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1. Based on what you have learned about the placement of elements on the periodi...
Chemistry, 05.03.2020 08:03 jermainedwards
Science Today
1. Based on what you have learned about the placement of elements on the periodic table, where is
the best positioning for element 1137 Draw and label its rectangle on the table above.
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Chemistry, 22.06.2019 02:40
Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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Chemistry, 22.06.2019 17:40
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
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Chemistry, 22.06.2019 20:00
State one important difference between a physical change and a chemical change?
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