The energy required to remove two valency electrons of a metallic atom is called? a. second ionization energy b. ionization energy. c. electron affinity. d. activation energy

How many molecules of nitrogen gas are in 22.4 L? A. 6.022 * 10^22 B. 6.022 * 10^23 C. 6.022 * 10^24 D. 6.022 * 10^25

How many moles are in 9.87 grams of H20?

If dynamite explodes what type of chemical reaction is it?

What would you notice about the dot diagram of an unstable element?

Lead oxide is formed when a lead cation that has a charge of 2 + combines with an oxygen anion that has a charge of 2-. Using the crisscross method, write the formula for lead oxide.

A team of researchers is investigating a new carbon-rich molecule important to life. They find evidence for the presence of both cis and trans isomers of the molecule in a mixture of near-pure molecules.

Which is one common use of neutron activation analysis?

Why would it be unwise to take a hot air balloon ride in the upper atmosphere? (The chapter is about Pressure)

When electricity flows through a wire which of the following appears? Question 6 options: Gravitational Field Magnetic Field

Which of the following is an appropriate food storage method