What Numbers are in the middle of the reactivity triangle?
2, 6
100
What is the definition of Ductile?
If a metal can be able to be drawn out into a thin wire.
200
What is the difference between periods and groups?
Periods tell the number of energy levels. Groups tell the number of valence electrons ,and how it reacts.
200
True or false. Are Non-metals solid at room temperature?
False, most Non-metals are gases.
200
What group contains salt-forming elements, and is toxic?
Group 17 (7A)
Halogens.
200
True or False. Can you combine Oxygen with boron?
False, if you add valence electrons they must equal 8.
200
What is the definition of Malleable?
If an object is able to be hammered or pressed permanently out of shape without breaking or crack.
300
How many valence electrons does Oxygen have?
6 valence electrons.
300
What are the characteristic of metals?
They are insulators, are shiny (luster), not very malleable, conductivity, and is ductile.
300
Where on the Periodic table are the Alkaline Earth Metal located?
Group 2 (2A)
300
Can you combined Helium with Hydrogen?
no, because you cannot combined any electrons that have 8 valence electrons already.
300
What is the definition of Luster?
A little glow or gleam that is show from an object.
400
How many valence electrons and energy levels does polonium (Po) have?
There are 6 valence electrons and 6 energy levels.
400
True or false. Hydrogen is an alkali metal.
False, Hydrogen doesn't fall in a metal category.
400
Does magnesium contain the same characteristic of Calcium?
yes, because they are the same family.
400
True or False? Can you combine a Halogen with a Alkaline Earth Metal?
False. A halogen has 7 valence electrons, and a Alkaline Earth Metal has 2 valence electrons.
400
What is the definition for Chemical symbol?
Usually derived from the name of the element, often in Latin. The text boxes explain where the numbers are derived from.
500
What are the two rows names at the bottom of the Periodic Table?
Lanthanide (Series)
Actinide (Series)
500
True or false. Most of the periodic table is made up of metals?
True, about most of the table is metals.
500
What do the group number NOT tell you about the electron cloud?
The number of energy levels
500
What 2 numbers go at the VERY bottom of the reactivity pyramid?
8 and 0
500
What is the definition of an element?
each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.