18. Which of the following electron configurations is correct?
a) Ga: [Kr]4s23d104p1
b) Mo: [Kr]5s24d5
c) Ca: [Ar]4s13d10
d) Br: [Ar]4s23d104p5
10. Select the correct statement for n=5
Orbitals Electrons
a) 5 10
b) 25 50
c) 10 20
d) 16 32
Can you please explain answer and why the other answers are wrong.
18. Which of the following electron configurations is correct? a) Ga: [Kr]4s23d104p1 b) Mo: [Kr]5s24d5 c) ...
18. Which of the following electron configurations is correct? a) Ga: [Kr]4s23d104p1 b) Mo: [Kr]5524 Ca: [Ar]4s13d10 d) Br: [Ar]4s23d104p5
Which of the following electron configurations is incorrect? Question 13 of 15 Which of the following electron configurations is incorrect? A) Ca [Ar]452 B) Mn [Ar]4524d C) Cu [Ar]48'3d0 D) Ga [Ar]4s3d04p E) Br [Ar]4s3d04p e
8. Which elements are represented by the following electron configurations? a. 15-2s 2p 3s 3p 3d 10 452 4p highest occupied orbitals valence electrons b. 1s 2s 2p 3s 3p 4s 3d highest occupied orbitals_ valence electrons c. [Kr] 5s 4d 0 5p? highest occupied orbitals valence electrons d. [Ne] 3s 3p highest occupied orbitals valence electrons e. [Ar]3d 4s? highest occupied orbitals valence electrons
7. Which element has the following electron configurations? lon: [Ar]3d10 lon (-1 charge): [Kr]5s4d105p6 8. Write the following in order of increasing size As O Br Br Na Rb Te²- F- 02- 9. Arrange these elements in order of decreasing first ionization energy: CI, S, Sn, Pb 10. Choose the element with a more negative (exothermic) electron affinity in each pair: K or Cs Si or P Ga or Br Mg or s 11. a) Which has a higher ionization...
10 10. Select the correct statement for n=5 Orbitals Electrons a) 5 b) 25 50 c) 10 d) 16 20
An atom of which of the following elements has the highest electron affinity? Select one: a. Br b. Cl c. Rb d. As e. Se An atom of which of the following elements is not diamagnetic in the ground state? Select one: a. Rn b. Ca c. Pt d. Cd e. All are diamagnetic. The general electron configuration for the outermost electrons of the halogens is Select one: a. ns2np4 b. ns2np5 c. ns2np6 d. ns2np2 e. ns2np3 What...
(a) Ga" (b) K (c) Fe* ():C:(C():CI: (d) Mg? 55. The Lewis dot symbol for the chloride ion is (a):C 56. How many unhybridized p orbitals are in an sp hybridized carbon atom? 57. What is the hybridization of the bonding orbitals on carbon in CF? 58. According to VSEPR theory, which one of the following molecules is trigonal bipyrarnida? (a) 1 (b) 2 (b) sp (b) Xef (d) 0 (a) sp (d) sp'd (d) PFs (d) O (a) SF...
64. Select the electron configurations for (a) Co+ (b) Cu (c) Ag Arl O [Ar]3d [Ar]3d6 Ar]3d Kr148 [Kr]4d9 O Ar3do Ars1s IAr4s13d10 (Arl4s3d Arl4s sd [Arl4s 3d Arl4'sd Ar]4s 3d [Kr]5s14d [Kr]5s14d10 Kr]58 448 [Kr]58-4d [Kr]5s-4d10 [Arl4s⅔d10
Which elements are represented by the following electron configurations? a. 15-2s22p0323p3d1045-4p) The element is Br b. [Kr]4d1045145325p052106526pa The element is C. [Kr]4d1046145525p650105726s6p6752 The element is d. [Kr]4d2552 The element is ZI e. 152252263523p%3d-452 The element is
HELP
2) How many of the following electron configurations for the
species in their ground state are correct?
I. Ca:
1s22s22p63s23p64s2
II. Mg:
1s22s22p63s1
III. V: [Ar] 3s23d3
IV. As: [Ar]
4s23d104p3
V. P:
1s22s22p63p5
Select one:
a. 1
b. 2
c. 4
d. 5
3) How many of the following are pure substances? (Check all
that apply.)
Select one or more:
a. gold
b. ammonia
c. water
d. carbon
f. brass
4)
1s22s22p63s23p6
is the electron configuration for which...