalton

Answer 2

hard sphere1

Question 3

jj thompson

Answer 3

cathode ray tube
plum pudding

Question 4

Earnest Rutherford

Answer 4

gold foil experiment, tried to prove empty space but he ended up discovering the nucleus
nuclear model

Question 5

neils bohr

Answer 5

planetary model
atoms come down from excited state give off spectra

Question 6

who came up with the model today and what is it called

Answer 6

everyone, wave mechanical model

Question 7

ground state

Answer 7

when the electrons occupy the lowest available orbitals

Question 8

excited state

Answer 8

when electrons are subjected to stimuli such as heat, light or electricity, an electron may absorb energy and temporarily move to a higher energy level

Question 9

Atomic theory

Answer 9

each element is composed of extemely small particles called atoms
atoms are neither created nor destroyed
a given compound always has the same relatice number kinds of atoms
all atoms of a given element are identical, but differ from these of any other element

Question 10

Atomic number

Answer 10

how many protons it has

Question 11

isotope

Answer 11

an element with a different number of neutrons a different mass

Question 12

ion

Answer 12

atom with a charge and changes electrons

Question 13

outer shell is called the

Answer 13

valance electrons

Question 14

sig figs

Answer 14

significant figures

Question 15

King henry died by drinking chocolate milk

Answer 15

k-10,000,000
h-100,0000
d-10,0000
b-1,0000
d-1000
c-100
m-10