Review

Front

What is a row on the Periodic Table of Elements called?

Back

A row on the Periodic Table is called a 'period.'

Front

Which halogen is found in period 4?

Back

Bromine (Br) is the halogen found in period 4.

Front

What is the name of group number 2 in the Periodic Table?

Back

Group number 2 is called 'alkaline earth metals.'

Front

According to the Law of Conservation of Mass, how do the masses of reactants and products compare in a chemical reaction?

Back

The mass of all reactants must equal the mass of all products.

Front

What defines an isotope?

Back

An isotope has the same number of protons but a different number of neutrons.

Front

What is the term for elements in the same vertical column of the Periodic Table?

Back

Elements in the same vertical column are called a 'group' or 'family.'

Front

What is the atomic number of an element?

Back

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

Front

What are transition metals?

Back

Transition metals are elements found in groups 3-12 of the Periodic Table, known for their ability to form various oxidation states.

Front

What is the significance of the Periodic Table's arrangement?

Back

The arrangement of the Periodic Table reflects the periodic trends in element properties, such as electronegativity and atomic radius.

Front

What is the difference between an element and a compound?

Back

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