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5: Periodic Table Flashcards | StudBud
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5: Periodic Table
5: Periodic Table
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1
How many neutrons does Aluminum #13 have?
27
40
14
13
2
Which is most similar in behavior to barium #56?
Cs #55
Sr #38
Y #39
Rn #86
3
How is the periodic table arranged today?
atomic number
atomic mass
by color
by number of neutrons
4
Identify the period [Xe]4f^{14}5d^{10}6s^26p^2
4
5
10
6
5
How is the atomic radius of 2 identical atoms measured?
one-fourth the distance between the nuclei
half the distance between the nuclei
the distance between the nuclei
twice the distance between the nuclei
6
Moseley organized the chemical elements based on their...
symbols
charges
atomic mass
atomic number
7
Which is a transition element?
Lead #82
Platinum #78
Strontium #38
Aluminum #13
8
How many valence electrons does group 1 have?
1
7
8
2
9
The majority of the periodic table are ...
metals
metalloids
nonmetals
gases
10
Identify this element [Kr]4d^95s^2
Sr
Zr
Ag
Cu
11
Identify the group [Ar]3d^{10}4s^24p^3
2
10
15
12
12
Which element is a metal?
Hydrogen #1
Neon #10
Calcium #20
Nitrogen #7
13
What is the reactivity pattern of group 2?
decreases going down
increase and then decrease
decrease and then increase
increases going down
14
Identify the group ns^2np^4
2
18
14
16
15
The metalloids are located ...
to the left of the metals
to the left of the nonmetals
to the right of the nonmetals
to the left of the transition metals
16
Another name for the halogen family.
pepper formers
seasoning formers
salt formers
poison formers
17
Electrons in the highest orbital are called ...
opposite spin electron
paired electron
valence electron
extra electron
18
Which ions have positive charges
cations
positrons
anions
muons
19
Describe the reactivity of group 17.
increases then decreases as you go down
decreases as you go down
increases as you go down
all reactivity is the same
20
Which has the greatest atomic radius?
Ga #31
As #33
Ge #32
Se #34
21
How many valence electrons does helium #2 have
1
2
4
8
22
What is the charge of an anion?
no charge
negative
positive
positive and negative
23
What is the name of group 1?
Noble gases
Halogens
Alkali metals
alkaline earth metals
24
What element is in period 6 group 2
Ba
Cr
O
Sr
25
Which have full outer orbitals?
noble gases
halogens
alkali metals
representative elements
26
How many valence electrons does the alkali metals have?
2
7
8
1
27
Which has the smallest atomic radius?
F #9
Br #35
I #53
Cl #17
28
A horizontal row on the periodic table is a ...
property
family
period
group
29
What blocks are the representatives located?
s&p
d
s&d
f
30
Why do the halogens occupy group 17 of the periodic table?
the halogens are as reactive as group 18
the halogens are less reactive than group 18
the halogens have no similarities with each other
the halogens have 7 valence electron
