4
Be
Berllyium
if im correct.......
It is the sodium metal. it is in the 2nd period.
it is about sodium. It is in the 2nd period.
Caesium [Cs]
Rubidium Matey
sodium
Lithium.
Lithium.
Potassium
This is the group 1, the alkali metals.
an alkali metal
Caesium is an alkali metal, placed in period 6, group 1 of the periodic table of Mendeleev; the atomic number is 55.
On the first two columns of the table, i.e., Magnesium, Potassium, Sodium, Calcium,..
Potassium
Francium is amrmber of the alkali metal familiy (group 1 in the Periodic Table of Mendeleev): Li, Na, K, Rb, Cs, Fr.
vagina
This is the group 1, the alkali metals.
an alkali metal
Lithium is the first alkali metal.
Sodium is a metal in Group 1 and Period 3 of the Periodic table. It is an alkali-metal.
Sodium (Na) is Group 1, Period 3
Sodium is an Alkali metal. Elements in the center of the periodic table are transition metals.
The first element in a period is an alkali metal.
Yes , Fr is an alkali metal. It is placed in group-1
Hydrogen is a non-metal; it's in group VII