Periodic Table Trends

Front

What are the PERIODS on the periodic table?

Back

The rows that go left to right.

Front

Which element has 7 valence electrons?

Back

Fluorine (Fl)

Front

What type of element is nitrogen?

Back

Nonmetal.

Front

What are the GROUPS or FAMILIES on the periodic table?

Back

The columns that go top to bottom.

Front

How many valence electrons does phosphorus (P) have?

Back

5

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a metalloid?

Back

An element that has properties of both metals and nonmetals.

Front

What is the significance of valence electrons?

Back

They determine how an element reacts chemically.

Front

What is the periodic law?

Back

The properties of elements are a periodic function of their atomic numbers.

Front

What are alkali metals?

Back

The elements in Group 1 of the periodic table, known for being highly reactive.