Question

2. Compared to the energy of an electron in the second

shell of an atom of sulfur, the energy of an electron in
the
(A) first shell is lower
(B) first shell is the same
(C) third shell is lower
(D) third shell is the same
3. An orbital is defined as a region of the most probable
location of
(A) an electron
(B) a neutron
(C) a nucleus
(D) a proton
4. Which atom in the ground state has an outermost
electron with the most energy?
(A) Cs (B) K
(C) Li
(D) Na

Answer 1

The energy of an electron depends on its shell position, orbitals represent the location of electrons, and Cesium has the outermost electron with the most energy.

Step-by-step explanation:

2. Compared to the energy of an electron in the second shell of an atom of sulfur, the energy of an electron in the first shell is lower. Electrons in higher energy shells are farther from the nucleus and experience less electrostatic attraction, so they have higher energy.

3. An orbital is defined as a region of the most probable location of an electron. Orbitals represent the three-dimensional space around the nucleus where an electron is likely to be found.

4. The atom in the ground state with the outermost electron having the most energy is Cs (Cesium). Cesium has the largest atomic number and is located in the alkali metal group, making it the most reactive and having the highest energy electron in its outermost shell.

Learn more about Atomic structure and energy levels