3 years ago

Can a element be a metal and a non metal

Chemistry

1 answer:

Dmitry [639]3 years ago

6 0

Answer:

Explanation:

because in the periodic table there is a section for metals and a section for non metals. 'non' implies that it is not a metal and having an element be both metal and non metal would be contradictory.

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Ammonia can be prepared by the reaction of magnesium nitride with water. The products are ammonia and magnesium hydroxide. Write

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How many phosphorous atoms are found in three molecules of magnesium phosphate, 3Mg3(PO4)2?

aleksandr82 [10.1K]

Answer: Option (d) is the correct answer.

Explanation:

Since the given formula is $3Mg_{3}(PO_{4})_{2}$ . According to cross method formula, magnesium has +2 charge so, $PO_{4}$ is multiplied by 2.

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3 years ago