Front

What is isotopic notation?

Back

Isotopic notation is a way of representing isotopes of an element, indicating the element's symbol, mass number (total number of protons and neutrons), and atomic number (number of protons).

Front

How do you determine the number of neutrons in an isotope?

Back

To find the number of neutrons in an isotope, subtract the atomic number (number of protons) from the mass number (total number of protons and neutrons).

Front

What is the mass number of an isotope?

Back

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

Front

What is the atomic number of an element?

Back

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

Front

How many neutrons are in copper-63?

Back

Copper-63 has 34 neutrons.

Front

What is the relationship between isotopes of the same element?

Back

Isotopes of the same element have the same atomic number (number of protons) but different mass numbers due to varying numbers of neutrons.

Front

How many electrons are in a neutral atom?

Back

In a neutral atom, the number of electrons is equal to the number of protons.

Front

What happens to the number of electrons in an ion?

Back

In an ion, the number of electrons differs from the number of protons; if there are more electrons, it is a negatively charged ion (anion), and if there are fewer, it is a positively charged ion (cation).

Front

What is the significance of the atomic number in chemical reactions?

Back

The atomic number determines the chemical properties of an element and its placement in the periodic table, influencing how it reacts with other elements.

Front

What do isotopes of carbon have in common?

Back

Isotopes of carbon have the same atomic number (6 protons) and the same number of electrons, but different mass numbers due to varying numbers of neutrons.