An element X (atomic number 17) reacts with an element Y (atomic number 20) to form a divalent halide.
(a) Where in the periodic table are elements X and Y placed?
(b) Classify X and Y as metal (s), non-metal (s) or metalloid (s).
(c) What will be the nature of oxide of element Y? Identify the nature of bonding in the compound formed.
(d) Draw the electron dot structure of the divalent halide.

AcademicChemistryNCERTClass 10

(a)X is in Group 17, period 3 and Y is in group 2 Period 4.

(b)X is Non-metal and Y is metal.

(c)Y\'s Oxide will be basic in nature as it is a metal. The nature of bonding in the compound formed is ionic bonding.
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(d) The electron dot structure of the divalent halide (calcium chloride) is shown below:
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Updated on 10-Oct-2022 13:28:24

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