The answer is Selenium.
Hope that helps.
<span>A student conducted an experiment to test the effect of the digestive enzyme pepsin on cooked egg white and potato in the presence of hydrochloric acid at a pH of 1. The most probable inference would be: . Pepsin digests potato because it mainly contains starch. Therefore, the answer would be letter B.</span>
Answer:
c) An element is made up of all the same type of atom
Explanation:
Atoms are the smallest unit of an element that consists of protons, electrons and neutrons in its structure. An element is the smallest part of a chemical substance that cannot be disintegrated i.e. it cannot be broken down further.
Atoms and elements are different in many ways but they are connected in the sense that an element contains only one type of atoms. For example, aluminum element is made up of only aluminum atoms. Different atoms form a molecule but same atoms form an element.
Any polar substances because water is polar and like dissolves in like
<span>Displaced volume:
final volume - initial volume :
38.55 mL - 15.75 mL = 22.8 mL
D = m / V
D = 32.138 / 22.8
D = 1.409 g/mL
hope this helps!
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