Q2 of 49 Page 19

Which of the following statements is not true about an atom?

Atoms form molecules and ions. These molecules or ions aggregate in large numbers to form the matter that we can see, feel or touch. Atoms are always neutral in nature.

More from this chapter

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1

Which of the following correctly represents 360 g of water?

(i) 2 moles of H2O


(ii) 20 moles of water


(iii) 6.022 × 1023 molecules of water


(iv) 1.2044×1025 molecules of water

 3

The chemical symbol for nitrogen gas is

 4

The chemical symbol for sodium is

 5

Which of the following would weigh the highest?