Why do metals "give up" their valence electrons?

Background noise affects hearing tests. In the ticking watch test, what type of result, in terms of auditory sensitivity, would you have recorded if moderate background noise were present?

A dwarf planet is a 1. small, rocky object that orbits the Sun and is usually found in a belt between the orbits of Mars and Jupiter. 2. small object made of ice and dust that orbits the Sun and forms a coma as it approaches the Sun. 3.

1. Calculate the weight of a watermelon with a mass of 2 kg on the earth (g = 9.80 m/s2) and on the moon (g = 1.63 m/s2). Use this example to describe the differences between mass and weight and how mass and weight are related. 2.

A varying force is given by F=Ae ^-kx, where x is the position; A and I are constants that have units of N and m^-1, respectively. What is the work done when x goes from 0.10 m to infinity?

Ice caps at the north and south poles are very reflective the ice reflects light and heat rather than absorbing it.

Design an experiment (Fair Test) to find out what would be a good insulator for a dog house.

Which of these changes does a submarine encounter as it returns from the bottom of the ocean to the surface of the ocean? a. the amount of sunlight increases. b. the water temperature decreases. c. the amount of plants decreases. d.

Why do some elements have symbols that don't use letters in the element's name?

How many (whole number of) 91 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton? A metric ton is 1.000 * 103 kg. Answer in units of people.

What are the two types of surface waves? How are they different and which one would cause more damage? Explain.