Carbon-12 and carbon-13 are isotopes of carbon. which of the following statements is correct?

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

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.

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled