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How many moles of magnesium is 3.01 x10^22 atoms of magnesium?
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Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons
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Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?
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How do dying stars contribute to the formation of planets
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