Electrons and the Periodic Table

Question 1

Use the periodic table to identify the noble gas that would be included in the noble-gas notation for each of the following elements.Si: HeNeArKr

Revolt · Accepted Answer

Ne; Rn; Xe; Ar

Question 2

Fr: ArKrXeRn

Revolt · Accepted Answer

Rn

Question 3

Use the periodic table to identify the element represented by each of the following electron configurations.[He]2s2:

Revolt · Accepted Answer

"Be"; "Cl"; "Cs"; "Cu"; Beryllium

Question 4

Si:

Revolt · Accepted Answer

[Ne]3s23p2

Question 5

Ca:

Revolt · Accepted Answer

[Ar]4s2

Question 6

Use the periodic table to determine the number of valence electrons in each of the following elements.Na:

Revolt · Accepted Answer

"1"; "7"; "5"; "8"; "4"; 1

Question 7

Y:

Revolt · Accepted Answer

[Kr]5s24d1

Question 8

Pm:

Revolt · Accepted Answer

[Xe]6s24f 5

Electrons and the Periodic Table Answers