|
Coral polyps excrete hard skeletons made of this, CaCO3; get enough of the little guys together & you get a reef |
calcium carbonate
|
$1,600 |
DJ |
HITTING YOU WITH HARD SCIENCE |
2025-12-23 |
#9462 |
|
This 2-word compound is the main component of both limestone & coral reefs |
calcium carbonate
|
$1,200 |
DJ |
2-WORD SCIENCE TERMS |
2023-01-20 |
#8790 |
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(Jimmy of the Clue Crew displays a chemical formula on the monitor.) When acetic acid in vinegar reacts with CaCO3, this compound in the eggshell, bubbles of CO2form in the vinegar & dissolve the shell, leaving just the membrane |
calcium carbonate
|
$1,600 |
DJ |
SCIENCE |
2011-06-07 |
#6167 |
|
Chalk & limestone are naturally occurring forms of this compound, CaCO3 |
calcium carbonate
|
$300 |
J |
GENERAL SCIENCE |
1992-05-21 |
#1794 |
|
CaCO3, it's the main ingredient in limestone |
calcium carbonate
|
$800 |
DJ |
SCIENCE |
1990-09-10 |
#1381 |