1kg is about 2.2 pounds. So 4kg = 8.8 pounds. If that represent 19% of the total, here is the answer.
0.19*x=8.8
x=8.8/0.19
x=46.31 pounds
Phosphorus has 16 neutrons. Phosphorous is 15 on the periodic table, which means that the atomic number (number of protons) of phosphorous is 15.
For more info: https://study.com/academy/answer/what-is-the-number-of-neutrons-in-phosphorus.html
Answer: 12 neutrons
Explanation: The mass number of an element tells us the number of protons AND neutrons in an atom (the two particles that have a measurable mass). Sodium has a mass number of 23amu. Since sodium has 11 protons, the number of neutrons must be 23 – 11 = 12 neutrons.
Answer:I did not understand the question nicely by from whatever i understand the answer is yes
Explanation:
Answer: environmental chemist
Explanation:
An environmnetal chemist is a professional who takes interest in the industrial activities and suggests preventive measures so as to produce least amount of wastes so that minimal or no loss of the environment outside the industry takes place. Such a professional will participate in all steps of chemical operations such as designing, construction and management.
