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Pie
3 years ago
5

What is the atomic number and name of an element that has 15 protons in its nucleus?

Chemistry
2 answers:
TiliK225 [7]3 years ago
8 0

Answer:

The name is phosphorus and the number of atomic is 15

Explanation:

just olya [345]3 years ago
4 0

Answer:

phosphorus.

Explanation:

The atomic number of phosphorus is 15 so the protons will be 15.

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Si en un planeta la presión atmosférica es mayor que 5,1 atm terrestres, los habitantes podrían nadar en ríos de dióxido de carb
Sphinxa [80]

Answer:

Los habitantes del planeta con una atmósfera superior a 5,1 atm de la Tierra, no estarían nadando en ríos de dióxido de carbono líquido

Explanation:

De las tablas de datos termodinámicos, la presión a la que el vapor de dióxido de carbono está en equilibrio con su estado líquido a una temperatura ambiente de 25 ° C es 6,401 kPa, lo que equivale a 63,17296 atm.

Por lo tanto, a una presión de 5.1 de la atmósfera terrestre, el dióxido de carbono es completamente gaseoso y los habitantes del planeta con una presión atmosférica de 5.1 atm de la Tierra todavía observarían solo hidrógeno gaseoso y no estarían nadando en ríos de dióxido de carbono líquido.

5 0
3 years ago
Which models are most appropriate for him to use?
jekas [21]

Answer:

the triangular model and the cubic model

5 0
3 years ago
Read 2 more answers
Gold forms face-centered cubic crystals. The atomic radius of a gold atom is 144 pm. Consider the face of a unit cell with the n
kipiarov [429]

Answer:

The length of an edge of this unit cell is 407.294 pm

Explanation:

Face centered cubic structure contains 4 atoms in each unit cell and 12 coordination number, occupying about 74% volume of the total cell. Face centered cubic structure is known for efficient use of space for atom packing.

To determine the edge length, a relationship between the radius of the atom and edge length is used.

X = R√8

Where;

X is the length of an edge of this unit cell

R is the radius of the gold atom = 144 pm = 144 X 10⁻¹² m

X = 144 X 10⁻¹²√8

X = 407.294 X 10⁻¹² m

X = 407.294 pm

Therefore, the length of an edge of this unit cell is 407.294 pm

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3 years ago
What determines the order of the elements in the modern periodic table ?
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The last electron on the outer most shell. or d oder of dere atomic no
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The change in its axis or orbit
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Axis I hope this helped answer orbit or axis
6 0
3 years ago
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