When magnesium becomes an ion, it loses 2 electrons to a more electronegative ion, the remaining electrons in the magnesium atom resemble what element in the periodic table?

Why do cells appear different in distilled water than they do in 10% salt water?

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.