What is the chemical name of SiF4? sulfur fluoride
silicon fluoride
sulfur tetrafluoride
silicon tetrafluoride

The chemical effect of the endocrine system is longer lasting than the chemical effect of the nervous system. select the best answer from the choices provided t f

In a system, when potential energy decreases, then entropy also decreases. true false

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v