Module 2: 2.1 atomic structure and isotopes Flashcards
atomic structure and isotopes 2.1.1
1
Q
relative mass of a proton
A
1
2
Q
relative mass of a neutron
A
1
3
Q
relative mass of an electron
A
1/1836
4
Q
charge of proton
A
+
5
Q
charge of neutron
A
-
6
Q
charge of proton
A
0
7
Q
define isotopes
A
atoms of the same element with the same numbers of protons and electrons but different number of neutrons
8
Q
how do isotopes differ in reaction
A
there is no difference. They react in the same way
9
Q
what are cations
A
positive ions
10
Q
what are anions
A
negative ions
