What is an example of an atom

Which characteristic makes legumes a good food source for food-insecure populations? A) They are a source of starchy carbohydrates B) They are inexpensive to cultivate C) They are a source of fermented sugars D) They are bred over thousands of years

Convert 95.62 grams of Li2O to moles

Metallic compounds countain?

What number is most likely to be expressed in scientific notation

Measure the amount of space an object takes up

Describe a way that people might be able to solve each envioronmental problem listed below. coal mining can harm habitats and cause pollution.

A sample of methane gas occupies 4.50 gallons at a temperature of 80.0 F. If the pressure is held constant, what will be the volume of the gas at 100. degrees C?

Jack wants to know if it takes longer for warm water to freeze into ice cubes than cold water, so he performed the following experiment. Jack placed 50 mL of water in the refrigerator and allowed it to cool to a temperature of 4°C.

How to calculate average concentration

Suppose that you measure a pen to be 10.5 cm long. Convert this to meters.