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Chemistry, 21.06.2019 20:30
10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)
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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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Chemistry, 22.06.2019 06:30
Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d
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Chemistry, 22.06.2019 20:00
I’m an electrically neutral atomic any element, there are equal numbers of
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8. Calcium can replace from its salt solution.(a) Zinc (b) Magnesium(c) sodium (d) potassium...
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