What information does the atomic mass of an element provide? a. the sum of electrons and protons in an atom. b. the difference between the number of protons and electrons. c. the number of protons and neutrons in an atom. d. the number of isotopes.

i believe it is 40–40–20%

explanation:

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.