Nitrogen is a group 15 element. What does being in this group imply about the structure of the nitrogen atom?

A. Nitrogen has 15 valence electrons.

B.

Nitrogen has 15 neutrons.

C.

Nitrogen has 5 valence electrons.

D.

Nitrogen has 5 neutrons.

What is the name of pb3p2?

What happens to the sun's energy when it hits clouds, ice, and snow? It is mostly reflected. O It is all absorbed. It dissipates. It transfers heat by conduction.

Which statement about the law of conser- vation of mass is NOT true? A) The mass of reactants must equal the mass of products. B) All the atoms on the reactant side of an equation are also on the product side.

For the reaction C2H5OH + O2 - - > 3CO2 + 3H2O delta H = - 2434 kJ/mol. Is this an exothermic or endothermic reaction?

Ammonia is created in the Haber process in a rigid container (nitrogen gas plus hydrogen gas react to form ammonia gas). 10 moles of hydrogen gas are mixed with 5 moles of nitrogen gas. The initial pressure exerted on the container is 10 atm.

Which laws can be combined to form the ideal gas law? Boyle's law and Charles's law Gay-Lussac's law and Avogadro's law Charles's law, Avogadro's law, and Boyle's law Dalton's law, Gay-Lussac's law, and Avogadro's law

What determines the horizontal arrangement of the periodic table?

A 55.3 g sample of lead heated and then quenched in a 175g sample of water. During the quenching reaction the temperature of the water increases from room temperature, 25.0 °C, to 42.6 °C.

What conclusion can you draw from this experiment about the components of the black ink

How does the size of ions affect the conductivity of a solution?