Where do the protons and neutrons reside?
Nucleus
The color of all metal elements is ______________, except for gold and copper
silver or gray
Who arranged 60 of the elements into a table in 1869?
Dmitri Mendeleev
Metals are ______________, which means they can be pulled to create wires
ductile
What does periodic mean?
To be "repeated in a pattern"
the type of elements that come in many colors including yellow, dark red, white, and also colorless
nonmetals
Each row across the table is called a...?
period
How do scientists organize the elements on a chart?
atomic number (or number of protons)
True or False : Nonmetals do not have metallic luster and are poor conductors of heat and electricity.
TRUE!
Each column down a table is called a __________.
group
FALSE! Metalloids are brittle and easily shattered.
There are three distinct ypes of elements on the periodic table...