Answer:
Explanation:
Physical changes in cooking include the melting of solids, such as butter, and the boiling of liquids, such as water. Examples of physical changes would be the melting of fats and the boiling of water. Chemical changes involve the production of new substances.
Answer: i think its A
step by step explanation:
Answer:
Element Element Number Number of Electrons in each Level
Chlorine 17 7
Argon 18 8
Potassium 19 8
Calcium