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Periodic Table of Elements
Wednesday Test Review
It do be review tho
Terms in this set (27)
Mendeleev created the first periodic table by arranging elements in order of increasing atomic ____.
Chemists changed Mendeleev's periodic table in the early 1900s by using the atomic ______ instead of atomic mass to organize the elements.
Most metals are NOT ______ at room temperature.
In the periodic table, the most reactive metals are found in ______ ______.
Which family on the periodic table contains the most elements?
A metal is said to be _______ if it can be pulled out, or drawn into a long wire.
In an atom, the number of protons equals the number of _________.
The elements in a column/group of the periodic table have similar __________.
The element's ______ ______ in the periodic table indicates the number of protons the atom has.
The two most common alkaline earth metals are _______ and magnesium.
Gold, silver, copper and nickel are __________ metals.
__________ are a group of elements that share characteristics with both metals and nonmetal
Elements that do not ordinarily form compounds are _____ _____.
_________ in atoms have a negative electric charge.
Fluorine, chlorine, bromine, and iodine are part of a family called ________.
The maximum number of electrons the third level of an atom can hold is __
The outer energy level of an atom can hold a maximum of _ electrons with the exception of hydrogen and helium.
The horizontal rows in the periodic table are known as _______.
The elements in a group of the periodic table have _______ characteristics.
________ have no charge; they are neutral.
_________ are poor conductors of heat and electricity.
Each element is given a specific ______ that usually consists of one or two letters.
The _______ is the very small center core of an atom.
Part of ________ atomic theory was atoms cannot be created or destroyed in any chemical change, only rearranged.
Atoms of the same element that have different number of neutrons are ________.
______ are smaller particles that make up protons and neutrons.
Copper has an atomic number of 29 and an atomic mass of 63. Explain how to calculate how many neutrons copper has.
subtract the atomic number from the atomic mass
Recommended textbook explanations
Matta, Staley, Waterman, Wilbraham
World of Chemistry
Davis, Frey, Sarquis, J., Sarquis, M.
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