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The first ionization potential of Na, Mg, A1, and Si are in the order a. Na A1 b. Na > Mg > A1 > Si c. Na Si d. Na > Mg > A1

The first ionization potential of Na, Mg, A1, and Si are in the order
a. Na < Mg > A1 < Si
b. Na > Mg > A1 > Si
c. Na < Mg < A1 > Si
d. Na > Mg > A1 < Si

Grade:10

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
8 years ago
Sol. Electronegativity increases from left to right in a period and decreases from top to bottom in a group. Variation is more rapid in group than in a period, hence, the desired order is : electronegativity : Si < P < C < N

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