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Electron Configuration B Flashcards | StudBud
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Electron Configuration B
Electron Configuration B
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Practicing basic electron configuration in relation to the periodic table. Valence electrons too.
Flashcards
20 cards
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Questions
20
Answers
1
What sublevel is filled after 4s?
4d
3d
4p
4f
2
Which part of the periodic table is filling in an s orbital?
Alkali metals and alkaline earth metals
Transition metals
Halogens and Noble Gases
Lanthanide and Actinide series
3
An element is in the block labeled 4. Which of these electron configurations could it have?
1s2 2s2 2p6 3s2
1s2 2s2 3p2
1s2 2s2 2p10 3s2 3p1
1s2 2s2 2p2
4
Which two elements would have the same number of valence electrons?
Any two elements if are both metals.
Any two elements if they are both nonmetals.
Two elements in the same period.
Two elements in the same group.
5
How many valence electrons would you expect an element in Group 15 to have?
15
It depends on the row that it is in.
5
3
6
Which of the electrons in this configuration are valence electrons? 1s
2
2s
2
2p
6
3s
2
3p
3
2p6 3s2 3p3
3p3
all of them
3s2 3p3
7
What orbitals are being filled as you go across the lanthanide series?
in the f sublevel
in the s sublevel
in the p sublevel
in the d sublevel
8
Which section of the periodic table is filling the p sublevel?
4 only
4 and 5
1
3
9
Which two elements are in the same period?
B and Al
Ne and Ni
C and N
Ca and Mg
10
The atomic number of fluorine is 9. What is its correct electron configuration?
1s9
1s2 2p7
1s2 2s2 2p5
1s2 2s2 2p6
11
What is the correct abbreviated electron configuration for iodine?
[Kr] 5s2 5p5
[Xe] 5s2 4d10 5p5
[Kr] 5s2 5d10 5p5
[Kr] 5s2 4d10 5p5
12
Vanadium is a transition metal. What is the last part of its electron configuration?
a p orbital
an s orbital
a d orbital
an f orbital
13
What is happening in the transition metals?
Filling in f orbitals
Filling in p orbitals
Filling in s orbitals
Filling in d orbitals
14
Sulfur has the electron configuration of 1s
2
2s
2
2p
6
3s
2
3p
4
. How many are valence electrons?
2
4
16
6
15
How many electrons are in a d sublevel?
2
6
8
10
16
Which of the following element pairs are in the same group (family)?
C and Si
B and Be
Na and Ca
O and Cl
17
What group (s) has its last valence electron in the s sublevel?
Group 1 - the alkali metals
Group 2 - the alkaline earth metals
Group 17 - the halogens
Group 18 - the noble gases
18
What sublevel is filled after a 5p?
4f
5s
6s
4d
19
How many valence electrons will a noble gas element have?
6 p electrons
It depends on the atomic number of the element.
8 electrons in s and p
2 s electrons
20
Helium is in Group 18. Its atomic number is 2. How many valence electrons does it have?
2
8
18
