Periodic Table 1: Elements
The element the symbol "Rn" represents
What is Radon?
Extremely unreactive group on the periodic table
What are Noble Gases?
Examples include elements and water
What are pure substances?
Examples include cutting, melting, grinding, and evaporating
What are physical changes?
Period number is equal to the number of
What are electron shells?
The symbol abbreviation for Tungsten
What is W?
Most elements on the periodic table are classified as
What are metals?
Examples include blood, salads, and wood
State changes are always considered _____________ changes.
What is physical?
Group number is equal to number of
What are valence electrons?
What is 89.7?
Brittle solids at room temperature
What are metalloids?
Examples include volume, mass, and length
extensive properties
Any reaction that results in a flame is a ___________ reaction/change.
What is chemical?
How many electrons can shell 4 hold?
What is 32?
The number that represents how many protons an element contains
What is atomic number?
Radioactive group of elements on the periodic table
What are actinides?
Building blocks of matter (4)
What are subatomic particles, atoms, elements, and compounds
__________ have indefinite shape and definite volume
What are liquids?
Driving force behind electron organization and bonding
What is octet rule?
The father of the periodic table
Who is Mendeleev?
Elements are arranged in the periodic table according to
What is atomic mass and reactivity trends?
Matter must have _______ and ________.
What are mass and volume?
Two ways we can provide energy to atoms
What are light and heat?