helium, beryllium, magnesium, calcium, strontium, barium, radium. i believe any of these are proper answers.
Write the symbols for the cation and the anion: Mg and Cl.
Determine the charge on the cation and anion. If the cation has a Roman numeral after it, that is the charge on that cation. ...
Determine formula.
Answer:
In liquids, particles are quite close together and move with random motion throughout the container. Particles move rapidly in all directions but collide with each other more frequently than in gases due to shorter distances between particles.
M = m/L
moles of CaO = 2.75g / molar mass
2.75g/ 56.08g = 0.049moles CaO
155mL / 1000 = 0.155 L
M= 0.049moles/0.155L
M=0.316
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