Okay so your answer for n is
Answer:
it's A endothermic its when two objects rub each other to form heat this is also known as friction force
The chemical formula of manganese (Il) phosphate is Mn3(PO4)2, which is option 2.
<h3>What is chemical formula?</h3>
The chemical formula of a compound is the notation indicating the number of atoms of each element present in a compound.
The chemical formula of a compound tells us the type of elements in the compound, the number atoms of each element in the compound and in what proportion these elements are present.
According to this question, manganese II phosphate has the chemical formula of Mn3(PO4)2.
This chemical formula shows that it posseses the following:
- 3 manganese atoms
- 2 phosphorus atoms
- 8 oxygen atoms
Learn more about chemical formula at: brainly.com/question/11995171
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Mafic lava is low viscosity lava that creates quiet eruptions.
