Milady Chapter 6 Chemistry Exam review questions and correct solutions

Milady Chapter 6 Chemistry Exam review questions and correct solutions All living things, whether plant or animal, contain: - CORRECT ANSWER-Carbon Which of these is an example of an organic substance? - CORRECT ANSWERFertilizer, plastic and gasoline The smallest particle of an element that still retains the properties of that element is called a(n): - CORRECT ANSWER-Atom Which part of an atom has a negative charge? - CORRECT ANSWER-Electron When two or more atoms are joined chemically, it forms a(n): - CORRECT ANSWERMolecule A ___________ is made up of two or more atoms that are chemically joined together. - CORRECT ANSWER-Molecule Liquids: - CORRECT ANSWER-Have a definite size but not a definite shape Which of these is considered a type of matter? - CORRECT ANSWER-Water Rusting iron and burning wood are examples of changes in: - CORRECT ANSWERChemical properties When water becomes ice, it: - CORRECT ANSWER-Undergoes a physical change A __________ is a change in the state of a substance, without the formation of a new substance. - CORRECT ANSWER-Physical change The lightest element on earth is: - CORRECT ANSWER-Hydrogen The most abundant element found on earth is: - CORRECT ANSWER-Oxygen Water makes up about _____ of the human body. - CORRECT ANSWER-65% The relative degree of ___________ is the potential hydrogen (PH) of a substance. - CORRECT ANSWER-Acidity or alkalinity Anything below 7 on the PH scale is considered: - CORRECT ANSWER-Acidic