The nucleus of an atom consists of

a. neutrons and electrons.

b. neutrons alone.

c. protons and neutrons.

d. protons and electrons.

To make its second-highest energy level be its valence energy level (being filled with an octet of electrons) and possess a more stable electronic arrangement, a strontium atom could form an ionic bond with two oxygen atoms.

What happen when a mixture of sand and ammonium chloride is heated?

What was a Parthian battery?

A racing car travels 340 miles in 120 minutes. what speed is traveling at?

Hydrogen cyanide (HCN) is an important industrial chemical. It is produced from methane (CH4), ammonia, and molecular oxygen. The reaction also produces water. Balance the equation for this reaction.

A reaction has a standard free-energy change of - 10.90 kj mol-1 (-2.605 kcal mol-1). Calculate the equilibrium constant for the reaction at 25 °c.

How do living systems control the movement of materials into and out of the cells

Select all that apply. Select all the items that are public goods or services. roads education military police force

Write the balanced equation of aluminium + copper chloride and ammonium chloride + copper

Explain in terms of bonding why the hydrocarbon 2-methylpropane is saturated