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.
Elements in a group or a column have the same number of outer electrons so they have similar chemical properties
Answer:
Hey there!
35 s represents time.
The s means "seconds."
Let me know if this helps :)
A battery is an example of a voltaic cell that is used daily.