In ordered to be considered science, something must be

A) testable & obvious

B) believable & trust worthy

C) testable & observable

D) functional & observable

Of the atoms listed below, which one will have at least one electron in its d orbital? A. Mg B. K C. S D. Cr E. none of the above

For an isoelectronic series of ions, the ion that is the smallest is always 1. the ion with the most electrons. 2. the ion with the fewest protons.

Why might a scientist repeat an experiment if she did not make a mistake in the first one?

Describe how the ocean affects the temperature of coastal areas in the summer and winter.

In the chemical laboratory, what does a mortar and pestle function as? ... a. to increase surface area of a solute ... b. to decrease surface area of a solute ... c. to increase temperature of a solute ... d. to decrease temperature of a solute

What word means the remains or imprint of once living organisms found in layer of rock

A balance chemical reaction obeys the law of

Calculate how many kilograms are in 4 moles of Na2CO3?

210.0 °C a gas has a volume of 8.00 L. What is the volume of this gas at - 23.0°C?

What is atomic mass, atomic number, isotopes and how are all these terms related to each other?