Which of the following corresponds to the configuration `1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)` ?

Which of the following corresponds to the configuration `1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)` ?
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Which of the following corresponds to the configuration `1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)` ? A. He B. Na C. Mg D. Ar
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What equations are equivalent to 3p(p plus 2)?

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Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is A. pt = 3H3p/2 Z5 B. pt = 2H3p/3 Z5 C. pt = 3H3p/2Z5 D. pt = 2 3p/3Z5

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If α , β are the zeroes of f(x) = px 2 – 2x + 3p and α + β = αβ then the value of p is: (a) 1/3 (b) -2/3 (c) 2/3 (d) -1/3

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