The softest mineral in the Mohs hardness scale is?

The chemical reaction that breaks the bonds between chains of monomers is called?

Enter a balanced chemical equation for the combustion of gaseous methanol.

What can break down waste and dead organisms into nutrients? Select one: A. Producer B. Secondary Consumer C. Decomposer D. Tertiary consumer

Which of the following scientists discovered the election? A. J. J Thomson B. William Crooke C. James maxwells D. None of the above

An aspirin tablet contains 325 mg acetylsalicylic acid. How many acetylsalicylic acid molecules does it contain?

Sodium (NA) and potassium (K) are in the same group in the periodic table. Sodium is in the 11th position. How many valence electrons does potassium have? A) 0 B) 1 C) 9 D) 11

Which of the following is not caused by the moon? a. moonrise b. tides c. eclipses d. sunrise

Approximately how many mineral species have scientists identified? 250 5000 1500 60

A compound is 53.31 % C, 11.18 % H, and 35.51 % O by mass. What is its empirical formula? Insert subscripts as needed.

What is the element Ar classified as in the periodic table?