Periodic Table and Bonding

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements, organized by increasing atomic number, which shows periodic trends in properties.

Front

What is an ionic bond?

Back

A type of chemical bond formed through the electrostatic attraction between oppositely charged ions.

Front

What is a covalent bond?

Back

A type of chemical bond where two atoms share one or more pairs of electrons.

Front

What is a metallic bond?

Back

A type of chemical bond that occurs between metal atoms, characterized by a sea of delocalized electrons.

Front

What is the significance of Mendeleev's periodic table?

Back

Mendeleev's periodic table was the first to organize elements based on atomic mass and properties, predicting the existence of undiscovered elements.

Front

How many elements were known during Mendeleev's time?

Back

63 elements were discovered during Mendeleev's time.

Front

What is the formula for sodium chloride?

Back

NaCl.

Front

What type of bond is formed between sodium and bromine?

Back

Ionic bond.

Front

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

Back

Metals, nonmetals, and metalloids.

Front

What is atomic mass?

Back

The weighted average mass of an element's isotopes, measured in atomic mass units (amu).