Which is a property that mendeleev predicted for gallium

A. It is a metal

B. It is a nonmental

C. It is highly reactive

D. It is a gas

An echocardiogram uses 4.4 mhz ultrasound to measure blood flow in the aorta. the blood is moving away from the probe at 1.5 m/s.

1. How do populations of invasive species continue to grow, and disrupt ecosystems? 2. What are natural factors that can cause the introduction of invasive species?

What is a physical property that shows how strongly the particles of a substance are held together?

1) A sound wave with a frequency of 300 hertz is traveling through a medium at a speed of 320 meters/second. What is its wavelength? 2) A sound wave has a wavelength of 0.450 meters.

A 0.5 kg ball is at the top of a ramp which is 8 meters high. How much Vinetic energy does the ball have at the bottom of the ramp? (round the answer to the tenths place)

What is the electrostatic constant?

Solve problem. Be sure to show your work and give a final answer with units rounded to the correct number of significant figures. 1) A wagon with a weight of 136 N is moved 19 m from its original location.

If the truck has a mass of 2000kg, what is its momentum v=35m/s

In an inelastic collision involving an isolated system, the final total momentum isA) more than the initial momentum. B) exactly the same as the initial momentum. C) less than the initial momentum.

Why is fluorine special in terms of electronegativity?