Periodic Table Elements

Front

What is the definition of an element in the context of the periodic table?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means and is defined by the number of protons in its nucleus.

Front

What is the atomic number of an element?

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 significance of the element symbol in the periodic table?

Back

The element symbol is a one or two-letter abbreviation that represents an element, often derived from its English or Latin name.

Front

What subatomic particle is represented by a RED(+) circle?

Back

Proton.

Front

What subatomic particle is represented by a YELLOW(-) circle?

Back

Electron.

Front

What is the role of neutrons in an atom?

Back

Neutrons are neutral particles found in the nucleus of an atom that contribute to the atomic mass and stability of the nucleus.

Front

What is the most abundant element in the universe?

Back

Hydrogen.

Front

What is the common use of calcium in the human body?

Back

Calcium is essential for bone health and is commonly found in dairy products like milk.

Front

What is the symbol for gold in the periodic table?

Back

Au.

Front

How are elements arranged in the periodic table?

Back

Elements are arranged in order of increasing atomic number and grouped by similar chemical properties.