Chemistry, 12.10.2019 17:50 daphnevlogs11
The ash produced by the burning paper has much less mass than the mass of the original paper. was mass conserved during this change? explain your answer.
Answers: 1
Chemistry, 22.06.2019 02:40, gabrielolivas59
The difference between the atomic number of an element and the element’s atomic mass is the number of ions.
Answers: 3
Chemistry, 22.06.2019 05:00, foreignking02
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
Chemistry, 23.06.2019 01:00, Angelofpink1143
If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1
Answers: 1
The ash produced by the burning paper has much less mass than the mass of the original paper. was ma...
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