The atomic number of an element x is 19

Asked by admin @ in CBSE BOARD X viewed by 322 People

The atomic number of an element ‘X’ is 19. (a) Write its electronic configuration. (b) To which period of the Modern Periodic Table does it belong and what is its valency ? (c) If ‘X’ burns in oxygen to form its oxide, what will be its nature — acidic, basic or neutral ? (d) Write balanced chemical equation for the reaction when this oxide is dissolved in water.

Answered by admin @


A] potassium
b] 4 th period , valency= 1
c]basic
d] I don't know plz let me know if you have found out.

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