Hesi A2 Chemistry / A2 Hesi Chemistry Actual Exam Questions With Correct Verified Answers | 100% Pass (A+ Certified)Hesi A2 Chemistry / A2 Hesi Chemistry Actual Exam Questions With Correct Verified Answers | 100% Pass (A+ Certified)

HESI A2 CHEMISTRY / A2 HESI CHEMISTRY ACTUAL EXAM QUESTIONS WITH CORRECT VERIFIED ANSWERS | 100% PASS (A+ CERTIFIED) Metric system Correct Answer Gram (g)- Weight Liter (L)- Volume Meters (m)- distance Metric prefixes Correct Answer Fahrenheit Correct Answer Is a temperature measuring system used only in the U.S., its territories, Belize, and Jamaica Barley used for any scientific measurement except for body temperature Characteristics: -zero degrees is the freezing point of sea water or heave brine at sea level 32 degrees F is the freezing point of pure water at sea level 212 degrees F is the boiling point of pure water at sea level Celsius Correct Answer Sometimes called centigrade is a temperature system used in the rest of the world and by scientific community. Characteristics: Zero degrees is the freezing point of pure water at sea level 100 degrees C is the boiling point of pure water at sea level Most people have a body temperature of 37 degrees C Kelvins Correct Answer (temperature) Is used only in the scientific community Does NOT use Negative Numbers Characteristics: 0 Kelvin is -273 degree C and is thought to be the lowest temperature achievable or absolute zero The freezing point of water is 273 K The boiling point of water is 373K Most people have a body temperature of 310 K but this is never used Important temperatures Correct Answer Melting ice: 21 C and 32 F Normal body temp: 37 C and 98.6 F Boiling water: 100 C and 212 F Atom Correct Answer Nucleus and electron clouds (orbits) Nucleus Correct Answer Consists of protons and neutrons at the the center of the atom. Orbits (electron cloud) Correct Answer _________ of the electron are the outermost parts. Which spin around the nucleus at fantastic speeds. Ground state atoms Correct Answer Tend to have equal numbers of protons and electrons, making them electrically neutral Ionic state (ion) Correct Answer When an atom is electrically charged.