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WorksheetsGlossary of Chemistry Terms
Total questions: 26
Worksheet time: 13mins
What is the definition of 'bond'?
A financial instrument representing a loan made by an investor to a borrower
A type of chemical reaction
A form of social relationship
A type of adhesive
What is a 'compound ion'?
A single atom ion
An ion made up of a group of atoms
A molecule
A neutral atom
An ionic bond is defined as:
a type of chemical bond where atoms share electrons
a type of chemical bond where atoms transfer electrons
a type of chemical bond where atoms do not interact
a type of chemical bond where atoms share protons
What is an 'ionic compound'?
A compound made up of ions
A compound made up of molecules
A compound made up of atoms
A compound made up of electrons
An 'ionic lattice' is best described as:
a regular arrangement of ions bonded by covalent bonds
a regular arrangement of ions bonded by ionic bonds
a random arrangement of ions bonded by ionic bonds
a random arrangement of ions bonded by covalent bonds
A 'negative ion' is:
an atom that has gained one or more electrons
an atom that has lost one or more electrons
a neutral atom
an atom with a positive charge
A noble gas is defined as:
A gas that is highly reactive
A gas that is colorless, odorless, and inert
A gas that is a compound
A gas that is a metal
A 'positive ion' is:
an atom that has gained electrons
an atom that has lost electrons
an atom with no charge
an atom with a full outer shell
Fill in the blank: A charged atom or group of atoms is called an ______.
ion
molecule
isotope
compound
What is the definition of 'allotrope'?
A structurally different form of an element with different physical properties.
A chemical compound formed by the reaction of an element with oxygen.
A mixture of two or more elements in a fixed ratio.
A process of converting one element into another.
What is the definition of 'covalent bond'?
A strong bond between two atoms in which each atom shares one or more electrons with the other.
A bond formed by the transfer of electrons from one atom to another.
A bond that occurs when atoms share a pair of electrons unequally.
A weak bond between two molecules resulting from an electrostatic attraction.
What is the definition of 'covalent compound'?
A compound containing atoms joined by covalent bonds.
A compound containing atoms joined by ionic bonds.
A compound that is made up of metals only.
A compound that is made up of non-metals only.
What is the definition of 'double bond'?
A covalent bond in which each atom shares two of its electrons.
A bond involving the sharing of one pair of electrons.
A bond formed by the transfer of electrons.
A bond that involves the sharing of three pairs of electrons.
What is the definition of 'giant structure'?
A structure containing millions of atoms or ions bonded together.
A small molecule with a simple structure.
A single atom with a large nucleus.
A compound with a few atoms bonded together.
What is the definition of 'molecule'?
A simple structure containing two or more atoms covalently bonded together.
A single atom of an element.
A mixture of different elements and compounds.
A charged particle with more or fewer electrons than protons.
What is the definition of 'molecular solid'?
A solid substance made up of molecules held together by weak forces of attraction, forming a lattice.
A solid substance made up of ions held together by strong electrostatic forces.
A solid substance made up of atoms arranged in a repeating pattern.
A solid substance made up of metals held together by metallic bonds.
What is the definition of 'single bond'?
covalent bond in which each atom shares one electron.
bond involving the sharing of two pairs of electrons.
bond formed by the transfer of electrons.
bond that involves the sharing of three pairs of electrons
Fill in the blank: A _______ is a pair of its electrons. / 一种共价键，其中每个原子共享一对电子。
single bond
double bond
triple bond
ionic bond
A _______ is a covalent bond in which each atom shares three pairs of its electrons. / 一种共价键，其中每个原子共享三对电子。
triple bond
double bond
single bond
quadruple bond
An _______ is a material containing two or more metals, or a metal and a non-metal. / 一种包含两种或更多金属，或者一种金属和一种非金属的材料。
alloy
compound
mixture
solution
_______ electrons are free to move throughout a structure. / 在整个结构中能够自由移动的电子。
Delocalized
Localized
Bound
Stationary
Fill in the blank: _______ means capable of being drawn out into a wire. / 能够被拉成细丝的。
Ductile
Brittle
Malleable
Elastic
A _______ is a crystal of metal. / 金属的晶体。
grain
rock
gem
ore
Fill in the blank: _______ means capable of being bent and pressed into a different shape. / 能够被弯曲和压制成不同形状的。
Malleable
Flexible
Rigid
Brittle
_______ bonding is the strong attraction between positive metal ions and the 'sea of electrons'. / 正金属离子和“电子海”之间的强烈吸引力。
Metallic
Ionic
Covalent
Hydrogen
The _______ consists of delocalized electrons from the outer shell of metal atoms and which move freely in metallic structures. / 来自金属原子外层的离域电子，它们在金属结构中自由移动。
sea of electrons
nucleus
proton cloud
electron pair
