Chapter 1, 2, 3 Test| New 2026
Matter - answer- Anything that has mass and occupies space
Kinetic Energy - answer- Energy in action
Potential Energy - answer- Stored energy
Chemical Energy - answer- Stored in bonds of chemical substances
Element - answer- Matter is composed of elements, cannot be broken into simpler
substances by ordinary chemical methods
Atom - answer- Unique building blocks for each element
Proton - answer- Positive charge, found in nucleus
Neutron - answer- No charge, found in nucleus
Electron - answer- Negative charge, Orbit nucleus in an electron cloud
Nucleus - answer- Almost entire mass of the atom composed of Neutrons and Protons
Ion - answer- Atom with net electric charge due to loss or gain of one or more electron
Atomic Symbol - answer- One or two letter chemical shorthand for each element
Isotope - answer- Structural variations of atoms, differ in number of neutrons they
contain
Molecule - answer- 2 or more atoms bonded together; all compounds are molecules
Mixture - answer- Two or more components physically intermixed
Solution - answer- Homogeneous (same) Mixtures
Solvent - answer- The dissolver
Solute - answer- What's dissolved