C2.1 Structure And Bonding Flashcards
Define element
They’re on the periodic table and are made up of only one type of atom
Define compound
Two or more elements that have been chemically bonded
Define mixture
Two or more elements or compounds that are not chemically bonded and can be separated
Define ion
A charged particle produced by the loss or gain of electrons
Define ionic bonding
The electrostatic force of attraction between positively and negatively charged ions - transferring electrons
Ionic bonding is between ………..
Metals and non-metals
What happens during ionic bonding?
A metal reacts with a non-metal and the metal atom gives one or more electrons to the non-metal atom
Both atoms become charged particles called ions
Metal atoms form positively charged ions and non metals form negatively charged ions
Ionically bond sodium chloride
Na (2,8,1)
Cl (2,8,7)
-> Na+ (2,8)
Cl- (2,8,8)
Do more ionic bonds from book (6/6/16)
Correct or not???????
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Ionic bonds between the charged particles result in an arrangement of ions called _________
A giant structure or giant lattice
Why are ionic bonds strong?
The force exerted by an ion on the other ions acts equally in all directions
What is the chemical symbol of magnesium chloride?
MgCl2
Covalent bonding is between _________
They _______ electrons.
Two or more non-metals
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Practise some covalent bonds (14/6/16)
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Define molecule
Two or more atoms joined together by a covalent bond
