Write 1to 40 elements names and atomic number s and atomic mass
Answers
Answer:
First 40 elements with their atomic number and mass number.
element -atomic number-atomic mass
Hydrogen ------ 1 --------- 1
Helium ---------- 2 -------- 4
Lithium ---------- 3 -------- 7
Beryllium ------- 4 -------- 9
Boron ----------- 5 ------ 10.8
Carbon ---------- 6 -------- 12
Nitrogen ------- 7 -------- 14
Oxygen. -------- 8 -------- 16
Fluorine -------- 9 -------- 19
Neon ----------- 10 ------- 20
Sodium -------- 11 -------- 23
Magnesium --- 12 ------- 24
Aluminium ---- 13 -------- 27
Silicon ----------14 ------- 28
Phosphorus -- 15 -------- 31
Sulphur ------- 16 -------- 32
Chlorine ------- 17 ------ 35.5
Argon ---------- 18 -------- 40
Potassium ---- 19 -------- 39
Calcium ------- 20 ------- 40
Scandium ---- 21 -------- 45
Titanium ----- 22 ------- 47.8
Vanadium ---- 23 -------- 51
Chromium ----24 -------- 52
Manganese - 25 -------- 55
Iron ----------- 26 -------- 56
Cobalt -------- 27 -------- 59
Nickel -------- 28 ------ 58.8
Copper ------ 29 ------ 63.5
Zinc ----------- 30 -------- 66
Gallium ------- 31 --------- 70
Germanium --32 -------- 73
Arsenic --------33 -------- 75
Selenium ----- 34 -------- 79
Bromine ------ 35 -------- 80
Krypton ------- 36 -------- 84
Rubidium ----- 37 -------- 85
Strontium ----- 38 -------- 88
Yttrium --------- 39 -------- 89
Zirconium ----- 40 -------- 91
EXTRA INFORMATION ÷
i >> This is the modern form of Periodic Table
ii >> It is based on the Atomic number of the elements.
iii >> Father of Modern Periodic Table is Dmitri Mendeleev.
iv >> The modern Periodic Table consists of 18 vertical columns and 7 horizontal rows.
v >> Elements in a group have similar chemical and physical properties because they have the same number of outer electrons.