Answer:
Avogrado's number
Explanation:
It's unniversal measure of moles
phosphorus in water is rapid combustion.
Answer:
Oxygen
Explanation:
Oxygen is more reactive because it has small atomic size which has high tendency to attract more electrons.
Answer:
It became from decaded. plants and trees
Explanation:
coal is very useful in our life
There is 11 valence electrons in sodium (Na)