question archive 1) which of the following has the greatest ionic radius? Mg2+ Mg Mg- Mg+ Mg2- 2)which answer choice shows the atoms/ions in order from most easily to least easily oxidized? Group of answer choices Si, Ca, O, Cu, Cs Si, O, Cu, Cs, Ca O, Si, Cu, Ca, Cs Cs, Ca, Cu, Si, O Ca, Cs, Cu, Si, O 3)Which of the following electron configurations is/are an excited state atom? choose all that apply
1) which of the following has the greatest ionic radius? Mg2+ Mg Mg- Mg+ Mg2- 2)which answer choice shows the atoms/ions in order from most easily to least easily oxidized? Group of answer choices Si, Ca, O, Cu, Cs Si, O, Cu, Cs, Ca O, Si, Cu, Ca, Cs Cs, Ca, Cu, Si, O Ca, Cs, Cu, Si, O 3)Which of the following electron configurations is/are an excited state atom? choose all that apply
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1) which of the following has the greatest ionic radius? Mg2+ Mg Mg- Mg+ Mg2-
2)which answer choice shows the atoms/ions in order from most easily to least easily oxidized?
Group of answer choices
Si, Ca, O, Cu, Cs
Si, O, Cu, Cs, Ca
O, Si, Cu, Ca, Cs
Cs, Ca, Cu, Si, O
Ca, Cs, Cu, Si, O
3)Which of the following electron configurations is/are an excited state atom? choose all that apply.
Group of answer choices
1s22s22p63s23p63d5
1s22s22p63s23p3
1s22s22p63s23p64s25p1
1s22s22p63s23p64s13d6
1s22s22p63s23p64s23d1
1s22s22p63s23p5
4)The following is the electron configuration of what atom/ion? choose all that apply.
1s22s22p63s23p4
Group of answer choices
P-
Ar
Cl-
S
P+
Cl+
5)Which of the following transitions absorbs energy having the highest frequency?
Group of answer choices
n=5 to n=1
n=2 to n=5
n=10 to n=11
n=4 to n=1
n=2 to n=3
n=5 to n=8
6)Which of the following transitions absorbs energy having the shortest wavelength?
Group of answer choices
n=2 to n=5
n=5 to n=1
n=5 to n=8
n=10 to n=11
n=4 to n=1
n=2 to n=3
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1) which of the following has the greatest ionic radius? Mg2+ Mg Mg- Mg+ Mg2-
Cations are larger than the neutral parent atom because electrons have been lost while anions are larger because electrons have been gained. Mg2- has lost the most electrons so it is the smallest
2)which answer choice shows the atoms/ions in order from most easily to least easily oxidized?
Group of answer choices
Si, Ca, O, Cu, Cs
Si, O, Cu, Cs, Ca
O, Si, Cu, Ca, Cs
Cs, Ca, Cu, Si, O
Ca, Cs, Cu, Si, O
Cesium most readily loses electrons while oxygen is more likely to be reduced, not oxidized.
3)Which of the following electron configurations is/are an excited state atom? choose all that apply.
Group of answer choices
1s22s22p63s23p63d5
1s22s22p63s23p3
1s22s22p63s23p64s25p1
1s22s22p63s23p64s13d6
1s22s22p63s23p64s23d1
1s22s22p63s23p5
An excited state shows electrons in a higher energy orbital before a lower energy orbital is completely full.
4)The following is the electron configuration of what atom/ion? choose all that apply.
1s22s22p63s23p4
Group of answer choices
P-
Ar
Cl-
S
P+
Cl+
This atom or ion must have a total of 16 electrons.
5)Which of the following transitions absorbs energy having the highest frequency?
Group of answer choices
n=5 to n=1
n=2 to n=5
n=10 to n=11
n=4 to n=1
n=2 to n=3
n=5 to n=8
When energy is absorbed, the electron transitions to a higher energy level. The highest frequency energy will lead to the transition where there is the greatest difference in energy.
6)Which of the following transitions absorbs energy having the shortest wavelength?
Group of answer choices
n=2 to n=5
n=5 to n=1
n=5 to n=8
n=10 to n=11
n=4 to n=1
n=2 to n=3
When energy is absorbed, the electron transitions to a higher energy level. Energy and wavelength are inversely related so the shortest wavelength will lead the transition where there is the greatest difference in energy. This is asking the same thing as the previous question in a different way.
