Which element has the electron configuration 2 8 2?
Table of Contents
Which element has the electron configuration 2 8 2?
Magnesium
Magnesium with atomic number 12, has the electronic configuration 2, 8, 2.
What atom has an electron configuration of 2/8 1?
Element potassium (k) would be chemically similar to the element with electronic configuration 2,8,1 as both of these elements belong to group 1 of the periodic table as both have 1 valence electron.
What is the atomic number of 2/8 2 element?
An element has its electron configuration as 2, 8, 2. a. The atomic number of this element is 12.
What element has an electron configuration of 2 and 6?
FIGURE 5.9 The arrow shows a second way of remembering the order in which sublevels fill. Table 5.2 shows the electron configurations of the elements with atomic numbers 1 through 18….
| Element | Atomic number | Electron configuration |
|---|---|---|
| carbon | 6 | 1s22s22p2 |
| nitrogen | 7 | 1s22s22p3 |
| oxygen | 8 | 1s22s22p4 |
| fluorine | 9 | 1s22s22p5 |
What is the name and atomic number of the element having electronic configuration 2 8 7?
⇒ 2+8+7 = 17. Therefore, the atomic number of this element is 17 and the element is chlorine. It would be chemically similar to F(9) with configuration as 2, 7.
What element has the electron configuration 2 8 4?
silicon
The given electronic configuration 2, 8, 4. Hence there are two electrons in the K shell, eight electrons in the L shell and four electrons in the M shell. Thus the total number of electrons is 14. – Since the atomic number is fourteen we can assume that the given element is silicon.
Which element has the electron configuration 2 8 8?
List of elements with electrons per shell
| Z | Element | No. of electrons/shell |
|---|---|---|
| 18 | Argon | 2, 8, 8 |
| 19 | Potassium | 2, 8, 8, 1 |
| 20 | Calcium | 2, 8, 8, 2 |
| 21 | Scandium | 2, 8, 9, 2 |
What is the atomic number of this element 2 8 3?
please answer asap. Atomic number of the element = 2+8+3=13, so it is aluminum. It has 3 valence electrons. = 13 .
What is the atomic number of this element 2 8 7?
17
⇒ 2+8+7 = 17. Therefore, the atomic number of this element is 17 and the element is chlorine.
What is the atomic number of this element answer?
The atomic number or proton number of a chemical element is the number of protons found in the nucleus of an atom. It is identical to the charge number of the nucleus. The atomic number uniquely identifies a chemical element. In an uncharged atom, the atomic number is also equal to the number of electrons….
What is the electron configuration of the element in question 3?
OMTEX CLASSES: Question 3. An element has its electron configuration as 2,8,2. Now answer the following questions. a. What is the atomic number of this element? b. What is the group of this element?
What is the atomic number of the element mg?
The electronic configuration = 2,8,2 This element is Mg. Therefore, The atomic number of this element is 12.
How do you find the electron configuration without a chart?
If you don’t have a chart, you can still find the electron configuration. Use the element blocks of the periodic table to find the highest electron orbital.
What is the number of electrons present in the outermost shell?
The number of electrons present in the outermost shell of the element is 2. This means its valency is 2. Thus, it belongs to the group 2. c. This element belongs to period 3.