Explain how one isotope of an element differs from another

Which element would you think is the best conductor of electricity? A. zinc (Zn) B. argon (Ar) C. silicon (Si) D. hydrogen (H)

What is the percentage of aluminum in aluminum sulfate, Al2 (SO4) 3

What is true about energy? Energy cannot be created during an ordinary chemical reaction. Energy is used up during an explosion. There is more energy after a chemical reaction than before the reaction.

Do falling dominoes form a wave?

Explain what it means by a balanced chemical equation

What is the pH of a solution with [H+] = 7.0 x 10^-2?

A compound is a pure substance made of 2 or more types of elements that are chemically bonded True or false

In a chemical reaction, 300 grams of reactants are combined with 100 grams of reactant b. both a and b react to completion. how much will the product weigh

If log x = - 0.761. What does x equal

Can humans can live without using natural resources.