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Gnom [1K]
3 years ago
9

What subatomic particle(s) is/are located in the nucleus of the atom? (4 points)

Chemistry
2 answers:
LiRa [457]3 years ago
5 0
Protons and neutrons :)
weqwewe [10]3 years ago
3 0
Protons and Neutrons.
Brainliest answer pls.
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Stannum has a body centered tetragonal with lattice constant, a = b = 5.83A and c = 3.18A. If the atomic radius is 0.145 nm, det
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Answer:

the atomic packing factor of Sn is 0.24

Explanation:

a = b = 5.83A and c = 3.18A.

Volume of unit cell = a²c

= (5.83)² *  3.18 * 10⁻²⁴ cm³

= 1.08 * 10⁻²²cm³

Volume of atoms =

2 \times  \frac{4}{3} \pi r^3

(∴ BCC, effective number of atom is 2)

Volume of atoms =

2 * \frac{4}{3} *3.14*(0.145*10^-^7cm)^3

= 2.55*10⁻²³cm³

\text {Atomic packing factor}=\frac{\text {volume occupied by atom}}{\text {volume of unit cell }}

=\frac{2.55*10^-^2^3}{1.08*10^-^2^2} \\\\=0.24

<h3>therefore, the atomic packing factor of Sn is 0.24</h3>
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3 years ago
If an acid or alkali is diluted by a factor of 10, what effect will this have on its pH?
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