Elements
Beryllium-
It is a hard grey metal and that is also a chemical element number 4.
Symbol:Be
Magnesium-
A chemical element and that is a sliver white metal.
Symbol:Mg
Calcium-
It is a soft grey metal of the atomic number 20 and also a chemical element.
Symbol:Ca
It is a hard grey metal and that is also a chemical element number 4.
Symbol:Be
Magnesium-
A chemical element and that is a sliver white metal.
Symbol:Mg
Calcium-
It is a soft grey metal of the atomic number 20 and also a chemical element.
Symbol:Ca
Strontium-
A chemical element that is a soft sliver-white metal with the atomic number 38.
Symbol:Sr
Barium-
Is a chemical element that is a soft silvery metal with the symbol Ba.
Radium-
A chemical element and it a rare radioactive metal with the atomic number 88
Symbol:Ra
A chemical element that is a soft sliver-white metal with the atomic number 38.
Symbol:Sr
Barium-
Is a chemical element that is a soft silvery metal with the symbol Ba.
Radium-
A chemical element and it a rare radioactive metal with the atomic number 88
Symbol:Ra