Chemistry, 06.02.2020 01:40 ashyding4800
Carbon (c) and hydrogen (h) are pure substances. each is made of only one type of atom, but carbon atoms are different from hydrogen atoms. carbon and hydrogen chemically combine to form methane (ch4).
based on this information,
a.
methane is an element and carbon and hydrogen are compounds.
b.
carbon and hydrogen are elements and methane is a compound.
c.
carbon, hydrogen, and methane are all compounds.
d.
carbon, hydrogen, and methane are all elements
Answers: 1
Chemistry, 22.06.2019 12:00, Alexislol7908
From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor
Answers: 1
Chemistry, 22.06.2019 12:30, robert7248
What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h
Answers: 2
Chemistry, 22.06.2019 14:50, alexabbarker9781
How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
Answers: 1
Carbon (c) and hydrogen (h) are pure substances. each is made of only one type of atom, but ca...
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