31 which notations represent different isotopes of the element sodium? (1) 32s and 34s (3) na+ and nao
(2) s2- and s6+ (4) 22na and 23na

How many moles does 80.0 h2o respresent

20 look at the clock and the data table below. based on the data and on your knowledge of potential and kinetic energy, what is the best conclusion you can make about potential and kinetic energy? the total amount of energy stays the same. the clock has the most potential energy at point b since it is moving the fastest. there is always more potential energy than kinetic energy. potential energy can never be 0, but you can have 0 kinetic energy.

An unknown substance was put in a container. the substance filled up the container from bottom up, taking half of the space in the container. what is most likely the state of matter of the substance? gas liquid plasma solid