Chem vocab Flashcards
atom
The smallest unit of matter.
a. A positively charged atom.
periodic table
An organized display of elements.
b. Atomic Mass number - Atomic number
proton
A positively charged atom.
N/A
electron
A subatomic particle of no mass.
N/A
neutron
atomic mass number - atomic number
N/A
Isotope
Atoms with the same atomic number but different mass numbers
Example: Carbon-12 and Carbon-14
Isomers
Molecules with the same chemical formula but different structures
Example: Glucose and Fructose
Suspension
An atom that has given up or taken on electrons
Mass number
The number of protons and neutrons in the nucleus of an atom
Atomic number
The number of protons in the nucleus of an atom
Solute
The substance dissolved in a homogeneous mixture
Solution
A homogeneous mixture such as sugar dissolved in water
Mixture
A mixture composed of particles dispersed in a medium
Isotopes
Hydrogen, deuterium, and tritium
nucleic Acid
A chemical that produces hydrogen ions in water