Chemistry cumulative exam Questions & Answers 100% Accurate!!

Scientific notation - ANSWERthe term for a method of expressing numbers by moving the decimal places after the first significant digit and indicating the number of decimal moves by a power of 10 cm^3 - ANSWERa unit that expresses the volume occupied by a cube 1 centimeter on each side. density - ANSWERThe amount of mass in a unit volume. gas - ANSWERa physical state described as having a variable shape and a variable volume. compound - ANSWERThe term for a pure substance that can be broken down into two or more substances by chemical reaction element - ANSWERair contains nitrogen oxygen argon and other gases. what describes air? general characteristics of metal - ANSWERmalleable, good conductor of heat, high density physical property - ANSWERexample ethanol burns with a light blue flame S - ANSWERchemical symbol for strontium evidence of a chemical reaction - ANSWERevolution of gas, formation of precipitate, permanent color change deposition - ANSWERa direct change of state from a gas to a solid element - ANSWERa substance that cannot be broken down by chemical reaction temperature - ANSWERthe average energy of a molecule heat - ANSWERthe flow of energy from an object at higher temperature to an object at a lower temperature english system - ANSWERa non decimal system of measurement without basic basic unit