Which of these is a covalent compound?
a. lici
b. no2
c. na25
d. aici...
Answers: 3
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Which of the following electromagnetic waves can create ions?
Answers: 2
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Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness
Answers: 1
Chemistry, 22.06.2019 18:20, juansebas35
Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds
Answers: 2
Biology, 02.07.2019 13:00