Parts of an Atom
What are the three main subatomic particles
Protons, neutrons, electrons
who first proposed the idea of an atomos, an indivisible piece of matter?
Democritus - Greeks
What is an isotope?
Atom with same number of protons, different number of neutrons
Where are electrons found on an atom?
Around the atom; in orbits; in orbital shells
What is smaller than an atom?
subatomic particles; protons; neutrons; electrons
what is the subatomic particle NOT found in the nucleus
electron
Name as many scientists who contributed to the model of the atom as you can?
Democritus, Dalton, Thompson, Rutherford, Bohr, Schrodinger
Who is the current host of Family Feud?
Steve Harvey
Which subatomic particles are found in the nucleus of an atom
protons and neutrons
What is the titles of the most recent album by Young Thug?
So Much Fun; So Much Fun (Deluxe)
What is ALL matter made up off? (Think smallest, indivisible particle)
atoms
What was one of the two contributions Rutherford made to atomic theory?
Nucleus was dense
Nucleus was positively charged
Changing this does not change an element into a different element
The number of protons equal the number of ______ in a NEUTRAL atom
Electron
An atom contains 26 protons, 26 electrons, and 30 neutrons, what is its mass number?
56; 56 amu
what does the atomic number tell you about an atom
number of protons
Who conducted the cathode ray experiment and what did he discover? (half points for half answer)
Thomson, electrons
What is the mass number and chemical symbol of an atom with 8 protons and 9 neutrons?
O-17; oxygen-17
element is identified by the number of what in its nucleus
Protons
The mass of a proton is equal to the mass of a _________
neutron
what subatomic particles make up the atomic mass of an atom
Neutrons + Protons
How do we determine the age of very old things like mummies, fossils, and rock formations?
Carbon Dating
atoms of the same element containing different numbers of neutrons.
What is isotopes?
Every atom of the same element has the same _____ number?
Atomic
What subatomic particle occupies energy levels around the atom?
electrons