Organization of the Periodic Table and Periodic Trends

Front

What color on the periodic table corresponds with the metalloids?

Back

Bright yellow.

Front

What are elements that are shiny, conduct electricity and heat called?

Back

Metals.

Front

How many electrons does a Copper atom have?

Back

29.

Front

Which of the following elements is NOT a metal: Na, Re, Al, or B?

Back

B.

Front

What color on the periodic table corresponds with the lanthanides?

Back

Orange.

Front

What are the three main categories of elements in the periodic table?

Back

Metals, nonmetals, and metalloids.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a periodic trend?

Back

A pattern or regular variation of a property of elements across the periodic table.

Front

What property increases as you move from left to right across a period?

Back

Electronegativity.

Front

What is the general trend of atomic radius as you move down a group in the periodic table?

Back

Atomic radius increases.