Number of protons= atomic number, you can use the mass of the element to find out which element it is then based on which element it is you can find out how many protons it has. I hope this was the answer you are looking for!
Answer:
I am not sure but i think it is 5 grams
Explanation:
because the total mass= 5g
so it is a physical change so no new substance is formed
so the total mass = total mass of all the broken pieces
Answer:
The two that are true are, "this represents a pure compound in two different states" and "it represents a mixture a solid and a gas".
Explanation:
This two are concluded only from the picture and the use of uniform colors throughout the picture (Showing the same element).
<u>Answer</u>:
"weathering breaks rocks into minerals and plants die and decay" must occur to form soil
<u>Explanation</u>:
For the formation of the soil two process are mandatory and they are erosion as well as weathering. The weathering takes place near the surface of the soil, which can occur due to various physical and chemical processes. Being an important part of soil development. It may occur rapidly or can be a slow process for decades. Water and air helps in weathering. The transport is generally by wind or with the help of flow of water, ice, etc
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