The volume of a prism is base times height so it should be 5.6 times 2.1 times 6.6 which gives us 77.616cm^3
Answer:
Group 2A — The Alkaline Earth Metals. Group 2A (or IIA) of the periodic table are the alkaline earth metals: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).
Explanation:
Explanation:
Percentage composition = 2/18 = 11.11%.
States that the properties of elements are periodic or recurring and are correlated to their atomic number.
Its both A and C because both A and C have only one type each so it can only be those two :)