Which is true about relative dating? Potassium –Argon dating is used on very old rocks and minerals.

Carbon-14 dating is used on rocks and minerals that are relatively young

Relative dating uses the half-life of isotopes to get the exact age of a rock or mineral

The law of superposition is used to determine a rocks relative age.

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)

Percent ionization for a weak acid (ha) is determined by the following formula: percent ionization=[ha] ionized[ha] initial×100%for strong acids, ionization is nearly complete (100%) at most concentrations. however, for weak acids, the percent ionization changes significantly with concentration. the more diluted the acid is, the greater percent ionization.a certain weak acid, ha, has a ka value of 9.4×10? 7.part acalculate the percent ionization of ha in a 0.10 m solution.part bcalculate the percent ionization of ha in a 0.010 m solution