Question

What are the first 30 elements and their atomic numbers and symbols

Answer 1

Explanation:

NumberSymbolNameAtomic Mass

(amu, g/mol)1HHydrogen1.007972HeHelium4.002603LiLithium6.9414BeBeryllium9.012185BBoron10.816CCarbon12.0117NNitrogen14.00678OOxygen15.99949FFluorine18.99840310NeNeon20.17911NaSodium22.9897712MgMagnesium24.30513AlAluminum26.9815414SiSilicon28.085515PPhosphorus30.9737616SSulfur32.0617ClChlorine35.45318ArArgon39.94819KPotassium39.098320CaCalcium40.0821ScScandium44.955922TiTitanium47.9023VVanadium50.941524CrChromium51.99625MnManganese54.938026FeIron55.84727CoCobalt58.933228NiNickel58.7029CuCopper63.54630ZnZinc65.38

Answer 2

Answer:

1.H Hydrogen

2.He Helium

3 Li Lithium

4 Be Beryllium

5 B Boron

6 C Carbon

7 N Nitrogen

8 O Oxygen

9 F Fluorine

10 Ne Neon

11 Na. Sodium

12 Mg Magnesium

13 Al Aluminum

14 Si Silicon

15 P Phosphorus

16 S Sulfur

17 Cl Chlorine

18 Ar Argon

19 K Potassium

20 Ca Calcium

21 Sc Scandium

22 Ti Titanium

23 V Vanadium

24 Cr Chromium

25 Mn Manganese

26 Fe Iron

27 Co Cobalt

28 Ni. Nickel

29 Cu Copper

30 Zn Zinc