Chem lecture: Ch.8 Quiz Questions
How many valence electrons does an atom of Al possess? 5 8 3 2 1
3 (CORRECT)
Give the number of core electrons for Cd. 46 --probably 48-------NO( first ) 45 47 -----no (2nd try) 44
46 (CORRECT)
Choose the valence orbital diagram that represents the ground state of Zn. (IMAGE) IMAGES DO NOT WORK ON HERE REEEEE
4s 3d (ALL filled) (CORRECT) ERROR!?!?!?!/
Choose the valence orbital diagram that represents the ground state of Sr 2.(PICTURES!!!) (cannot put into here, RIPPPPPP)
4s 4p (CORRECT)
How many valence electrons do the noble gases possess? 6 7 2 1 8
8 (CORRECT)
Give the ground state electron configuration for Pb. [Xe]6s2 5f14 6d10 6p2 [Xe]6s2 5d10 6p2 [Xe]6s2 4f14 5d10 6p2 [Xe]6s2 6p2 [Xe]6s2 4f14 5d10 6s2 6p2 ------NO
[Xe]6s2 4f14 5d10 6p2 (CORECT)
The element that corresponds to the electron configuration 1s2 2s2 2p6 3s2 3p6 4s1 3d5 is ________. titanium iron vanadium chromium manganese--------NO( first )
chromeum (CORRECT)
Halogens can react with each other to form salts. ionic bonds. hydrogen halides. metal halides. covalent bonds.
covalent bonds. (CORRECT)
Give the complete electronic configuration for Mn. 1s2 2s2 2p6 3s2 3p6 4s2 4p5 1s2 2s2 2p6 3s2 3p6 4s1 3d6 1s2 2s2 2p6 3s2 3p6 4s2 4d5 1s2 2s2 2p6 3s2 3p6 4s2 3d5
1s2 2s2 2p6 3s2 3p6 4s2 3d5 (CORRECT)
How many valence electrons do the alkali earth metals possess? 6 2 ---------- 7 8 1
2 (CORRECT)
Which reaction below represents the electron affinity of Li? Li(g) + e ( - ) → Li(g) ( - ) ----- PROBABLY Li(g) ( + ) → Li(g) + e(-) ------NO (first) Li(g) ( + ) + e ( - ) → Li(g) ----NO(2ND) Li(g) + e → Li(g) Li(g)( + ) → Li(g) + e(-)
??????????? Li(g) + e ( - ) → Li(g) ( - )
Place the following in order of increasing IE1. N F As As < F < N F < As < N N < As < F F < N < As --------NO As < N < F
As < N < F (CORRECT)
Choose the statement that is TRUE. *Core electrons effectively shield outer electrons from nuclear charge. *Core electrons are the easiest of all electrons to remove. *Outer electrons efficiently shield one another from nuclear charge. *Valence electrons are most difficult of all electrons to remove. *All of the above are true.
Core electrons effectively shield outer electron from nuclear charge (CORRECT)
Identify the most reactive alkali metal with water. Cs K Rb Li Na
Cs (CORRECT)
When filling degenerate orbitals, electrons fill them singly first, with parallel spins is known as Pauli exclusion principle Heisenberg uncertainty principle Hund's rule Aufbau principle ---------- NO?????
Hund's rule ( CORRECT)
Place the following in order of decreasing metallic character. P As K P > As > K As > P > K As > K > P K > As > P K > P > As
K > As > P(CORRECT)
Give the ground state electron configuration for the ion of Ba. [Kr]5s2 4d10 5p6 6s2 6p2 ----NO (3rd try) [Kr]5s2 5p6 Li(g) + e ( - ) → Li(g) ( - ) ----probably [Kr]5s2 4d10 5p6 6s2 -----NO (1st try) [Kr]5s2 4d10 5p6 6s1 ------NO (2nd try
Li(g) + e ( - ) → Li(g) ( - ) (CORRECT) [Kr]5s24d105p6 (i think its this one, i think this is the one that is missing from the group, ... i hope, i meessed up and copied and paisted that stupid thing ABOVE correct, my bad)
Identify the species that has the smallest radius. N-5 N-2 N0 N+3 N+1
N+3 (CORRECT)
Place the following in order of increasing radius. Br- Na+ Rb+ Rb+ < Br- < Na+ Na+ < Rb+ < Br- Rb+ < Na+ < Br- Br -< Na+ < Rb+ Br- < Rb+ < Na+
Na+ < Rb+ < Br- (CORRECT)
Place the following in order of increasing atomic radius. As O Br O < As < Br O < Br < As Br < As < O As < O < Br As < Br < O
O < Br < As (CORRECT)
Which reaction below represents the second ionization of Sr? Sr+(g) → Sr2+(g) + e- Sr2+(g) + e- → Sr+(g) Sr+(g) + e- → Sr(g) Sr(g) → Sr+(g) + e- Sr-(g) + e- → Sr2-(g)
Sr+(g) → Sr2+(g) + e- (CORRECT)
No two electrons can have the same four quantum numbers is known as the Aufbau principle Hund's rule Heisenberg uncertainty principle Pauli exclusion principle
Pauli exclusion principle (CORRECT)
Place the following in order of increasing IE1. K Ca Rb Ca < K < Rb K < Ca < Rb Rb < Ca < K Rb < K < Ca Ca < Rb < K
Rb < K < Ca (CORRECT)
Choose the ground state electron configuration for Zn2+ [Ar] [Ar]3d8 ----------NO (2nd try) [Ar]4s2 3d8 -------NO(first try) [Ar]3d10 ----probably [Ar]4s2 3d6
[Ar]3d10 (CORRECT)
Give the ground state electron configuration for Br- . [Ar]4s2 4d10 4p6 [Ar]4s2 3d10 4p5 [Ar]4s2 4p6 [Ar]4s2 3d10 4p4 [Ar]4s2 3d10 4p6
[Ar]4s2 3d10 4p6 (CORRECT)
Give the ground state electron configuration for Rb+ . [Ar]4s23d104p6 [Ar]4s24p6 [Kr]5s2 [Kr]5s1 [Kr]5s24d2
[Ar]4s2 3d10 4p6 (CORRECT)
Give the ground state electron configuration for I. [Kr]5s2 4d10 5p5 [Kr]5s2 5d10 5p6 [Kr]5s2 5p6 [Kr]4d10 5p6 [Kr]5s2 4d10 5p6
[Kr] 5s2 4d10 5p6 (CORRECT)
Describe the reaction of the noble gases with metals. mild reaction dissolves forms water vigorous inert
inert (CORRECT)
