CsF que elemento es A) hidruro
B) hidrácidos
C) sales binarias,
D) óxidos metálicos
E) óxidos no metálicos.

Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease

22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

The radius of an atom is closest in size to a