A compound contains 14.5 g of magnesium and 3.5 g of oxygen. What is the mass percent of oxygen in the compound?

Write 4 testable questions that doesn't involve living animals?

When performing a flame test using the method described in the manual, you complete the flame test of KNO3 and find a yellow color instead of the expected purple color. Select the potential sources of error.

Is oxygen an element or a compound? Explain.

How many molecules are there in 2.23 moles of co2

Determine the number of particles in 1 mole of dust mites. a. 1.204 x 1024 particles b. 1.51 x 102 particles c. 3.01 x 1032 particles d. 6.022 x 1023 particles

What is atomic mass, atomic number, isotopes and how are all these terms related to each other?

Choose all of the statements that correctly describe the movement of particles when thermal energy is added or removed. A) The addition of thermal energy to a gas will increase the chance the particles will collide.

Which is a non renewable resource that is used to generate electrical energy

How many grams of sulfur (S8S8) must be dissolved in 100.0 g naphthalene (C10H8C10H8) to make a 0.11 mm solution

Mason compare the properties of two compounds magnesium oxide is an ionic compound and hydrogen peroxide is not an ionic compound there for both compounds most likely