Answer: The metalloids are a unique group of elements that share properties of both metals and nonmetals.
Explanation: They're also called the semimetals because of the shared properties of these elements along the dividing line between metals and nonmetals.
The oxidation numbers for Nitrogen are respectively -3, +5, +4
Answer:
5.6 L of hydrogen
Explanation:
when 5.6 liter is added of hydrogen, the value equallify and becomes right
The charge of an ion of calcium that loses two electrons is D.) +2
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The element used in advertising signs is neon.