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Chemistry

Periodic Table + Bonding

QuestionAnswer
What is the final column on the periodic table called? Group 0
Metals normally form ions which have a ____________ charge, while non-metals form ions with a ____________ charge Positive, negative
Ionic structured arrange themselves into a 3D structure called what? A lattice
Formula for hydroxide? OH -
Formula for sulphate? SO4 2-
Formula for nitrate? NO3 -
Formula for carbonate? CO3 2-
Formula for ammonium? NH4 +
The forces of attraction within a molecule for covalent bonding are _______ Strong
The forces of attraction between molecules for covalent bonding are _______ Weak
Two substances made from the same element, that are in the same physical state, but that have different structures, are called ____________ Allotropes
Describe the forces of attraction in a covalent bond Shared pair of electrons attracted to the nuclei
Why can’t diamond conduct electricity? It has no free electrons
What is a substance called which is made up of two different metals? An alloy
Metals can be bent into shape, making them ___________ Malleable
Why is an alloy much harder than pure metal? Different sized atoms disrupt the regular structure
Why are pure metals malleable? Because they are made up of layers that can easily slide over each other
In metallic bonding, each metal atom becomes an ion with a ___________ charge Positive (it does this by giving up its outer shell electrons)
Created by: PodgyGeordie
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