1st period.
The smallest class of the periodic table would be the semi-metals, or metalloids. The second biggest group would be the nonmetals. The largest group would be the metals.
''Mercury (shortest),''Neptune (longest)
germinal period
the shortest geologic time interval is a period.
The answer is Mercury.
the metals
A period.
A period on the periodic table is a row.This is the horizontal section of the periodic table.
No. Xenon is not the first period of the periodic table. It is placed in the 5th period of periodic table.
False they have the shortest wavelength (period)
A period is the horizontal row on the Periodic Table of the Elements.
6th and 7th period are the longest period of the perodic table