Q.10 A metal X (Ato.no.19 ) burns in Chlorine to produce a white solid4. chloride Y. by
means of diagram illustrate the arrangement of electron in X before and after the reaction
Answers
Explanation:
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),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.
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ANSWER
a) X belongs to Group 17 and 3rd period
Y belongs to Group 2 and 4th period
b) X-Non-metal and Y metal
c) Basic oxide; Ionic bonding
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