Chemistry Flashcards
What is the definition of matter?
Matter is anything made of atoms. Excluding energy.
What is the definition of an atom?
The smallest particle of a substance. Can’t be broken down
What is the definition of atomic particles?
A unit of matter or energy.
What is the definition of an electron?
A suitable atomic particle that contains negative energy.
What is the definition of a neutron?
An atomic particle with the same mass as a proton but without the electric charge,
What is the definition of a proton?
An atomic particle occurring in all atomic necleus. Protons have a positive charge
What is the definition of AMU?
AMU(Atomic Mass Unit)
What is the definition of an electron shell?
The electron shell is the outer part of the atom. The space between the atom I empty.
What is the definition of an element?
The essential or characteristic of something abstract
What is the definition of a compound?
something that is composed of two or more elements. A mixture.
What is the periodic table?
A table of chemical elements arranged by their atomic number.
What is the atomic number?
The number of protons in the nucleus of the atom.
What is atomic mass?
Atomic mass is based on the number of protons and neutrons in the atom.
