The symbol for one of the elements is derived from its German name,

wolfram. What is the English name for this element?

Which of the following is a hereditary disease? Huntington's disease Influenza Lyme disease Strep throat

Which term describes atoms with different atomic masses due to varying numbers of neutrons?

What would you use if you needed to determine the density of an object?

Why is the melting of ice not a chemical change?

If nitrogen and hydrogen combine in a synthesis reaction, what would the product of the reaction be?

The ionic naming rules

What is the PH of a solution whose [H+] is 0.0007

What was concluded about the structure of the atom as the result of the gold foil experiment? (1) A positively charged nucleus is surrounded by positively charged particles. (2) A positively charged nucleus is surrounded by mostly empty space.

Andre is predicting the products of chemical reactions. In one reaction, a hydrocarbon is the only reactant. What is the best prediction and explanation of this reaction? Two new compounds form as the hydrocarbon undergoes a synthesis reaction.

What evidence is there that electrons move around in definite pathways around the nucleus? What evidence is there that electrons m