Atomic Structure and Periodic Table Concepts

Front

What are the outermost electrons in an atom called?

Back

Valence electrons.

Front

What is the formula for synthesis in chemical reactions?

Back

a + b = ab.

Front

What is atomic mass?

Back

Atomic mass is the mass of an atom in atomic mass units (amu).

Front

Why is the ionization energy of oxygen lower than that of nitrogen?

Back

There is a greater amount of electron shielding in oxygen.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What do we call the vertical columns in the periodic table?

Back

Groups or families.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their properties and atomic structure.

Front

What is a neutron?

Back

A subatomic particle found in the nucleus of an atom, with no charge.

Front

What is the difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is a group of two or more atoms bonded together.