Why is technetium in brackets

Chemistry Matter Atomic Mass. Aug 1, The element has no stable isotopes. Explanation: For most elements, the atomic mass is not in parentheses, but is a number with at least two decimal places, such as carbon Related questions How do you calculate the atomic mass of carbon?

How are atomic mass and mass number different? How do you calculate atomic mass from isotopic composition? Yes, relative atomic masses are expressed in atomic mass units. All elements have an atomic mass relative to 12C having a mass of The atomic mass not molecular weight of technetium is 98, 7 The relative atomic mass is Technetium which has an atomic mass of Relative atomic mass, also called atomic weight, is listed on the periodic table for each element.

There is no element listed on the periodic table with a relative atomic mass of Atomic mass is so small you can't actually measure it.

So, just like carbon dating, you have to use a relative mass. Log in. Atomic Mass. Study now. See Answer. Best Answer. You know, this is a terrible way to be getting your chemistry coursework done. Here you go: www. Study guides. Atomic Mass 29 cards. What is bisinal. Difference between atomic number and atomic mass.

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Q: Why does technetium have its relative atomic mass in brackets? Write your answer Q: Why is the atomic mass of technetium usually in brackets? Write your answer Related questions. In the periodic table why is the relative atomic mass of technetium usually in brackets? On the technetium periodic table why is its relative atomic mass usually in brackets?

In the peridoic table why is technetium atomic mass number usually in brackets? Why is technetiums relative mass usually found in brackets on the period table? What is the atomic mass of technetium? What is the mass of technetium?

Technetium in brackets? Why is technetiums relative atomic mass usually found in brackets on the period table? What is the atomic number and mass number for technetium?

An element with 43 electrons an 99 atomic mass? What is the molecular weight of technetium 99? What is the lightest men made element? Why does technetium have its relative atomic mass in brackets? How many neutrons are in the nucleus of the isotopes of technetium? The mass of an atom usually expressed in atomic mass units is its? What is the nucleus for technetium? How many neutrons are in technetium?

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