How do you know what atoms are convalant or ionic

How do hormones affect the body

What are the properties of elements related to? A) the number of electrons that fill the outer shell B) an element's symbol C) the total number of electrons D) the average atomic mass

What is the ph value of water and salt?

A gas is confined in a steel tank with a volume og 6.982L at 20.20c the gas exerts a pressure of 8.532 atm. after heating the tank the pressure of gas increases to 10.406atm. what is the temperature of the heated gas convert celsius temp to kelvins

Which of these substances is not an element? a. water b. hydrogen c. aluminum d. iron

In which choice is the ellipsis used correctly to select from this sentence from The Scarlet Letter? A throng of bearded men, in sad-coloured garments and grey steeple-crowned hats, inter-mixed with women, some wearing hoods, and others bareheaded,

Explain the difference between the greenhouse effect and global warming.

How does adding salt affect the surface tension of water? if it increases surface tension, will it always increase it?

Which usually has a higher temperature? A city or the areas around the city?

Toluene and pyridine form ideal solutions. Consider a solution of toluene and pyridine prepared at 25°C. Assuming that the mole fractions of toluene and pyridine in the vapor phase are equal, calculate the composition of the solution.