Are magnesium and calcium more reactive with oxygen in the air than aluminum?

When substances react chemically to create a new substance, will that new substance have the same physical and chemical properties as the initial substance? Explain your answer.

CuSO4 absorbs light strongly at a wavelength of 635 nm. Consider that you measure the initial intensity of light, Io, entering the solution at 635 nm, and the intensity of light passing through the solution, I, at 635 nm. Sample 1: 0.

Which feature of a wave can be calculated using the formula below? number of wavelengths / time wavelength speed frequency amplitude

How many copper atoms are in this amount of copper?

An astrophysicist working at an observatory is interested in finding clouds of hydrogen in the galaxy. Usually hydrogen is detected by looking for the Balmer series of spectral lines in the visible spectrum.

Select the answers below that represent the ionic compounds in this list: na2so4 h2so4 ch3-ch3 n2o4 cacl2 ca3 (po4) 2

What is a physical property of water? A) liquid at room temperature B) not flammable C) pH of 7 D) reacts with sodium

If 0.360 J of heat is added to 0.7402 g of water, how much will the temperature increase?

Which of the following are properties of mechanical waves?

Why LDL called "bad" cholesterol?