Question

Chemistry Unit-3.03
1. How many particles are represented by each of the symbols Li, P4, Cu, O2, Cl2, and He?
2. what particle in the atom is involved in a chemical reaction?
3. Define ionic bond and covalent bond. Explain with diagrams and examples.

Answer 1

Answer:

Pollution is the introduction of contaminants into the natural environment that cause adverse change. ... Major forms of pollution include air pollution, light pollution, litter, noise pollution, plastic pollution, soil contamination, radioactive contamination, thermal pollution, visual pollution, and water pollution.

Answer 2

$5 \: particles \: \: \: \: \:$