Atomic Structure/Particles
All atoms of the same element ALWAYS have the same number of this subatomic particle.
What are protons?
This is the name given to the electrons located in the outermost level of the electron cloud.
What are valence electrons?
Rusting, rotting, and cooking are all classified as this general type of change.
What is a chemical change?
Who performed the gold-foil experiment?
Who is Rutherford?
What is the charge of a neutron?
What is no charge?
These two specific particles are located in the nucleus of an atom.
What are protons and neutrons?
This is the correct ground-state electron configuration of potassium (K).
What is 2-8-8-1?
Boiling, melting, and freezing are all classified as this general type of change.
What is a physical change?
What was the discovery by Rutherford?
What is "the atom is mostly empty space?"
What sign is a nuclear charge?
What is positive?
This term describes an atom when its electrons are in higher energy levels than normal.
What is excited?
In a ground-state phosphorus atom, all valence electrons are found in this specific shell.
What is the third shell?
This specific physical change occurs when a substance changes from a solid to liquid.
What is melting?
What is the other name for the Bohr's model?
What is the planetary model?
What are the two measurements for volume we have used?
What are centimeters cubed and milliliters?
An electron in an atom moves from the ground state to an excited state when its energy does this.
What is increases?
This configuration represents an aluminum-27 atom in an excited state.
What is 2-7-4?
What makes a physical change different from a chemical change?
What is a reversibility?
Where do electrons exist in the mechanical wave model?
What is the electron cloud?
This isotope of carbon has the greatest mass out of the stable and common unstable isotopes?
C-12
C-13
C-14
What is C-14?
The nuclides I-131 and I-133 are classified as this because they have the same number of protons but a different number of neutrons.
What are isotopes?
An oxide ion (O2-) has the exact same electron configuration as the is noble gas.
What is neon?
What is the name of a substance that appears out of a solution?
What is a precipitate?
What is the difference between the Bohr's Model and Mechanical Wave model?
What is set paths and most probable location?
What is Oliver?