Top answers

Magnesium has 12 as its atomic number, how many protons does it have?

12 -the proton number of an atom is also its atomic number
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Answered by Jacob J. • Chemistry tutor
5290 Views

What is the doppler effect?

The Doppler effect is caused when waves (such as light or sound waves) are emitted from a moving source which causes an increase or decrease in the wavelength of the emitted wave. This increase or decrease d...
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Answered by Jeronimo S. • Physics tutor
3293 Views

What is the difference between the Mercalli and Richter scale?

The Mercalli and Richter scales are both used when measuring the impacts of seismic activity. However, while the Richter scale measures the magnitude of the earthquake (meaning the force of the earthquake), ...
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Answered by Matthew H. • Geography tutor
37355 Views

how would you solve the simultaneous equations 3x + 4y = 11, 5x - y = 3?

the first thing to do when trying to solve simultaneous equations like this one is to look for a common coefficient. one of these doesn't exist in the equations as they are so you have to multiply one or bot...
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Answered by Ryan M. • Maths tutor
4468 Views

How do I write about the form and structure of a text?

When you're asked to write about a text's form and structure, it is always important to have the main themes of the text at the back of your mind. This is because form and structure can be thought of as tool...
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