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Topic 2
Glossary
Relative isotopic mass
[原子]
(P. 53)
Relative atomic mass
Atom is the basic unit of all elements.
Metalloid
[類金屬]
Subatomic particle
Electronic arrangement
[亞原子微粒]
[原子序]
[電子殼]
(P.58)
[電子排佈]
(P.67)
Electronic arrangement is the way in which electrons are arranged in an
atom.
(P.59)
Electron diagram
The atomic number of an element is the number of protons in an atom of
that element.
[質量數]
[電子結構圖]
(P.67)
Electron diagram represent the electronic arrangement of an atom.
(P.60)
Unit 6
The mass number of an atom is the sum of the number of protons and
neutrons in the atom.
Periodic table
[同位數]
(P.66)
Shells are circular orbits which electrons move around the nucleus.
Subatomic particles consist of protons, neutrons and electrons.
Isotope
(P.65)
(P.57)
Shell
Mass number
[相對原子質量]
The relative atomic mass of an element is the weighted average mass of all
the naturally occurring isotopes of that element on the 12C = 12.00 scale.
Metalloids are elements which has some properties similar to metals and
some properties similar to non-metals.
Atomic number
(P.63)
The relative isotopic mass of a particular isotope of an element is the mass
of one atom of that isotope on the 12C = 12.00 scale.
Unit 5
Atom
[相對同位素質量]
(P.62)
[週期表]
(P.76)
Periodic table groups elements with similar properties together. All the
elements are arranged in order of increasing atomic number.
Isotopes are different atoms of an element which have the same
number of protons but different number of neutrons.
Group
[族]
(P.77)
Group is the vertical columns in the periodic table.
Glossary Topic 2
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Jing Kung Educational Press
Period
[週期]
(P.78)
Period is the horizontal rows in the periodic table.
Unit 7
Transition metal
Chemical bond
[過渡金屬]
(P.80)
Transition metals are elements between Groups II and Groups III or the
periodic table.
[鹼金屬]
(P.82)
[離子鍵]
oppositely charged ions.
Alkaline earth metal [鹼土金屬]
Covalent bond
(P.85)
Alkaline earth metal is the name of Group II elements.
[鹵素]
(P.100)
An ionic bond is the strong electrostatic forces of attraction between
Alkali metal is the name of Group I elements.
Halogen
(P.100)
Chemical bond is a force that holds atoms together.
Ionic bond
Alkali metal
[化學鍵]
[共價鍵]
(P.100)
A covalent bond is formed when one or more pairs of outermost shell
electrons are shared between two atoms.
(P.87)
Cation
Halogen is the name of Group VII elements.
[陽離子]
(P.99)
Cation is the positive ion.
Noble gases
[貴氣體]
(P.88)
Anion
Noble gases is the name of Group 0 elements.
[陰離子]
(P.100)
Anion is the negative ion.
Octet rule
[八隅體規則]
(P.90)
Ionic compound
Octet rule says that atoms become stable by having eight electrons in their
outermost shells.
[離子化合物]
(P.104)
Ionic compound is the compound with ionic bond.
Polyatomic ion
[多原子離子]
(P.106)
Polyatomic ion is ion which is formed from a group of atoms.
Glossary Topic 2
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Jing Kung Educational Press
Chemical formula
[化學式]
(P.110)
Relative molecular mass
A chemical formula is a way of representing a chemical substance using
symbols and figures.
Molecule
[分子]
[相對分子質量]
(P.122)
Relative molecular mass of an element or compound is the sum of relative
atomic masses of all atoms present in one molecule of the element or
compound.
(P.112)
Molecules are formed by joining atoms of non-metal elements together.
Formula mass
Bond pair electrons [鍵合電子對]
Formula mass of an ionic compound is the sum of the relative atomic
masses of all atoms present in a formula unit of the compound.
(P.113)
[式量]
(P.123)
A bond pair electron is the pair of electrons shared between two atoms.
Diatomic molecule
[雙原子分子]
Unit 8
(P.113)
Diatomic molecule is a molecule which consists of two atoms.
Giant ionic structure
Monatomic molecule
[單原子分子]
(P.113)
[巨型離子結構]
(P.134)
Monatomic molecule is a molecule which consists of one atom only.
Giant ionic structure is the giant structure of ionic compound in which
oppositely charged ions are packed in a regular pattern.
Molecular formula
Giant covalent structure
[分子式]
(P.113)
[巨型共價結構]
(P.134)
Molecular formula is the chemical formula of a substance made up of
molecules.
Giant covalent structure is the giant structure in which millions or more
atoms are held together by strong covalent bonds.
Lone pair electrons
Simple covalent structure
[孤偶電子對]
(P.114)
[簡單分子結構]
(P.134)
A lone pair electron is the pair of electrons in the outermost shell that is not
Simple covalent structure is the structure in which separate molecule is held
involved in bonding.
together by week van der Waals’ forces.
Metallic bond
[金屬鍵]
(P.122)
Giant metallic structure
Metallic bond is a type of bond in which positive metal ions are held
together by a ‘sea’ of mobile electrons.
Glossary Topic 2
[巨型金屬結構]
(P.134)
Giant metallic structure is the giant structure in which metal atoms are
packed tightly together in a regular pattern..
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Van der Waals’ force
[范德華引力]
(P.139)
Van der Waals’ force is the force which holds the separate molecules
together.
Glossary Topic 2
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Jing Kung Educational Press