If i have about 68.2 grams of H2S, how many moles do i have?

Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw

Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg