Flashcards in Quiz 1b (09.18.2020) Deck (16)
A mol is the measure of the material containing _____ particles.
6.022 x 10^23
The mass of 1 mol of atoms of an element is the _______.
Elements combine with each other to form_____.
When two or more elements combine to form a compound, an _______.
entirely new substance results
Compounds are composed of atoms held together by ______.
Chemical bonds are classified into two types, what are they?
ionic and covalent
Ionic bonds occur between ____.
metals and nonmetals (transfer of electrons from one atom to another)
What is a lattice?
a rectangular three-dimensional array of alternating cations and anions.
In an ionic bond, the metal atom becomes a ___.
In an ionic bond, the nonmetal atom becomes an _____.
Covalent bonds occur between _______.
two or more nonmetals (involve the sharing of electrons between two atoms)
When a nonmetal bonds with another nonmetal______.
neither atom transfers its electron to the other (instead the bonding atoms share some of their electrons)
The covalently bound atoms compose a molecule - hence, we call covalently bonded compounds _______.
molecular compounds (covalent compounds and molecular compounds are the same thing)
What are the three different types of chemical formulas?
empirical, molecular, structural
An ______ gives the relative number of atoms of each element in a compound.