A period is the horizontal row on the Periodic Table of the Elements.
Helium is in the first period 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.
Silver is in the period 5 and group 11 of the periodic table.
No , Iodine is placed in period-5 of the periodic table.
6th and 7th period are the longest period of the perodic table
the metals
Helium is in the first period 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.
Copper is located in period 4 of the periodic table.
Caesium is a Period 6 element.
Argon is in the third period of the modern periodic table.
Oxygen is in Period 2 , Group 16 ( VI A) of periodic table
Silver is in the period 5 and group 11 of the periodic table.
1st period.
Hydrogen is located on the first period; the first row in the periodic table.
No , Iodine is placed in period-5 of the periodic table.
Sulfur (S, element number 16) is on the third period of the periodic table.