Elements Symbols
What element has the symbol of O
Oxygen
The smallest particle
Atom
Which state of matter are most of the elements to the left of the stair-step line in the periodic table
Solid
Solid at room temperate and good conductors
Metals
What element has the symbol of Cu
Copper
Weighted-average mass of an element's isotopes
Average atomic mass
What is found in the nucleus of an atom
Protons and Neutrons
Most are gases or brittle solids and poor conductors
Nonmetals
What element has the symbol of Au
Gold
Protons and neutrons are made from this
Quark
What is the term for a pattern that repeats
periodic
Has properties of metals and nonmetals
Metalloid
What element has the symbol of Ag
Silver
Number if protons contained in an atom's nucleus
Atomic Number
What group are the Noble Gases in?
Group 18
What element has the atomic number of 1
Hydrogen
What element has the symbol of Hg
Mercury
Atoms of the same element that have the exact same number of protons but different numbers of neutrons
Isotopes
What group are the Halogens in?
Group 17
What element has the atomic number of 8
Oxygen