Which of the following is a true statement about molecules? Group of answer choices Molecules are the smallest part of an element that has all the properties of that element. D. Water (H2O) and chlorine (Cl2 ) are both examples of molecules. Carbon (C) and manganese (Mn) are both examples of molecules. Molecules can consist of only one atom or more than one atom.

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.