Question

3.2 Which atom has the following electron configuration (a) 1s²2s²2p? (2) (b) 1s²2s²2p?3s²3p?4s² (2) 3.3 Give the electron configuration for each of the following using spdf notation (a) Al³? (2) (b) Cl (2) (c) Magnesium (2) 27 3.4 3.5 Place the following in order of increasing ionization energy: F, O and S. (3) What is the maximum number of electrons that can be identified with each of the following sets of quantum numbers? (a) n = 5 and l = 1 (2) (b) n = 7 and l = 5 (2) 3.6 Compare the elements Na, Mg, O and P (a) Which has the largest atomic radius (2) (b) Which has the most negative electron attachment enthalpy? (2) 3.7 Explain why the size of transitional metal atoms change very little across a period (3) [30] Total: [100]

          3.2
Which atom has the following electron configuration
(a) 1s²2s²2p?
(2)
(b) 1s²2s²2p?3s²3p?4s²
(2)
3.3
Give the electron configuration for each of the following using spdf notation
(a) Al³?
(2)
(b) Cl
(2)
(c) Magnesium
(2)
27
3.4
3.5
Place the following in order of increasing ionization energy: F, O and S.
(3)
What is the maximum number of electrons that can be identified with each of the
following sets of quantum numbers?
(a) n = 5 and l = 1
(2)
(b) n = 7 and l = 5
(2)
3.6
Compare the elements Na, Mg, O and P
(a) Which has the largest atomic radius
(2)
(b) Which has the most negative electron attachment enthalpy?
(2)
3.7
Explain why the size of transitional metal atoms change very little across a period
(3)
[30]
Total: [100]

3.2
Which atom has the following electron configuration
(a) 1s²2s²2p?
(2)
(b) 1s²2s²2p?3s²3p?4s²
(2)
3.3
Give the electron configuration for each of the following using spdf notation
(a) Al³?
(2)
(b) Cl
(2)
(c) Magnesium
(2)
27
3.4
3.5
Place the following in order of increasing ionization energy: F, O and S.
(3)
What is the maximum number of electrons that can be identified with each of the
following sets of quantum numbers?
(a) n = 5 and l = 1
(2)
(b) n = 7 and l = 5
(2)
3.6
Compare the elements Na, Mg, O and P
(a) Which has the largest atomic radius
(2)
(b) Which has the most negative electron attachment enthalpy?
(2)
3.7
Explain why the size of transitional metal atoms change very little across a period
(3)
[30]
Total: [100]

Added by Roberta W.

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