Which is bigger km, m, cm, mm

Jessica has 12.7 moles of a compound for an experiment. How many particles of the compound does she have? A. 2.11 * 1023 B. 4.74 * 1023 C. 7.65 * 1023 D. 4.74 * 1024 E. 7.65 * 1024

Scientists predicted Adamantium would have an Atomic radius of 327 pm. Once the element was measured experimentally, they found that the atomic radius was really 312 pm. Calculate the percent error of their prediction

How is electronegative related to covalent bonding?

Which type of substance is graphene? A-atom B - molecule C-compound Will mark brainliest

what is the pressure of oxygen gas that is collected over water at 25 degrees celcius at an atmostpheric pressure of 800 mmKg?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda