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Chemistry, 22.06.2019 10:50
An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
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Chemistry, 22.06.2019 17:30
Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?
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Chemistry, 22.06.2019 21:30
What is another way to determine mass times acceleration?
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Chemistry, 23.06.2019 01:00
Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released
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If something has an atomic number of 13 and an atomic mass of 26.98 how many protons does it have...
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