The ions F⁻, Na⁺, Mg²⁺, and Al³⁺ have 10 electrons, as Ne, the closest noble gas.
To determine the number of electrons of an ion, we need to consider:
- The atomic number (Z): It establishes the number of protons and electrons in the neutral species.
- The charge: It indicates the number of electrons gained (negative charge) or lost (positive charge).
F has 9 electrons (Z = 9) and it gains 1 electron to form F⁻. The total number of electrons is 9 + 1 = 10.
Na has 11 electrons (Z = 11) and it loses 1 electron to form Na⁺. The total number of electrons is 11 - 1 = 10.
Mg has 12 electrons (Z = 12) and it loses 2 electrons to form Mg²⁺. The total number of electrons is 12 - 2 = 10.
Al has 13 electrons (Z = 13) and it loses 3 electrons to form Al³⁺. The total number of electrons is 13 - 3 = 10.
The ions F⁻, Na⁺, Mg²⁺, and Al³⁺ have 10 electrons, as Ne, the closest noble gas.
Learn more about ions here: brainly.com/question/3110170
50ml = 50cm³ = 0,05dm³
C = n/V
n = 0,15 mol/dm³ × 0,05dm³
n = 0,0075 mol CH₃COOH
..............................
CH₃COOH + NaOH ----> CH₃COONa + H₂O
1 mol...............1 mol
1 mol CH₃COOH ------------1 mol NaOH
0,0075 mol CH₃COOH --- X
X = 0,0075 mol NaOH
V = n/C
V = 0,0075/0,1
V = 0,075 dm³ = 75cm³ = 75 mL
No it is affected by temperatures .
Volatile organic compounds are compounds
that easily evaporate at standard room temperature and pressure. They are
considered harmful to the environment if regulations are not followed. Examples
of this are:
Benzene
Ethanol
Benzopyrene
Ethenone
Acetic acid
Methane
Butane
Heptane
Pentane
