The compound co is an example of a(n)

salt
element
ionic compound
covalent compound

100 points answer quick 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.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.