A type of atom can be of any type. Elements are pure chemicals that cannot be converted into more basic compounds by conventional chemical processes.
A chemical element is a substance that cannot be disassembled chemically or physically into simpler substances. Chemical elements are the basic building blocks of matter because they are pure substances made up of atoms with the same atomic number (number of protons) in their nuclei. A chemical element is essentially a pure substance that cannot be disintegrated, degraded, or changed into other compounds through physical or chemical methods.
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Answer:
pH=1.6
Explanation:
Recall that pH= -log [H+]
Plug the 2.5 x 10^-2 into [H+].
-log (2.5 x 10^2)
=1.6
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Answer:
The athlete should consume about 476 g of carbohydrates per day to maintain a good storage of glycogen in his body
Explanation:
For an athlete who trains daily, 5 to 7 g of carbohydrates per Kg of body weight per day is recommended;
∴ m athlete = (175 Lb)×(0.453592 Kg/Lb) = 79.3787 Kg
⇒ m carbohydrate = (79.3787 Kg)×( 6 g carbohydrate/ Kg.day) = 476.27 g carbohydrate/day
In my opinion, the correct answer among the choices presented above is option C. <span>A material is nonmagnetic and gaseous and does not conduct heat or electricity. It will, however, react with other elements. It is most likely a nonmetal.</span>