Front

What is the mass number?

Back

The mass number is equal to the total number of protons and neutrons in an atom.

Front

What is the symbol of Gold?

Back

The symbol of Gold is Au.

Front

What is the atomic number of an element?

Back

The atomic number tells you the number of protons in an atom.

Front

What does the symbol 'Na' represent?

Back

The symbol 'Na' represents the element Sodium.

Front

What are groups in the periodic table?

Back

Groups are the vertical columns in the periodic table organized by similar properties.

Front

How do you determine the number of electrons in a neutral atom?

Back

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

Front

What is the atomic mass?

Back

The atomic mass is the weighted average mass of an element's isotopes.

Front

What does a superscript in elemental notation indicate?

Back

A superscript indicates the charge of the ion.

Front

What is the difference between atomic mass and mass number?

Back

Atomic mass is the average mass of an element's isotopes, while mass number is the total number of protons and neutrons.

Front

What is the symbol for Silver?

Back

The symbol for Silver is Ag.