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belka [17]
3 years ago
14

NO GUESSING!ONLY RIGHT ANSWER

Chemistry
1 answer:
lutik1710 [3]3 years ago
7 0
<h3> <u>ANSWER</u></h3>

2. Neon, only

<h3><u>EXPLANATION</u></h3>

When Na and F combine they form an electron configuration of 2-8. Na electron configuration is 2-8-1 while F is 2-7, so when they form an ionic bond F will gain Na outermost electron to complete its valence shell due to having a higher negativity. Neon has an electron configuration of 2-8 but argon has 2-8-8.

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