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If a neutral atom of beryllium has 4 protons and 5 neutrons, what is the mass number of the atom?
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Chemistry, 23.06.2019 03:10
Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge
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Chemistry, 23.06.2019 06:20
Why is it that 85.48 rounded to two significant figures is 85 and not 86?
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Chemistry, 23.06.2019 08:00
Match the vocabulary terms to their definitions. 1 . a long, chain-like set of molecules made up of repeating units joined end to end polymer 2 . a hard, brittle, heat- and corrosion-resistant material made by subjecting a nonmetallic mineral mixture to intense heat ceramic 3 . a plastic with low elongations that cannot be recycled thermoset 4 . a carbon fiber embedded in a polymer resin matrix thermoplastic 5 . a plastic with high elongations that can be recycled crystal 6 . a solid form resulting from the arrangement of atoms, ions, or molecules in definite geometric patterns composite
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Chemistry, 23.06.2019 11:30
Which part of the healthcare system could best explain how a pharmaceutical drug works
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If a neutral atom of beryllium has 4 protons and 5 neutrons, what is the mass number of the atom?...
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