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Lyrx [107]
3 years ago
14

What information does the period number give about an atom?​

Physics
2 answers:
Anton [14]3 years ago
8 0

Answer:All of the elements in a period have the same number of atomic orbitals. For example, every element in the top row (the first period) has one orbital for its electrons. All of the elements in the second row (the second period) have two orbitals for their electrons.Explanation:

N76 [4]3 years ago
8 0

Answer:

It tells us the principle quantum shell in which the element lies in. In other words, it shows the total number of electron shells the atom has

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What is the formula of effort​
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Hey mate.....

Explanation:

This is ur answer.....

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From the Periodic table, it can be determined that iron (Fe) has an atomic mass of 56 amu, oxygen (O) has an atomic mass of 16 a
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If iron (Fe) has an atomic mass of 56 amu, oxygen (O) has an atomic mass of 16 amu, and hydrogen (H) has a mass of 1 amu, the atomic mass of Fe(OH)3 would be 107amu (option B).

<h3>What is atomic mass?</h3>

Atomic mass is the average mass of atoms of an element. The mass number of a compound can be calculated by summing the atomic masses of each element in the compound.

According to this question, the periodic table reveals that iron (Fe) has an atomic mass of 56 amu, oxygen (O) has an atomic mass of 16 amu, and hydrogen (H) has a mass of 1 amu.

The atomic mass of Fe(OH)3 can be calculated as follows:

= 56 + (16 + 1)3

= 56 + 51

= 107amu

Therefore, if iron (Fe) has an atomic mass of 56 amu, oxygen (O) has an atomic mass of 16 amu, and hydrogen (H) has a mass of 1 amu, the atomic mass of Fe(OH)3 would be 107amu.

Learn more about atomic mass at: brainly.com/question/17067547

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Explanation:

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