How do you write Group 7 halogens as chemical formulas?

Anyone know what the chemical contents of Kalachuchi leaves are???

I was wondering if anyone could help me. I'm doing a project on oxygen and I am having trouble finding out the answer to find...

Can you guy give me a cuple Polyatomic Ion Formulas?

how can we recognize physical and chemical changes (for science lab please help!)

ii have no idea what do too .! what is the scientific method? what are the steps? and how would I write an experiment using i...

What are the chemical equations for burning fossil fuels in power stations, e.g. coal. ?

what are the properties of physical and chemical changes individually

Can anyone show me how to re-arrange this physics formulae? s=ut+½at² I want 't' as the subject of the formulae. Cheers.

Why does chemical weathering occur more quickly in a hot climate? Can anoybody help me out here im trying to do my homework a...

you mix 2 substances in a beaker and expect them to undergo a chemical change. the temperature of the mixture does not change...