Answer:
Physical i think, because it says, "The shoes are green, made of cotton, and rubber sole" everything in the passage described a physical property
Explanation:
tell me if im wrong, good luck
Answer:
HfCl3
Explanation:
Step 1
Divide the percent by mass of each element by its relative atomic mass
Hf- 62.2/178.5, Cl-37.4/35.5
0.348, 1.054
Step2
Divide through by the lowest ratio
0.348/0.348, 1.054/0.348
1, 3
Therefore the empirical formula is HfCl3
Answer:
- Volatile organic compounds
- secondary pollutants or photochemical substances
- Air Quality
- Air pollution
- Aerosols
Explanation:
Volatile organic compounds are the organic chemicals that get easily vaporized in air.
The secondary chemicals or the secondary pollutants are the photochemical substances that are formed in the presence of sunlight.
The amount of gases and small particles present in the atmosphere, responsible for influencing ecosystem and the wellness of human beings is known as the Air Quality
Air pollution refers to the high concentrations of gases or small particles that are present in the atmosphere, which can cause harm to the humans and other living organisms and structures established by humans.
Aerosols are the tiny particles present in liquid or solid state, that are suspended in air.
