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Periodic table masters Flashcards | StudBud
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Periodic table masters
Periodic table masters
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decoding the periodic table middle school level
Flashcards
10 cards
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Questions
10
Answers
1
What element does the following diagram represent if hearts represent electrons?
S
Fe
Be
O
2
This element has 12 protons.
Hg
C
Mg
Zn
3
How many valence electrons does Nitrogen have?
15
3
5
7
4
This element is a metalloid.
K (19)
Ar (18)
Cl (17)
Si (14)
5
The last electron placement for this element is 2s
2
He
H
Be
Li
6
Boron (# 5) has how many shells?
2
3
1
13
7
This group of elements' final electrons fill in the ______ subshell.
f
p
s
d
8
Calcium (#20) has how many shells?
2
4
40
20
9
What is the atomic number of the noble gas Xenon?
54
18
131
5
10
The periodic table has _______ rows.
9
8
7
10