Chemistry, 22.01.2020 06:32 chunkymonkey090
When a metal is heated in a flame, the flame has a distinctive color. this information was eventually extended to the study of stars because a red shift in star color indicates stars are moving away. star color indicates the distance from the earth. the line spectra of stars indicate which elements are present. it allows the observer to determine the size of stars.
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Chemistry, 22.06.2019 08:30
Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.
Answers: 3
Chemistry, 22.06.2019 12:30
Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together
Answers: 1
Chemistry, 22.06.2019 16:00
If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml
Answers: 1
Chemistry, 22.06.2019 16:00
Which factor is likely to impact the possible number of compounds ?
Answers: 1
When a metal is heated in a flame, the flame has a distinctive color. this information was eventuall...
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