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WorksheetsIntro to Chemistry Vocabulary
Total questions: 72
Worksheet time: 57mins
What is a subatomic particle that has a positive charge and that is found in the nucleus of an atom?
Neutron
Electron
Proton
What is a subatomic particle that has a positive charge and that is found in the nucleus of an atom?
Neutron
Electron
Proton
What is a subatomic particle that has no charge and that is found in the nucleus of an atom?
Electron
Neutron
Proton
What is a subatomic particle that has a negative charge and found outside the nucleus?
Electron
Neutron
Proton
What are electrons on the outermost energy level of an atom?
Atomic
Subscript
Electron
Valence
What are the number of protons and neutrons in an atom?
Atomic Number
Atomic Mass
Valence Electron
Compound
What are the number of protons in the nucleus of an atom of an element?
Element
Atomic Mass
Atomic Number
What are substances that cannot be broken down into simpler substances because its only made of one kind of atom?
Molecule
Mineral
Compound
Element
What are two or more atoms held together by covalent bonds?
Molecule
Mineral
Compound
Element
What are substances produced in a chemical reaction?
Reactors
Products
Producers
Reactants
What is a substance that takes part in and undergoes change when mixed together?
Reactor
Product
Reactant
Producer
What is the degree of compactness of a substance?
Density
Volume
Mass
What is the amount of space an object takes up?
Density
Mass
Volume
What do we call the physical property that's easily broken or not flexable?
Malleable
Brittle
Luster
Ductile
What is term used to describe a material that can be pulled out into a long wire?
Ductile
Brittle
Luster
Malleable
What is the quality of giving off light, brightness, glitter, brilliance?
Brittle
Luster
Ductile
Malleable
What is the physical property that is capable of being changed; easily shaped?
Ductile
Brittle
Malleable
Luster
What is a number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction?
Subscript
Coefficient
Atomic Number
What is a number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound?
Subscript
Coefficient
Atomic Number
What is a substance made up of atoms of two or more different elements joined by chemical bonds?
Reactant
Molecule
Compound
Product
What is the control center of the cell?
Nucleus
Atom
Neutron
Nucleolus
the ability of a substance to change.
Reactivity
Metalloid
Compound
State of Matter
anything that has mass and takes up space.
matter
mixture
atom
element
matter made of two or more elements (chemically bonded/cannot be separated by physical means)
compound
atom
element
mass
smallest unit of an element
atom
matter
compound
metal
two or more substances combined (mixed) physically, but not chemically.
mixture
compound
element
atom
a substance that is the building block of all matter (made of one kind of atom).
element
atom
compound
mixture
measurable amount of matter.
mass
reactivity
state of matter
mixture
Irreversible change (metal rusting)
Chemical Change
Physical Change
Formula
Equation
Reversible change (freezing liquid)
Chemical Change
Physical Change
Chemical Formula
Equation
What is the smallest part of a chemical element that can exist?
(a)
What is a pure form of matter than cannot be broken down into simpler substances?
(a)
A positively charged subatomic particle located in the nucleus.
compound
compound
electron
proton
A _____ is a subatomic particle that has no charge
atom
proton
electron
neutron
Identify the vocabulary term that means:
Number of protons in the nucleus of an atom
Valence Electron
Mass Number
Atomic Number
Identify the vocabulary term that means:
Electron that is found in the outermost shell of an atom and determines the atom's chemical properties
Bohr Model
Isotope
Valence Electron
Identify the vocabulary term that means:
Ion with a negative charge; Nonmetals gain electrons and form
Cation
Anion
Isotope
Identify the vocabulary term that means:
Diagram that shows the atom as a nucleus surrounded by electrons that travel in circular orbits about the nucleus
Bohr Model
Isotope
Valence Electron
Identify the vocabulary term that means:
Metals lose electrons and form
Cation
Anion
Isotope
Identify the vocabulary term that means:
Subatomic particle that has a negative charge.
Proton
Neutron
Electron
Exothermic
chemical reaction that releases energy
chemical reaction that absorbs energy
Endothermic
Chemical reaction that releases energy
Chemical reaction that absorbs energy
Who is the creator of the periodic table of elements?
Hank Green
Dmitri Mendeleev
De Chancourtois
Michael Aranda
In chemistry, __________________ is the combining power of an element.
ionic bonding
covalent bonding
energy
valency
A substance that is formed as the result of a chemical reaction is a __________________
Product
Reactant
Starters
Enders
What is the BEST definition of a chemical reaction?
A change in matter that produces one or more NEW substances
When two things combine and EXPLODE.
What is the definition of chemistry?
The study of matter
The study of substances and objects that can be seen, touched, and measured directly
The small particles that make up all matter
The use of philosophy and science performed by early chemists
The total energy of all the particles in a sample of matter is called —————.
It makes things hot or warm.
Total Energy
Thermal Energy
Kinetic Energy
Particle Energy
Not reacting or changing easily; an inert substance stays the same during a reaction.
conductivity
Inert
Energy
Able
A substance that speeds up a reaction without being used up.
Catalyst
Solubility
Viscosity
Subscript
Viscosity
how much wind blows per minute
How thick or sticky a liquid is
How fast something moves
How slow something moves
To make or create something, such as a chemical reaction producing gas or heat.
wander
produce
react
equals
