An ion is an atom with a net electrical charge due to ______.
2 answers:
Explanation:
Loss of one or more electrons by a neutral atom will help the neutral atom to acquire a positive charge.
For example, atomic number of sodium is 11 and to stabilize itself it needs to lose one electron. So, by losing an electron it will change into ion.
On the other hand, gain of one or more electrons by a neutral atom will help the neutral atom to acquire a negative charge.
For example, Cl has atomic number 17 and to fill its octet completely it need one more electron. So, by gaining an electron is will change into ion.
Therefore, we can conclude that an ion is an atom with a net electrical charge due to loss or gain of electrons.
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Answer:
The volume of helium at 25.0 °C is 60.3 cm³.
Explanation:
In order to work with ideal gases we need to consider absolute temperatures (Kelvin). To convert Celsius to Kelvin we use the following expression:
K = °C + 273.15
The initial and final temperatures are:
T₁ = 25.0 + 273.15 = 298.2 K
T₂ = -196.0 + 273.15 = 77.2 K
The volume at 77.2 K is V₂ = 15.6 cm³. To calculate V₁ in isobaric conditions we can use Charle's Law.