In nuclear chemistry how do you determine if an element has no neutrons?

Question

I know that a + means the element has a positive charge, and a - means the element has a negative charge, but how and when does an element have no neutrons at all?

? · Accepted Answer

There is only one element with no neutrons, and that is Hydrogen-1.  All the others will have neutrons unless you do something wierd to them.

If you really want to figure it out:
Take the atomic mass. Subtact element's atomic number (number of protons) from this.  The number you get from this is the number of neutrons.

morningstar · Answer

I am not sure why you are asking about positive and negative charges in a question about neutrons. Neutrons have no charge; they don't affect whether the charge is positive or negative.

You determine the number of neutrons by the atomic mass.

Only one nuclide has no neutrons, and that's the isotope 1H of hydrogen, sometimes known as protium.

? · Answer

this question is stressful to answer with a lot of lurking variables. It brings up greater questions. what style of deterioration does I-123 submit to. How a lot capability is released and is the coaching ideally insulated? Sorry i cant anwer this with out greater counsel

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In nuclear chemistry how do you determine if an element has no neutrons?

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