Which of the following is correct pair of elements and its symbol?
Sodium - So
Potassium - Pt
Silver - Si
Sulphur - S
The symbol of sodium is Na, silver is Ag, potassium is K and sulphur is S.
Which of the following elements is a metalloid ?
(a) sodium
(b) sulphur
(c) silicon
(d) silver
State the chemical symbols for the following elements:
Sodium, Potassium, Iron, Copper, Mercury, Silver.