Question

Can anyone give me the first 30 elements name , atomic number , atomic weight , symbol and their valency

Answer 1

Explanation:

ATOMIC NUMBER ELEMENT ATOMIC MASS

1 Hydrogen 1.008

2 Helium 4.0026

3 Lithium 6.94

4 Beryllium 9.0122

5 Boron 10.81

6 Carbon 12.011

7 Nitrogen 14.007

8 Oxygen 15.999

9 Fluorine 18.998

10 Neon 20.180

11 Sodium 22.990

12 Magnesium 24.305

13 Aluminium 26.982

14 Silicon 28.085

15 Phosphorus 30.974

16 Sulfur 32.06

17 Chlorine 35.45

18 Argon 39.948

19 Potassium 39.098

20 Calcium 40.078

21 Scandium 44.956

22 Titanium 47.867

23 Vanadium 50.942

24 Chromium 51.996

25 Manganese 54.938

26 Iron 55.845

27 Cobalt 58.933

28 Nickel 58.693

29 Copper 63.546

30 Zinc 65.38

Answer 2

Answer:

$\begin{tabular}{|c|c|c|c|c|c|}\cline{1-5}Element&Atomic No.&Atomic Weight&Symbol&Valency\\\cline{1-5}Hydrogen&1&1.008&H&1\\\cline{1-5}Helium&2&4.0026&He&0\\\cline{1-5}Lithium&3&6.94&Li&1\\\cline{1-5}Beryllium&4&9.0122&Be&2\\\cline{1-5}Boron&5&10.81&B&3\\\cline{1-5}Carbon&6&12.011&C&4\\\cline{1-5}Nitrogen&7&14.007&N&3\\\cline{1-5}Oxygen&8&15.999&O&2\\\cline{1-5}Fluorine&9&18.998&F&1\\\cline{1-5}Neon&10&20.18&Ne&0\\\cline{1-5}Sodium&11&22.99&Na&1\\\cline{1-5}Magnesium&12&24.305&Mg&2\\\cline{1-5}\end{tabular}$

$\begin{tabular}{|c|c|c|c|c|c|}\cline{1-5}Element&Atomic No.&Atomic Weight&Symbol&Valency\\\cline{1-5}Aluminium&13&26.982&Al&3\\\cline{1-5}Silicon&14&28.085&Si&4\\\cline{1-5}Phosphorus&15&30.974&P&3\\\cline{1-5}Sulphur&16&32.06&S&2\\\cline{1-5}Chlorine&17&35.45&Cl&1\\\cline{1-5}Argon&18&39.948&Ar&0\\\cline{1-5}Potassium&19&39.098&K&1\\\cline{1-5}Calcium&20&40.078&Ca&2\\\cline{1-5}Scandium&21&44.956&Sc&3\\\cline{1-5}Titanium&22&47.867&Ti&4\\\cline{1-5}Vanadium&23&50.942&V&5,4\\\cline{1-5}\end{tabular}$

$\begin{tabular}{|c|c|c|c|c|c|}\cline{1-5}Element&Atomic No.&Atomic Weight&Symbol&Valency\\\cline{1-5} Chromium&24&51.996&Cr&2\\\cline{1-5}Manganese&25&54.938&Mn&7,4,2\\\cline{1-5}Iron&26&55.845&Fe&2,3\\\cline{1-5}Cobalt&27&58.933&Co&2\\\cline{1-5}Nickel&28&58.693&Ni&3,2\\\cline{1-5}Copper&29&63.546&Cu&2,1\\\cline{1-5}Zinc&30&65.38&Zn&2\\\cline{1-5}\end{tabular}$

Note: Atomic weight are in 'u'.