Unit 4 Test Review

Front

A charged particle that has gained or lost electrons is called a _____

Back

ion

Front

What is the FORMULA for beryllium iodide?

Back

BeI₂

Front

How many electrons should Carbon have around its Electron dot structure?

Back

4

Front

What force holds together cations and anions in ionic bonds?

Back

The electrical attraction between the positive cation and the negative anion

Front

How many valence electrons do elements in Group 2A have?

Back

2

Front

What is the definition of an ion?

Back

An ion is 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 cations and anions?

Back

Cations are positively charged ions (lost electrons), while anions are negatively charged ions (gained electrons).

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms, influencing the formation of molecules.

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond formed through the electrostatic attraction between oppositely charged ions.

Front

How do you determine the number of valence electrons in an element?

Back

The number of valence electrons can be determined by the group number of the element in the periodic table.