Biology, 09.12.2020 21:20 Serenitybella
Which kind of of electrical charge is found on a hydrogen atom of a polar water molecule? A. A negative charge, because of a covalent bond with oxygen B. A negative charge, because of an ionic bond with oxygen C. A positive charge, because of an ionic bond with oxygen D. A positive charge, because of a covalent bond with oxygen
Answers: 2
Biology, 22.06.2019 07:50
What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound
Answers: 1
Biology, 22.06.2019 09:40
Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.
Answers: 1
Biology, 22.06.2019 16:50
When is your breathing likely to speed up? a. when your white blood cells increase b. when your cells need more energy c. when your heart cells need more carbon dioxide d. when your blood cells have too much oxygen
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Which kind of of electrical charge is found on a hydrogen atom of a polar water molecule? A. A negat...
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