Unit 4 Periodic Table Test Review

Front

What is a radioactive element?

Back

A radioactive element is one that has an unstable nucleus and emits radiation as it decays into a more stable form.

Front

Which element is considered radioactive?

Back

Neptunium is considered radioactive.

Front

What are the chemical and physical properties of Bromine (Br)?

Back

Bromine is a nonmetal that is a reddish-brown liquid at room temperature and has properties similar to Fluorine (F).

Front

How many electrons does Nitrogen have in its ion form?

Back

Nitrogen has 10 electrons when it becomes an ion.

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 variable oxidation states and colored compounds.

Front

Which element is classified as a nonmetal?

Back

Chlorine (Cl) is classified as a nonmetal.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are the main groups of the periodic table?

Back

The main groups include Alkali Metals, Alkaline Earth Metals, Transition Metals, Halogens, and Noble Gases.

Front

What is an ion?

Back

An ion is an atom or molecule that has gained or lost one or more electrons, resulting in a net charge.

Front

What are the properties of nonmetals?

Back

Nonmetals are generally poor conductors of heat and electricity, have high ionization energies, and are not malleable or ductile.