अल्कली धातू समूहाचा किरणोत्सर्गी घटक भिन्नता उत्पादन म्हणून शोधला गेला,

francium's Usage Examples:

chemical elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr).

francium-203 550 lawrencium-253 580 thorium-223 600 bismuth-196m1 600 seaborgium-259 600 neon-25 602 radon-199 620 nitrogen-18 622 lawrencium-257 646 moscovium-290.

Francium can also be found in uraninite at 1 francium atom for every 1 × 1018 uranium atoms in the ore.

lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr).

solubility played an important role in the characterization of francium as an alkali metal, as francium perchlorate coprecipitates with caesium perchlorate.

105 lead-202m3 107 francium-214m3 108 thorium-218 109 lead-202m2 110 neptunium-238m 112 polonium-205m4 115 bismuth-201m2 118 uranium-236m2 120 lead-203m3.

consist of the chemical elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr).

episode, it has the atomic number 87, which in reality belongs to francium, and the chemical symbol Dt.

oxygen-26 40 sodium-19 40 oxygen-25 50 nitrogen-24 52 protactinium-219 53 neon-34 60 sodium-37 60 protactinium-220m2 69 actinium-217 69 francium-215 86 lead-196m1.

alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr).

In 1939, Perey discovered the element francium by purifying samples of lanthanum that contained actinium.

Atomic number 87: francium Intel 8087, a floating-point coprocessor All pages with titles containing.

However, francium is expected and, to a small extent, observed.

Synonyms:

metal, Fr, atomic number 87, metallic element,

Antonyms:

nonmetallic,