Chapter 4 Test Review 2023

Front

As you move down the periodic table, atoms get bigger because ____________.

Back

The atoms have more energy levels.

Front

What is ionization energy?

Back

Energy required to remove an electron.

Front

What kind of elements are dull and have low melting points?

Back

Nonmetals.

Front

What group does this element belong to?

Back

Group 1: Alkali metals.

Front

What is the atomic number of this atom?

Back

3.

Front

Define atomic mass.

Back

The weighted average mass of an element's isotopes.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.

Front

What is the significance of the octet rule?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

What are noble gases?

Back

Elements in Group 18 that are inert and have a full valence shell.

Front

Define electronegativity.

Back

The tendency of an atom to attract electrons in a chemical bond.