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Chemistry Stuff A

QuestionAnswer
What is the name of the positively charged particle in an atom? Proton
What is the name of the negatively charged particle in an atom? Electron
What is the name of the particle that has no charge in the atom? Neutron
All matter can be broken down into its purest substance called? Elements
To find the number of neutrons of an atom, I will subtract the atomic mass minus the ? Atomic Number
An ice cube melting is an example of a chemical or physical change? Physical Change
Electrolysis is a chemical or physical change? Chemical Change
Krypton can be found in (group or period) 4? Period
Mercury and Bromine are the only ____________ found on the periodic table Liquids
The periodic table is mostly made up of ? Metals
Many of the nonmetals are in what state of matter? Gas
Semiconductor is a nickname for which type of element? Metalloid
There is only one element that is a gas and can be found on the left side of the periodic table. Which element is this? Hydrogen
Rubidium is found in (group or period) 1? Group
When a precipitate forms, this is a sign of a chemical or physical change? Chemical Change
The smallest particle of matter is called? An atom
Phosphorus can be found in (group or period) 3? Period
Neutrons and Protons can be found in the ________________ of an atom? Nucleus
What part of the atom can the electrons be found? Outer shell
Electrons and Protons are the same number as? Atomic Number
Protons are added to Neutrons to make the? Atomic Mass
Created by: tiffany.green74