In ordered to be considered science, something must be

A) testable & obvious

B) believable & trust worthy

C) testable & observable

D) functional & observable

Why is it unlikely to find pure alkali metals in nature?

Zn is less active than mg write the equations decribing what occurs when you mix, zn with o. 5 m magnesium chloride, mgcl2 if no reaction occurs write n. r

Which of the following is an example of chemical weathering? A. Frost wedging B, Animal activity C. Plant growth D. Acid rain

Which describes the volume of 1 mol of gas at standard temperature and pressure? A: The volume is greater for a larger mass of gas. B: The volume is the same for any gas. C: The volume depends on the size of the container.

Does saccharin have a covalent or ionic bond?

Why can xenon expand its octet to form compounds but neon can't

What do we call the group of organisms that share the same characteristics?

Oblicz masę azotu w pustym pomieszczeniu o wymiarach podanych na ilustracji gęstość azotu w temperaturze pokojowej wynosi 1,15kg m3 3m, 2,5m, 4m

What is the molarity of a solution that contains 0.400 mol HCl in 9.79 l solution? A. 0.0133 M B. 0.0409 M C. 0.959 M D. 5.67 M

What is the voltage of a galvanic cell made with magnesium and gold