Which of the following is the heaviest? electron, proton, neutron, or nucleus.
neutral lithium has 3 protons. during a chemical reaction, 1 electron is removed. how many protons does lithium have now? 3,2,1, or you must know what element lithium reacted with to determine this

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

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 element is the least metallic between cadmium, silver, zinc, or iron?