Answer:
Explanation:
1. New substances such as carbondioxide and water is formed.
2. There is evolution of gas bubbles. Gases are released.
3. There is either the absorption of energy or release of energy in form of light and energy.
4. The reaction is irreversible i.e it cannot be reversed, it is permanent once the reaction take place.
5. There is a change in both odor and smell.
A chemical change is a change where new substances are formed due to changes in the properties.
Count up the number of electrons in each orbital. theres ten electrons which means it has 10 protons. the element would be neon
A catalyst speeds up the rate of reaction so the answer is B.
C) Calcium chloride has stronger inter molecular forces than water.
