Unit 3 Review

Front

What is the atomic number of Fluorine?

Back

9

Front

What defines an isotope of an element?

Back

Isotopes of an element have a different number of neutrons.

Front

What is the most accurate model of the atom?

Back

Schrodinger's model.

Front

How many protons are in Fluorine-18?

Back

9 protons.

Front

How many neutrons are in Fluorine-18?

Back

9 neutrons.

Front

What is the mass number of Bromine-80?

Back

80 (protons + neutrons).

Front

How many neutrons does Bromine-80 have?

Back

45 neutrons.

Front

What is the difference between atomic mass and mass number?

Back

Atomic mass is the weighted average of isotopes, while mass number is the total number of protons and neutrons.

Front

What is the charge of a proton?

Back

Positive charge.

Front

What is the charge of a neutron?

Back

No charge (neutral).