Atoms
These are the three components that make up an atom
What are Protons, neutrons, and electrons
The part of the atom with no charge
What is a Neutron
The number of protons in the nucleus of an atom
What is the atomic number
An atom that has gained or lost one or more electrons
What is an ion
Helps digest food in the stomach, sour taste
What is an acid
Smallest particle of an element
What is an atom
Center of an atom (contains neutrons and protons)
What is the nucleus
Number of protons and neutrons
What is the atomic mass
A one or two letter representation of an element
What is the chemical symbol
Slippery and bitter taste
What is a base
Negatively charged particle
What is an Electron
A pure substance made of only one kind of atom
What is an element
Horizontal rows on the periodic table
What are periods
The study of matter and how it changes
What is chemistry
Formed when an acid and a base neutralize each other, composed of metal and a nonmetal
What is salt
Positively charged particle
What is a Proton
A column on the periodic table. These elements possess similar characteristics and react similarly with other elements
What is a group
Molecules formed from two or more different elements
What are compounds
A substance that changes color in the presence of an acid or a base
What is an indicator
Created simplified model of an atom
Who is Bohr
Having the tendency to erode or eat away. Can burn the skin.
What is corrosive
Created the first periodic table
Who is Mendeleev
Positively and negatively charged ions that attract each other
What is ionic bonding
Also known as bases; compounds that react with acids to form salts
What is Alkalis