<span>analogous and <span>homologous</span></span>
First one is chemical and second one is physical
Answer: 2. Density
3. Physical Property
4. Chemical Change
5. states of matter
Explanation: Density is referred as mass per unit volume. Physical properties are observable characteristics of an object. An new formation of a substance in a chemical reaction is a chemical change. And solids, liquids, and gases are states of matter.
Chemical. Burning is a chemical process
Answer:
19 protons, 20 neutrons and 18 electrons. i think
Explanation: