how many valence electrons does an atom of barium have? a. 1 b.2 c. 0 d. 8 when

Question

how many valence electrons does an atom of barium have? a. 1 b.2 c. 0 d. 8 when an nitrogen atom loses its valence electrons, the chargeon the resulting ion is ___. a. +3 b. -3 c. +2   d. -2 the maximum number of electrons that can occupy the sixthenergy level is ____. a. n-1   b.14   c. 72   d.0 the color of light that has waves of the shortest wavelengthis _____. a.yellow b.blue c.red d.violet how many valence electrons does an atom of barium have? a. 1 b.2 c. 0 d. 8 when an nitrogen atom loses its valence electrons, the chargeon the resulting ion is ___. a. +3 b. -3 c. +2   d. -2 the maximum number of electrons that can occupy the sixthenergy level is ____. a. n-1   b.14   c. 72   d.0 the color of light that has waves of the shortest wavelengthis _____. a.yellow b.blue c.red d.violet

Explanation / Answer

When a nitrogen atom loses its valence electrons, the chargeon the resulting ion is -3. B

The maximum number of electrons that can occupy the sixthenergy level is 72. C
The color of light that has waves of the shortest wavelengthis violet. D




The maximum number of electrons that can occupy the sixthenergy level is 72. C
The color of light that has waves of the shortest wavelengthis violet. D

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