Chem Unit 2.2 -- Periodic Table Flashcards
1
Q
Which group do alkali metals belong in?
A
group 1
2
Q
Which group do alkali earth metals belong in?
A
group 2
3
Q
Which group do halogens belong in?
A
group 17
4
Q
Which group do noble gasses belong in?
A
group 18
5
Q
atomic number indicates…
A
of protons
6
Q
what info can we get from the atomic mass?
A
number in the bottom right-hand corner.
number of protons + number of neutrons equals atomic mass.
7
Q
how to find the ion charge?
A
number of protons – number of neutrons
