The answer should be (4) they are negative subatomic particles and are found surrounding the nucleus. The nucleus is formed by neutrons and protons. Neutrons are neutral and protons are positive.
The sulfur and nitrogen compounds in smog combine with water to form Acid Rain. Acid rain is harmful to the environment and infrastructure because of its aidic components.
Answer:
2810.88
Explanation:
(28x92.21+4.70x29+3.09x30) = 2810.88
Look at your periodic table. The answer is D. They are all in Group 15.