Sr has 38 protons, 38 electrons, and 50 neutrons.
c. Rb plus. Kr has 36 electrons, the same as Se2-, As3+, Sr2+, and Br-. Rb plus has 35 electrons, which is not isoelectronic with Kr.
Sulfur's atomic number is 16. Neutral sulfur would then have 16 protons and 16 electrons. Since we're dealing with S2- though, we need to add 2 electrons to this, making 18.
the number of protons stay the same in every element (i think). So the number of protons is the atomic number. Therefore, this is tungsten (W). The electrons and nuetrons are the only thing that change.
In a neutral compound, the ratio of Sr2+ ions to Br- ions would be 1:2 to ensure overall charge neutrality. This means there would be one Sr2+ ion for every two Br- ions in the compound.
Krypton has the same electron arrangement as Sr2. Both have a total of 36 electrons arranged in outer shells with the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6.
c. Rb plus. Kr has 36 electrons, the same as Se2-, As3+, Sr2+, and Br-. Rb plus has 35 electrons, which is not isoelectronic with Kr.
The strontium ion is Sr2+ with the same electron configuration as Kr. Sr element has an atomic number of 38- the neutrl Sr tom has 38 protons in its nucleus and 38 electrons - therefore the ion Sr2+ has 2 less - 36.
Sulfur's atomic number is 16. Neutral sulfur would then have 16 protons and 16 electrons. Since we're dealing with S2- though, we need to add 2 electrons to this, making 18.
It will lose 2 to form Sr2+
isoelectronic
the number of protons stay the same in every element (i think). So the number of protons is the atomic number. Therefore, this is tungsten (W). The electrons and nuetrons are the only thing that change.
This is the anion of the isotope arsenic-73: 73As3-; it is impossible to write correct in WikiAnswers.
No, Strontium is an alkaline earth metal which exists in solid state.
To convert the concentration of Sr2+ from grams per kilogram to parts per million (ppm), you can use the following formula: 1 ppm = 1 mg/L = 1 mg/kg. Given that the concentration is 0.0079 g/kg, you can convert this to 7.9 mg/kg or 7.9 ppm.
In a neutral compound, the ratio of Sr2+ ions to Br- ions would be 1:2 to ensure overall charge neutrality. This means there would be one Sr2+ ion for every two Br- ions in the compound.
Strontium typically loses electrons to form a positively charged ion (Sr2+). It is in group 2 of the periodic table, meaning it tends to lose two electrons to achieve a stable electron configuration.
Krypton has the same electron arrangement as Sr2. Both have a total of 36 electrons arranged in outer shells with the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6.