Both noticed that different atoms gives different colours of light when they are exposed to flame.
Cysteine and methionine contain sulfur.
Answer:
I might be wrong i'm not sure
Explanation:
Chemical reactions often involve changes in energy due to the breaking and formation of bonds. Reactions in which energy is released are exothermic reactions, while those that take in heat energy are endothermic.
3 Common States of Matter:
1. Solid - particles are motionless and stick together very closely.
2. Liquid - particles are moving slowly without pattern.
3. Gas - Particles are moving rapidly again without pattern.