Periodic Table Trends

Front

What are the main groups of the Periodic Table?

Back

The main groups are: 1. Alkali Metals (Group 1) 2. Alkaline Earth Metals (Group 2) 3. Transition Metals (Groups 3-12) 4. Halogens (Group 17) 5. Noble Gases (Group 18)

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an element reacts chemically with other elements. They are the electrons in the outermost shell.

Tags

NGSS.MS-PS1-5

Front

What is the Periodic Law?

Back

The Periodic Law states that the properties of elements are a periodic function of their atomic numbers.

Tags

NGSS.HS-PS1-1

Front

What are periods in the Periodic Table?

Back

Periods are the horizontal rows in the Periodic Table. Each period corresponds to the number of electron shells an atom has.

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.

Front

Where are metals located on the Periodic Table?

Back

Metals are located on the left side and in the center of the Periodic Table.

Front

What are nonmetals?

Back

Nonmetals are elements that are typically poor conductors of heat and electricity and are found on the right side of the Periodic Table.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals. They are found along the zigzag line on the Periodic Table.

Front

What is the atomic number?

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 mass number?

Back

The mass number is the total number of protons and neutrons in an atom's nucleus.

Tags

NGSS.MS-PS1-1