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Chemistry
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What is ionic bonding and covalent bonding?

Bonding in chemistry involves the transfer or sharing of electrons. In the case of ionic bonding, one or more electrons are transfered from one atom to another leading to charged fragments, one that is po...

KA
Answered by Kasra A. Chemistry tutor
3231 Views

What affects the rate of reaction?

Let’s start be thinking what exactly is a reaction. It takes place as an interaction between two or more particles. For that to happen, they must get close. Really close. And fast. Fast because otherwise ...

SM
3385 Views

Explain why sodium is more reactive than Lithium? (4 marks)

Na has more electron shells/ energy levels than Li. This means that Na has a greater atomic radius than Li. Therefore, the outer shell electron in Na experiences a weaker nuclear attraction than in Li. Le...

HM
Answered by Haider M. Chemistry tutor
41598 Views

What factors influence the reaction rate?

There are 5 main factors that affect the rate of reaction. 1. Concentration: Increasing the concentration increases the frequency of collisions between particles. 2. Surface Area: Increasing the surface a...

JT
Answered by James T. Chemistry tutor
2801 Views

Balance the following equation showing complete combustion of a hydrocarbon: C3H8 + O2 --> CO2 +H2O

First, we can look at the number of hydrogens on either side. The equation shows 8 hydrogen atoms on the left hand side (in C3H8) whereas on the right hand side, we have 2 hydrogen atoms (in H2O). So we n...

TA
Answered by Tahmina A. Chemistry tutor
23781 Views

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