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Answer:
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Explanation:
I hope this right, I'm sorry if it's not.
For an atom to be neutral, it has to have the same amount of protons and electrons. Because protons and electrons have opposite charges, when there is an equal amount of them they balance each other out
Answer:
2H3PO4 +3Ca(OH) 2 = Ca3 (PO4) 2 +6H20
ヾ( ̄▽ ̄) Hello :)
ヾ( ̄▽ ̄) Hello :)
B) A chemical change because the nail reacts with water/oxygen to create rust (a type of oxide)