Groups are columns
Periods are rows
In the Periodic Table of elements, groups are the columns, numbered 1-18 OR 1-8 (note that the 8th group in the latter of the 2 formats is called group 0).
They are the SAME THING
A period are the rows going across on a periodic table, a group is the rows going up and down. there is no relation in them.
carbon (group 14, period 2) hydrogen (group 1, period 1) nitrogen (group 15, period 2) oxygen (group 16, period 2) sulphur (group 16, period 3) halogens (group 17, period 2-5)
Group number 12, period number 4 Transition metal
Calcium is present in period 4. its group no. is 2
The size
Nothing.
52
3.0 is better than 2.0
I've never heard of phatmocology
They are the SAME THING
what is the differenc
One is a fish, the other a fruit.ejd
A river has a v and an i in it and a stream has a t and a s and a m in it. !
what is differenc between high relief and normal relief
The differenc between a spacecraft and spaceship are none. There isn't any difference between a spacecraft and spaceship.
what element is found between period 2 and group 14