Name an alkali metal in period $3$ and halogen in period $2$.

Important Questions on Periodic Table, Periodic Properties and Variations of Properties

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 18

Name the noble gas with three shells.

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 18

Name the non-metals present in period $2$ and metals in period $3$.

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 18

Name the element of period $3$ with valency $4$.

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10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 18

Name the element in period $3$ which does not form oxide.

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10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 18

The element of lower nuclear charge out of $\mathrm{Be}$ and $\mathrm{Mg}$ is

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 19

The electronic configuration of an element $\mathrm{T}$ is $2, 8, 8, 1$. What is the group number of $\mathrm{T}$?

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 19

The electronic configuration of an element $\mathrm{T}$ is $2, 8, 8, 1$. What is the period number of $\mathrm{T}$?

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 19

The electronic configuration of an element $\mathrm{T}$ is $2, 8, 8, 1$. How many valence electrons are there in an atom of $\mathrm{T}$?