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Chemistry
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Explain the change in first ionisation energy across period 2

Ionisation energy increases overall because nuclear charge increases with no significant increase in shielding, so it becomes more difficult to remove the outer electron.Ionisation energy decreases going ...

Answered by Amelia I. Chemistry tutor
13730 Views

State and explain how the attraction between nuclei and outermost electrons varies across group 3 (2 marks)

Attraction between the nucleus and the outer electrons increases across a group because the proton number increases and the atomic radius decreases due to increased nuclear charge.Across a group shielding...

Answered by Amy D. Chemistry tutor
9624 Views

Write an equation for the incomplete combustion of dodecane to produce gaseous products only.

C10H22 (l) + 11.5O2 (g) --> 10CO(g) + 11H20 (g)Incomplete combustion so the products are CO and H2O, remember to include state symbols as the question asks for gaseous products.

Answered by Fawcett G. Chemistry tutor
13401 Views

Balance the following equation for the formation of magnesium chloride: Mg + HCl --> MgCl2 + H

Mg + 2HCl --> MgCl2 + H2
There are two chlorines in magnesium chloride so you put a two in front of the hydrochloric acid. This means that you need to put a 2 aft...

Answered by Helen G. Chemistry tutor
3269 Views

What is Ionic bonding?

Ionic bonding is bonding between a metal and a non-metal. This happens due to a transferal of electrons. For example a metal from group 2 such as Magnesium bonding to a non-metal from gro...

Answered by Bobby B. Chemistry tutor
1935 Views

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