Atomic Structure & The Periodic Table Flashcards
1
Q
Name the particles found in the nucleus of an atom
A
Protons & Neutrons
2
Q
What is the charge of a proton?
A
positive 1 or +1
3
Q
What is the charge of a neutron?
A
neutral or 0
4
Q
What is the charge of an electron?
A
negative 1 or -1
5
Q
What is the relative mass of a proton
A
1
6
Q
What is the relative mass of a neutron?
A
1
7
Q
What is the relative mass of an electron
A
0 or 1/2000 or negligible
8
Q
What is the overall charge of an atom?
A
Neutral or 0
9
Q
Why do atoms have a neutral charge?
A
because they have the same number of positive protons and negative electrons so the charge cancels out
