History of the Atom
Properties of Matter
Metals/Nonmetals
Elements
Periodic Table
100
What is the Scientist who is credited with first recognizing that the atoma is the smallest unit of matter?
What is Democritus.
100
Property that measures how easily on substance dissolves into another
What is solubility
100
Where are metalloids located on the periodic table?
What is on the zig-zag/diagonal line
100
What element makes up 21% of our atmosphere?
What is oyxygen
100

What scientist organized the periodic table?

What is Dmitri Mendeleev

200
What does the Greek word atoma mean?
What is indivisible
200
Two properties of metals that are useful in coinmaking
What are malleable and ductile
200
Most metals are shiny. What is the meaning of shiny?
What is able to reflect light
200

What is the ONLY metal that is a liquid at room temperature?

What is Mercury

200
How many periodic families are there on the periodic table (do not include the transition metals)?
What is 8 periodic families.
300
The scientist that devised the "Plum Pudding" model showing negative charges spread out in a positive filling.
Who is JJ Thompson
300
In a graduated cylinder containing several liquid layers where would the least dense liquid be located?
What is the top layer
300
Identify 3 properties of non-metals
What is non-malleable, non-ductile, not a conductor of heat or electricity, dull, brittle
300
what element makes up 78% of the Earth's atmosphere?
What is Nitrogen
300
Which family includes members that are all non-metals, are highly reactive, and will form salts with the Alkali metals?
What is the Halogens
400
How is the Bohr model been modified (how is our theory of atomic structure changed)?
What is orbits are now recognized as areas or shells surrounding the nucleus
400
The melting and __________________ temperature of salt are equal.
What is freezing temperature
400
What property of metals (ductile, conductivity, malleable, or shininess) is also shared by metalliods?
What is conductivity
400
Identify 3 properties of the Alkali metals
What is they are very reactive, will reactive with water, have 1 outer-shell electron, are shiny, silvery, and soft metals.
400
In a single period of the periodic table, where is the most Metallic metal?
What is the element closest to the left hand side (become less metallic as you move from left to right)
500

How many electrons are in one atom of Nickle which has an atomic number of 28? How did you know?

28: number of protons and electrons are equal.

500
When particles of a substance break apart from one another, what change of state process has occured?
What is boiling or vaporization
500
Identify 2 known metalloids.
What are Boron, Silicon, Germanium, Arsenic, Antimony, and Tellurium
500
When a halogen reacts with an Alkali metal what type of a compound is formed?
What is a salt
500
Flamability is the ability of a substance to burn. What 3 materials are necessary for a flame?
What is oxygen, fuel, and heat.
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