The proton is the positively charged sub-atomic particle in the nucleus of an atom and the electron is the negatively charged P for positive.
Answer is: Peer review.
Peer review is used to maintain quality standards, point to sources of error and improve performance.
Work on project is evaluated by people with similar competences (qualified members of a profession within the relevant field) as the scientist who are performing the work.
It is common in the field of health care.
Answer:
Oil is more dense than alcohol, but less dense than water
Explanation:
Answer:
None of the three salts are soluble.
Explanation:
According to the solubility rule, the carbonates and sulphates of group two elements are insoluble in water.
All three substances mentioned possess very low solubility in water and can be said to be slightly soluble in water. If we compare them with other ionic substances that dissolve readily in water, we can rightly say that they are insoluble in water.
Hence all three substances are insoluble in water.
