Periodic Trends

Question 1

Question 1

Revolt · Accepted Answer

: 3.16; : 1.31; : 0.93

Question 2

Click on the element in the periodic table to explore the atomic radii of elements from Period 3 and Group 17. Fill in the missing values in the table so you can compare the atomic radii of the elements. After the table is filled in, compare the values in each column.A =

Revolt · Accepted Answer

:  "1.12"; : 1.6; : 1.9

Question 3

Consider the elements bromine and chlorine; which element has a larger ionic radius?

Revolt · Accepted Answer

B: bromine

Question 4

Question 4

Revolt · Accepted Answer

: 4; : 3; : 2; : 1

Question 5

Number the elements sodium, magnesium, and potassium in the predicted order of ionic radius from the largest (1) to the smallest (3). sodium

Revolt · Accepted Answer

:  "2"; : 3; : 1

Question 6

Consider the elements bromine and chlorine; which element has a higher ionization energy?

Revolt · Accepted Answer

A: chlorine

Question 7

Number the elements sodium, magnesium, phosphorus, and chlorine in the predicted order ionization energies from the highest to the smallest. sodium

Revolt · Accepted Answer

:  "4"; : 3; : 2; : 1

Question 8

Click the button that shows the correct relationship of the electron affinities of the elements bromine and chlorine.

Revolt · Accepted Answer

A: Chlorine’s electron affinity value is more negative than the electron affinity value of bromine.

Question 9

Use the periodic table to explore the electronegativities of elements from Period 3 and Group 17. Fill in the missing values in the table so you can compare the electronegativities of the elements. After the table is filled in, compare the values in each column. A =

Revolt · Accepted Answer

:  "3.16"; : 1.31; : 0.93

Question 10

As you move from left to right across the periodic table, the size of atomic radii increases✔ decreases.

Revolt · Accepted Answer

B: ✔ decreases

Periodic Trends Answers

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