What does br and hg stand for on the periodic table?

in science we're doing stuff to do with the periodic table.. atoms, electrons, neutrons and also stuff like making some formu...

Historical date:-->1.8 mya what does mya stand for..? ---genus homo in the middle east...I know a.d stands for anno domini in...

2.Name as many of the alkali metals, halgoensand noble gasses as you can and list them with theirsymbols 3.How many protons ...

not symbols used in alchemy, but a symbol which stands for "alchemy"

Just a question to get your brain flowing.. Can anyone tell me what pV=k stand for??

I know what D.N.A is but I have NO idea what it stands for. Thank you.

I need to know how the jurassic period ended, does anybody know? If I can get it a.s.a.p. That would be great! Thanks<3!

Which principle lets us predict the behavior of an element based on its position of the periodic table?

I need to know how the JURASSIC period ended. (It'snot a metior hit Earth)

why does a person's pulse rate increase when they stand up frm sitting? please help if you can its for my biology SBA