Answer: 1.25 hours (75 minutes)
Explanation: 1 hour / 8 km • (10 km) = 1.25 hours
Explanation:
this is your answer hope it will help you
There are 18 Elements in the fifth period.
<span>When a
substance is heated, its atoms gain
energy and begin to vibrate rapidly within the lattice
of the substance (the substance expands). As more heating continues, the atoms
gain even more energy and move more rapidly until they are able to overcome the
force of the bonds, that hold the atoms together
in the lattice, until the structure is disrupted. </span>
Answer:
copper has 2+ ions in a sample of copper
