Atomic Structure formative

Front

What is the mass number of an atom?

Back

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

Front

What does the atomic number represent?

Back

The atomic number represents the number of protons in the nucleus of an atom, which determines the element's identity.

Front

How do you determine the charge of an atom?

Back

The charge of an atom is determined by the difference between the number of protons (positive charge) and electrons (negative charge).

Front

What happens when you add a proton to an atom?

Back

Adding a proton changes the element to a different one, as the atomic number increases.

Front

What is an ion?

Back

An ion is an atom or molecule that has gained or lost one or more electrons, resulting in a net charge.

Front

What is the difference between a cation and an anion?

Back

A cation is a positively charged ion (lost electrons), while an anion is a negatively charged ion (gained electrons).

Front

What is the role of neutrons in an atom?

Back

Neutrons contribute to the mass of an atom and help stabilize the nucleus, but they do not affect the charge.

Front

How can you identify an element from its symbol?

Back

An element's symbol is a one or two-letter abbreviation derived from its name, often in Latin.

Front

What is the significance of isotopes?

Back

Isotopes are variants of the same element that have the same number of protons but different numbers of neutrons, affecting their mass.

Front

What is the electron configuration of an atom?

Back

Electron configuration describes the distribution of electrons in an atom's orbitals.