molecules/sub
What is an electron
Electron- negatively charged subatomic particle found in all atoms, orbiting the atomic nucleus
What is Ti on the periodic table
Titanium
What is Dalton’s atomic theory
Dalton’s atomic theory- A matter is made up of tiny , indivisible atoms that are unique to each element.
What is the nucleus
Nucleus- A membrane bound organelle in eukaryotic cells that contains genetic information.
What is atomic mass
Atomic mass- The total mass of the particles within a single atom
What is a proton
Proton -A proton is a stable subatomic particle found in the nucleus of an atom
What is the periodic table
Periodic table- A chart that arranges all known chemical elements in order of increasing atomic number and grouping them by roles.
What is cathode ray
Cathode ray- A stream of high speed electrons emitted from the negative electrod
How do you find the mass number
Mass number - The total count of protons and neutrons within an atom’s nucleus
What is a neutron
Neutron- An electrically neutral subatomic particle found in the nucleus of nearly all atoms
What is a group
Group- A vertical column on the periodic table
What is mass
Anything that takes up space or holds volume
What is an atom
Atom - The smallest particle of an element that retains its identity in a chemical reaction
What is an atomic number
Atomic number- The number of protons in the nucleus
What is the object we use in chemistry to find the mass of something
A balance
What is a isotope
Isotope - Is a version of a chemical reaction that has the same number of protons and elect