the periodic table Flashcards
1
Q
what is C?
A
carbon
2
Q
what is Fe?
A
iron
3
Q
what is O?
A
oygen
4
Q
what is the name of the vertical columns of the periodic table?
A
groups
5
Q
what is similar between the elements in the same group?
A
the all have the same number of electrons on their outer shell.
6
Q
if elements have a full outer shell what does this mean?
A
that they are stable and unreactive
7
Q
what is the top number next to the element in the table?
A
the mass number. (number of protons and neutrons)
8
Q
what is the bottom number next to the element in the table?
A
the atomic number. (number of protons and electrons)