This is the center of an atom, electrons orbit this
nucleus
Any substance made of only one kind of atom
element
The gas on the Periodic table before helium. (Atomic #1)
hydrogen
These two types of element classifications are found on the right side of the periodic table
(metalloids, metals, nonmetals)
metalloids and nonmetals
Which subatomic particle makes Hydrogen #1 different from Helium #2 ?
(PROTON, NEUTRON, ELECTRON)
protons
This is an uncharged particle in the nucleus of the atom.
neutron
These are arranged on the periodic table according to their atomic number
element
Anything that has mass and takes up space
matter
Which area of the periodic table has the nonmetal elements?
(LEFT, CENTER, RIGHT)
RIGHT
Name a property most metals share.
luster (shiny), malleable, conductor
Name all three subatomic particles.
proton, neutron, electron
These elements are shiny, good conductors of heat and are malleable
metal
How many naturally occuring elements are there?
92
Which area of the periodic table do you find mostly gases on?
(LEFT, CENTER, RIGHT)
RIGHT
Name the center of an atom.
nucleus
This is a positively charged particle in the nucleus of the atom
proton
These elements are poor conductors of heat and electricity. They are dull in appearance
non metal
Name the chart that lists all of the elements.
The periodic table of elements
What do we call the short way to write the name of an element from the periodic table?
chemical symbol
Which subatomic particles are at the center of the atom?
proton. neutron
This is a negatively charged subatomic particle
electron
These elements have qualities of both metals and nonmetals
metalloids
Name the subatomic particles with an electric charge
proton, electron
Which category has the most elements on the periodic table?
(metals, metalloids, nonmetals)
metals
Metals are malleable; what does malleable mean?
can be pounded or bent without breaking