What is magnesium ribbon physical state at 25 degrees Celsius?

Isotopes exist because atoms of the same element can have different numbers of

Why are alkaline earth metals and alkali metals found in nature by themselves?

The most concentrated solution from among those listed is: A. 150 mL 0.18M NaOH. B. 75 mL 0.23M KNO3. C. 200 mL 0.15M NaNO3. D. 100 mL 0.25M KCl.

Name the four bases found in a DNA molecule

A cube of gold-colored metal with a volume of 54 ml has a mass of 980 grams. the density of pure gold is 19.3g/ml. Is the metal pure gold? why?

For the reaction: 2H2O2 → 2H2 + 2O2, what is the total number of moles of O2 produced from the complete decomposition of 8 moles H2O2? A) 2 moles B) 4 moles C) 8 moles D) 16 moles

If you have 15 grams of water, how many molecules of water do you have?

What is the volume of an object with a mass of 220g and a desnisty of 55cm3?

What is the most accurate description of compounds?

H3PO4 conjugate base