What are valence electrons used for by an element?

Which temperature scale does NOT have negative values? Fahrenheit temperature scale. None of the temperature scales has negative values. Kelvin temperature scale. All of the temperature scales have negative values. Celsius temperature scale.

One way to produce a beam of polarized light with intensity i and polarization angle θ would be to pass unpolarized light with intensity i0 through a polarizer whose transmission axis is oriented such that θta=θ.

What is the solution in the scientific process called? A. Research B. Hypothesis C. Conclusion D. Data

Myron was trying to light a match the first time he struck the match the match did not light the second time he tried the match lit successfully which most likely occurred to make the match light

An object of mass 40 kg is raised to a height of 5 m above the ground. what isnits potential energy? if the abject is allowed to fall, find its kinetic energy when itbis half way down (g=10m/s)

A physics book slides off a horizontal tabletop with a speed of 3.90 m/s. It strikes the floor in 0.350 s. Ignore air resistance. Find the height of the tabletop above the floor.

A guitar string 66 cm long vibrates with a standing wave that has two antinodes. 1. Which harmonic is this 2. what is the wavelength

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω, XL = 100 Ω, XC = 36 Ω, and Z = 80 Ω. What is the voltage drop across the capacitor?

You are on an elevator that is plummeting toward the ground at 30 m/s and you jump up right before it hits the ground. you jump upward with a velocity of 5 m/s. at what speed do you hit the ground?

An electric vehicle starts from rest and accelerates at a rate of 2.4 m/s2 in a straight line until it reaches a speed of 27 m/s. The vehicle then slows at a constant rate of 1.3 m/s2 until it stops.