What are some physical characteristics of the Sun?

The race car sped into the turn as it went around the track. A). acceleration B). velocity C). speed

The nucleus of some isotopes will spontaneously undergo nuclear decay. These isotopes are said to be radioactive. What causes the nucleus of an isotope to be radioactive? a. too many electrons in its orbitals b. exposure to toxic chemicals c.

What is the nuclear charge in an atom of boron

How did atomists describe fire?

According to Dalton's atomic theory, elements are composed of tiny particles called ___. Atoms of each element are ___ from the Atoms of all other elements. Atoms of different elements can form ___ by combining in whole-number rations.

If you wanted to study the science of describing, naming, and classifying organisms, what would you study?

The specific heat of silver is 0.234 j / (g·c). calculate the amount of energy that is needed to raise the temperature of 175 g of silver from 22.5°c to 40.0°c.

Gypsum is hydrated calcium sulfate. a 4.89 g sample of this hydrate was heated. after the water was removed, 3.87 g anhydrous calcium sulfate remained. determine the formula of this hydrate and name the compound.

A chemical reaction produces CO2 (g). If 44 g is produced at 1.0 atm and 25°C, what volume will the gas occupy? (Assume that CO2 behaves as an ideal gas under these conditions.

What is the smallest carbohydrate called?