Chemistry, 23.09.2019 18:30, ruchiamin2633
6the elements in group 2 have similar chemical properties because each atom or these elements has the same
(1) atomic number
(2) mass number
(3) number of electron shells
(4) number of valence electrons
Answers: 1
Chemistry, 22.06.2019 11:40, tatemelliott
Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
Answers: 3
6the elements in group 2 have similar chemical properties because each atom or these elements has th...
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