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High School Physical Science Chemistry Review

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Section 1

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Nebula

Front

1 / 50

Physics

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Last updated

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Date created

Mar 1, 2020

Cards (50)

Section 1

(50 cards)

Nebula

Front

A large cloud of dust and gas in space

Back

Anion

Front

A negatively charged ion

Back

electrons

Front

Negatively charged particles

Back

the number of protons in a carbon atom

Front

6 protons

Back

The atomic symbol for Iron

Front

Fe

Back

liquid

Front

A state of matter that has no definite shape but has a definite volume.

Back

The number of valence electrons in an atom of Flourine

Front

7 electrons

Back

Fukushima

Front

Nuclear power plant in japan, largest disaster since Chernobyl. Caused by a series of equipment failures, nuclear meltdown (core was damaged due to overheating) followed by Tohoku earthquake.

Back

nuclear fission

Front

A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy

Back

Cation

Front

A positively charged ion

Back

The atomic symbol for Neon

Front

Ne

Back

the number of valence electrons in an atom of oxygen

Front

6 valence electrons

Back

Bohr model

Front

model of the atom in which electrons move rapidly around the nucleus in paths called orbits

Back

Electronegativity

Front

a measure of the tendency of an atom to attract a bonding pair of electrons

Back

the atomic symbol for Sodium

Front

Na

Back

Gas

Front

A state of matter with no definite shape or volume

Back

Chernobyl

Front

A city in Ukraine that was the site of a 1986 meltdown at a Soviet nuclear power plant.

Back

Subscript

Front

A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound

Back

unbalanced chemical equation

Front

The numbers of atoms of each element are NOT equal on both sides of the equation

Back

Molecule

Front

two or more atoms held together by covalent bonds

Back

The number of protons in a nitrogen atom

Front

7 protons

Back

nuclear fusion

Front

a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.

Back

product

Front

A substance produced in a chemical reaction

Back

solid

Front

A state of matter that has a definite shape and volume

Back

Isotope

Front

Atoms of the same element that have different numbers of neutrons

Back

Atom

Front

the basic unit of a chemical element.

Back

chain reaction

Front

A series of reactions in which the product or by-product of the reaction initiates further reaction.

Back

the surface temperature of the sun

Front

5800 K

Back

Element

Front

A pure substance made of only one kind of atom

Back

Dimitri Mendeleev

Front

Organized the periodic table of elements

Back

Coefficient

Front

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.

Back

endothermic reaction

Front

A reaction that absorbs thermal energy

Back

physical reaction

Front

a change in matter that does not affect its chemical composition

Back

black hole

Front

An object in space whose gravity is so strong not even light can escape.

Back

Hydrogen

Front

the element which is involved in the majority of fusion reactions in the Sun

Back

protons

Front

Positively charged particles

Back

Neutrons

Front

the particles of the nucleus that have no charge

Back

Ions

Front

positively and negatively charged atoms

Back

Albert Einstein

Front

Physicist born in Germany who formulated the special theory of relativity and the general theory of relativity.

Back

valence electrons

Front

Electrons on the outermost energy level of an atom

Back

balanced chemical equation

Front

chemical equation with the same number of atoms of each element on both sides of the equation

Back

aqueous

Front

dissolved in water

Back

Isoelectronic

Front

having the same number of electrons

Back

chemical reaction

Front

the process by which one or more substances change to produce one or more different substances

Back

electron orbitals

Front

volumes of space surrounding the atomic nucleus where electrons are likely to be found

Back

The law of conservation of mass

Front

Matter is not created nor destroyed in any chemical or physical change

Back

Alfred Nobel

Front

Swedish chemist who invented dynamite and founded the Nobel Peace Prizes

Back

Reactant

Front

A chemical substance that is present at the start of a chemical reaction

Back

the atomic symbol for Nitrogen

Front

N

Back

exothermic reaction

Front

A reaction that releases thermal energy

Back