How many moles are in 28.7 g of cobalt

Flourine has electron affinity less than that of chlourine why? Confussion is if electrons in flourine are tightly packed means it has high density then when electron is added in it its remainig electron should repel it so more energy will b release

Decide which element probably formed a compound with hydrogen that has a chemical formula most and least similar to the chemical formula of the compound formed by hydrogen and nitrogen

Why can't we breathe in pure oxygen for long

Explain why unboiled water can be used to prepare an acetic acid solution, but not a naoh solution?

How many moles of FeO are produced if 8 moles of CuFeS, are consumed?

What substance is not a compound

Consider the following exothermic reaction and predict how the change below will affect the concentration (increase, decrease, stay the same) of each component in the system as the equilibrium is reestablished.

How does the electron structure of atoms change when they form chemical bonds

What is the scientific notation for 1073

What is the force that opposes the sliding motion of two touching surfaces?