The Modern Atomic Theory

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: Fr: Hg: V:

Revolt · Accepted Answer

Ne; Selection 1: Ne; Selection 2: Rn; Selection 3: Xe; Selection 4: Ar

Question 2

Fr:

Revolt · Accepted Answer

Rn

Question 3

Hg:

Revolt · Accepted Answer

Xe

Question 4

V:

Revolt · Accepted Answer

Ar

Question 5

Use the periodic table to identify the element represented by each of the following electron configurations.[He]2s2: [Ne]3s23p5: [Xe]6s1: [Ar]4s23d9:

Revolt · Accepted Answer

Part 1: beryllium; [Ne]3s23p5:: chlorine; [Xe]6s1:: cesium; [Ar]4s23d9:: copper

Question 6

Ca:

Revolt · Accepted Answer

[Ar]4s2

Question 7

Use the periodic table to determine the number of valence electrons in each of the following elements.Na: F: V: ⇒ 5 Ar: C:

Revolt · Accepted Answer

Part 1: 1; Part 2: 7; ⇒ 5: 2; Part 4: 8; Part 5: 4

Question 8

Pm:

Revolt · Accepted Answer

[Xe]6s24f 5

The Modern Atomic Theory Answers