The subatomic particles that make up atoms AND their respective charges
What is protons-positive, neutrons-neutral, and electrons-negative?
The philosopher who theorized atoms.
Who is Democritus?
The group that alkali metals are found in.
What is group 1?
The largest family on the periodic table
What are transition metals?
luster
what is the shininess of a object?
The scientist who made this model:
Who is Niels Bohr?
Scientists who discovered the negative charge in atoms.
Who is JJ Thomson?
The family of metals that is the most reactive
What are alkali metals?
Where can you find rare earth metals on the periodic table?
What are the bottom 2 rows?
malleable
what is able to be bended or molded into different shapes?
The scientist who made this model:
Who is JJ Thomson
Scientists who discovered the nucleous through the gold foil expiriment.
this group of metals is never found uncombined in nature, it is a soft malleable metal that reacts slowly with water. These elements have 2 valence electrons
What are alkaline earth metals?
The definition of semiconductors
what is being able to conduct electricity or heat under certain conditions?
ductile
what is being able to be hammered into thin wires?
The scientist who made this model:
Who is John Dalton?
Scientist who made the modern atomic theory (that we still use today?)
Who is John Dalton?
Calcium is in this family
What is alkaline earth metals?
the least reactive group of metals
what is the basic metals?
conductive
what is the ability to transfer heat and/or electricity
The scientist whho made this atomic model:
Who is James Chadwick?
Scientist who discovered the neutron
Who is James Chadwick.
The # of valence electrons in alkali metals.
What is 1?
1 of the 2 families of metals NOT including alkali, alkaline earth, transition, or basic
what is a lanthanide/actinide metal?
whether the metals give valence electrons or take them
metals give away their valence electrons