Periodic Table: Classifications quiz #5 Flashcards
Periodic Table: Classifications quiz #5
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Who arranged the periodic table in order of increasing atomic number?
Henry Moseley. How are the elements arranged?
By increasing atomic number. Metals are located where on the periodic table?
On the left and center. Which of the following would be classified as a metalloid?
Silicon (Si) would be classified as a metalloid. Which element is considered a metalloid?
Arsenic (As) is considered a metalloid. In what order did Mendeleev arrange the elements in the periodic table?
By increasing atomic mass. What are the rows of the periodic table of elements called?
Periods. How are elements on the periodic table arranged?
By increasing atomic number. How did Mendeleev group the elements?
By similar chemical properties and increasing atomic mass. What does the table organize the elements by?
By atomic number and chemical properties. Which of the following is a metal?
Iron (Fe) is a metal. Which of the elements listed is a metalloid?
Germanium (Ge) is a metalloid. How is the periodic table arranged today?
By increasing atomic number. Which set of elements contains a metalloid?
A set containing boron (B) contains a metalloid. How are the elements ordered on the periodic table?
By increasing atomic number. How are elements ordered on the periodic table?
By increasing atomic number. How is the periodic table structured with regard to elements with similar properties?
Elements with similar properties are grouped in columns (groups). How did Mendeleev organize the elements in his periodic table?
By increasing atomic mass and grouping similar elements. Which of the following is not a metalloid?
Phosphorus (P) is not a metalloid. What is an example of a metalloid?
Silicon (Si) is an example of a metalloid. Who arranged the periodic table by the atomic mass?
Dmitri Mendeleev. How many metalloids are on the periodic table?
There are 7 metalloids on the periodic table. Who arranged the elements into the first periodic table?
Dmitri Mendeleev. What property did Mendeleev use to organize his periodic table?
Increasing atomic mass. Which of the following does not describe a metal?
Being brittle does not describe a metal. How is the periodic table of the elements organized?
By increasing atomic number and similar properties. What property did Mendeleev use to organize the elements into a periodic table?
Atomic mass. Which characteristic belongs to metalloids?
Metalloids have properties of both metals and nonmetals. Elements organized by columns
Elements in columns are called groups or families and have similar properties. How many metalloids are there on the periodic table?
There are 7 metalloids. Which is an example of a metalloid?
Arsenic (As) is an example of a metalloid. Who arranged the periodic table by atomic number?
Henry Moseley. Which list of elements consists of metalloids?
Boron, silicon, germanium, arsenic, antimony, tellurium, and astatine. Which scientist organized the known elements into the periodic table?
Dmitri Mendeleev. How is the current periodic table organized?
By increasing atomic number. What are the left to right rows on the periodic table called?
Periods. What do we call the arrangement of elements with similar properties?
A group or family. What category of elements is found between the metals and nonmetals on the periodic table?
Metalloids. Which group of elements belongs to the f-block?
The lanthanides and actinides belong to the f-block. How are the elements on periodic table arranged?
By increasing atomic number.
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