What are the characteristics of a compound with a polyatomic ion?

Group of answer choices

An ionic ion covalently bonded with a metal

A covalent ion bonded ionically with a metal

A binary compound

None of these

Why are eggs and milk products considered to be meet alternatives

The value of the gravitational acceleration g decreases with elevation from 9.807 m/s2 at sea level to 9.757 m/s2 at an altitude of 13,000 m, where large passenger planes cruise.

A 6.53!1014 Hz electromagnetic wave propagates in carbon tetrachloride with a speed of 2) 2.05!108 m/s. The wavelength of the wave in vacuum is closest to: A) 413 nm B) 368 nm C) 505 nm D) 459 nm E) 314 nm

When a cup of water is dropped, as the cup falls, does the water in the cup stay in the cup?

Water waves are caused by wind, which is caused by the sun

given that a car's distance from a stop sign t seconds since it started moving is represented by d=t2-2t determine the car's average speed over each interval of elapsed time

A ball hits a wall. What is true about the magnitude of the force experienced by the ball compared with the force experienced by the wall? OA. The ball experiences more force than the wall. OB. The ball experiences less force than the wall.

A swimmer jumps from a waterfall thats is 8.5 m high from the lake below. How fast must he run horizontally to dive 2.5m away from the base of the waterfall?

What happens (as far as energy goes) when a molecule of gas strikes the wall of a container?

The boom of a fire truck raises a fireman (and his equipment - total weight 280 lbf) 60 ft into the air to fight a building fire.