science test Flashcards
1
Q
what are protons
A
+
2
Q
what are neutrons
A
no charge
3
Q
what are electrons
A
-
4
Q
where are electrons locted
A
on the out side of the nucleus
5
Q
where are the neutrons locted
A
in side the nucleus
6
Q
where are the protons locted
A
inside the nucleus
7
Q
what does APE stand for
A
A atomic number =
P protons =
E electrons
8
Q
what does MAN stand for
A
M mass -
A atomic number =
neutrons
9
Q
What is the top number called
A
atomic number
10
Q
What is does the 2 letters repersent
A
element symbol
