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Warm-up: Concept: ATOMIC STRUCTURE PS-2.2-2.3 There are 3 questions. You have 3min to answer each question.

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Presentation on theme: "Warm-up: Concept: ATOMIC STRUCTURE PS-2.2-2.3 There are 3 questions. You have 3min to answer each question."— Presentation transcript:

1 Warm-up: Concept: ATOMIC STRUCTURE PS-2.2-2.3 There are 3 questions. You have 3min to answer each question.

2 A. A noble gas has a filled valence level. Based on this fact, which of the following atoms is a Noble gas?

3 B. Atoms of elements in the Halogen group have 7 valence electrons. Based on this fact, which of the following atoms is a Halogen?

4 C. In most situations, Noble gases are non-reactive because they have a filled valence level. Based on this fact, which of the following atoms is least reactive?

5 Time’s up…Click to view answers

6 A.“E” has a filled valence level with a stable octet of 8 valence electrons. B.Atom “D” has 7 valence electrons. It is a Halogen in group 17 of the periodic table. All Halogens have 7 valence electrons. C.Atom “E” is a Stable Noble gas. Like the other Noble gases it is in group 18


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