Question

question 4 (1 point)
which of the following elements is in the same period as phosphorus?
o a carbon
o b magnesium
o c oxygen
o d nitrogen

Explanation:

In the periodic table, periods are the horizontal rows. Phosphorus (\(P\)) is in period 3. Magnesium (\(Mg\)) is also in period 3. Carbon (\(C\)) is in period 2, oxygen (\(O\)) is in period 2, and nitrogen (\(N\)) is in period 2.

Answer:

B. magnesium