Answer:
Chemical name for As2S3 is Arsenic sulfide
Explanation:
Answer:
Nitrogen and Oxygen make up 99% of the Earths atmosphere. Then Argon makes up the rest of the atmosphere.
Answer:
you dony have a picture for me to match them
Explanation:
'cause alphe-particle which was +ve charge, get repulsion from the atom, so he deducted that.......
Answer:
Colors are seen by burning of metal salts, for example Sodium chloride makes yellow frame.
It is very common for fireworks to contain Aluminum, Iron, Steal, Zinc or the Magnesium’s dust to create bright light.