Which of these pure substances is NOT a compound? a. water

b. table salt

c. tin metal

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.

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Complete each row of the table below by filling in the missing prefix or missing exponent.