These electrons can<span> either </span>be<span> lost to another atom, or the valence shell may have room ... want to gain or lose an electron, it </span>will<span> never </span>happen<span> with an isolated atom. ... that make it very easy to determine the </span>charge<span> directly from the </span>periodic table. ... He0. Li+<span>. </span>Be+2. B+3. C-4. N-3. O-2<span>. </span>F-. Ne0. Na+. Mg+2. Al+3. Si-4. P-3. S-2<span>.</span>
The second one is endothermic as endothermic reactions require energy for the reaction to take place.
I believe the answer is (B) as molten Kevlar when spun into fiber, its polymers have a crystalline arrangement.
Hope that helped!
Answer:
Double-Replacement Reaction
Explanation:
Mg is Oxidized, and O2 is the cause of the oxidation, hence the Oxidizing agent. That means that O2 is Reduced and Mg is the cause naming it the Reducing agent.
OIL - RIG Oxidation is Loss-Reduction is Gain
Answer:
Magnesium is a naturally ubiquitous; (appearing & found evrywhere) element and has three naturally occurring stable isotopes, 24Mg, 25Mg and 26Mg, with relative abundance of 78.99%, 10.00% and 11.01%, respectively.
However, they differ only because a 24Mg atom has 12 neutrons in its nucleus, a 25Mg atom has 13 neutrons, and a 26Mg has 14 neutrons.
Explanation:
