Which reaction below represents the second ionization of sr?

a. sr (g) → sr⁺ (g) + e⁻

b. sr2⁺ (g) + e⁻ → sr⁺ (g)

c. sr⁺ (g) + e⁻ → sr (g)

d. sr⁻ (g) + e⁻ → sr2⁻ (g)

e. sr⁺ (g) → sr2⁺ (g) + e⁻?

Covalent bonds are formed in order to:

Which type of bond would form between aluminum and iodine

A solution in which water is the solvent is called a aqueous or saturated solution?

How many moles of hydrogen gas are produced from 2.35mol of water? 2K (s) + 2H2O (1) ► 2KOH (aq) + H2 (8)

Which of the following groups contain 3 elements with stable electron configuration a. xenon, neon, boron b. calcium, krypton, argon c. helium, xenon, carbon d. argon, neon, xenon

Match the following items. 1. balance observation using "how much". 2. graduated cylinder primary unit of mass. 3. hypothesis proposed explanation. 4. L unit of volume. 5. quantitative instrument of volume. 6. kg instrument of mass. 7.

Which is the best description of a scientific theory? a. a statement about how two different variables are related b. a collection of laws that are explained the same way c. an explanation of many observations and tested hypotheses d.

How would the electrons produced in a cathode ray tube filled with neon compare with the electrons produced in a cathode ray tube filled with chlorine gas?

Energy released from cell respiration is know as

What is a neutral atoms oxidation number