Chapter 1 Flashcards
(11 cards)
1
Q
atomic number
A
number of protons
2
Q
mass number
A
number of protons & neutrons
3
Q
neutron number
A
mass number - atomic number
4
Q
isotope
A
atoms with the same number of protons, but different neutrons and mass numbers
5
Q
group 1 classification
A
alkali metals
6
Q
group 2 classification
A
alkaline earth metals
7
Q
group 18 classification
A
noble gases
8
Q
anion
A
negatively charged ion
9
Q
cation
A
positively charged ion
10
Q
+1 charge means
A
1 less electron than protons
11
Q
formula for relative abundance
A
atomic mass on periodic table = isotope 1 mass (x) + isotope 2 mass (1-x)
