The phase change that is the reverse of condensation is
What is vaporization
100
The standard on which the atomic mass unit is based is the mass of a
What is Carbon-12 atom
100
the most reactive element in Group 1A elements.
What is Cesium
200
In a compound, the subscript indicates the ____ of the element in the compound
What is number
200
An acid can be defined as
What is proton donors
200
The maximum amount of a solute that will dissolve in a certain amount of solvent at a given temperature is that solute’s
What is Solubility
200
The unknown solution reacted with metal and turned the litmus paper orange.
What is an acid
200
one substance must dissolve in another to form ______
What is a solution
300
A slippery solution was found in the hall-way.
What is base
300
To calculate the _______of a solution, you need to know the moles of solute and the volume of solution.
What is Molarity
300
Fluorine, F, forms a binary ionic compound with lithium, Li.
What is Lithium Fluoride.
300
The tendency of an element to react is closely related to
What is valence electrons
300
the attraction between a metal cation and a shared pool of electrons
What is metallic bond
400
forms when electrons are not being shared equally.
What is polar bond.
400
The products of the neutralization reaction between hydrochloric acid and magnesium hydroxide are
What is MgCl2 and H2O.
400
Group 7A contains the most reactive _______
What is nonmetals
400
One way to determine the degree of saturation of a solid-liquid solution is to drop a crystal of the solute into the solution. If the crystal sits at the bottom of the container, the solution is
What is Saturated
400
The formation of an ionic bond involves the
What is transfer of electrons
500
Raising the temperature of a gas will increase its ______ if the volume of the gas, and the number of gas particles are constant
What is pressure
500
His model displyed a tiny, solid sphere with a predictable mass for a given element
What is John Dalton
500
Among the alkali metals, the tendency to react with other substances increase from ___to ____ within a group.
What is top to bottom
500
_____ compound has a tendency to shatter when struck.
What is Ionic
500
In an ionic compound name, Iron (II) oxide, the (II) indicates that the iron ion has a ___ charge