What are two main ways that minerals are classified

Eric carries out the same chemical reaction 10 times the maximum temperatures the reaction system attained is shown on the right The mean maximum temperature the system attained was

An element has an atomic number of 30. How many protons and electrons are in a neutral atom of the element? A. 30 protons, 30 electrons B. 15 protons, 15 electrons C. 60 protons, 30 electrons D. 30 protons, 0 electrons

Select all of the atoms which bear lone electron pairs. gray = c; white = h; red = o; blue = n; dark green = cl; brown = br; light green = f; purple = i; yellow = s; orange = p. double click to select atoms.

Is my answer right? Which of the following is a reasonable ground-state electron configuration? 1s22s22p43s2 1s21p62s22p6 1s22s22p63s23p64s24d10 1s22s22p63s23p64s23d5< - - - my answer, is this right?

5.080 x 1016 molecules of hydrogen to moles

What is the relationship between an atom and a molecule?

Cyclohexane, a commonly used organic solvent, is 85.6% c and 14.4% h by mass with a molar mass of 84.2 g/mol. what is its molecular formula?

On a molecular scale, what is the difference between and acid and a base?

What are some visible signs of an acid-base reaction?

Scientists believe that differences in __ cause her, plastic like rock in the asthenosphere to rise towards Earth's surface