The number of protons in an atom is equivalent to which of the following

A. atomic mass

B. Atomic charge

C. atomic symbol

D. atomic number

Round off the following measurement to three significant figures. 1.296 g

How to convert 1.2*10^24 atoms of magnesium into moles?

Identify the type of hybrid orbitals present and bond angles for a molecule with a tetrahedral shape

Aluminum oxide (Al2O3) is a widely used industrial abrasive (known as emery or corundum), for which the specific application depends on the hardness of the crystal.

The rate constant for a certain reaction is k = 6.50*10-3 s-1. If the initial reactant concentration was 0.600 M, what will the concentration be after 3.00 minutes?

Convert 4.992*1010 g to each of the following units. B. Mg c. mg D. metric tons

The ideal gas law shows us how a gas will behave under many conditions. The formula is: P V = n R T Where P = pressure, V = volume, n = amount of the substance, R = ideal gas constant, and T = temperature.

The Suns ultraviolent Rays can cause skin damage including sunburn and even skin

Peas contain 250 kJ per 100 g. You would use the equivalent of 600 g of peas if you slept for.

A sample of gas in a balloon has an initial temperature of 21 ∘C and a volume of 1310 L. If the temperature changes to 70 ∘C, and there is no change of pressure or amount of gas, what is the new volume, V2, of the gas?