Chapter 4 (history, periodic table, isotopes, ions)

Front

What is the atomic number of Iron (Fe)?

Back

26

Front

How many protons are in a neutral atom of Iron (Fe)?

Back

26

Front

What is the charge of an electron?

Back

Negatively charged

Front

What particles are found in the nucleus of an atom?

Back

Protons and Neutrons

Front

What is the charge of a proton?

Back

Positively charged

Front

What is an ion?

Back

An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

Front

What is the difference between isotopes of an element?

Back

Isotopes have the same number of protons but different numbers of neutrons.

Front

What are nonmetals?

Back

Elements that are typically poor conductors of heat and electricity, found on the right side of the periodic table.

Front

What are the Halogens?

Back

Group 17 elements in the periodic table, known for being highly reactive nonmetals.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number, electron configuration, and recurring chemical properties.