The nucleus of a atom contains the protons and the neutrons all most all of the atoms mass is weigh by the protons and the neurons.
Answer:
the first one
Explanation:
as it contains in the product N so its the forst
We assume that the method that made use of urea was able to recover all of the recoverable substance. The method in question is the method that makes use of water.
The total amount of substance is 43 mg/dl. The recovered amount is 25 mg/dl. The percent recovery is
(25 mg/dl / 43 mg/dl) * 100 = 58.14%
Answer:
Non metals are located on the right hand side of the periodic table with the exception of the metalloid elements boron, silicon, germanium, arsenic, tellurium, carbon, aluminum, selenium, polonium, and astatine
