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What is the difference between the groups (vertical columns) and periods (horizontal rows) on the periodic table?
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The rules of engagement (roe) working group is often used to (select all that apply.)
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Chemistry, 22.06.2019 19:20
The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n
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The bone of a dinosaur and the imprint of a leaf are examples of which kind of fossils? a) index b) body c) amber d) trace
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Chemistry, 23.06.2019 03:30
In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.
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What is the difference between the groups (vertical columns) and periods (horizontal rows) on the pe...
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