Bonding General
What do you call an atom in Arabi?
what are atoms held together by?
ذرة
force
How many elements are there in total?
117
What kinds of compounds use ionic bonding?
Metals and non metals
Covalent bonds share electrons between ____?
atoms
Name an element that attracts
iron to magnet
8 (octet)
What happens in an ionic bond?
One atom transfers electrons to the other
which group of elements is considered the most stable?
the noble gases!
mercury
What happens when metal atoms lose their electrons?
They become positively charged by their proton ions.
Metals gain electrons while non-metals lose their electrons
True or false?
False! Its the other way around
DAILY DOUBLE
What do covalent bonds tell us about the law of Qudrat?
To help and bond with each other
What is the importance of bonding?
It creates diverse materials
Important compounds are formed, such as water!
An ion is an uncharged particle.
True of False?
False! Ions have a positive or negative charge
Nerve impulses are an example of ______ _______ created by ions.
electric energy
Give two common examples of covalent bonds
H20, sugra, DNA. hydrocarbs, amino acids
What is the tendency of atoms in the outer shell?
To maintain a stable state
Why are metals good conductors of electricity and heat?
Because their negative electrons are free to move
Name an important compound that is made by an ionic bond mentioned in your book
which elements does it contain?
Salt
Sodium/Chlorine
Note: they are separately harmful!
explain in short the difference between covalent and ionic bonds
covalent bonds share atoms, while ionic bonds transfer them