The chemical formula for the compound strontium sulphide would be SrS.
Answer:
This is a chemical change because it has been lit on fire. When it is lit on fire, the fire has been made, heat has been made, and gasses produced from the fire have also been made. Because this introduces new matter to the pictures, it is a chemical reaction.
Explanation:
Answer:Tungsten changes oxidation numbers +6 to zero
Undergoes reduction
Explanation:
did it!
D- seismic waves
Geologists use an indirect method to study Earth's interior. Earthquakes produce seismic waves. Geologists record the seismic waves and study how they travel through Earth.
Answer:
D
Explanation:
When molecules absorb energy they speed up and have a more forceful collision with solute molecules.
