Definitions
These are the 18 vertical columns on the PT.
What are groups?
Samarium
What is 62?
Atomic number 55
What is Caesium?
Vanadium
What is V?
conductors of electricity, good conductors of heat, protection against rust, protection against corrosion
What are properties of metals?
These are the 7 horizontal rows on the PT.
What are periods?
Thorium
What is 90?
Chemical symbol Og
What is Oganesson?
Period 2, group 14
What is C?
These are generally poor conductors of heat and electricity.
What are nonmetals?
These are charged atoms.
Magnesium
What is 12?
Approximate atomic mass 251.
What is Californium?
Atomic number 74.
What is W?
This is a geometric arrangement of atoms.
What is a crystal?
This contains two or more substances that are not chemically combined.
What is a mixture?
Astatine
What is 85?
Chemical symbol P
What is Phosphorus?
Xenon
What is Xe?
Chocolate milk, salt water, brownie batter
What are examples of mixtures?
This is a tiny group of two or more atoms that are firmly bound together into a unit.
What is a molecule?
Meitnerium
What is 109?
Period 5, group 12
Approx. atomic mass 163.
What is Dysprosium?
This is a chemical reaction in which a substance reacts rapidly with oxygen.
What is combustion?