A pH scale runs from 1 to 14 with 7 being neutral.
1-6 has base like properties
8-14 has avid line properties
since this solution has a pH scale of 4.... the solution is basic
<span>These atoms are known as valence atoms.</span>
Mercury exist as liquid at normal earth tempertures
Answer:
It is A) Calcium
Explanation:
Calcium has an electronic configuration of 2,8,8,2
