Complete the sentence.

Atoms form chemical bonds to satisfy the
rule and to become

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?