cemistry

Question 1

approximately how many atoms are there

Answer 1

150

Question 2

some ________ are made of ______ type of atom

Answer 2

substances atom

Question 3

________ _____ hold ____ tightly together in _______

Answer 3

chemical bonds, atoms, compounds

Question 4

most_____ are not ____ _____ making them _______

Answer 4

substances, pure elements, compounds

Question 5

an atom is made up of __ types of ______ _____

Answer 5

3, subatomic particles

Question 6

they are ________ they have a _____ charge. _______ are _______ charged. _________ are
_______ charged.

Answer 6

electrons, negative, neutrons, neutral
protons, positively

Question 7

a greek man named ______ said that atoms are indivisible _____
_____

Answer 7

democritus, solid spheres

Question 8

the next person ____ ____ proposed ______ idea of ______
____

Answer 8

john dalton, democritus, solid spheres

Question 9

then ______ ____ he then said that
they contained _______ _____ _____ atoms he called them ________ then had the _____ _____ ____

Answer 9

J.J Thomson, smaller negatively charged, electrons, plum pudding model

Question 10

also _____ _____ discovered that firing ____ at a _____ _____ of
____ then proposed the _______
_____

Answer 10

ernest rutherford, thin sheet of gold, nuclear model