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electron configuration review! Flashcards | StudBud
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electron configuration review!
electron configuration review!
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High school chemistry electron configurations, ions, valence electrons and isoelectronic elements
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What is the charge of an electron?
Neutral
Positive
Double positive
Negative
2
What is the electron configuration for fluorine?
1s2 2s2 2p4
1s2 2s2 2p6
1s2 2s2 2p5
1s2 2s2 2p6
3
How do 2 electrons occupy an orbital?
spinning the same way
both spinning clockwise
only 1 electron fits in an orbital
opposite spins
4
Which noble gas would you choose to represent Se in the short hand electron configuration?
Rn
Ar
Kr
Ne
5
How many valence electrons does Xe have?
18
132
54
8
6
What element is isoelectronic with Os
3+
?
Au
Ru
Rg
Ta
7
How many columns are in the p block of the periodic table?
7
6
2
4
8
How many valence electrons does carbon have?
4
14
6
2
9
Which orbital is the lowest in energy?
2p
2s
1s
3s
10
What shape does a p-orbital have?
dumbbell
double clover
clover
sphere
11
How many electrons does the ion Al
2-
have?
13
2
15
11
12
What shape does an
f
-orbital have?
dumbbell
clover
double clover
sphere
13
Which orbital is lower in energy?
5s
3d
14
How many electrons does iron have?
25
26
53
22
15
This group of elements can be used for writing the abbreviated form of electron configurations
ions
halogens
metals
noble gasses
16
How many electrons does fluorine have?
91
9
8
18.99
17
How many electrons can fit into 1 orbital?
2
4
1
3
18
How many electrons does B
+4
have?
3
1
4
2
19
Which orbital is lower in energy?
2p
2s
20
Atoms that have the same number of electrons are said to be
isoelectronic
identical
isotopes
ions
21
How many columns are in the S block of the periodic table?
4
1
3
2
22
What noble gas would be used in the electron configuration abbreviation for
Y
?
He
Kr
Ne
Xe
23
What element is isoelectronic with Pb
2+
?
Hg
Po
Au
Bi
24
How many electrons does the ion Mg
4+
have?
12
16
8
4
25
What element is isoelectronic with Ni
2-
?
Fe
Co
Zn
Cu
26
What shape does an
S
-orbital have?
clover
sphere
double clover
dumbbell
27
How many valence electrons does neon have?
18
8
800
6
28
Se
-2
is isoelectronic with?
Ar
Ge
Kr
S
29
How many electrons would Rb
+3
have in its electron configuration?
34
33
100
40
30
Are electrons located inside or outside the nucleus?
Outside
Inside
