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Periodic Table of Elements
Chemistry: 5.1 and 5.2
Terms in this set (33)
Mendeleev noticed that when the elements were arranged in order of increasing ______ ______, certain similarities in their chemical properties appeared at regular intervals
Something tat is _____ occurs in a repeating pattern
Who is credited with creating the first periodic table?
Moseley rearranged the periodic table so that elements are listed by increasing ______ ____ (which is how our _____ periodic table is organized)
atomic number, modern
The _____ _____ states that when elements are arranged in order of increasing atomic number, elements with similar properties appear at regular intervals
In the modern periodic table, elements that have similar properties fall in the same _____
The nonreactive elements in Group 18 are known as the _______. These elements do not react because their outermost energy levels are full of electrons
F block elements located in period 6 are called the ___
F block elements located in period 7 are called the _____
The reason for periodicity is the arrangement of ____ around the nucleus
A row in the periodic table is called a _____
An element's electron configuration is (Ar)3d^104s^24p^3. Which period is this element?
Which groups are included in the s block?
1 and 2
Which groups are included in the p block?
Which groups are included in the d block?
What is the name of the Group 1 elements?
What is the name of Group 2 elements?
All of the elements in Groups 1 through 12 are ______
Group 1 elements are more ______ than Group 3 elements because they have only one valence electron
______ metals have a silvery appearance and are soft enough to cut with a knife, but are rarely found in nature as free elements because they are so reacitve
______ metals have two electrons in their outer s sublevel and are harder, denser, and stronger than Group 1 metals. They are also too ____ to be found in nature as free elements
Alkaline- earth metals, reactive
Although it is located above Group 1 elements, ____ is a unique element with properties that do not closely resemble those of any group
_____ is like a group 2 element in that is has an ns^2 configuration but it is part of Group 18 because its full energy level and subsequent chemical stability
Give the group, period, and block in which the element with the electron configuration (Rn) 7s^1 is located
2, 7, s
The d block elements are metals with typical metallic properties and are often referred to as the ______
_____ are good conductors of electricity and have high luster. They are also less reactive than the Group 1 and Group 2 metals, and therefore some can exist as free elements
Transition elements metals
The p block elements together with the s block elements are called the ______ elements
Main group elements
For p block elements, the total number of electrons in the highest occupied level is equal to the group number minus ______
All of the ______ and the metalloids are located in the p block
The elements of Group 17 are known as the ______
The most reactive nonmetals are known as the ______. They are so reactive because they are just one electron short of a full valence shell
The brittle solids that have properties of both metals and nonmetals are known as the ____ or the _______-f
All of the ______ are radioactive, some have been found on earth whereas others are synthetic
THIS SET IS OFTEN IN FOLDERS WITH...
Chemistry: 5.3 part 1: Atomic Radii
Chemistry: 5.3 part 2- Ionization Energy
Chemistry: 5.3 part 3- Electronegativity
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