Answer:
The height of A is 900
Explanation: Beside A, there is a number which explains what the height is so the answer is A.
Answer:
Option C. The same number of energy levels.
Explanation:
From the diagram given above, element (i) belong to group 2 while element (ii) belong to group 6.
Also, both element i and ii belong to the same period (i.e period 4). This simply means that both element i and ii have the same number of energy levels.
NOTE: Elements in the same period have the same number of shells of electrons which simply means they have the same energy levels.
Answer:
the answer is is putting ptessure on the gas
Explanation:
Answer:it is sterilized in the process
Explanation: