Answer:
They are both pretty soft for metals, but magnesium is significantly harder than calcium using this scale . Mg = 2.5, Ca = 1.75. The larger the number, the harder
Explanation:
Then that would be 100% all together I believe
Answer:
0.74mol
Explanation:
4.5×10^23/6.02×10^23=0.74mol
There are globular and open star clusters, but there are no binary, eclipsing, or wobbling ones.
Compare HCl, NaOH, and NaCl: HCl is a stronger acid than water. NaCl is a weaker base than NaOH. Strong acids react with strong bases to form weaker acids and bases. ... Compare NaOH, NH3, and H2O, and NH4Cl: NaOH is a stronger base than NH3.