Periodic Table Flashcard

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 chlorine have?

Back

Chlorine has 7 valence electrons.

Front

What is an isotope?

Back

An isotope is a variant of a chemical element that has the same number of protons but a different number of neutrons.

Front

What are metalloids?

Back

Metalloids are elements that have properties intermediate between metals and non-metals.

Front

What is a characteristic of metals?

Back

Metals are usually good conductors of heat and electricity and are shiny/lustrous.

Front

Where are non-metals located on the periodic table?

Back

Non-metals are typically found on the right side of the periodic table.

Front

What is the difference between metals and non-metals?

Back

Metals are generally good conductors and have a shiny appearance, while non-metals are poor conductors and can be gases or dull solids.

Front

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

Back

The main groups are metals, non-metals, and metalloids.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are noble gases?

Back

Noble gases are a group of non-metals that are colorless, odorless, and inert, found in Group 18 of the periodic table.