What occurs when an atom loses an electron?
(1) the atom’s radius decreases and the atom becomes a negative ion.
(2) the atom’s radius decreases and the atom becomes a positive ion.
(3) the atom’s radius increases and the atom becomes a negative ion.
(4) the atom’s radius increases and the atom becomes a positive ion.

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

How many moles of gas are present if p=11 atm, v=12l, t=185k?