MOD 9 - the building block of matter

Question 1

what takes up volume

Answer 1

matter

Question 2

matter exists in various states such as …

Answer 2

1 solid
2 liquid
3 gas
4 plasma

Question 3

define electron

Answer 3

a sub atomic particle with a negative charge

Question 4

define proton

Answer 4

a sub atomic particle with a positive chrage

Question 5

define neutron

Answer 5

a sub atomic particle with no charge

Question 6

name 4 key elements in an element

Answer 6

1 element is a pure substance
2 an element cant be changed
3 each element is chemically unique
4 no elements have the same atoms

Question 7

define atomic number

Answer 7

numbers of protons in a nucleus

Question 8

define mass number

Answer 8

the number of protons and neutrons in the nucleus

Question 9

define atom

Answer 9

the smallest unit that makes up an element

Question 10

define element

Answer 10

a substance made of the same type of atoms

Question 11

define molecule

Answer 11

two or more substances that chemically bonded together

Question 12

define nucleus

Answer 12

central region of an atom consisting of protons and neutrons

Question 13

define neutron

Answer 13

neutral particles found in the nucleus of an atom

Question 14

define electron cloud

Answer 14

the space between the nucleus where electrons may be found