Chemistry, 25.03.2021 06:20 Bladedrose2351
Why are all of the elements in group 18 relatively unreactive, whereas those in group 17 are very reactive?
Answers: 1
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Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
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Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?
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Chemistry, 22.06.2019 13:30
An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum
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Why are all of the elements in group 18 relatively unreactive, whereas those
in group 17 are very r...
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