Reinforce chemistry concepts with this atomic number and mass quiz. Students answer multiple-choice questions about atomic structure, protons, neutrons, and key element properties.

the number of protons and neutrons in the nucleus

the number of protons in the energy levels

the number of protons and electrons in the atom

Most of the mass in an atom is made up of _____________________?

In order for an atom to be neutral what has to be true?

The atom has the same number of protons and neutrons

The atom has the same number of protons and electrons

How is the number of neutrons in the nucleus of an atom calculated?

Subtract the number of p+ from the mass number

What subatomic particles would you find in the nucleus of an atom?

Which subatomic particles contribute the most to the mass of an atom?

If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

The atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is _____.

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

Where is most of the mass in an atom located?

An atom has an atomic number of 15 and a mass number of 31. How many protons are there in the atom?

What is the atomic number of the atom pictured?&nbsp;

Test atomic structure knowledge with this multiple-choice chemistry quiz. Covers atomic number, mass, protons, neutrons, and element properties for student learning and assessment.

Atomic Number and Mass Quiz

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Atomic Number and Mass Quiz

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