Periodic Table (Periods and Groups)

Front

What are periods in the periodic table?

Back

Periods are the horizontal rows in the periodic table. Each period represents a new energy level of electrons.

Front

What are groups in the periodic table?

Back

Groups are the vertical columns in the periodic table. Elements in the same group have similar chemical properties and the same number of valence electrons.

Front

How many valence electrons does Magnesium have?

Back

Magnesium has 2 valence electrons.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the atomic symbol for Magnesium?

Back

The atomic symbol for Magnesium is Mg.

Front

Which element is located in Group 18 and Period 5?

Back

The element located in Group 18 and Period 5 is Xenon.

Front

Which element is located in Group 11 and Period 4?

Back

The element located in Group 11 and Period 4 is Copper.

Front

What is the significance of the periodic table's arrangement?

Back

The arrangement of the periodic table reflects the periodic law, which states that the properties of elements are a periodic function of their atomic numbers.

Front

What do elements in the same group have in common?

Back

Elements in the same group have the same number of valence electrons and exhibit similar chemical behavior.

Front

What is the difference between metals and nonmetals in the periodic table?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are usually dull, insulative, and brittle.