A halogen is example of a (n)

a. nonmetal.

b. alkali metal.

c. transition metal.

d. alkaline-earth metal.

Why dosn't the density of an object change when you adjust the volume and mass?

Why are the atomic masses of elements usually decimal numbers?

An electrician cuts a 10-meter-long copper wire having a density of 8.9 g/cm3 into 10 equal parts. What is the density of each small part? One-tenth of 8.9 g/cm3 since density is an intensive property One-tenth of 8.

When would a life scientist study a nonliving thing such as a rock or lake

Based on atomic number, in which group on the periodic table would element 118 be placed?

Which terms most precisely describes the cellular process of breaking down large molecules into smaller ones?

A gas in a rigid container is heated so that it's kelvin temperature doubles. What happens to its pressure

Common cause of biological contamination

Whcih kind if material would best accomplish this task

List at least two chemical reactions that resulted in a yellow, orange, or red precipitate. For these reactions, list the possible chemical name of the precipitate.