問題一覧
1
an atom that has gained an electron and has a negative charge
anion
2
the smallest piece of a substance that still has all of the properties of the substance
atom
3
the total average number of protons and neutrons in an atom
atomic mass
4
the number of protons contained in an atom
atomic number
5
an atom that has lost an electron and has a positive charge
cation
6
the science of the materials that make in the universe
chemistry
7
two or more elements combined chemically; cannot be easily seperated
compound
8
the smallest significant partial in an atom; with a negative electric charge and orbit around the nucleus
electron
9
a specific form of matter composed of only one type of atom
element
10
a form of matter that has no definite shape, weight, or size
gas
11
a variation of an atom based on the loss or gain of an electron
ion
12
a family of particles that experience no strong forces
lepton
13
a group of atoms or molecules that total 6.022 x 10*
mole
14
a group of two or more atoms linked by a chemical bond; the smallest independent unit of a compound
molecule
15
one of the principle particles in an atom that has no electric charge and is found in the nucleus of the atom
neutron
16
the central core of an atom; made of protons and neutrons
nucleus
17
another name for an energy level
orbital
18
a hot gas whose matter is broken into charged particles; found in stars
plasma
19
one of the principle particles of an atom that has a positive electric charge and is found in the nucleus of the atom
proton
20
a subatomic particle that makes up protons and neutrons
quark
21
a form of matter that has a definite shape and volume
solid