Metals/Nonmetals/Metalloids
Most metals are _____________ at room temperature.
solid
these are the most reactive metals
What are the alkali metals
the smallest particle of an element that cannot be broken down
What is the atom
a chart that arranges the elements
What is periodic table
the modern periodic table is arranged by
What is increasing atomic number
Metals found in groups 3-12
What is transition metals
Group 2 on the periodic table
what are the alkaline earth metals
the rows on the periodic table are called
What is periods
Who said electrons move in specific orbits
Bohr
Groups 3-12
transition metals
the columns on the periodic table are called
What is groups or families
unstable atoms are considered
What is radioactive
Pots and pans are made of metal because of this property
What is thermal conductivity
Very reactive non-metals
What are the halogens
Medaleev arrange his periodic table according to
What is increasing atomic mass
He discovered the positive particle and the nucleus of an atom
What is Rutherford
The part of a cord that conducts electricity
What is metal wires
This group is not reactive
What are the Noble gases?
elements in the same period....
What is change in a repeating pattern
His Theory stated all atoms of the same element are exactly alike
What is Dalton