In what unit do we usually measure the force of the earth gravity? Acceleration due to gravity is 9.8/s^2

Why the element in periodic table which have more than three electron valens must plus ten in order to know the group in periodic table?

What is the molar mass of Fe (OH) 3

If 638.44g CuSO4 reacts with 240.0g NaOH, which is the limiting reactant?

Explain how a photosystem converts light energy to chemical energy steps

How many protons are in an element with an atomic number of 8 and a mass number of 16? its a written question not choices

Name the feature of the ocean floor shown at A and describe how it's formed.

A certain element consists of two stable isotopes. The first has a mass of 62.9 amu and a percent natural abundance of 69.1 %. The second has a mass of 64.9 amu and a percent natural abundance of 30.9 %. What is the atomic weight of the element?

Nonmetals rarely lose electrons in chemical reactions because?

What is the mass of carbon in 500. g of octane?

Which of the following is true about the relationship between the energy gap (∆E) between the spin states for a 1H nucleus and the strength of the external magnetic field?