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Archy [21]
3 years ago
11

What is common to all elements in the same group in the periodic table?

Chemistry
2 answers:
lesantik [10]3 years ago
7 0
They have the same number of outer electrons
Otrada [13]3 years ago
7 0
They have the same number of outer electrons is the right answer hope this helps

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Debido a que propiedad un cuerpo flota en el agua y otro no​
Nata [24]

Answer:

cuerpo flota o se hunde es su densidad con respecto a la del líquido en que se sumerge. En cambio, una nuez (densidad = 0.5) flotara en ambos líquidos mientras que una piedra (densidad = 2) se hundirá.

Explanation:

:)

8 0
3 years ago
What process is used to refine aluminum from its ore bauxite?
Murljashka [212]

Answer:

D. Smelting

Explanation:

Bauxite is the aluminum ore from which alumina, also known as aluminum oxide, Al₂O₃, is produced. Bauxite is extracted from the topsoil regions of some subtropical and tropical regions, and the Bayer process is primarily then used to produce alumina from the bauxite.

Aluminum is produced from the alumina by an aluminum smelting process known as the Hall—Heroult electrolytic process which involves the use of a carbon anode and direct current to produce aluminum by reducing the aluminum oxide

7 0
3 years ago
Iodine gas in a container is heated over a flame. What happens to the average kinetic energy of the iodine particles
Mariulka [41]

Answer:

Explanation: "As a sample of matter is continually cooled, the average kinetic energy of its particles decreases. Eventually, one would expect the particles to stop moving completely. Absolute zero is the temperature at which the motion of particles theoretically ceases"

4 0
2 years ago
A bus traveled 280 kilometers between two cities . It left the first city at 3:00 p.m. and arrived at the second city at 7:00 p.
jeyben [28]

<u>Answer:</u>

70 kilometers per hour

<u>Explanation:</u>

280 kilometers ÷ 4 hours (7:00 pm - 3:00 pm = 4 hours) = 70 kilometers per hour

<em>Hope this helps! Sorry if wrong. You are loved and you are beautiful/handsome!</em>

-Bee

7 0
3 years ago
The oxidation number of an atom is shown with a
Assoli18 [71]

Answer:

The oxidation number of an atom is the charge it appears to have when you count the electrons according to some arbitrary rules. The oxidation number of an atom depends on the other atoms in the substance.

Explanation:

For example, In KCl, the oxidation number of Cl is 0.

3 0
3 years ago
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