Chemistry, asked by gurpreet7559, 8 months ago

an element x when combines with hydrogen forms XH2 . find its valency

Answers

Answered by Anonymous

Answer:

2 .......... mark as brainliest

Answered by ayeshakalam07

Explanation:

X will have a valancy of +1. An example of XH could be NaH (Sodium Hydride where Na has a valency of +1 and H has a valency of -1). Formula of X with nitrogen is X3N (that is 3 X and 1 N). Formula of X with oxygen is X2O (that is 2 X and 1 O).

hope it helps

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