Electrons and the Periodic Table

Question 1

Describe the trends in atomic radii by checking the correct box. Atomic radii from the left to right across a period tend to:

Revolt · Accepted Answer

decrease.

Question 2

Atomic radii from the top to the bottom of a group tend to:

Revolt · Accepted Answer

increase.

Question 3

Check the correct box to describe the periodic trends in electronegativity.Electronegativity across a period:

Revolt · Accepted Answer

increases.

Question 4

Electronegativity down a group:

Revolt · Accepted Answer

decreases.

Question 5

What is the predicted order of first ionization energies from highest to lowest for beryllium, calcium, magnesium, and strontium?

Revolt · Accepted Answer

Be > Mg > Ca > Sr

Question 6

Use the periodic table to select the element from the drop-down menu that has the correct relative electronegativity.Mg > Be AlCa

Revolt · Accepted Answer

Ca

Question 7

Br < ClI Se

Revolt · Accepted Answer

Cl

Question 8

What is the predicted order of first ionization energies from highest to lowest for aluminum, phosphorus, silicon, and sulfur?

Revolt · Accepted Answer

P > S > Si > Al

Question 9

P > As NS

Revolt · Accepted Answer

As

Question 10

C < BGeN

Revolt · Accepted Answer

N

Electrons and the Periodic Table Answers