Front

What is Atomic Number?

Back

The Atomic Number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the Atomic Mass?

Back

The Atomic Mass is the weighted average mass of an atom's isotopes, measured in atomic mass units (amu).

Front

How many protons does an atom of Sulfur have?

Back

An atom of Sulfur has 16 protons.

Front

How many electrons are in a neutral atom of Beryllium?

Back

A neutral atom of Beryllium has 4 electrons.

Front

What is the relationship between protons and electrons in a neutral atom?

Back

In a neutral atom, the number of protons equals the number of electrons.

Front

What element has an Atomic Number of 18?

Back

The element with an Atomic Number of 18 is Argon.

Front

What is the significance of the Atomic Number in the periodic table?

Back

The Atomic Number determines the position of an element in the periodic table and its chemical properties.

Front

How do you calculate the number of neutrons in an atom?

Back

The number of neutrons can be calculated by subtracting the Atomic Number from the Atomic Mass.

Front

What is the Atomic Mass of Argon?

Back

The Atomic Mass of Argon is approximately 39.948 amu.

Front

What does the symbol 'S' represent in the periodic table?

Back

The symbol 'S' represents the element Sulfur.