The periodic table is a chart that is organized by increasing ________ _________.
What is atomic number?
100
This is the number at the top of the element tile that indicates the number of protons in an element.
What is the atomic number? (Z)
100
This is the only non-metal found on the left of the periodic table.
What is Hydrogen?
100
Elements in this family of non-metals have 7 valence electrons and easily form ionic bonds with with metals.
What is are Halogens?
100
What do you do with a dead chemist? (its an element)
What is barium?
200
This is the Russian chemist and inventor who created the periodic table in 1869.
Who is Dmitri Mendeleev? (accept Mendeleev)
200
This element represented by the element symbol Sb.
What is Antimony?
200
All are solid except for mercury.
What are metals?
200
Elements in this family are the most reactive of all metals.
What is alkali metals?
200
Alkali metals increase in activity as you go ___ the group on the periodic table.
What is DOWN?
300
This is the name for each column on the periodic table. (there are 18)
What is a GROUP?
300
This number tells you the number of protons plus the number of neutrons for an atom.
What is the mass number (A)?
300
These poor conductors of heat and electricity are brittle when solid.
What are non-metals?
300
Elements from this family each have two valence electrons and are soft, silver metals.
What are alkaline earth metals?
300
Halogens get more reactive as you go ___ the group on the periodic table.
What is UP?
400
This is the name for each row on the periodic table. (there are seven)
What is a PERIOD?
400
This element has an average atomic mass of 26.981.
What is Aluminum?
400
All solids, this class consists of elements that have a metallic luster, are brittle, and have medium to good electrical conductivity.
What are metalloids? (accept semiconductors)
400
Elements from this family never form compounds. Ever.
What is noble gases?
400
This element has a charge of 1+ and 18 electrons.
What is Aluminum?
500
This is where metals are located on the periodic table.
What is on the LEFT side of the staircase?
500
This element has 107 protons. It also explains what Mrs. Scott does to the students when she lectures for the entire class period.
What is Bohrium?
500
Owen has an unknown sample of an element in the lab. It is silver and brittle in appearance. Owen attempts to conduct electricity using the sample and finds it has fair conductivity. Owen classifies the sample as a _______ (metal, non-metal, or metalloid.)
What is a metalloid?
500
The main reason that elements in the same family demonstrate similar characteristics is that each element has the same number of _________ _______.
What are valence electrons?
500
This is the day you will have a quiz on the families of the periodic table, metals and nonmetals, and calculating the number of protons, neutrons, and electrons.