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Section 1

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concentration

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Chemistry Science

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Date created

Mar 1, 2020

Cards (42)

Section 1

(42 cards)

concentration

Front

the amount of solute that is dissolved in a solvent at a particular temperature

Back

compound

Front

a substance made up of two or more different types of atoms bonded together

Back

precipitate

Front

a solid substance that forms as a result of a chemical reaction between chemicals in two liquids

Back

group

Front

a vertical column in the periodic table of the elements that have similar properties

Back

control group

Front

A standard set up in which to the experimental results are compared

Back

ion

Front

an atom or group of atoms that has a positive or negative electric charge; forms by atoms gaining or losing electrons

Back

atomic mass #

Front

the total number of protons and neutrons in an atom's nucleus

Back

product

Front

a substance formed by a chemical reaction; made by the rearrangement of atoms and bonds in reactants

Back

acid

Front

a substance that can donate a proton to another substance that has a ph below 7

Back

Law of Conservation of Mass

Front

a scientific law stating that during a chemical reaction, matter is not created nor destroyed.

Back

base

Front

a substance that can accept a proton from another substance that has a ph above 7

Back

proton

Front

a positively charged particle located in an atom's nucleus

Back

periodic table

Front

a table of the elements, arranged by atomic number, that shows the patterns in their properties

Back

element

Front

a substance that cannot be broken down into a simpler substance by ordinary chemical changes. Consists of atoms of only one type

Back

metal

Front

an element that tends to be shiny, easily shaped, and a good conductor of electricity and heat

Back

nonmetal

Front

an element that is not a metal and has properties generally opposite to those of a metal

Back

metalloid

Front

an element that has properties of both metals and nonmetals

Back

saturated

Front

a solution containing the maximum amount of a solute that can be dissolved in a solvent at a given temperature

Back

reactant

Front

a substance that is present at the beginning of a chemical reaction, takes part in the chemical reaction, and is changed into a new substance

Back

solute

Front

in a solution, a substance that is dissolved in a solvent

Back

solution

Front

a mixture of two or more substances that is the same throughout

Back

pH

Front

the concentration of hydrogen ions in a solution; measurement of acidity

Back

chemical reaction

Front

the process by which chemical changes occur and new substances are formed; atoms are rearranged - chemical bonds are broken and formed

Back

solvent

Front

in a solution, the substance that dissolves a solute

Back

neutral

Front

describing a solution that is neither an acid nor a base substance that has a pH of 7

Back

variable

Front

Any factor that can change in a controlled experiment

Back

nucleus

Front

the central region of an atom where most of the atom's mass is found in protons and neutrons

Back

solubility

Front

the amount of a solute that dissolves in a certain amount of a solvent at a given temperature to produce a saturated solution

Back

chemical formula

Front

an expression that shows the number and types of atoms joined in a compound

Back

subscript

Front

The number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound

Back

heterogeneous mixture

Front

A substance that is not uniform throughout.

Back

dilute

Front

a solution having a low concentration of solute

Back

molecule

Front

a group of atoms that are held together by covalent bonds so that they move

Back

period

Front

a horizontal row in the periodic table of the elements that have varying properties

Back

atomic number

Front

the total number of protons in an atom's nucleus

Back

reactive

Front

property in which a substance is likely to undergo a chemical change

Back

neutron

Front

a neutral particle located in an atom's nucleus

Back

homogeneous mixture

Front

A substance that is evenly spread throughout. Particles not distinguishable.

Back

electron

Front

a negatively charged particle located outside an atom's nucleus about 2000 times smaller than either a proton or neutron

Back

semiconductor

Front

a material that can precisely control the conduction of electrical signals

Back

coefficient

Front

the number before a chemical formula that indicates how many molecules are involved in a chemical reaction

Back

catalyst

Front

a substance that increases the rate of a chemical reaction but is not consumed in the reaction

Back