Mendeleev
The Table
Groups
Key Terms
more terms
100
Mendeleev arranged the known chemical elements in a table according to increasing.....
What is mass?
100
In a periodic table, a set of properties repeats from...
What is row to row?
100
Group 7A of the periodic table contains the ....
What is most reactive nonmetals?
100
A _____________ is an arrangement of elements in columns, based on a set of properties that repeat from row to row.
What is a periodic table?
100
elements that are poor conductors of heat and electricity are called
What are nonmetals?
200
Mendeleev gave the name eka-aluminum to a .....
What is an unknown element he predicted would have similar properties to those of aluminum?
200
In a periodic table a row of elements going across is called a ...
What is a period?
200
At room temperature, none of the metals are....
What is a gas?
200
each row in a table of elements is called a
What is a period?
200
an electron that is in the highest occupied energy level, the outermost shell is called
What is valence electron?
300
When Mendeleev organized elements in his periodic tale in order of increasing mass, elements with similar properties were in the same .....
What is column?
300
In a periodic table elements that are in a column are called a ...
What is a group?
300
Group 1A the alkali metals, the reactivity does what from the top to the bottom...
What is become more reactive?
300
each column on the periodic table is called a
What is a group?
300
The pattern of repeating properties of elements revealed in the periodic table is known as the ......
What is periodic law?
400
Mendeleev based his table on what type of game?
What is a card game?
400
Moving from left to right across a row of the periodic table, values increase by....
What is atomic number?
400
Group 5A contains elements used in fertilizers like phosphorous and ....
What is nitrogen
400
elements that are good conductors of electric currents and heat are called....
What are metals?
400
Atoms of the most reactive elements tend to have, how many valence electrons, either ____ or _____
What is 1 or 7 valence electrons?
500
Mendeleev's periodic table was useful because it enabled scientists to predict properties of unknown....
What are elements?
500
As you move from left to right across a period, the number of valence electrons ...
What is increases?
500
Except for water, most of the compounds in your body contain this element from Group 4A
What is carbon?
500
elements that fall between metal and nonmetals are called
What are metalloids?
500
From left to right across a period in the periodic table, elements become less metallic and more ______ in their properties
What is non metallic?
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