How are fossil fuels formed? A. Volcanoes erupt, bringing up energy from underground. B. Plants and animals decompose underground. C. Fossils combust and release petroleum D. The sun sends energy to Earth.

Describe how the Meniscus is used to read the volume measurements on a graduated cylinder

What is the electron configuration of a chlorine ion in a compound of BeCl2? A. [2.8.7]- B. [2.8.8]- C. [2.8.8]+ D. 2.8.7

Using the following phase diagram, the area labeled A is in what phase? Solid Liquid Gas

Which is a diatomic molecule? Select one: a. CH4 b. H2O c. O2 d. N

Which element requires the least amount of energy to remove the outer-most electron from a gaseous atom in the ground state?

Is metalloid an insulator

What is a example of a population

Which of the following statements holds true for a chemical change? OA In a chemical change, no new substance is formed. B. In a chemical change, a substance changes its phase. oc. In a chemical change, the molecular structure of a substance changes.

What is the name of the branch of science that specifically studies the conversion of chemical energy to electrical energy and vice versa? biochemistry electrochemistry organic chemistry thermodynamics

What is the symbol for heat