Ionic Bonding (pg 113 Flashcards
What three types of bonding are there to bond particles together?
Ionic
Covalent
Matallic
What is Ionic Bonding?
The transfer of electrons
What happens when a metal and a non metal react together?
the metal atom loses electrons to form a positively charged ion, and the non-metal gains these electrons to form a negativey charged ion
These oppositely charged ions are strongly attracted to one another by electrostatic forces. this attraction is called ionic bond
When opposite charged ions are strongly attracted to one another by electrostatic forces, what is this attraction called?
Ionic Bond
What do a Dot and Cross Diagram show?
it shows how Ionic Compounds are formed.
The diagram shows the arrangement of electrons in an atom or ion. Each electron is represented by a dot or a cross. so these diagrams can show which atom the electrons in an ion originally came from. (see diagram on page 113)
Dot and Cross diagrams are useful for showing how ionic compounds are formed, but what dont they show?
They don’t show the structure of the compound, the size of the ions or how they’re arranged.
describe in terms of electron transfer, how sodium (Na) and Chlorine (Cl) react to form sodium chloride (NaCl)? ( 3 marks)
Each sodium atom loses an electron to form an Na+ ion (1 mark)
Each chlorine atom gains an electron to form a Cl- ion (1 mark)
The oppositely charged ions are attracted to each other by electrostatic attraction (1 mark)