fundamental particles

Question 1

Protons and neutrons are sometimes called what as they make up nucleus

Answer 1

nucleons

Question 2

proton mass and charge

Answer 2

1 and 1+

Question 3

electron mass and charge

Answer 3

-1 and 1/1840

Question 4

neutron mass and charge

Answer 4

1 and 0

Question 5

Why are relative values used for subatomic particles

Answer 5

easy to compare and weight would be to small

Question 6

what is a element , compound and mixture , molecule

Answer 6

element is a substance made up of one atom

compound - a substance made up of 2 or more elements chemically combined / bonded

mixture- A mixture contains two or more substances not chemically combined together

A molecule is a particle that consists of two or more atoms chemically bonded together

Question 7

Protons and neutrons held together by

Answer 7

strong nuclear force

Question 8

What is the attraction between protons and electrons called and how does it compare to nuclear force

Answer 8

electrostatic attraction hold protons and electrons and is weaker than strong nuclear force which which overcomes repulsion between protons in nucleus but only acts at short differences

Question 9

Where are electrons found

Answer 9

On a series of levels , orbits or shells