An atom of an element has an electronic configuration of $2, 8, 1$. Which of the following statements is correct?
- AThe element's valency is $7$
- BThe element exists as a diatomic molecule
- CThe element is of non-metallic nature
- DThe element forms a basic oxide
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Which one of the following orders presents the correct sequence of the increasing basic nature of the given oxides?
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View SolutionMatch the oxide given in column $A$ with its property given in column $B$.
Column $A$
Column $B$
$(i) \; Na_{2}O$
$(a) \; Neutral$
$(ii) \; Al_{2}O_{3}$
$(b) \; Basic$
$(iii) \; N_{2}O$
$(c) \; Acidic$
$(iv) \; Cl_{2}O_{7}$
$(d) \; Amphoteric$
Which of the following options has all correct pairs?
| Column $A$ | Column $B$ |
| $(i) \; Na_{2}O$ | $(a) \; Neutral$ |
| $(ii) \; Al_{2}O_{3}$ | $(b) \; Basic$ |
| $(iii) \; N_{2}O$ | $(c) \; Acidic$ |
| $(iv) \; Cl_{2}O_{7}$ | $(d) \; Amphoteric$ |
Which of the following options has all correct pairs?
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