Batteries charge slower when they are almost full because the charging process becomes more delicate and requires more precise control to avoid overcharging, which can damage the battery. As the battery reaches its full capacity, the charging current needs to be reduced to prevent overheating and maintain the battery's health.
If magnesium (Mg) has a full valence shell, it would have a 2+ charge. This is because magnesium has 2 valence electrons and would need to lose these electrons to achieve a full valence shell, resulting in a 2+ charge.
Chlorine does not have a charge. The element is Cl without a charge, and the molecule is Cl2 without a charge. The chloride ion has a charge of -1.
The charge of a fluorine ion is -1, because it gains one electron to achieve a full outer electron shell.
-1
Chlorine typically forms an anion with a charge of -1 by gaining one electron to achieve a full outer shell of electrons.
False assumption.
A set of NiMH AAA batteries can last roughly a month on a full charge if they are not being used at all and are simply allowed to sit around. In devices such as cameras and small pda's where rechargeable batteries are best used, the batteries can last nearly as long as normal alkaline batteries on a full charge. Exact times depend on the capacities of the NiMH batteries. A charge lasts long enough for a camera to be used normally for several days and hundreds of shots. As long as the NiMH batteries are not allowed to be idle and self-discharge, the life of a single charge is almost as long as a full alkaline battery. The life of the battery itself can easily be several years. NiMH batteries don't need much maintaining and can last for hundreds of charge cycles.
Lithium batteries last longer on a full charge, but are non-rechargable. Nickel metal hydride batteries are rechargeable but won't last as long per charge as lithium. Which is better depends on your needs.
Most batteries of any sort come with some charge, though almost never to their full capacity, and should be charged before their first use. Charging them all the way wouldn't do any good, since the charge naturally drains after a few weeks or months, thus it would be more expensive to keep them in inventory.
You may not have to, as some batteries come with a little bit of charge in them. However, I would say to charge it before you use it, so its at full capacity.
If they reach their full charge in 2 hours then the charger is suppose to shut off.
You can charge batteries with a different mAh rating if the charger is designed to handle them. You need to make sure of this, because Ni-Cad battery full charge state is not necessarily voltage dependent, but rather is dependent on detection of a change in voltage slope. If the power supply is not properly designed, you can overcharge the batteries, damaging them.
No, but you need to remove all devices hooked to it and it will take longer to reach full charge.A slow charge setting on the charger is best.
Dell laptops currently have the highest rated batteries. They typically can keep a full charge for at least 3 hours depending on the type of use.
The battery has nothing to do with the power of the engine. Now if you are referring to starting power then some batteries can show a full charge and still not be able to start the engine. Remove the battery and have it tested for free at almost any auto parts store that sells batteries or Walmart.
Recharging Time : USB-based charging Approx. 4 Hrs(full charge),
Lithium Ion batteries charge must faster than NiCads, tend to hold a charge longer, work at full power until they suddenly and completely drop off (rather than the slow run-down of NiCads), and do not from "dendrites" internally over time, as NiCads do, which is the end of their life.