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Anna11 [10]
3 years ago
7

An atom that has 13 protons and 15 neutrons is isotope of the element

Chemistry
1 answer:
wariber [46]3 years ago
7 0
Answer=c

Atoms dont "lose" or "gain" protons, if they did, they'd be completely different elements. So basically, anything with 13 protons is a form of Aluminum.
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Calcula la masa atómica del Hierro y las partículas subatómicas de cada uno de sus isótopos. Fe-54 (5.82%), Fe-56 (91.66%), Fe-5
tino4ka555 [31]

Answer:

La masa atómica del hierro es 55.847 gramos por mol.

Explanation:

Las masas molares de Fe_{54}, Fe_{56}, Fe_{57} y Fe_{58} son 53.940 gramos por mol, 55.935 gramos por mol, 56.935 gramos por mol y 57.933 gramos por mol, respectivamente. La masa atómica del hierro se determina mediante el siguiente promedio ponderado:

M_{Fe} = \frac{5.82}{100}\times \left(53.940\,\frac{g}{mol} \right)+\frac{91.66}{100}\times (55.935\,\frac{g}{mol})+\frac{2.19}{100}\times \left(56.935\,\frac{g}{mol} \right)+\frac{0.33}{100}\times \left(57.933\,\frac{g}{mol} \right)

M_{Fe} = 55.847\,\frac{g}{mol}

La masa atómica del hierro es 55.847 gramos por mol.

8 0
3 years ago
Which of the following statements is true about the atoms of any element:
aniked [119]
B) They have protons that are identical to the protons of all other elements
3 0
3 years ago
1. How many moles of HCl are in 7.80 X 1022 molecules? Answer:___0.13 moles of HCI​
Nuetrik [128]

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Explanation:

8 0
3 years ago
How to answer this ?
tamaranim1 [39]

Answer:

as follow

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a acceptor

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1.2

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6 0
3 years ago
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