Which element is an example of a metalloid? A) gold B) helium C) iron D) silicon

Why is asexual reproduction simpler in prokaryotes?

What is the volume correction according to the van der Waals equation? A: Vn - b B: Vn + b C: V + nb D: V - nb E: Vb - n

Circle the chemical formula that is a simple sugar called sucrose. Explain how you know this C H O 12 22 11 C N NO 6 5 2

In the Ohm's law formula, the letter E stands for a. amperage. b. voltage. c. resistance. d. current.

Which statement is true regarding main group families of the periodic table? A) Argon is a noble gas that gains 1 electron to become an anion to become stable. B) Flourine is a chalcogen that gains 1 electron to become an anion to become stable.

Which best describes a spontaneous process as it relates to the second law of thermodynamics? It destroys heat. It requires work. It creates energy. It occurs naturally.

What mass (in mg) does 2.63moles of nickel have?

What does the energy hill represent on an energy diagram? A. The potential energy gained by the products when a reaction happens B. The final amount of potential energy of the products of the reaction C.

Compared to the ideal angle, you would expect the actual angle between the bromine-oxygen bonds to be

Iron is an important element in human body cells. If iron has an atomic number of 26, what does this tell you about this element?