Answer:
i need more to solve this
Explanation:
The white powder is called Magnesium oxide. Or it's chemical symbol MgO
In the physical properties, it is mentioned that the element has 4 valence electrons. The elements in the periodic table are arranged such that, the number of valence electrons present in the neutral atoms belonging to a particular group is equal to the group number.
Thus, the unidentified element can be best classified as a nonmetal in period 4
Ans C)
The state in which the forward reaction rate and the reverse reaction rate are equal. Th concentration of chemicals don’t change
Answer:
The answer is larynx. I believe it is anyways. Sorry if i'm wrong.
