Chemistry Flashcards
What is Matter?
What is everything is made of distinct from energy.
What is an Atom?
The smallest particle of a chemical element that can exist.
What is an Electron?
An electron is a negatively charged subatomic particle.
What is a Neutron?
A neutron is a subatomic particle which has no electric charge
What is a Proton?
A proton is a subatomic particle with a positive electric charge.
What is AMU?
AMU stand for Atomic Mass Unit, the mass of the atom.
What is an Electron Shell?
An electron shell is the outside part of an atom around the atomic nucleus.
What is an Element?
An element is a substance whose atoms all have the same number of protons.
What is a Compound?
A compound is a substance formed when two or more chemical elements are chemically bonded together.
What is the Periodic Table?
A table of the chemical elements arranged in order of atomic number.
What is an Atomic Number?
The number of protons or electrons normally found in an atom of a given chemical element.
What is Atomic Mass?
The mass of an atom of a chemical element expressed in atomic mass units.
What are Atomic Particles?
The particles of which an atom is constituted, as an electron, neutron, or proton.
What is an Alchemist?
A person who studies or practices the transmutation of changing common metals into gold.
What is an Investigation?
A examination or search in order to discover facts or gain information.