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Study sets matching "chemistry 8th grade"

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Study sets matching "chemistry 8th grade"

27 terms
8th Grade Chemistry Review
Atom
Nucleus
Protons
Neutrons
smallest particle of an element; contains protons, neutrons,…
the central core of an atom containing protons and neutrons
located in nucleus; has a positive charge; determine element'…
located in nucleus; neutral (no) charge
Atom
smallest particle of an element; contains protons, neutrons,…
Nucleus
the central core of an atom containing protons and neutrons
49 terms
8th grade Chemistry Terms
Matter -
Chemical
Mass
volume -
anything that has mass and takes up space
any substance with a defined molecular structure.
the amount of matter in an object. Measured with a triple bea…
the amount of space an object takes up. Liquid volume is BEST…
Matter -
anything that has mass and takes up space
Chemical
any substance with a defined molecular structure.
31 terms
RRISD- 8th Grade Chemistry
precipitate
metal
nonmetal
metalloid
a solid that forms during a chemical reaction between two liq…
a class of elements characterized by physical properties that…
a class of elements that is usually a gas or brittle solid at…
a small class of elements that share some properties with met…
precipitate
a solid that forms during a chemical reaction between two liq…
metal
a class of elements characterized by physical properties that…
74 terms
CHEMISTRY 8th grade
atom
atomic mass
atomic number
boiling point
the malledt unit of an element; basic building block of matter
a mass of an element that is equal to the umber of protons an…
the number of protons an element has in its nucleus
the temperature at which gas bubbles form in a liquid and ris…
atom
the malledt unit of an element; basic building block of matter
atomic mass
a mass of an element that is equal to the umber of protons an…
18 terms
8th Grade Chemistry
Chemical properties
physical properties
chemical change
Physical change
describes how a substance reacts with other substances; don't…
properties that can be measured without changing the composit…
any change that results in the formation of a new substance
change in form of a substance, but no change in what the subs…
Chemical properties
describes how a substance reacts with other substances; don't…
physical properties
properties that can be measured without changing the composit…
25 terms
CHEMISTRY Fundamentals (8th Grade)
matter
atom
molecule
chemistry
- anything that has mass and volume... - the stuff of the physic…
- a single "Lego block" of matter made up of protons (+), neu…
- 2 or more atoms chemically bonded together ... in a specific r…
- the scientific study of matter and energy... - researching the…
matter
- anything that has mass and volume... - the stuff of the physic…
atom
- a single "Lego block" of matter made up of protons (+), neu…
24 terms
8th Grade Chemistry Review
Atom
Nucleus
Protons
Neutrons
smallest particle of an element; contains protons, neutrons,…
the central core of an atom containing protons and neutrons
located in nucleus; has a positive charge; determine element'…
located in nucleus; neutral (no) charge
Atom
smallest particle of an element; contains protons, neutrons,…
Nucleus
the central core of an atom containing protons and neutrons
50 terms
8th grade Chemistry Terms
Matter -
Chemical
Mass
volume -
anything that has mass and takes up space
any substance with a defined molecular structure.
the amount of matter in an object. Measured with a triple bea…
the amount of space an object takes up. Liquid volume is BEST…
Matter -
anything that has mass and takes up space
Chemical
any substance with a defined molecular structure.
8th Grade Chemistry
Matter
Element
92
oxygen, carbon, hydrogen, and nitrogen
What everything is composed of
A pure substance that cannot be broken down chemically into s…
How many naturally occurring elements are there?
What 4 elements make up 90% of an organisms mass?
Matter
What everything is composed of
Element
A pure substance that cannot be broken down chemically into s…
16 terms
Chemistry 8th grade
proton
neutron
electron
subscript
positively charged subatomic particle
neutral subatomic particle
negatively charged subatomic particle
number used to identify number of atoms in a molecule
proton
positively charged subatomic particle
neutron
neutral subatomic particle
66 terms
8th grade Chemistry Final
Basic Metric Units
Density Formula
Examples of matter
Phases of matter
Kilo / Hecto / Deca / BASIC /Deci / Centi / Milli
D= Mass / Volume
Anything that has mass and takes up space
Solid, liquid, gas and plasma
Basic Metric Units
Kilo / Hecto / Deca / BASIC /Deci / Centi / Milli
Density Formula
D= Mass / Volume
5 terms
8th Grade Science--Chemistry Terms
chemical compound
chemical reaction
metal
metalloid
substance made of two or more elements combined during a chem…
a process that produces chemical change
element that tends to lose electrons, becoming positively cha…
element which has the capacity to act as either a metal or a…
chemical compound
substance made of two or more elements combined during a chem…
chemical reaction
a process that produces chemical change
40 terms
8th Grade Science (Chemistry)
matter,
solid,
liquid,
gas,
Anything that has mass and takes up space
Definite shape and volume
A state of matter that has no definite shape but has a defini…
A state of matter with no definite shape or volume
matter,
Anything that has mass and takes up space
solid,
Definite shape and volume
28 terms
8th Grade Chemistry Review
Atom
Nucleus
Protons
Neutrons
smallest particle of an element; contains protons, neutrons,…
the central core of an atom containing protons and neutrons
located in nucleus; has a positive charge; determine element'…
located in nucleus; neutral (no) charge
Atom
smallest particle of an element; contains protons, neutrons,…
Nucleus
the central core of an atom containing protons and neutrons
35 terms
8th Grade Chemistry
precipitate
metal
nonmetal
metalloid
a solid that forms during a chemical reaction between two liq…
a class of elements characterized by physical properties that…
a class of elements that is usually a gas or brittle solid at…
a small class of elements that share some properties with met…
precipitate
a solid that forms during a chemical reaction between two liq…
metal
a class of elements characterized by physical properties that…
15 terms
8th grade chemistry
Charge of Proton
Charge of Neutron
Charge of Electron
Elements
Positive
Neutral
Negative
Cannot be separated into simpler substances using ordinary ways
Charge of Proton
Positive
Charge of Neutron
Neutral
21 terms
8th grade chemistry vocab
acid
alkali/base
neutralization
chemical reaction
Compounds that ionize (break up) in water to give hydrogen (H…
any substance that produces OH- ions when dissolved in water.…
a type of chemical reaction in which a strong acid and strong…
occurs when reactants combine to cause a chemical change
acid
Compounds that ionize (break up) in water to give hydrogen (H…
alkali/base
any substance that produces OH- ions when dissolved in water.…
52 terms
8th grade Chemistry Terms
Matter -
Chemical
Mass
volume -
anything that has mass and takes up space
any substance with a defined molecular structure.
the amount of matter in an object. Measured with a triple bea…
the amount of space an object takes up. Liquid volume is BEST…
Matter -
anything that has mass and takes up space
Chemical
any substance with a defined molecular structure.
45 terms
8th grade Chemistry Terms
Matter -
Chemical
Mass
volume -
anything that has mass and takes up space
any substance with a defined molecular structure.
the amount of matter in an object. Measured with a triple bea…
the amount of space an object takes up. Liquid volume is BEST…
Matter -
anything that has mass and takes up space
Chemical
any substance with a defined molecular structure.
74 terms
8th grade chemistry review
Element
Atoms
Properties
Physical Changes
A pure substance that cannot be separated into simpler substa…
Elements are made of particles called _____
Each element can be identified by its unique set of __________
How can mixtures be separated?
Element
A pure substance that cannot be separated into simpler substa…
Atoms
Elements are made of particles called _____
13 terms
8th grade chemistry terms
Chemical Formula
Subscript
Chemical Reaction
Chemical Equation
a combination of symbols and numbers that represent the numbe…
a small number to the right of a symbol that is written below…
when substances interact to form one or more new substances w…
a combination of chemical formulas used to describe what happ…
Chemical Formula
a combination of symbols and numbers that represent the numbe…
Subscript
a small number to the right of a symbol that is written below…
27 terms
8th Grade STAAR Chemistry
Atom
Nucleus
Protons
Neutrons
smallest particle of an element; contains protons, neutrons,…
the central core of an atom containing protons and neutrons
located in nucleus; has a positive charge; determine element'…
located in nucleus; neutral (no) charge
Atom
smallest particle of an element; contains protons, neutrons,…
Nucleus
the central core of an atom containing protons and neutrons
46 terms
8th Grade STAAR Chemistry
Acceleration
Balanced Force
Biomass
Chemical Energy
how speed changes with time; can be positive (speeding up) or…
do not cause a change in motion; equal in size and opposite i…
plant materials and animal waste used as fuel
energy stored in the bonds of molecules and compounds (all li…
Acceleration
how speed changes with time; can be positive (speeding up) or…
Balanced Force
do not cause a change in motion; equal in size and opposite i…
40 terms
8TH Grade Chemistry Review
Isotope
Ion
Atom
Nucleus
One of two or more atoms with the same atomic number but with…
An atom that has a positive or negative charge
The basic unit of matter; smallest part of an element
The center of the atom which contains the protons and neutrons
Isotope
One of two or more atoms with the same atomic number but with…
Ion
An atom that has a positive or negative charge
25 terms
8th Grade Chemistry Review
Atom
Nucleus
Protons
Neutrons
smallest particle of an element; contains protons, neutrons,…
the central core of an atom containing protons and neutrons
located in nucleus; has a positive charge; determine element'…
located in nucleus; neutral (no) charge
Atom
smallest particle of an element; contains protons, neutrons,…
Nucleus
the central core of an atom containing protons and neutrons
38 terms
8th Grade Chemistry Review
Atom
Nucleus
Protons
Neutrons
smallest particle of an element; contains protons, neutrons,…
the central core of an atom containing protons and neutrons
located in nucleus; has a positive charge; determine element'…
located in nucleus; neutral (no) charge
Atom
smallest particle of an element; contains protons, neutrons,…
Nucleus
the central core of an atom containing protons and neutrons
13 terms
8th Grade Science (Chemistry)
atom
proton
neutron
electron
(n.): the smallest piece of a chemical element
(n.): in the nucleus, has a positive charge
(n.): in the nucleus, has no charge
(n.): goes around the nucleus, has a negative charge
atom
(n.): the smallest piece of a chemical element
proton
(n.): in the nucleus, has a positive charge
13 terms
8th Grade Science (Chemistry)
substance
element
compound
physical property
(n.): one type of matter (example: gold)
(n.): a substance that can't be taken apart into other substa…
(n.): when two or more elements are put together (Ex: Water i…
(n.): something you can see or measure without chemically cha…
substance
(n.): one type of matter (example: gold)
element
(n.): a substance that can't be taken apart into other substa…
27 terms
8th Grade STAAR Chemistry
Atom
Nucleus
Protons
Neutrons
smallest particle of an element; contains protons, neutrons,…
the central core of an atom containing protons and neutrons
located in nucleus; has a positive charge; determine element'…
located in nucleus; neutral (no) charge
Atom
smallest particle of an element; contains protons, neutrons,…
Nucleus
the central core of an atom containing protons and neutrons
41 terms
8th Grade Chemistry Vocabulary
reactivity
Chemical Change
melting
condensation
ability of two or more substances to combine and form one or…
when one or more substances change into entirely new substances
change of state in which a solid becomes a liquid when energy…
a substance changes from a gas to a liquid
reactivity
ability of two or more substances to combine and form one or…
Chemical Change
when one or more substances change into entirely new substances
43 terms
HMS 8th Grade - Chemistry
Isotope
Ion
Atom
Nucleus
One of two or more atoms with the same atomic number but with…
An atom that has a positive or negative charge
The basic unit of matter; smallest part of an element
The center of the atom which contains the protons and neutrons
Isotope
One of two or more atoms with the same atomic number but with…
Ion
An atom that has a positive or negative charge
27 terms
8th Grade STAAR Chemistry
Atom
Nucleus
Protons
Neutrons
smallest particle of an element; contains protons, neutrons,…
the central core of an atom containing protons and neutrons
located in nucleus; has a positive charge; determine element'…
located in nucleus; neutral (no) charge
Atom
smallest particle of an element; contains protons, neutrons,…
Nucleus
the central core of an atom containing protons and neutrons
43 terms
Intro to Chemistry-8th grade
Chemistry
Matter
5 examples of matter
5 examples of things that are NOT matter
The study of matter and how it changes
anything that has mass and occupies space (you can put it in…
oxygen, water, sugar, hydrogen, muddy water, carbon
sound, gravity, energy, light, heat, magnetism
Chemistry
The study of matter and how it changes
Matter
anything that has mass and occupies space (you can put it in…
25 terms
Basic chemistry - 8th grade
atom
proton
neutron
electron
smallest particle of ordinary matter
positively charged particle in the nucleus of an atom; the nu…
particle in the nucleus of an atom that has no charge
negatively charged particle that is found in the outer region…
atom
smallest particle of ordinary matter
proton
positively charged particle in the nucleus of an atom; the nu…
15 terms
8th Grade Chemistry-Chemical Reactions
compound
molecule
mixture
chemical formula
substance made of two or more atoms of different elements che…
two or more atoms
a substance consisting of two or more substances mixed togeth…
way of expressing the numbers and types of atoms in a compound
compound
substance made of two or more atoms of different elements che…
molecule
two or more atoms
15 terms
8th Grade Chemistry-Periodic Table
period
group/family
reactivity
metal
rows of the periodic table
columns of the periodic table
the ability of a substance to combine chemically with another…
a class of elements characterized by physical properties that…
period
rows of the periodic table
group/family
columns of the periodic table
15 terms
8th Grade Chemistry-Chemical Reactions
compound
molecule
mixture
chemical formula
substance made of two or more atoms of different elements che…
two or more atoms
a substance consisting of two or more substances mixed togeth…
way of expressing the numbers and types of atoms in a compound
compound
substance made of two or more atoms of different elements che…
molecule
two or more atoms
21 terms
8th Grade Chemistry
atomic number
electron cloud
half-life
atomic mass
# of protons or electrons
A region around the nucleus of an atom where electrons are to…
How long it takes for half of the atoms to decay
Number of protons and neutrons
atomic number
# of protons or electrons
electron cloud
A region around the nucleus of an atom where electrons are to…
14 terms
8th Grade Chemistry
atoms
Its particles move faster
A liquid becoming a gas
Dilute
What are basic particles make up all the elements?
What happens to the particles of a substances when thermal en…
What is vaporization?
Adding more solvent to a solution makes the solution more ___…
atoms
What are basic particles make up all the elements?
Its particles move faster
What happens to the particles of a substances when thermal en…
14 terms
Chemistry, 8th Grade Science
atom
proton
Neutron
electron
the smallest unit of matter that retains the identity of the…
subatomic particle with a positive charge and located in the…
subatomic particle with no charge, the same mass as a proton,…
subatomic particle with a negative charge and located outside…
atom
the smallest unit of matter that retains the identity of the…
proton
subatomic particle with a positive charge and located in the…
139 terms
8th grade chemistry review
Element
Pure Substance
Atoms
Properties
A pure substance that cannot be separated into simpler substa…
A substance in which there is only one type of particle is a…
Elements are made of particles called _____
Each element can be identified by its unique set of __________
Element
A pure substance that cannot be separated into simpler substa…
Pure Substance
A substance in which there is only one type of particle is a…
27 terms
8th Grade Chemistry Review
Atom
Nucleus
Protons
Neutrons
smallest particle of an element; contains protons, neutrons,…
the central core of an atom containing protons and neutrons
located in nucleus; has a positive charge; determine element'…
located in nucleus; neutral (no) charge
Atom
smallest particle of an element; contains protons, neutrons,…
Nucleus
the central core of an atom containing protons and neutrons
40 terms
8TH Grade Chemistry Review
Isotope
Atom
Nucleus
One of two or more atoms with the same atomic number but with…
The basic unit of matter; smallest part of an element
The center of the atom which contains the protons and neutrons
Isotope
One of two or more atoms with the same atomic number but with…
Atom
The basic unit of matter; smallest part of an element
29 terms
8th Grade Chemistry Review
Atom
Nucleus
Protons
Neutrons
smallest particle of an element; contains protons, neutrons,…
the central core of an atom containing protons and neutrons
located in nucleus; has a positive charge; determine element'…
located in nucleus; neutral (no) charge
Atom
smallest particle of an element; contains protons, neutrons,…
Nucleus
the central core of an atom containing protons and neutrons
19 terms
Chemistry 8th Grade
Subscript
Coefficient
Chemical Equation
Element Molecule
The number of ATOMS of a particular element in a chemical for…
A numerical representation of the number of MOLECULES in a co…
a representation of the reactants, the products, the physical…
Molecule containing 2 or more atoms of the same element.
Subscript
The number of ATOMS of a particular element in a chemical for…
Coefficient
A numerical representation of the number of MOLECULES in a co…
22 terms
8th Grade Chemistry
atom
atomic number
electrical charge
energy level
smallest component of an element having the chemical properti…
the number of positive charges or protons in the nucleus of a…
when the number of protons in the nucleus differs from the nu…
also called a shell; the possible locations around an atom wh…
atom
smallest component of an element having the chemical properti…
atomic number
the number of positive charges or protons in the nucleus of a…
23 terms
8th Grade Chemistry Review
Atom
Nucleus
Protons
Neutrons
smallest particle of an element; contains protons, neutrons,…
the central core of an atom containing protons and neutrons
located in nucleus; has a positive charge; determine element'…
located in nucleus; neutral (no) charge
Atom
smallest particle of an element; contains protons, neutrons,…
Nucleus
the central core of an atom containing protons and neutrons
15 terms
8th Grade Chemistry-Chemical Reactions
compound
molecule
mixture
chemical formula
substance made of two or more atoms of different elements che…
two or more atoms
a substance consisting of two or more substances mixed togeth…
way of expressing the numbers and types of atoms in a compound
compound
substance made of two or more atoms of different elements che…
molecule
two or more atoms
27 terms
8th Grade STAAR Category 1 Chemistry
Atom
Nucleus
Proton
Neutron
smallest particle of an element; contains protons, neutrons,…
the central core of an atom containing protons and neutrons,…
located in nucleus; has a positive charge of +1; a mass of 1…
located in nucleus; neutral (no) charge, has a mass of 1 AMU
Atom
smallest particle of an element; contains protons, neutrons,…
Nucleus
the central core of an atom containing protons and neutrons,…
14 terms
8th grade Chemistry Unit
atom
neutron
electron
protron
(physics and chemistry) the smallest component of an element…
A subatomic particle that has no charge and that is found in…
A subatomic particle that has a negative charge
partical that carries a positive charge
atom
(physics and chemistry) the smallest component of an element…
neutron
A subatomic particle that has no charge and that is found in…
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