Answer:
The *atomic* number
Explanation:
The atomic number is the number of protons in an atom of an element.
Calcium carbonate will be formed which is insoluble in water.
The answer is a) K and CrO4 only.
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 chlorine atom (or atoms) is covalently bonded by a shared pair of electrons to the other element.
Explanation:
Answer:
13.93849 millimeters/second
Explanation:
