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100
Occurs when particles at the exposed surface of a liquid absorb just enough energy to pull away from the liquid and escape into the air.
What is evaporization?
100
When a gas is cooled below its boiling point it __________.
What is condenses?
100
Occurs when the particles of a solid absorb enough energy to completely overcome the force of attraction between them.
What is sublimation?
100
The process in which a gas changes directly to a solid without going through the liquid state.
What is deposition?
100
The smallest particles of an element that still have the element's properties.
What are atoms?
200
The center of an atom.
What is the nucleus?
200
A particle in the nucleus of an atom that has a positive electric charge.
What is a proton?
200
A particle in the nucleus of an atom that has no electrical charge.
What is a neutron?
200
A particle outside of the nucleus of an atom that has a negative electrical charge.
What is an electron?
200
What atoms are called when they loose electrons and become positive ions.
What are cations?
300
What atoms are called when they gain electrons and become negative ions.
What are anions?
300
Atoms of the same element that differ in the number of neutrons.
What are isotopes?
300
The number of protons in an atom is known as the __________.
What is the atomic number?
300
The total of the number of protons and neutrons in an atom is called the ___________.
What is atomic mass?
300
____________ are the names for the fixed distances from the nucleus.
What are energy levels?
400
The part of the atom where energy waves are stable.
What are the orbitals?
400
If the energy level of an atom is 7, what would be the number of orbitals and the maximum number of electrons?
What is 49 orbitals and 98 maximum electons?
400
The name for the columns of the periodic table.
What are groups?
400
The name for the rows in the periodic table.
What are periods?
400
Which elements are good conductors of electricity?
What are metals?
500
Elements that do not conduct electricity.
What are nonmetals?
500
Elements that fall between metals and nonmetals on the periodic table.
What are metalloids?
500
The force of attraction that holds together positive and negative ions.
What is an ionic bond?
500
Force of attraction between atoms or ions that occurs when atoms share or transfer valence electrons.
What is a chemical bond?
500
Force of attraction between a positive metal ion and the valence electrons it shares with other ions of the metal.
What is a metallic bond?