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Viktor [21]
3 years ago
8

The electron configuration 1s2 is correct for an element that has 2 electrons, both in the first principle energy level

Chemistry
1 answer:
Molodets [167]3 years ago
5 0

Answer:

The answer is True

Explanation:

I got it right on my quiz, hope this helps!

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Why do real gases not behave exactly like ideal gases?
mihalych1998 [28]

Answer:

Real gas particles have significant volume

Real gas particles have more complex interactions than ideal gas particles.

Explanation:

An ideal gas is an imaginary concept and a gas behaves almost ideally at certain pressure and temperature conditions.

The gas in real deviates from the ideal behavior as some of the assumptions made for ideal gases are not true in case of real gases.

Real gas particles have significant volume as compared to vessel unlike ideal gases.

There are interactions present in between real gas molecules at high pressure conditions.

8 0
3 years ago
Write word equations for the reactions of a) magnesium with chlorine b) potassium with oxygen c) sodium with bromine d) carbon w
IRINA_888 [86]
A) Magnesium + Chlorine -> Magnesium chloride ( Mg + Cl2 -> MgCl2)

b) Potassium + Oxygen -> Potassium oxide
( 2K + O2 -> K2O )

c) Sodium + Bromine -> Sodium bromide
( 2Na + Br2 -> 2NaBr)

d) Carbon + Oxygen -> Carbon dioxide
( C + O2 -> CO2 ) This reaction occurs when heated.

4 0
2 years ago
What is the effect of adding heat to a gas at constant pressure?
Anna007 [38]
The pressure will continue to build up eventually causing a release of pressure or an explosion.
8 0
3 years ago
What is the definition of a chemical bond?
sweet-ann [11.9K]

Answer:

B- A mutual attraction between the nuclei and the electrons in two different atoms

4 0
2 years ago
Which element has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d11 4p4?
pickupchik [31]
<span>Selenium (se) 
........
.....</span>
4 0
2 years ago
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