Atoms are the smallest form of the substance. examples of atoms are in elemental forms such as copper, helium, silver. Diatomic molecules are made up of identical atoms. Examples are I2.. F2 and Br2. Formula units are those compounds that are made up of two or more elements such as -No2, KMnO4,<span>C3H8, MgCl2, HgBr2, Ba(OH)2</span>
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Great question=)
Yes, this statement is true! Propane burns in air and it produces carbon dioxide and water.
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Answer:
Lots of bad things would happen
Explanation:
People would lose their jobs
People would fall out of contact (no phones)
It would be pretty dark (no streetlights)
You would have to learn everything by book or asking someone
ect.
Answer:
Calcium
Explanation:
Zinc cannot displace Ca because calcium is above it in the reactivity series
Answer:
C. The law of conservation of matter
Explanation:
APEX
