11.21.2024 OSE Atomic Structure Flashcard

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

How do you determine the number of protons in an atom?

Back

The number of protons is equal to the atomic number of the atom.

Front

What is a mass number?

Back

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

Front

If an atom has an atomic number of 15, how many protons does it have?

Back

15 protons.

Front

What does the atomic number represent in the periodic table?

Back

The atomic number represents the identity of an element.

Front

What is the relationship between protons and neutrons in an atom?

Back

Protons and neutrons together make up the mass number of an atom.

Front

What is the significance of the number of protons in an atom?

Back

The number of protons determines the element's identity and its position in the periodic table.

Front

What does the symbol '6' represent in the context of an element?

Back

The symbol '6' represents the atomic number of the element.

Front

What is the formula to calculate the mass number?

Back

Mass number = Number of protons + Number of neutrons.