The various atomic masses of the same element are called<u> isotopes</u>. They have the same number of protons but different number of neutrons.
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Explanation:
double blind test. the control group receives a placebo. Why is a placebo used in a double-blind test? so that the effects on people in two different groups can be compared.
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Methanoic acid has a molecular formula of HCOOH, when form an ester it's HCOO-, so the rest of the ester is -C4H9, a saturated 4 carbon chain. As shown in the attached diagram, there are 4 structural isomers, and the third isomer has 2 stereoisomers. So the answers is D:5.
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Introducción. Dentro de la introducción, el investigador limita el estudio. Muestra los datos generales importantes y...
Hipótesis. La hipótesis consiste en una apreciación que el investigador hace en torno al problema. Se define como una...
Objetivos. Los objetivos de un estudio son los movimientos que se deben hacer para solucionar el
The average mass of a single chlorine atom is 35.453 grams
