Which is not a property of covalent
solids?
Obrittleness
O high melting point
high lattice energy

What is the temperature in degrees celsius of a substance with a tempature of 49k

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2.