which gas has 2 k shells
Answers
Answer:
2 Helium (He) 2
3 Lithium (Li) 2
4 Beryllium (Be) 2
5 Boron (B) 2
6 Carbon (C) 2
7 Nitrogen (N) 2
8 Oxygen (O) 2
9 Fluorine (F) 2
10 Neon (Ne) 2
11 Sodium (Na) 2
12 Magnesium (Mg) 2
13 Aluminum (Al) 2
14 Silicon (Si) 2
15 Phosphorus (P) 2
16 Sulfur (S) 2
17 Chlorine (Cl) 2
18 Argon (Ar) 2
19 Potassium (K) 2
20 Calcium (Ca) 2
21 Scandium (Sc) 2
22 Titanium (Ti) 2
23 Vanadium (V) 2
24 Chromium (Cr) 2
25 Manganese (Mn) 2
26 Iron (Fe) 2
27 Cobalt (Co) 2
28 Nickel (Ni) 2
29 Copper (Cu) 2
30 Zinc (Zn) 2
31 Gallium (Ga) 2
32 Germanium (Ge) 2
33 Arsenic (As) 2
34 Selenium (Se) 2
35 Bromine (Br) 2
36 Krypton (Kr) 2
42 Molybdenum (Mo) 2
48 Cadmium (Cd) 2
50 Tin (Sn) 2
53 Iodine (I) 2
Atomic Number Element Energy Levels or "shells"
17 Chlorine (Cl) 2
18 Argon (Ar) 2
19 Potassium (K) 2
20 Calcium (Ca) 2