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Chemistry
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Why a sodium ion has a smaller radius than a sodium atom?

Let’s look closer at the sodium atom. Really close, so we could see. Atom is a neutral species, with 11 protons in the nucleus. We can find that information in the periodic table. 11 proton charge should ...

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Answered by Igors D. Chemistry tutor
12975 Views

In order for a chemical reaction to occur the particles must...

Collide, in the right orientation, with sufficient energy (more than the activation energy barrier)

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Answered by Neringa K. Chemistry tutor
3524 Views

What is a Lewis acid?

Electron pair donor

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Answered by Tamara O. Chemistry tutor
2824 Views

What are the 3 main variables within a scientific experiment?

• The independent variable is what you change throughout the experiment. Some examples of this may be temperature, pH, light levels or time. • The dependent variable is what is being measured. This is exp...

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Answered by Rachael Y. Chemistry tutor
19220 Views

Why does an atom have no overall charge?

In an atom, protons have a +1 charge. Electrons that orbit the nucleus have a -1 charge, the number of electrons equals the number of protons so the charges cancel.

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Answered by Martin R. Chemistry tutor
2615 Views

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