The atom
The three parts of an atom
What are Proton, Neutron, and Electron?
a substance, only one kind of atom
The classification system that groups chemicals
What is the periodic table of the elements?
The process in which different types of atoms form a new substance
What is a chemical reaction?
determines the amount of acids or bases in a solution
What is the pH scale?
The smallest piece of an element
What is an atom?
The scientist that developed a simplified model of the atom
Who is Niels Bohr?
The horizontal rows of the periodic table
What are periods?
H2CO3 has _____ atom(s) of Carbon
What has 1 carbon?
lemons, vinegar, and tomato juice
What are some acids?
The study of matter, what its made of
What is chemistry?
The scientist who developed the periodic table
Who is Dmitri Mendeleev?
These all have the same number of shells
What are the elements in the same period?
atom share electrons
slippery to the touch and have a bitter taste
What are bases?
The number of protons in the nucleus
What is the atomic number?
The one or two letters of an element represent this
What is the chemical symbol?
vertical columns of the periodic table
What are groups?
Positively and negatively charged ions attract
What is an ionic bond?
an ionic compound between an acid and a base
What is a salt?
The sum of the protons and neutrons
What is the atomic mass?
An element that has gained or lost electrons
What is an ion?
What are elements in the same group?
a reaction where a compound is broken down into simpler compounds
What is a decomposition reaction?
produced when two or more different elements combine
What are compounds?