How is the modern periodic table organized?
—— Grouped according to their properties, and increasing atomic numbers. How do you find the protons and neutrons in an atom? —— Atomic Number Explain the location of the metals, nonmetals, and metalloids on the periodic table. —— To the left of the zigzag line are metals, to the right of the zigzag line and nonmetals and metalloids. The melting points on the periodic table decreases from ______ to ______. —— Top, Bottom What is group 17 on the periodic table called? —— The Halogen Family What are the most common Alkaline- Earth Metals? —— Magnesium & Calcium What do sodium and chlorine form? —— Table Salt What type of scientist was Ernest Rutherford? —— Chemist What forms hydrogen ions? And hydroxide ions? —— Hydrogen: Acids Hydroxide: Bases What is the substance if on the pH scale it is below 7? —— Acid What is the substance if on the pH scale it is over 7? —— Base What is the substance if on the pH scale it is directly at 7? —— Neutral