Chemistry Test Review

Front

What are the vertical columns in the Periodic Table called?

Back

Groups

Front

What are the positive particles of an atom?

Back

Protons

Front

What is the atomic mass of Fluorine (F)?

Back

19

Front

Which element has a full valence shell?

Back

D

Front

How many valence electrons does Aluminum have?

Back

3 Valence electrons

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a valence electron?

Back

An electron in the outermost shell of an atom that can participate in chemical bonding.

Front

What is the significance of the Periodic Table?

Back

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

Front

What is an ion?

Back

An atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

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.