yr10

Created by

Eesa

Cards (38)

What is involved in ionic bonding?
A metal atom transfers electrons to a non-metal
What do we call the ions formed in ionic bonding?
Oppositely charged ions
How do ionic compounds form their structure?
Positive and negative ions alternate in a lattice
What is the term for the three-dimensional structures of ionic compounds?
Regular lattice structures
What are two key properties of ionic compounds?
High melting and boiling points
When can ionic compounds conduct electricity?
When melted or dissolved in water
What determines the melting and boiling points of ionic compounds?
The strength of the ionic bonds
Why can't solid ionic compounds conduct electricity?
Charged particles are fixed in place
What is the formula for sodium chloride?
NaCl
How does magnesium chloride differ from sodium chloride?
Magnesium has a two plus charge
What is the formula for magnesium chloride?
MgCl $_2$
What is the charge of a hydroxide ion?
One minus
What is the charge of a sulfate ion?
Two minus
What type of bond do particles form through ionic bonding?
Ionic bonds
How are ions formed from atoms?
Atoms lose or gain electrons
What happens to a sodium atom to form a sodium ion?
It loses one electron
Why does a sodium atom need to lose an electron?
To achieve stability with a full outer shell
What is the equation for chlorine forming a chloride ion?
Chlorine + electron → chloride ion
What do square brackets around ions indicate?
They denote the ion's charge
What is the nature of the charges on ions that form ionic bonds?
They have opposite charges
What is the force that holds ionic compounds together?
Ionic bond
How does the strength of ionic bonds compare to covalent bonds?
They are similar in strength
What is a dot and cross diagram used for?
To represent ionic bonding
How are electrons represented in a dot and cross diagram?
As dots and crosses
What should you show to indicate the movement of electrons in a diagram?
Use an arrow
What is the focus when drawing dot and cross diagrams?
Show which electrons belong to which atom
What is the outermost shell of an atom?
The highest energy level of electrons
What happens to magnesium when it forms an ionic bond with chlorine?
It loses two electrons
How many chloride ions are formed from one magnesium atom in magnesium chloride?
Two chloride ions
How are the ions arranged in a dot and cross diagram for MgCl<sub>2</sub>?
Chlorides are on either side of magnesium
What is the charge of a magnesium ion in MgCl<sub>2</sub>?
2+
What is the charge of a chloride ion?
1-
Why do electrons move from magnesium to chlorine in ionic bonding?
To achieve full outer shells
What is the significance of having full outer shells in ionic bonding?
It leads to stability of ions
What is the role of electrostatic forces in ionic bonding?
They attract oppositely charged ions
What is the visual representation of ionic bonding called?
Dot and cross diagram
What is the main characteristic of ionic compounds?
They consist of oppositely charged ions
How does the electron transfer process occur in ionic bonding?
Electrons move from metals to non-metals