Atoms Quiz Flashcards
0
Q
Strong force
A
Oppose electromagnetic force of the repulsion between protons; keeps protons together to form the nucleus
1
Q
Three forces
A
Strong
Weak
Gravity
2
Q
Weak force
A
Stabilizes particles(neutron)
3
Q
Gravity force
A
Weakest
4
Q
Mass of protons
A
1amu
5
Q
Mass of neutron
A
1amu
6
Q
Mass of electron
A
1/1836 amu
7
Q
Charge if proton
A
+
8
Q
Charge of neutron
A
Neutral
9
Q
Charge of electron
A
-
10
Q
Neutral atoms
A
A small piece of matter that is composed of protons neurons and electrons
11
Q
Ions
A
Formed when atoms gain or lose electrons
Anion -
Cation +
12
Q
Isotope
A
Same # of protons and electrons; diff # of neutrons
13
Q
Isotope mass
A
Can change from neutral atom because neutrons are heavier than electrons
