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1s: ↑↓

2s: ↑↓ 2p: ↑↓, ↑↓, ↑↓

3s: ↑↓ 3p: ↑↓, ↑↓, ↑↓ 3d: ↑ ↑ ↑ ↑ ↑

4s: ↑

It's important to recognize from the above that chromium is an exception to the normal aufbau progression which would predict 1s2 2s2 2p6 3s2 3p6 4s2 3d4, which is to say that you would normally fill the 4s orbital completely with 2 electrons before starting on the 3d which would then have only 4. Copper is another such exception.

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What is the atomic number for americium?

The atomic number of americium (Am) is 95.


Atomic number for americium?

The atomic number of americium is 95.


What is the atomic number of americium?

Americium, with the chemical symbol Am, is the chemical element with the atomic number 95.


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The oxidation number of americium is typically +3. However, americium can exhibit other oxidation states, such as +2 and +4, in some chemical compounds.


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The mass number of Am-241 is 241; each isotope has another mass number.


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The electron configuration of americium is [Rn]5f7.7s2.


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There are 19 known isotopes of americium, with neutron counts ranging from 136 to 154. Americium-241, the easiest to produce, has 146 neutrons. Number of neutrons = Atomic weight (rounded) of an americium isotope - 95 Each isotope has a different number of neutrons. Americium has also 95 protons and electrons.


What is the family group name of americium?

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How many neutrons and electrons are in the element americium?

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