Calcium
(chemi symbol ca) a chemical element with atomic number of 20 and a molar m-ss of 40.08 grams.
in terms of physical properties, it’s melting point is 1115°k or 842 °c (1548 °f) and boiling point is 1757 or 1484 °c (2703 °f). it’s density is 1550 kg/m3 and it’s molar volume is 26.20 cm3.
in terms of chemical properties: it is a group 2 metal (or alkaline earth metal) with 2 electrons in the outermost valency sh-ll. as well as 2, 8, and 8 electrons in it’s 1st, 2nd and 3rd sh-ll respectively, which are not used in chemical bonding.
calcium ions typically have a charge of 2+ and exist in aqueous calcium salt solutions. calcium exists, chemically bound, in human bones to provide strength as well as in marble structures.
calcium is not naturally found in its chemical form due to it’s relatively high reactivity. however, it is the 5th most abundant element in the earth’s crust. elemental calcium can be extracted through a process of smelting and electrolysis. it reacts spectacularly in water or when ignited in an oxygen rich atmosphere.
calcium used for experimentation in labs is usually a dull greyish colour because the surface has been oxidised by atmospheric oxygen.
-anyone who has bothered reading this far is truly a nerd (or someone doing an -ssignment)-
i am the science man who has concisely defined the chemical element calcium in his own words.
gives you strong bones
i ate 100 thousand pounds of calcium and now i have bones as strong as…bone
doctors “say” that you need this “every single day” in order to get strong bones, doctors “warn” that if you dont have calcium,your bones will crumble and become brittle like the walls of jericho
person 1:”dude,you need some calcium otherwise you’d die”
person 2:”thats a whole lotta cr-p!”
old old old person. so old, they’re completely calcified. see also fossil.
d-mn, that calcium is so old he farts dust!
a fw of the steampowered.com forums.
widely known over the sp.com community for his freakish conspiritorial theories and paranoia.
“you’re one of…them…aren’t you?’
‘hey dude, i’m just here to deliver your milk.'”
calcium can also be another term for being pregnant.
mom: you have to get a what?!?!
daughter: -sobbing- a calcium abortion
mom: what i want to know is how you got calcium in the first place
daughter: well, me and johnny were drinking milkshakes…and we didn’t remember to use our bendy straws -starts sobbing again-
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