An atom of which element below has the most unpaired electrons?
A) Ba
B) Al
C) P
D) F
E) O
An atom of which element below has the most unpaired electrons? A) Ba B) Al C)...
The following properties are observed for an unknown element. Identify the element from its properties. (a) The neutral atom has two unpaired electrons. (b) One of the valence electrons in the ground-state atom has ml = +1. (c) The most common oxidation state is +4. (d) If an electron in a hydrogen atom were excited to the same principal quantum level, n, as the valence electrons in an atom of this element, and fell to the n - 1 quantum...
101. Which atom in its ground state has two unpaired electrons in the electron configuration?a. Mg b. P c.S d. Cl 102. Which of the following is the correct ground state electron configuration of the element germanium (Ge)?
20. An atom of which of the following elements has the smallest ionization energy? A. CI C. Si B. P DS 21. An atom of which of the following elements has the largest second ionization energy? A. Cs С Ро B. Pb D. Ba Q89. 22. Which of the following forms the most stable anion in the gas phase? A. CI (electron affinity -349 kJ/mol) B. S (electron affinity = -200 kJ/mol) CO (electron affinity = -141 kJ/mol) D. C(electron...
Which element is most metallic? a. Sn b. S c. Si d. F Circle the largest atom in each pair. a. C or O b. Rb or Na c. C or Al d. For Se
14) Which of the following atoms has no unpaired electrons? Show the orbital diagram of your choice element to support your conclusion in the space below. a. Sr b. B c. Si K d. e .S
A diamagnetic atom or ion has no unpaired electrons in any of its orbitals, whereas a paramagnetic atom or ion has at least one unpaired electron in its orbitals. The more unpaired electrons, the more paramagnetic the atom or ion. What is the ground-state electron configuration for the V3 ion and is it paramagnetic or diamagnetic? [Ar] 4s 3d05s diamagnetic O [Kr] 5s, paramagnetic [Ar]4s 3d, paramagnetic [Ar] 4s, diamagnetic [Ar] 3d, paramagnetic
Which of these species has the greatest number of unpaired electrons? Al Ca O2- Fe3+
Which element has no unpaired electrons? 8 А. С В. В С. N D. Mg
18) How many unpaired electrons are present in the ground state Ge atom? A) 0 B) 3 C) 1 D) 2 E) 4
18) How many unpaired electrons are present in the ground state Ge atom? A) 0 B) 3 C) 1 D) 2 E) 4