Describe the structure of an alpha particle
An alpha particle is made up of two neutrons and two protons. It is the same as the nucleus of a helium atom.
AM
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All answers ▸a bat emits sound waves with a range of wavelengths. Some of the sound waves will be diffracted by the insect. Complete the following sentences to explain why. [2 marks] Diffraction is caused by the sound waves _______________________________________
What is the difference between nuclear fission and fusion?
Define Newton's three laws
According to Newton's third law, every action has an equal and opposite reaction. Why then does a box move when I push it? Shouldn't the two opposing forces cancel out to a zero net force?