Periodic Table
What is the table that organizes all the elements according to their structure and features?
The Periodic Table
What is the center of the atom that contains protons and neutrons called?
The Nucleus
What is something made up of many atoms that are all the same?
An element
What is it called when elements are organized in a row?
What are elements that are ductile, malleable and good conductors?
metals
What is an electron?
Atomic Mass
What is a vertical column on periodic table?
A group
Metalloids
What is a proton?
A positively charged particle in the nucleus.
What is the number of protons in the nucleus?
What does malleable mean?
hammer metals into thin sheets
What are dull, brittle, and not good conductors?
Nonmetals
What is a neutron?
A particle in the nucleus that has no charge.
What is an atomic symbol?
An abbreviation found on the periodic table that is a shortened form of the name.
What is something that helps in the transfer of electricity or heat?
Conductor
What does ductile mean?
metals can be made into wires
Where can we find atoms?
Everywhere but we can't see them.
Who organized the known elements into the periodic table?
Dmitri Mendeleev
noble gases