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17. A chemical reaction in which two or more substances undergo a chemical union to form a more complex substance is a _______ reaction. A. double replacement B. combination C. decomposition D. substitution
A chemical reaction in which two or more substances undergo a chemical union to form a more complex substance is a COMBINATION.
NicNoguera98|Points 107|
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Asked 3/29/2014 3:51:58 AM
Updated 3/29/2014 5:08:19 AM
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This answer has been confirmed as correct and helpful.
Edited by andrewpallarca [3/29/2014 5:08:13 AM], Confirmed by andrewpallarca [3/29/2014 5:08:19 AM]
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22. The periodic table wad developed based upon the work of which scientist? A. Newton B. Dalton C. Moseley D. Mendeleev
Weegy: The periodic table was developed based upon the work of MENDELEEV. (More)
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Updated 3/29/2014 5:04:40 AM
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24. Which one of the following formulas represents an aldehyde?
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Updated 3/29/2014 7:45:53 AM
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The chemical formula for an aldehyde functional group is -CH=O, and the general formula for an aldehyde is R-CH=O.
Added 3/29/2014 7:45:53 AM
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20. The measure of the number of atoms in one element that will combine with an atom of another element is A. atomic number. B. atomic charge. C. valence. D. molecular number.
Weegy: The measure of the number of atoms in one element that will combine with an atom of another element is VALENCE. (More)
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Updated 3/29/2014 5:06:26 AM
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Weegy: The primary metallic element that's added to steel to make stainless steel is CHROMIUM. (More)
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Updated 3/29/2014 5:10:22 AM
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Which formulas represents an aldehyde?
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Updated 3/29/2014 6:27:51 AM
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CHO is a formula represents an aldehyde.
Added 3/29/2014 6:27:51 AM
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