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Chemistry Stuff A
Question | Answer |
---|---|
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 |