Periodic Table Flashcard

Front

What does the letter 'C' represent in the periodic table?

Back

Chemical symbol for Carbon.

Front

What does the number 12.011 represent in the context of an element?

Back

Atomic mass of Carbon.

Front

What is the element name for the chemical symbol 'Ra'?

Back

Radium.

Front

What is the element name for element number 19 on the periodic table?

Back

Potassium.

Front

What is the atomic mass of element number 7, rounded to the nearest whole number?

Back

14.

Front

What is the definition of an atomic number?

Back

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

Front

What is the significance of the atomic mass in the periodic table?

Back

It represents the average mass of an element's isotopes, measured in atomic mass units (amu).

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the periodic law?

Back

The properties of elements are periodic functions of their atomic numbers.

Front

What is the role of neutrons in an atom?

Back

Neutrons contribute to the atomic mass and stabilize the nucleus.