C1.6 Structure Of the Atom Flashcards
1
Q
What is the relative charge of an electron?
A
-1
2
Q
What is the relative charge of a proton?
A
+1
3
Q
What is the relative charge of a neutron?
A
0
4
Q
What is the relative mass of an electron?
A
1/2000
5
Q
What is the relative mass of a proton?
A
1
6
Q
What is the relative mass of an neutron?
A
1
7
Q
Why do atoms have no overall charge?
A
This is because they contain equal numbers of positive protons and negative electrons. These opposite charges cancel each other out making the atom neutral.