Explanation: This is because: Discussion of calcium is often paired with magnesium, and for good reason. As neighbors on the periodic table, they have similar chemical properties and behave similarly in several chemical reactions. They share some regulatory mechanisms and act in many of the same physiologic arenas.
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a:
by the combination of an unlimited number of elements
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answer: i have one answer
acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions
explanation:
hope this and sorry i could only come up with one answer!
What is the pressure of 0.500 moles of carbon dioxide gas in a 2.5 l tank and at a temperature of 301 k? (r=0.0821 l·atm/mol·k) 3.08 atm 1.2 atm 0.23 atm 4.01 atm 4.94 atm
K12 chemistry unit assessment: chemical bonding, electrostatic forces in ionic bonds hold which of the following together? 1. he atoms in helium gas 2.na+ and br- in nabr 3. fe atoms and localized electrons in iron