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Because its a Synthetic Element!!!!!!!!

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โˆ™ 2008-11-21 10:09:06
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Q: In the periodic table why is the relative atomic mass of technetium usually in brackets?
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On the technetium periodic table why is its relative atomic mass usually in brackets?

Because its a synthetic element. The number that appears in brackets is the most stable isotope of technetium.

Why is the atomic mass of technetium usually in brackets?

The standardized atomic weight of technetium is [98] amu.

Why is technetiums relative mass usually found in brackets on the period table?

why is the atomic mass of technitium usually in brackets?

In the peridoic table why is technetium atomic mass number usually in brackets?

Probably because technetium does not occur naturally; all its isotopes are radioactive with short half-lives compared with naturally occurring radioactive elements such as uranium.

Why is technetiums relative atomic mass usually found in brackets on the period table?

because it is an isotope???

Is Technetium radioactive?

All isotopes of technetium are radioactive. Technetium is found only in trace quantities in nature, and then usually only in certain ores where it is a product of radioactive decay. All of the technetium used is synthetic.

Where could you find the element technetium in the world?

Usually only in a laboratory; technetium is an artificial element that does not occur in nature.

What do you use brackets for?

Usually, brackets are used to organize a league's playoff games.

What radioactive marker is used for salivary gland scans?

a low-level radioactive marker, usually technetium-99m or technetium pertechnetate.

What does the brackets stand for in math?

Brackets are a way of ordering the priority of operations. In mathematics, usually things with brackets have their operations completed first.

Are brackets in parenthesis or vise versa?

Parentheses are usually placed inside brackets.

What does periodic mean in science terms?

Usually when saying "periodic," scientists usually refer to the periodic table. This table is the shortened version of gasses, solids, liquids, and so on.

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