How do atoms become cations and anions? Please use specific examples in your explanation.

Cations are ions with a net positive charge.

Cation Examples:

Silver: Ag+

Hydronium: H3O+

Ammonium: NH4+

Anions are ions with a net negative charge.

Anion Examples:

Hydroxide anion: OH-

Oxide anion: O2-

Sulfate anion: SO42-

Explanation:

Cations and anions are both ions. The difference between a cation and an anion is the net electrical charge of the ion.  Ions are atoms or molecules which have gained or lost one or more valence electrons, giving the ion a net positive or negative charge. If the chemical species has more protons than electrons, it carries a net positive charge. If there are more electrons than protons, the species has a negative charge. The number of neutrons determines the isotope of an element but does not affect the electrical charge.

the ideal gas law equation is as follows

pv = nrt

where p - pressure

v - volume

n - number of moles

r - universal gas constant

t - temperature

so if the pressure, volume and temperature are already known

we are left with n and r

since r is the universal gas constant that has a known fixed value then r too is known

so we are left with 'n'

once we know temperature volume and pressure

we can find the number of moles of gas present using the ideal gas law equation

this is not my own answer, this is an answer for the same question by the user blahblahmali. i do not claim ownership of this account.

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error