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Name Group 0 in the periodic table. What is the tree in boiling points and why?

The Noble GasesThe boiling points increase as you go down the group. This is because the atoms get larger and the intermolecular forces become more numerous and stronger hence more energy is needed to break ...
EB
Answered by Ellie B. • Chemistry tutor
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Give the name of the monomer used to make poly(chloroethene). And describe how monomer molecules form polymer molecules.

Briefly explain the etymology of hydrocarbon names and how polymers are named. The answer is therfore, chloroethene. 2. Draw a structure for chloroethene and show in diagram how chloroethene polymerises. 3. ...
SD
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Explain the trends in electronegativity in the periodic table

As you go across the period from left to right (excluding noble gases), electronegativity increases. This is because the nuclear charge increases (Atomic Number/number of protons) and atomic radius decreases...
AP
Answered by Anika P. • Chemistry tutor
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What is the First Law of Thermodynamics?

The First Law of Thermodynamics is that energy cannot be created or destroyed, it can only change from one form to another. For example, a boulder perched at the top of a hill has gravitational potential ene...
JD
Answered by Jade D. • Chemistry tutor
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What is a covalent bond?

A covalent bond is when the nuclei of two different atoms share a bonded pair of electrons.
CM
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