Elements on Periodic Table

What is the ATOMIC NUMBER of this element?

• 40.078

• Calcium

• 20

• Ca

What is the ATOMIC WEIGHT of this element?

• Tin

• 118.711

• Sn

• 50

What is the NAME of this element?

• Ga

• 31

• 69.723

• Gallium

What is the NAME of this element?

• Sn

• 118.711

• Tin

• 50

What is the ATOMIC WEIGHT of this element?

• 11

• Sodium

• Na

• 22.990

What is the symbol and atomic number of Hydrogen

What is the symbol and atomic number of Helium

What is the symbol and atomic number of Lithium

What is the symbol and atomic number of Beryllium

What is the symbol and atomic number of Boron