Q15 of 56 Page 83

The chemical symbol for sodium is:

The chemical symbol of sodium is Na. The symbol of sodium was taken from its Latin name “natrium”.

More from this chapter

All 56 →
13

The molecular formula of aluminium sulphate is:

 14

The chemical symbol for nitrogen gas is:

 16

Which of the following correctly represents 360 g of water?

i. 2 moles of H2O


ii. 20 moles of water


iii. 6.022 x 1023 molecules of water


iv. 1.2044 x 1025 molecules of water

 17

Which of the following statements is true about an atom?