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Chemistry 14 Online
OpenStudy (anonymous):

Are crytals minerals ? Which atoms have mass ? 1. Protons& electrons 2.neurons, elections, Protons, 3.none 4.electrons , Protons

OpenStudy (chmvijay):

what does this mean question is not clear obliviously the atom has mass due to proton and neutrons and electron do contribute but very less compared to proton and neutron

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