CHE 102 Study Guide - Final Guide: Unified Atomic Mass Unit, Horse Length, Nitrogen
Document Summary
What percentage of oil consumed in our country in the year 1990 was imported: 69, 14, 7. 2, 32, 44% Determine the percent change in carbon dioxide concentration over the last 20,000 years: 85% increase, 45% increase, 31% decrease, 15% increase, 125% increase. Which subatomic particle is neutral and has a mass of 1 amu: electron, neutron, proton, quark, atom. Allotropes are different forms of a particular : element, molecule, isotope, graphite, compound. The most common isotope of sodium is 23na. How many neutrons does a neutral atom of this isotope possess: 23, 12, 14, 11, 1. Sodium and potassium exhibit many of the same chemical properties. This is most readily attributed to the fact that: they both possess odd atomic numbers, neither element is diatomic, both elements are found in freon, they both have 1 electron in their outer shells, both elements are metals. Red light has a wavelength of 720 nm.
