Which of the following statements is not true about an atom?
- AAtoms are the basic units from which molecules and ions are formed.
- BAtoms are not able to exist independently.
- CAtoms are always neutral in nature.
- DAtoms aggregate in large numbers to form the matter that we can see, feel or touch.
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Similar Questions
The visible universe is estimated to contain $10^{22}$ stars. How many moles of stars are present in the visible universe?
Easy
View Solution$(a)$ Define atomicity.
$(b)$ State the atomicity of the following molecules:
$(i)$ Oxygen,$(ii)$ Phosphorus,$(iii)$ Sulphur,$(iv)$ Argon.
$(b)$ State the atomicity of the following molecules:
$(i)$ Oxygen,$(ii)$ Phosphorus,$(iii)$ Sulphur,$(iv)$ Argon.
Medium
View Solution$(i)$ Name the body which approves the nomenclature of elements and compounds.
$(ii)$ The symbol of sodium is written as $Na$ and not as $S$. Give reason.
$(iii)$ Name one element which forms diatomic and one which forms tetraatomic molecules.
$(ii)$ The symbol of sodium is written as $Na$ and not as $S$. Give reason.
$(iii)$ Name one element which forms diatomic and one which forms tetraatomic molecules.
Medium
View SolutionThe difference in the mass of $100 \, mol$ each of sodium atoms and sodium ions is $5.48002 \, g$. Compute the mass of an electron.
Medium
View SolutionIdentify the cations and anions present (if any) in the following compounds:
$(a)$ $CH_3COONa$
$(b)$ $NaCl$
$(c)$ $H_2$
$(d)$ $NH_4NO_3$
$(a)$ $CH_3COONa$
$(b)$ $NaCl$
$(c)$ $H_2$
$(d)$ $NH_4NO_3$
Medium
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