How could you tell whether a liquid is

honey or vinegar?

The mass of a substance is independent of the amount of the substance, while density depends on the amount of the substance.

Which of the following best explains the trend in ionization energy across a period? It decreases because the distance between the nucleus and the outermost shell increases.

In the ground state an atom of each of the elements in group 2 has a different

How many significant figures are in the number 2011

Students are asked to respond to a prompt with an essay in the

A chemical is the class of atoms which contain the same number of protons

Calculate the percentage by mass of carbon in carbon monoxide

If entropy increases and enthalpy and temperature remain constant, the Gibbs free energy Group of answer choices A. decreases B. increases C. entropy has no effect

The number 0.000402 expressed in exponential notation is

Energy states of atoms containing more than one electron are influenced by nucleus-electron and electron-electron interactions. Which of the following statements correctly describes these effects? A.