Chemistry, asked by seethamahalaksh397, 1 year ago

List 30 elements with their chemical formulas valency and symbol

Answers

Answered by dee33
7

NUMBER SYMBOL ELEMENT VALENCE
1 H. Hydrogen 1, 0, -1
2. He Helium 0
3 Li Lithium 1, -1
4 Be Beryllium 2
5 B Boron 3, 2, 1
6 C Carbon 4, 3, 2, 1, -1, -2, -4
7 N Nitrogen 5, 4, 3, 2, 1, 0, -1, -2, -3
8 O Oxygen 2, 1, 0, -1, -2
9 F Fluorine 0, -1
10 Ne Neon 0
11 Na Sodium 1, -1
12 Mg Magnesium 2
13 Al Aluminum 3, 1
14 Si Silicon 4, 3, 2, 1, -1, -2, -4
15 P Phosphorus 5, 4, 3, 2, 1, 0, -1, -2, -3
16 S Sulfur 6, 5, 4, 3, 2, 1, 0, -1, -2
17 Cl Chlorine 6, 5, 4, 3, 2, 1, 0, -1, -2
18 Ar Argon 0
19 K Potassium 1, -1
20 Ca Calcium 2
21 Sc Scandium 3, 2, 1
22 Ti Titanium 4, 3, 2, 0, -1, -2
23 V Vanadium 5, 4, 3, 2, 1, 0, -1, -2
24 Cr Chromium 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4
25 Mn Manganese 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3
26 Fe Iron 6, 5, 4, 3, 2, 1, 0, -1, -2
27 Co Cobalt 5, 4, 3, 2, 1, 0, -1
28 Ni Nickel 6, 4, 3, 2, 1, 0, -1
29 Cu Copper 4, 3, 2, 1, 0
30 Zn Zinc 2, 1, 0
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