I love learning random facts about the Periodic Table!
100
This part of the atom contains the protons and neutrons.
What is the nucleus.
100
Another name for a group is a _____ . Also, _____ are rows that go from left to right on the periodic table.
What is a family (first blank) and period (second blank).
100
A metal is _____ when it can be pounded in different shapes.
What is malleable.
100
These lack most of the properties of metals.
What are nonmetals.
100
Who was the scientist that created the first periodic table?
Who is Dmitri Mendeleev.
200
These particles have a positive charge, these particles have a negative charge, and these particles have a neutral charge.
What are the protons, electrons, and neutrons.
200
He, Cl , and Na are called what?
What is a symbol.
200
This type of metal can be pulled out into a long wire.
What is a ductile metal.
200
These elements have properties similar to metals and nonmetals.
What are metalloids.
200
How do you find the number of neutrons when using the periodic table?
Atomic Mass - Atomic Number = Neutrons
For Example: Carbon
12.011 (Atomic Mass) - 6 (Atomic Number) = 6.011
300
This is the total number of protons and neutrons.
What is the atomic mass.
300
Which side of the periodic table is least reactive?
What is the RIGHT side.
300
A _____ can transmit heat and electricity easily.
What is a conductor.
300
True or False: Metalloids do not have characteristics similar to metals and nonmetals.
False
300
What are the four physical properties of metals?
Hardness, Shininess, Malleability, and Ductility
400
Every atom of a particular element contains the same number of protons. For example, every carbon atom has 6 protons. So, the ____________ shows the number of protons in the atoms nucleus; it also shows the number of electrons.
What is the atomic number.
400
How does each family get its name?
Typically, the group is given a family name based on the first element in the column.
400
A mixture of metals is called an _____. Stainless steel is an example of this.
What is an alloy.
400
True or False: Nonmetals have physical properties that are opposite of the metals physical properties.
True
400
Look on page 89 at Figure 12. Is an alloy an element, compound, or mixture?
What is a mixture. Alloys combine the best properties of two or more metals into a single substance.
500
These are transferred or shared with other atoms.
What is a valence electron.
500
Why are the lanthanides and actinides located at the bottom of the periodic table?
They are there for convenience. They are actually supposed to fit in between periods 6 and 7.
500
This is the most reactive group of metals.
What is the alkali metal group.
500
Why are the metalloids found in between the metals and nonmetals on the periodic table?
Because they have some of the characteristics of metals and some of the characteristics of nonmetals.
500
You most likely use NaCl (Sodium Chloride) everyday. What is the common name for this additive to food?