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Classes and Categories
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Misc 1
Misc 2
100
What is another name for the representative elements?
What is Group A
100
Who arranged the elements according to atomic mass and used the arrangement to predict the properties of missing elements?
What is Dmitri Mendeleev
100
How does atomic radius change from top to bottom in a group in the periodic table?
What is It tends to increase.
100
How many valence electrons are in a silicon atom?
What is 4
100
The atomic number of an element is the total number of which particles in the nucleus?
What is protons
200
What is another name for the transition metals?
What is Group B
200
The majority of elements are what category (metals, nonmetals, metalloids)
What is metals
200
How does atomic radius change from left to right across a period in the periodic table?
What is It tends to decrease.
200
What is A repetition of properties occurs when elements are arranged in order of increasing atomic number.
What is periodic law
200
What element has the electron configuration 1s^2 2s^2 2p^6 3s^ 2 3p^ 2?
What is silicon
300
Name elements that are in the same period as phosphorus?
What is magnesium
300
To what category does an element belong if it is a poor conductor of electricity?
What is nonmetals
300
What is the trend in atomic size on the periodic table?
What is decreases as you move from left to right across a period.
300
What is a horizontal row in the periodic table
What is period
300
Which of the following factors contributes to the decrease in ionization energy within a group in the periodic table as the atomic number increases?
What is increase in atomic size
400
Each period in the periodic table corresponds to a(n) ____.
What is principal energy level
400
Of the elements Pt, V, Li, and Kr, which is a nonmetal?
What is Kr
400
What is the element with the highest electronegativity value? Ca, Ce, He, or F
What is F
400
Describe the electron configuration of representative elements.
What is The highest occupied s and p sublevels are partially filled.
400
How many valence electrons are in an atom of magnesium?
What is 2
500
The modern periodic table is arranged in order of increasing atomic ____.
What is atomic number
500
Elements that are characterized by the filling of p orbitals are classified as
What is groups 3A to 8A
500
Which of the following elements has the smallest ionic radius? Li, K,O,or S
What is Li
500
What are the Group 1A and Group 7A elements examples of?
What is representative elements
500
How many valence electrons does a helium atom have?
What is 2