An unscientific device for locating oil or minerals; a divining rod.
Answer:
Each principal energy level above the first contains one s orbital and three p orbitals. A set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. Therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.
Explanation:
The answer is Rb.....................................
Grass contains water and sheep need water.
Cu since the oxidation number of Cu is changed from 0 to +2. It means it is oxidized as per loss of two electrons.