The atomic symbol for Magnesium is Mg
The atomic symbol for Potassium is K
The atomic symbol for Iron is Fe
The atomic symbol for Lead is Pb
Answer:
There are three ways that scientists have proved that these sub-atomic particles exist. They are direct observation, indirect observation or inferred presence and predictions from theory or conjecture. Scientists in the 1800's were able to infer a lot about the sub-atomic world from chemistry.
Explanation:
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Answer:
A
Explanation:
The answer is A) because the A container has tightly packed molecules but not as tight as C so that means A is liquid, and C is a solid which makes B a gas
All of these EXCEPT helium in a balloon
