Periodic Table

Question 1

What is the major difference between the periodic table created by Dmitri Mendeleev and the one created by Henry Moseley?

Revolt · Accepted Answer

C: Moseley arranged the elements in order of increasing atomic number.

Question 2

Which statements accurately describe trends found in the periodic table? Check all that apply.Henry Moseley established a periodic table that arranges the elements by atomic number.The atomic mass decreases from left to right on the periodic table.The atomic number increases from left to right on the periodic table.Nonmetals create a “staircase” down the periodic table.Metalloids have the characteristics of both metals and nonmetals.

Revolt · Accepted Answer

A: Henry Moseley established a periodic table that arranges the elements by atomic number.; C: The atomic number increases from left to right on the periodic table.; E: Metalloids have the characteristics of both metals and nonmetals.

Question 3

A vertical column of elements in the periodic table is called a .

Revolt · Accepted Answer

A: group

Question 4

A horizontal row of elements in the periodic table is called a .

Revolt · Accepted Answer

B: period

Question 5

Atoms of elements in the same group have the same .

Revolt · Accepted Answer

C: number of valence electrons

Question 6

As you move from left to right on the periodic table, the atomic number .

Revolt · Accepted Answer

B: increases

Periodic Table Answers

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