Question

1. Which statement best explains why the elements in Group 18 do not have electronegativity values?(1 point)

A) The elements have only one electron shell.

B) The elements are too large.

C) The elements have filled valence levels.

D) The elements do not have electrons.


2. Based on patterns in the periodic table, which ion has a stable valence electron configuration?
(1 point)

A) magnesium (Mg) with a 1− charge

B) fluorine (F) with a 1+ charge

C) sulfur (S) with a 1− charge

D) potassium (K) with a 1+ charge

Answer 1

1. The elements have filled valence levels.

2. potassium (K) with a 1+ charge

Step-by-step explanation:

Answer 2

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The Correct choices are :

• 1. The elements have filled valence levels.

• 2. potassium (K) with a 1+ charge