Atomic Mass Units

Presentation

•

Science

•

10th Grade

•

Hard

Joseph Anderson

FREE Resource

10 Slides • 8 Questions

ATOMIC MASS AND ISOTOPES

Atomic Number, Average Atomic Mass, Mass Number, Isotopes

Multiple Choice

What does the atomic number represent?

The number of electrons

The number of protons

The number of neutrons

The number of protons and neutrons together.

Multiple Choice

What are AMU's

Atomic Mass University

Atomic Mass Units

Atoms mean unity

All Mass United

Isotope Symbols

As you can see to the right there are certain ways elements and isotopes are represented as symbols. There is the element symbol (the biggest part). Then the upper number will the the mass number (number of protons + number of neutrons) and the lower number is just the atomic number (number of protons).

Isotope Symbol Examples

Multiple Choice

What does the mass number represent?

The number of electrons

The number of protons

The number of neutrons

The number of protons and neutrons together.

Multiple Choice

What does the atomic number represent?

The number of electrons

The number of protons

The number of neutrons

The number of protons and neutrons together.

Multiple Choice

If an atom has 5 protons and 6 neutrons what is the proper name of the isotope?

Boron-1

Boron-11

Carbon-11

Carbon 11

Boron Carbonate

Multiple Choice

How many neutrons does an atom of symbol pictured have?

-26

Multiple Choice

How many protons does an atom of symbol pictured have?

Multiple Choice

What is the total number of particles in the nucleus atom of symbol pictured have?

ATOMIC MASS AND ISOTOPES

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