PRE-TEST SECOND QUARTER
Quiz by Jhoanne Morelos
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- Q1
The spin quantum number of an electron can be thought of as describing _______
the number of revolutions the electron makes about the nucleus per second
whether the electron's charge is positive or negative.
the direction of electron spin.
the electron's exact location in orbit.
30s - Q2
How many electrons from the outermost shell does a 4s orbital possess?
4
5
3
2
30s - Q3
Which set of quantum numbers uniquely defines one of the electrons in an atomic orbital with n = 2 and l = 0?
n = 2, l = 0, ml = 0, ms = +1
n = 2, l = 0, ml = 1, ms = +½
n = 2, l = 0, ml = 0, ms = +½
n = 2, l = 0, ml = 1, ms = +1
30s - Q4
What is the electron configuration for nitrogen, atomic number 7?
1s 22s2 2p3
1s2 2s2 2p1
1s2 2s3 2p2
1s2 2s2 2p2 3s1
30s - Q5
Which of these d-orbitals contains both paired and unpaired electrons?
30s
