The equation 2nano3 + cacl2 --> 2nacl + ca(no3)2 is balanced. how many atoms of oxygen (o) are there on either side of the equation?
a.) four
b.) six
c.) two
d.) one

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size

Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions