Will give brainliest, 5 star, and

an atom that undergoes radioactive decay and has a large nucleus most likely contains

more neutrons than protons.
more protons than neutrons.
more protons than electrons.
more electrons than protons.

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.

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it