Chemistry Final Exam Study Guide 100% Correct!

Diatomic 7 - ANSWERH, N, O, F, Cl, Br, I Density Formula - ANSWERMass/volume 1 Mole Measurement - ANSWER6.02 x 10^23 1 Mole of Gas At STP - ANSWER22.4 L Standard Temperature - ANSWER0C/273K Standard Pressure - ANSWER101.3kPa/14.7psi/760 mm Hg/29.92 in Hg Molarity (M) - ANSWERMoles solute/L solution molality (m) - ANSWERmoles solute/kg solvent SI Base Unit - Length - ANSWERMeter (m) SI Base Unit - Mass - ANSWERKilogram (kg) SI Base Unit - Time - ANSWERSecond (s) SI Base Unit - temperature - ANSWERKelvin (K) SI Base Unit - amount of substance - ANSWERMole (mol) Density Formula - ANSWERD=m/V Law of Definite Proportions - ANSWERElements composed that compose compounds are always in a certain proportion by mass. Metals - ANSWERelements that have luster, conduct heat and electricity, and can bend without breaking Metalloids - ANSWERelements that have some chemical and physical properties of metals and other properties of nonmetals Nonmetals - ANSWERelements that don't conduct electricity, are poor conductors of heat, and are brittle.