Strontium

Strontium ek chemical element hae, jiske chemical symbol Sr, atomic number 38 aur atomic mass hae. Flame test Strontium sample Strontium under paraffin...

hae lekin otna jaada reactive nai hae. Khaara matti dhaatu hae: beryllium, magnesium, calcium, strontium, barium, aur radium. Radium radioactive hae....

Physical Laboratory: Trapped ion optical frequency standards High-accuracy strontium ion optical clock; National Physical Laboratory (2005) National Research...

(Argentum) Ag 47 107.8682(2) 11 5 Sodium (Natrium) Na 11 22.98976928(2) 1 3 Strontium Sr 38 87.62(1) 2 5 Sulfur S 16 32.065(5) 16 3 Tantalum Ta 73 180.94788(2)...