SuperCoaching AE/JE by Testbook
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Which element has the electron configuration [Ar]4s²3d⁶?
Anonymous Quiz
14%
Iron
42%
Nickel
33%
Cobalt
11%
Manganese
1
A planet has twice Earth's radius but the same density. What's its surface gravity relative to Earth's (g)?
Anonymous Quiz
34%
g/2
40%
2g
16%
4g
10%
g
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21st Sep, Sunday @11AM
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3
Which element has the highest electronegativity?
Anonymous Quiz
44%
Fluorine
22%
Oxygen
28%
Chlorine
7%
Nitrogen
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👏1
Which element has the lowest electronegativity?
Anonymous Quiz
35%
Fluorine
23%
Cesium
29%
Oxygen
13%
Chlorine
3
Which molecule has the largest dipole moment?
Anonymous Quiz
15%
CO2
48%
H2O
26%
BF3
11%
CH4
What is the derivative of 3x² + 2x - 1?
Anonymous Quiz
9%
3x + 2
70%
6x + 2
14%
6x - 1
7%
x³ + x² - x
What is the derivative of f(x) = x²sin(x)?
Anonymous Quiz
19%
2xcos(x)
69%
2xsin(x) + x²cos(x)
5%
x²cos(x)
6%
2cos(x) - x²sin(x)
2
If f(x) + 2f(1/x) = 3x, then f(2) = ?
Anonymous Quiz
22%
5/2
37%
1
34%
4
8%
7/2