A physical property is what a substance is like; it's directly observable. On the other hand, a chemical property is how a substance behaves; its reactivity.
Examples of a physical property are: color, texture, boiling point, freezing point, and melting point.
Examples of a chemical property are: flammability, combustion, and formation of a precipitate.
The location where the mercury level of the barometer would be the lowest is at the very high altitudes of the Earth's atmosphere (about 100 km), since air pressure decreases as altitude increases.
In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change.
Answer:
True
Explanation:
Hydrogen has three naturally occuring isotopes and copper has two.
Answer:
- <u>Purpose of Iodine:</u>
Iodine plays a vital role in thyroid health. Our thyroid gland, which is located at the base of the front of your neck, helps regulate hormone production. These hormones control your metabolism and heart health.
The symbol of Iodine is " I ".
Atomic mass of Iodine is 126.90447 u
No. of protons in Iodine is 53.
No. of neutrons in Iodine is 74.
No. of electrons in Iodine is 53.
