topic 1b - the periodic table (2. the modern periodic table) Flashcards
1
Q
what is the periodic table
A
contains all the known elements (around 100)
2
Q
how is the table laid out
A
increasing atomic number
3
Q
what are the vertical columns called
A
groups
4
Q
what are the horizontal rows called
A
periods
5
Q
where are metals generally found on the periodic table
A
left
6
Q
where are non metals generally found
A
right
7
Q
what does the period number tell you
A
how many shells there are
8
Q
what does the group number tell you
A
how many electrons there are on the outer shell
