What does CaCO3 represent?

A chemical reaction.

A chemical subscript.

A chemical formula.

A chemical symbol.

Your BAC level depends on

Element A has an electronegativity of 0.8 and element B has an electronegativity of 3.0. Which statement best describes the bonding in A3B? A) The AB bond is largely covalent with a on A. B) The AB bond is largely covalent with a δ + on A.

The atom diagnostically associated with organic compounds is

A metal cylinder has a mass of 128g. When the cylinder is submerged into water, it displaces 424ml of water. Calculate the specific gravity

Steve works at a gas station in an urban area. He is constantly exposed to particulate material emitted from vehicles. For this reason, Steve is likely to suffer from which of these? A. asthma B. obesity C. diabetes D. hearing defect

How many moles of a gas will occupy 2.50L at STP

Which has more kinetic energy, a small sports car traveling at 30 km/hr or a large tractor-trailer traveling at 75 km/hr?

A Lay's potato chip weighing 4.03g is put into a bomb calorimeter containing 895.5g of water at 25.10°C. If this increases the temperature of the surrounding water to 48.89°C, what is the amount of calories per serving if 1 serving = 28.38g.

Which element is the least metallic between cadmium, silver, zinc, or iron?

Describe the motion of molecules in an ice cube an in a radiator in winter