This is a characteristic of the elements in the periodic table that shows a pattern. It may increase or decrease across or down the table.

Shiny metallic solid unreactive good electrical conduct ductile density 10.5

What is the best example of a cyclic event? 1) the impact of a meterorite near Albany 2) an earthquake in the Tug Hill Plateau 3) the appearance of Hailey's Comet over New York City 4) the radioactive decay of potassium-40 in the bedrock of Mt.

How are a mold and cast related?

Which of the following must be the same in atoms of the same element? (Ex: all atoms of silver) A. number of protons B. atomic number C. atomic mass D. number of neutrons E. number of electrons F. charge

Which describes John Dalton's observations of elements in any given compound? Their masses are always equal. Each element always contributes the same number of atoms. Atoms of different elements always combine in the same way.

Which of the following organs are found in the circulatory system? * A.) Heart B.) Veins C.) Arteries D.) Capillaries E.) All of the above

What's the difference between volcano and vent

A marshmallow has an initial volume of 0.084 L at standard pressure (1.0 atm). If the marshmallow is placed in a vacuum chamber and the final volume is 0.785L, what is the pressure inside the chamber?

Can you think of another example of energy doing work fill out the table below with your idea

Write the net ionic equation for the reaction between agno3 (aq) and na2so4 (aq). be sure to include states of matter in your answer.