Periodic Table
Periodic Table part 2
states of matter
chemical/ physical changes
Conservation
100
chemical symbols and subscripts to identify the number and types of atoms that make up a molecule of a compound
What is a chemical formula
100
Elements in group 3-12 of the periodic table
What is the transition metals
100
a substance with a definite shape and volume
What is a solid
100
a characteristic that can be observed or measured without changing the identity of a substance
What is physical property
100
substance that reacts with another substance in a chemical equation
What is reactant
200
a one- or two-letter code used to represent an element
What is a chemical symbol
200
elements in group 1- they have only one valence electron
What are the alkali metals
200
a substance that has neither a definite shape nor a definite volume
What is a gas
200
a characteristic that determines how a substance will interact with other substances during a chemical reaction
What is a chemical property
200
law that states the matter can not be created or destroyed during a physical or chemical change
What is the law of conservation of mass/matter
300
electrons in the outermost energy level
What is valence electrons
300
metals in group 2 of the periodic table- they have two valence electrons
What are the alkaline earth metals
300
a substance that has a definite volume but no definite shape
What is a liquid
300
a change that alters the physical properties of a substance without changing the identity of the substance
What is a physical change
300
a substance that is produced during a chemical change
What is a product
400
each horizontal row in the periodic table
What is a period
400
Group 18, the last group of elements on the periodic table and the least reactive elements
What are the noble gases
400
the fourth state of matter that forms when a gas becomes hot enough for the energy to remove electrons from its atoms
What is plasma
400
how likely the atoms or molecules of one substance are to form bonds with the atoms or molecules of other substances
What is reactivity
400
a substance on the pH scale less than 7
What is an acid
500
a vertical column in the periodic table
What is a group
500
the number of valence electrons in group 17
What is 7 because 17-10= 7
500
the process in which a gas turns into a liquid
What is condensation
500
when one substance changes into a new substance with different properties
What is a chemical change
500
a substance on the pH scale greater than 7
What is a base
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