Question 4 (1 point) At atom has 18 protons, 17 neutrons, and 18 electrons. What is the overall charge?

A. -1
B. 0
C.+1
D. +2

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

When the water vapor cools it condenses select a number that represents his process on the

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains