Ions and Isotopes Flashcards
What does all atoms want?
Atoms wants a full outer shell as they are more stable then. Therefore, they will react to obtain a full outer shell.
What is an ion?
An ion is an atom that loses or gains electrons in order to have a full outer energy level.
What does Metals become?
Metals loose electrons so they become cations.
What does non-metals become?
Non-metals gain electrons so it become anions.
How to write an ion symbol
We write the chemical symbol then write the charge as en exponent.
What are Isotopes?
Isotopes are atoms of the same element (same number of protons) but have different number of neutrons. This will not affect the charge but it will impact the mass of the atom.
How to draw an ion?
Draw the ion then draw square brackets around it and put the charge value as an exponent.
What does all the atoms in group 1 form?
All the atoms in group 1 will be cation with + charge.
What does all atoms in group 2 forms?
All atoms in group 2 will form cations as it will lose the 2 electrons. They will be 2+ charge.
What does all atoms in group 16 form?
All atoms in group 16 will need 2 more atoms for its outer shell. Meaning in will be anion with 2- charge.
What will all atoms in group 17 form?
All atoms in group 17 will need one more electrons for its outer energy shell. Meaning it will be anion with -1 charge.
What are the 3 bonding?
- Ionic bonding
- Covalent bonding
- Metallic bonding
What is ionic bonding?
Naming ionic compound
- Name of the metal
- Non-metal changed to “ide”
- If there is an extra non-metal (oxygen) the non-metal changes to “ate”
What is the room temperature?
Room temperature is 20 degree Celsius.
What is an ionic compound?
Ionic compound is a giant structure of ions. The ions are in a lattice structure. They are held together by strong electrostatic forces of attraction between oppositely charged ions. These giant ionic structures are solids at room temperature.
Describe the melting and boiling points of ionic compounds?
The ionic compounds have high melting and boiling points as changing their state would be difficult due to the strong electrostatic attractions.
Can Ionic compounds be dissolved?
Yes, giant ionic lattices tend to dissolve in liquid/water. The ions become free to move around.
As when the ionic compounds are added to the water, the water can break the ionic bond and dissolve the compound.
What is electricity?
Electricity is the movement of positive or negative charge moving through.
What does electricity needs to conduct?
For electricity to conduct it need charged particles flowing.
Can Ionic compound conduct electricity?
Ionic lattices only conduct electricity when the ions can move. So, not as a solid but as a liquid.
What is dissolving?
Dissolving means mixing in liquid.
What are the conditions the ionic compound needs to be in order to conduct electricity?
The ionic compound need to be a liquid. So, it need to be dissolved in a liquid or melted it. As then the charged particles can flow through, which is known as conducting electricity.
