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This element is in the 4th period with less electrons than bromine, more electrons than nickel and has 3 electrons on the last energy level.
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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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At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver
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Īu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .
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Iām an electrically neutral atomic any element, there are equal numbers of
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This element is in the 4th period with less electrons than bromine, more electrons than nickel and h...
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