what makes a rock or metal or any other hard substances hard? As in, why is rock hard? 584 viewsJanuary 3, 2024 Question90.97K April 1, 2021 0 Comments Maybe a rock’s atoms are closer together or something? In: Physics 4 Answers ActiveNewestOldest Anonymous Posted April 1, 2021 0 Comments I believe the number of electrons around each atom is higher, which makes the substance more dense and/or harder. You are viewing 1 out of 4 answers, click here to view all answers. Register or Login
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