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Periodic Table 2

CAVA chem 302 303 S1U3L2 Periodic Table Continued

QuestionAnswer
The periodic table has changed dramatically since the time of [...]. The periodic table has changed dramatically since the time of Mendeleev.
In the modern periodic table, the elements are organized by [...] instead of atomic mass. In the modern periodic table, the elements are organized by atomic number instead of atomic mass.
If you know the atomic number, you also know the number of [...] in an electrically neutral atom—the numbers are equal. If you know the atomic number, you also know the number of electrons in an electrically neutral atom—the numbers are equal.
Valence electrons are the electrons in the [...] orbital of an atom. Valence electrons are the electrons in the outermost (highest energy) orbital of an atom.
Since chemical reactivity depends largely on the number of [...] electrons, the periodic table is used to predict the reactivity of elements. Since chemical reactivity depends largely on the number of valence electrons, the periodic table is used to predict the reactivity of elements.
The periodic table provides information about the atoms of individual [...]. The periodic table provides information about the atoms of individual elements.
Generally, each element is identified by its [...], atomic number, and average atomic mass. Generally, each element is identified by its chemical symbol, atomic number, and average atomic mass.
SOME (but not most) periodic tables give [...]-coded information such as the physical state at room temperature of individual elements. SOME (but not most) periodic tables give color-coded information such as the physical state at room temperature of individual elements.
A period is a [...] of the periodic table. A period is a horizontal row of the periodic table.
As you travel across an individual period from left to right, the [...] increases. As you travel across an individual period from left to right, the atomic number increases. *Note: The atomic mass does not always increase, there are times when it actually goes down between two elements.
A group is a [...] of the periodic table. A group is a vertical column of the periodic table.
there are different ways to name the groups. One system numbers the groups from 1 to [...]. there are different ways to name the groups. One system numbers the groups from 1 to 18.
Noble gases are Group [...]. Noble gases are Group 18.
Elements in the same group have the same number of [...] electrons. Elements in the same group have the same number of valence electrons.
Elements in the same group have many of the same [...] properties and react similarly. Elements in the same group have many of the same chemical properties and react similarly.
The periodic table can be broken into larger (than groups) [...] of elements with (fairly) similar properties. The periodic table can be broken into larger (than groups) blocks of elements with similar properties.
There are four blocks that organize the periodic table into structural regions: the [...], [...], [...], and [...] -blocks. There are four blocks that organize the periodic table into structural regions: the s-, p-, d-, and f -blocks.
Key to remembering the block names and order "[...]" Key to remembering the blocks "Some People Do Fine... on the test"
Generally, each element is identified by its chemical symbol, [...], and average atomic mass. Generally, each element is identified by its chemical symbol, atomic number, and average atomic mass.
Generally, each element is identified by its chemical symbol, atomic number, and [...]. Generally, each element is identified by its chemical symbol, atomic number, and average atomic mass.
Created by: mr.shapard
 

 



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