Answer:
By atomic number?
Explanation:
fingers crossed its right :/
Answer:
billion is larger \ part if billion
Allotropes are elements on the periodic table that have more than one crystalline form . There are three forms of the element carbon : Diamond, Graphite, and Fullerenes. Isotopes are atoms of the same element with the same atomic number but have a different mass number.
Answer:
It is a base and should turn a paper green
Explanation: