Electron Config., Valence Electrons & Periodic Table Review

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Front

How many valence electrons does phosphorus have?

Back

Phosphorus has 5 valence electrons.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms, influencing the molecule's structure and properties.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of chemical elements, organized by increasing atomic number, electron configuration, and recurring chemical properties.

Front

Name group 2 on the periodic table.

Back

Group 2 is known as alkaline earth metals.

Front

What are metalloids?

Back

Metalloids are elements that have properties intermediate between metals and nonmetals, typically found along the staircase line on the periodic table.

Front

Where are nonmetals located on the periodic table?

Back

Nonmetals are located in the top right corner of the periodic table.

Front

What is the shorthand electron configuration for a sulfur atom?

Back

The shorthand electron configuration for sulfur is [Ne] 3s² 3p⁴.

Front

What are the main groups of the periodic table?

Back

The main groups include alkali metals, alkaline earth metals, transition metals, halogens, and noble gases.

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.