Which element has the electron configuration of 1s 2 2s 2 2p 6 3s 2 3p 4?
| Element | Atomic number | Electron configuration |
|---|---|---|
| silicon | 14 | 1s22s22p63s23p2 |
| phosphorus | 15 | 1s22s22p63s23p3 |
| sulfur | 16 | 1s22s22p63s23p4 |
| chlorine | 17 | 1s22s22p63s23p5 |
What is the electron configuration for Ca?
[Ar] 4s²
Calcium/Electron configuration
What is the end of the electron configuration for calcium?
This means that the electron configuration for calcium must end with 4s2 . The 4th energy level (row), ‘s’ orbital block, 2nd group (column). The valence electrons are found in the highest energy level of the electron configuration in the ‘s’ and ‘p’ orbitals. In the case of calcium this is 4s2 .
What is the electronic configuration of Ca 20?
The number of electrons for the Ca atom is 20. Therefore the Calcium electron configuration will be 1s22s22p63s23p64s2.
What is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6?
When the atom is an ion, it means that the number of protons does not equal the number of electrons. So, an antimony atom with charge +2 has an electron configuration of 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p1.
What element is 1s2 2s2 2p6 3s2 3p6 4s2 3d2?
Electron Configuration Match 1–Complete Address
| A | B |
|---|---|
| calcium | 1s2 2s2 2p6 3s2 3p6 4s2 |
| chromium | 1s2 2s2 2p6 3s2 3p6 4s1 3d5 ! |
| copper | 1s2 2s2 2p6 3s2 3p6 4s1 3d 10 ! |
| bromine | 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5 |
Which orbital holds the highest energy electron in the ground state of calcium?
When calcium forms an ion, it loses its two valence electrons and becomes a calcium ion with a 2+ charge. In that case the highest energy level occupied by the calcium ion’s electrons in its ground state would be the third energy level. Its electron configuration would be 1s22s22p63s23p6 .
How many electrons are in each shell?
Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n2) electrons.
What is the ground state electron configuration of calcium group of answer choices?
We’ll put six in the 2p orbital and then put the next two electrons in the 3s. Since the 3s if now full we’ll move to the 3p where we’ll place the next six electrons. We now shift to the 4s orbital where we place the remaining two electrons. Therefore the Calcium electron configuration will be 1s22s22p63s23p64s2.
What is the highest energy level of calcium?
The row any element is located in tells you what the highest energy level is that will be accepting electrons. For example, calcium, Ca, is located in the fourth row from the top of the table, so the highest energy level that contains electrons in calcium is the fourth energy level.
What is the ground state configuration of calcium CA?
The ground state electron configuration of ground state gaseous neutral calcium is [Ar]. 4s2 and the term symbol is 1S0.
What does 1s2 2s2 2p6 mean?
b. 1s2 2s2 2p6 This represents 2 electrons in the s subshell of the first energy level , 2 electrons in the s subshell of the second energy level and 6 electrons in the p subshell of the second energy level.
How does temperature affect the yield of calcium peroxide?
Increasing temperature and pH decrease the H 2 O 2 yield and increase the O 2 yield. Calcium peroxide (CaO2 ), as one of the solid peroxides, has been increasingly used in contaminated site remediation due to its ability to release oxygen (O 2) and hydrogen peroxide (H2 O 2).
What is the oxidation number of hydrogen peroxide?
Taking the oxidation number of hydrogen as +1, the oxidation number of oxygen in hydrogen peroxide is -1. In superoxides, it is -1/2, but this is peculiar. In O 2, the oxidation number is 0, while in water oxygen shows an oxidation number of -2.
What is the common oxidation number of calcium?
The electronic configuration of calcium suggests that the metal has two s- electron available for chemical bonding. Therefore, the common oxidation number or state of Ca is +2. Calcium in the periodic table
Which is more effective hydrogen peroxide or calcium carbonate?
In application of hydrogen peroxide to soil and groundwater to remediate petroleum contamination, how will the naturally occurring limestone react with the peroxide, thereby reducing the effectiveness of the application. Would calcium peroxide be more suitable.