4. The ground-state valence-shell configuration of a particular atom is 4f1450'6s2. The element to which this...
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...
The following valence-shell configuration is possible for a neutral atom of a certain element. What is the element, and is this the ground state or an excited state of this element? ↑↓ ↑ ↑ 4s 4px 4py 4pz 1.) element = 2.) Is this the ground state or an excited state of this atom?
Identify the atom with the following ground-state electron configuration for its valence shell. 4s2 3d10
Identify the atom with the ground-state electron configuration shown for its valence shell. 3s23p! symbol:
Identify the atom with the ground-state electron configuration shown for its valence shell. 3:23p symbol:
10) How many valence electrons are there in an atom with an electron configuration of 1s 2s 2p 3s 3ps A) 2 B) 3 C) 5 D) 7 E) none of these 11) Consider the element with the electron configuration (Kr]5524d105p. This element is A) a halogen B) a transition metal C) an alkali metal D) an alkaline earth metal E) a noble gas 12) In which set of elements would all members be expected to have very similar chemical...
The following Lewis diagram represents the valence electron configuration of a main-group element. This element is in group 2A According to the octet rule, this element would be expected to form a(n) with a charge of cation anion If X is in period 4, the ion formed has the same electron configuration as the noble gas The symbol for the ion is
The following Lewis diagram represents the valence electron configuration of a main-gain element. This element is in group According to the octet rule, this element would be expected to form a(n) with a charge of If X is in period 3 the ion formed has the same electron configuration as the noble gas The symbol for the ion is
2. Which of the following is the proper electron configuration of the valence shell for the 4th period element in Group V-A (Using the Periodic Table) a. 3s23p3 b. 4s24p3 c. 4s25p3 d. 4s23d3 e. 5s24p3
Part A Use the building-up principle to obtain the electron configuration of the ground state of iron. (Express your answer as a series of orbitals. For example, the electron configuration of Li would be entered in complete form as 1s2 2s1 or in condensed form as [He]2s1.) Part B Iron is a Group 8B element in Period 4. What would you expect for the valence-shell configuration of iron? (Express your answer as a series of valence orbitals. For example, the valence-shell...