The representative elements are also called the Group A elements.
Consider this representative element: Al found in Group IIIA. What
charge will this element, Al, acquire when it becomes an ion?

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

Acar travels 40m in 8 seconds find the car speed