Periodic Table 1

Front

What are the horizontal rows on the periodic table called?

Back

Periods.

Front

How is the modern periodic table of elements ordered?

Back

By increasing atomic number.

Front

What color represents alkaline earth metals on the periodic table?

Back

Blue green.

Front

Which element has the highest atomic number in the first period?

Back

Helium.

Front

Which of the following is not a metalloid: Silicon, Germanium, Aluminum?

Back

Aluminum.

Front

What are the vertical columns on the periodic table called?

Back

Groups or families.

Front

What is the significance of the atomic number in the periodic table?

Back

It represents the number of protons in an atom's nucleus.

Front

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

Back

Metals, nonmetals, and metalloids.

Front

What is the general trend of atomic size in the periodic table?

Back

Atomic size increases down a group and decreases across a period.

Front

What are transition metals and where are they located on the periodic table?

Back

Transition metals are found in groups 3-12 and are characterized by their ability to form variable oxidation states.