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Chemistry, 21.06.2019 22:00
Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?
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Chemistry, 22.06.2019 21:30
An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.
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What is the ionic charge for c, si, ge, sn and pb?...
Computers and Technology, 13.07.2019 05:20
Computers and Technology, 13.07.2019 05:20