Is there a relationship between an elements atomic number and its first ionization energy (IE) ?

A mothball, composed of naphthalene (C10H8), has a mass of 1.52g. How many naphthalene molecules does it contain?

What is the basic unit of energy? O A. The kilogram O B. The what O C. The joule O D. The amp

If a dead leaf fell to the ground, and left undisturbed, wjat would happen?

The section of the comprehensive annual financial report that presents tables and charts showing social and economic data in addition to financial trends, fiscal capacity, and operating information of the government is the: A. Introductory section.

What is the moons role in causing tides?

What is the ideal gas constant? A. It is a constant that applies only at STP. B. It is a specific constant for a particular gas. C. It is a universal constant used for all gases. D. It is a constant that depends on the conditions.

The greenhouse effect is a result of the Sun's energy being absorbed by objects on the Earth and converted into which type of radiation? A) Radio B) Visible C) Infrared D) Ultraviolet

Which was the limiting reactant: the zinc or the hydrochloric acid? Remember that the limiting reactant is completely consumed in a reaction and no new product is formed unless more of the limiting reactant is added.

How many moles are in 4,55 X 10^23 molecules of CO2 (rounded)

In standardization of NaOH solution, a student found that 25.55cm3 of base neutralized exactly 21.35cm3 of 0.12M HCl. Find the molarity of the NaOH.