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An effective collision between reactant particles requires the particles to have the proper

User Abey M
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2 Answers

5 votes
I believe the blank is dense or density, I’m sorry if I am wrong, and I hope it helps :)
User Harathi
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Energy and orientation, They need the energy to be able to break the original bonds, and they need the orientation to be able to bond with the atoms
User Tetramputechture
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