Atoms, Ions, and Isotopes

Front

What is the atomic number?

Back

The atomic number is equal to the number of protons in an atom.

Front

What happens when you add or subtract neutrons from an atom?

Back

Adding or subtracting neutrons changes the atom into an isotope.

Front

Which isotopes are considered isotopes of carbon?

Back

Carbon-12, Carbon-13, and Carbon-14 are isotopes of carbon.

Front

What is the atomic mass?

Back

The atomic mass is equal to the total number of protons and neutrons in an atom.

Front

How many protons does titanium have?

Back

Titanium has 22 protons.

Front

What is an ion?

Back

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

Front

What defines an isotope?

Back

Isotopes are variants of a chemical element that have the same number of protons but different numbers of neutrons.

Front

What is the difference between atomic mass and atomic weight?

Back

Atomic mass is the mass of a single atom, while atomic weight is the average mass of an element's isotopes.

Front

What is the significance of the atomic number in the periodic table?

Back

The atomic number determines the position of an element in the periodic table and its chemical properties.

Front

How do you calculate the number of neutrons in an atom?

Back

Number of neutrons = Atomic mass - Atomic number.