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Chemistry
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What is the electronic configuration of a Calcium ion?

1s2,2s2,2p6,3s2,3p6

ZO
Answered by Zainab O. Chemistry tutor
5610 Views

Can you please explain the effect of increasing temperature on the rate of reaction

For a given reaction, it is often seen that the rate of reaction doubles following a 10oC increase in temperature. But why is this?

(note: Here I would plot a graph of Rate vs Temperature, to show ...

TM
Answered by Tom M. Chemistry tutor
2906 Views

Explain the significance of atomic number and mass number in determining atomic properties. Which of these changes in isotopes?

Atomic Number: Number of Protons in the nucleus of the atom, also equal to the number of electrons in a neutral atom.

Mass Number: Total number of "nucleons" (Protons and Neutrons) in the...

JT
Answered by Joshua T. Chemistry tutor
12474 Views

Begin to explain some trends across a period of the periodic table.

As you move from group 1 across the periodic table to group 7.

  1. The types of bonding change. Consider an element within group 1 - Lithium (Li). This exists as a metal, it has metallic bonding....
KO
Answered by Kim O. Chemistry tutor
2725 Views

Explain in detail what do you understand by catalyst, what makes them so useful and give two example of catalytic processes including the name catalyst used.

Catalyst are chemical or biological substances that speeds up the rate of reaction without being used up in the overall process. It provides an alternative route for a reaction occur with a lower activati...

PA
2228 Views

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