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Delvig [45]
2 years ago
5

Explain why it is not possible to determine the type of Atom by simplifying knowing how many neutrons it has.

Chemistry
2 answers:
nata0808 [166]2 years ago
7 0

Answer:

An atoms identity is defined by it's number of protons.

Explanation:

Neutrons do not define the identity of an atom, protons do. An element is defined by it's atomic number, Z, which is also the number of protons in an atom of that element.

alexdok [17]2 years ago
3 0

Answer:

It is not possible to accurately identify an element given only the number of neutrons. All atoms are made of three particles: electrons, protons and neutrons. The number of electrons is equal to the number of protons if the atom is uncharged.

Explanation:

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skelet666 [1.2K]

The number of hours required : 37.2 hours

<h3>Further explanation</h3>

Given

⁴²K (potassium -42)

Required

The number of hours

Solution

The atomic nucleus can experience decay into 2 particles or more due to the instability of its atomic nucleus.  

Usually, radioactive elements have an unstable atomic nucleus.  

Based on Table N(attached), the half-life for ⁴²K is 12.4 hours, which means half of a sample of ⁴²K will decay in 12.4 hours

For three half-life periods :

\tt 3\times 12.4=37.2~hours

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