Atomic Structure and Chemical Bonds

Front

What is a molecule consisting of two hydrogen atoms joined in a covalent bond written as?

Back

H₂

Front

Atoms form _____ with other atoms to become more stable.

Back

chemical bonds

Front

What characteristic does a noble gas have?

Back

a stable outer energy level

Front

What is an atom called when it gains an electron and becomes negatively charged?

Back

negative ion

Front

What are the bonds formed when positively charged ions and negatively charged ions are attracted to each other called?

Back

ionic bonds

Front

What is the definition of a covalent bond?

Back

A covalent bond is a chemical bond formed when two atoms share one or more pairs of electrons.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

What is the difference between a positive ion and a negative ion?

Back

A positive ion (cation) has lost electrons, while a negative ion (anion) has gained electrons.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to bond in such a way that they have eight electrons in their outer shell, achieving stability.

Front

What type of bond involves the transfer of electrons from one atom to another?

Back

ionic bond