How many protons, neutrons, and electrons are there in a neutral atom of ³⁰P (phosphorus-30)?

Lithium has 3 protons. How many neutrons are in the isotope Lithium-8?

Atoms of the same element, zinc for example, have the same number of

How many protons, neutrons, and electrons are there in a neutral atom of ¹³¹I (iodine-131)?

Two isotopes of the same element will have the same number of _____ but a different number of ____.

An isotope of yttrium has 39 protons and 59 neutrons. What is the mass number of that isotope?

The superscript preceding each hydrogen atomic symbol (H) represents which of the following?

All of the atoms making up any given element have the same number of ________.

How many protons, neutrons, and electrons make up an atom of nitrogen-15?