Position of three elements A , B and C in Periodic Table are shown below Group 16 Group 17 - -

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Periodic Classification of Elements

medium

The position of three elements $A$, $B$ and $C$ in the Periodic Table are shown below

Group $16$ Group $17$

- -

- $A$

- -

$B$ $C$

$(a)$ Will $C$ be larger or smaller in size than $B$ ?

$(b) $ Which type of ion, cation or anion, will be formed by element $A$ ?

Option A

Option B

Option C

Option D

Solution

$(a)$ $C$ will be smaller in size than $B$ as moving across a period, the nuclear charge increases and therefore, electrons come closer to the nucleus.

$(b)$ $A$ will form an anion as it accepts an electron to complete its octet.

Standard 10

Science

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Group $16$	Group $17$
-	-
-	$A$
-	-
$B$	$C$

The position of three elements $A$, $B$ and $C$ in the Periodic Table are shown below Group $16$ Group $17$ - - - $A$ - - $B$ $C$ $(a)$ Will $C$ be larger or smaller in size than $B$ ? $(b) $ Which type of ion, cation or anion, will be formed by element $A$ ?

Solution

Similar Questions

What were the limitations of Dobereiner’s classification ?

What were the criteria used by Mendeléev in creating his Periodic Table ?

Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common ?

In the Modern Periodic Table, calcium (atomic number $20$) is surrounded by elements with atomic numbers $12$, $19$, $21$ and $38$. Which of these have physical and chemical properties resembling calcium?

By considering their position in the Periodic Table, which one of the following elements would you expect to have maximum metallic characteristic ? $Ga$ $Ge$ $As$ $Se$ $Be$

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The position of three elements $A$, $B$ and $C$ in the Periodic Table are shown below

Group $16$ Group $17$

- -

- $A$

- -

$B$ $C$

$(a)$ Will $C$ be larger or smaller in size than $B$ ?

$(b) $ Which type of ion, cation or anion, will be formed by element $A$ ?

By considering their position in the Periodic Table, which one of the following elements would you expect to have maximum metallic characteristic ?

$Ga$ $Ge$ $As$ $Se$ $Be$