How many different sublevels are in the first energy level?

A) 1

B) 4

C) 3

D) 2

How many grams are in 0.5 mols of Zn

The width of a football field is 160 ft. How many meters is this?

A 9.0 milliliter sample of hcl solution is exactly neutralized by 6.0 milliliters of a 3.0 m naoh solution. what is the concentration of the hcl solution

Which of the following rules would apply to the naming of AgNO3? A. Metal + polyatomic anion B. Metal cation + nonmetal anion (-ide) C. Metal cation + (roman numeral valence) + nonmetal anion (-ide) D. Polyatomic cation + nonmetal anion (-ide)

What is this temperature in degree celsius of 77.2k

Which combination of protons neutrons and electrons is correct for the isotope of copper - 63?

What is the purpose of a domain?

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.