Ionic bonds

Once ionic compounds turn to liquid or get dissolved in water then and ONLY THEN are they good or bad conductors of electricity?

Good

When bonding occurs, METALS always ------electrons

Lose

When atoms LOSE electrons do they gain or lose energy?

Gain

When bonding occurs, NONMETALS always ----- electrons

Gain

Ions form when an atom ----- or ------ electrons

Gains or loses

Atoms want how many electrons in their outer shell?

8

What is a lattice similar to?

A wall

Another name for a negatively charged ion

Anion

An ionic bond is the force of ----- that holds together oppositely charged ions

Attraction

However, it is important to know that ionic compounds are ----- solids with high melting and boiling points

Brittle

Another name for a positively charged ion

Cation

The negative ion to positive ion attraction an ionic bonds creates a strong and ridgid ------ lattice

Crystal

Ionic compounds form what instead of molecules?

Crystals

What does it take to remove valence electrons during ionic bonding?

Energy

A ----- bond is the force of attraction that holds together oppositely charged ions

Ionic

Atoms that have a different number of neutrons but the same number of protons are called -----

Isotopes

Does it take a large or small amount of energy to break an ionic bond?

Large

Does it take less or more energy to remove a Small number of electrons?

Less

When atoms gain electrons do they gain or lose energy?

Lose

Does it take more or less energy to break free from a Larger number of electrons?

More

If an atom has 7 electrons in its outer shell, will it form a positive or negative ion? Why?

Negative, because it needs to gain an electron to fill its outer shell

If an atom GAINS an electron, it becomes ----- charged

Negatively

Atoms of the SAME element that have DIFFERENT numbers of ----- are called isotopes

Neutrons

Ionic bonds form when atoms of a metal transfer electrons to atoms of a ------

Nonmetal

During ionic bonding, atoms become ------- charged ions

Oppositely

Ionic bonds are formed between what two things?

Positive and negative ions

If an atom LOSES an electron, it becomes ------- charged

Positively

Ionic bonds are strong and the crystals are ------

Ridgid

Different isotopes of the same elements generally have the ------ chemical properties

Same

Give four characteristics of ionic compounds?

Solids, High melting point High freezing point Poor electrical conductor

Are ionic bonds strong or weak?

Strong

What happens when a positive and negative ion get near each other?

They become attracted to each other and transfer electrons

Give an example of one way in where the human body needs ions?

To regulate the human heart