When an ion with a charge of + 2 gains two electrons, it no longer is an ion.

True

False

At standard pressure, which substance becomes less soluble in water as temperature increases 10 degrees Celsius to 80 degrees Celsius

Which carbonate is most stable to heat? A. Sodium carbonate B. Copper (ii) carbonate C. Zinc carbonate

Which statement correctly describes measuring with a graduated cylinder?

The atomic masses of any two elements contain the same number of

What would you multiply "moles of oxygen" by to get the units "grams of oxygen"?

Which is a cause of desertification? A. farming B. creating reservoirs C. overgrazing D. driving motor vehicles

What happens when the threat of exposure to dirty air is reduced in a community? There is enough oxygen available for people's lungs to function normally The amount of indoor air pollutants released during a fossil fuel burn decreases There is a

Is chicken noodle soup an element, a compound, a homogeneous mixture, or a heterogeneous mixture?

How is the amount of sunlight affect the makeup of an ecosystem

How many moles are in 65 g of carbon dioxide (CO2) ?