Which of the following element has least number of electrons in its M-shell?
Anonymous Quiz
34%
K
26%
Mn
28%
Si
11%
None
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In the ground state, an element has 13 electrons in its M-shell. The element is_____.
Anonymous Quiz
20%
Copper
54%
Chromium
15%
Nickel
11%
Iron
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The displacement in metres of a body varies with time t in second as y = t2 β t β 2. The displacement is zero for a positive of t equal to
Anonymous Quiz
20%
1s
39%
2s
29%
3s
12%
4s
π2
A boy starts from a point A, travels to a point B at a distance of 3 km from A and returns to A. If he takes two hours to do so, his speed is
Anonymous Quiz
4%
1km/h
34%
1.5 km/h
26%
2.5km/h
35%
3 km/h
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In the ground state, an element has 13 electrons in its M-shell. The element is_____.
Anonymous Quiz
19%
Copper
49%
Chromium
24%
Nickel
7%
Iron
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Consider the ground state of Cr atom (Z = 24). The numbers of electrons with the azimuthal quantum numbers, l = 1 and 2 are, respectively:
Anonymous Quiz
30%
12 and 4
43%
12 and 5
21%
9 and 4
5%
9 and 5
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The number of nodal planes present in s Γ s antibonding orbitals is
Anonymous Quiz
18%
1
44%
2
31%
0
7%
3
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Addd (0.001+0.02) upto correct number of significant figures
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39%
0.021
29%
0.02
26%
0.03
7%
0.001
π6
π₯°4
π₯7
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A given solution of naoh contain 4.00g of naoh per liter of solutions calculate the molarity
Anonymous Quiz
31%
0.1M
25%
1.0M
37%
0.2M
7%
2.0M
π4