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Section 1

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Molecule

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Chemistry Science

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (22)

Section 1

(22 cards)

Molecule

Front

two or more atoms that are held together by chemical bonds and act as a unit. Does not matter if atoms are the same or are different from each other.

Back

Properties of alkali metals

Front

extremely reactive only 1 electron/can lose that electron quickly/can be cut easily

Back

Properties of Metals

Front

Shiny malleable ductile/ good conductors of heat and electricity

Back

Metalloids

Front

found on a zigzag line in between metals and nonmetals

Back

Homogenous mixture

Front

Matter in which two or more substances are evenly mixed, but not bonded together, have a uniform appearance.

Back

Properties of alkaline earth metals

Front

Not as reactive as alkali metals/ very reactive/only 2 electrons on outer energy level/ can lose their electrons quickly

Back

Properties of transition metals

Front

hard dense malleable ductile/good conductors of heat and electricity/ have 1 to 4 electrons in outer energy level

Back

Period

Front

one of the horizontal rows of elements on the periodic table

Back

Heterogenous mixture

Front

Matter in which two or more substances are NOT evenly mixed, are bonded together and do NOT have a uniform appearance.

Back

Lanthanide series

Front

The lanthanide series is the part of the periodic table with elements which have atomic numbers 57-71

Back

alkaline earth metals

Front

Metals found in group 2

Back

Compound

Front

A substance made of two or more elements that are chemically joined in a specific combination.

Back

Properties of noble gasses

Front

completely unreactive/full outer energy level/very stable

Back

Metal

Front

three major types of metals on the periodic table metals non metals metalloids

Back

Non metals

Front

are found to the right of the diagonal line on the periodic table

Back

alkali metals

Front

Metals found in group one

Back

Properties of Non-Metals

Front

poor conductors of heat and electricity/ low density/ dull and brittle

Back

Group

Front

A column of elements on the periodic table

Back

Transition metals

Front

The metals found in groups 3-12

Back

Properties of Metalloids

Front

changing ability to conduct/semiconductors

Back

Noble gasses

Front

Elements found in group 18

Back

Actinide series

Front

The Actinide series is the part of the periodic table with elements which atomic numbers 89-103

Back