Chemistry Chapter 7

Terms	Definitions
chemical formula	a shorthand representation for a compound or an element; Indicates the relative number of atoms of each king in a chemical compound or element
atoms	The subscripts in a chemical formula stand for the number of _____ of each kind of element
binary ionic compound	a compound composed of only two kinds of elements
multiple valences	An elements that has ________ _________ means that it can form ions with more than one possible charge.
ternary compound	a compound composed of three kinds of elements; compound which contains a polyatomic ion
polyatomic ion	an ion made up of 2 or more atoms; very stable grouping of atoms with a single charge
molar mass	The mass in grams of one mole, or approximately 6.022 × 1023 particles of the substance
molar mass	The _____ ________ of a compound is calculated by summing the masses of elements present in a mole of the molecules or formula units that make up the compound
formula mass	molar mass is numerically equal to ______ _____
covalent compounds	What type of compounds are made up of molecules?
formula unit	The collection of particles that make up a mole of an ionic solid
diatomic	the BrINCIHOF twins are _____ elements that are made up of molecules.
percentage composition	the percentage by mass of all the elements in a compounds
empirical formula	A chemical formula that shows the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ration; Simplest ratio of the subscripts in a formula

Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.

2,880 points by sdobbs

14 terms