Atomic Theory
protons
A bond forms when two atoms share their _______.
electrons
A chemical reaction must conserve the number of ____.
atoms
The vertical columns of the table are known as ______.
A neutral substance has a pH of?
7
Rutherford's gold foil experiment determined that matter has a dense region of mass, known as this.
nucleus
The type of bond where a metal gives its electrons to a non-metal
ionic
Reactants
The first column of the periodic table is called this family name.
An acid has a pH between?
The charged particle which is responsible for forming bonds
electron
The type of bond where two non-metals share their electrons.
These atoms and molecules are formed from the outcome of a reaction.
valence
A base has a pH between?
While atoms are often drawn out of proportion, the vast majority of the atom is made of this.
empty space
This type of bond results in crystalline structures
ionic
A reaction which involves oxygen and releases heat energy is called this.
combustion
Elements in lower periods have masses that are _______ than the elements above them.
greater
When an acid and a base combine this is a _______ reaction.
Neutralization
This type of bond is the basis of molecules
covalent
A reaction which results from two ionic compounds exchanging their anions is this type.
double replacement
The elements of the staircase from Boron down to Astatine are known as this.
metalloids
When an acid dissolves in water it releases ______.