Periodic Table Answers

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This is how fluorine appears in the periodic table.

Question illustration
A
the atomic number
B
the atomic mass
C
the mass of neutrons
D
the number of neutrons
5

Part of one row of the periodic table is shown.

Question illustration
A
tin (Sn)
B
antimony (Sb)
C
tellurium (Te)
D
iodine (I)
6

Elements in group 2 are all called alkaline earth metals. What is most similar about the alkaline earth metals?

A
how many protons and neutrons they have
B
which chemical properties they have
C
how many total electrons they have
D
which period they are most often found in
9

The element phosphorus is located to the right of the element magnesium along the same period in the periodic table.Which best describes the relationship of the elements?

A
Magnesium has a larger atomic number.
B
Phosphorus has a larger atomic mass.
C
Magnesium is in the same category as phosphorus.
D
Phosphorus has similar chemical properties as magnesium.
10

Based on the information in the table, which two elements are most likely in the same group, and why?

Question illustration
A
bismuth and thallium, because their atomic masses are very similar
B
nitrogen and oxygen, because they were both first isolated in the same year
C
sodium and thallium, because their names both end in the same suffix: -ium
D
bismuth and nitrogen, because they have the same number of valence electrons

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Periodic Table Answers — HSOH-Geology I