Which substance can be decomposed by chemical means?

(1) tungsten (3) krypton

(2) antimony (4) methane

The force produced by the pull of the earth's gravity on an object is called what?

Assuming the density of 3% h2o2 is 1.00g/ml, what mass of h2o2 is in a 1.00ml sample? how many moles is this?

How are sucrose (table sugar) and the starch in flour chemically related? what makes them different from each other?

The Venus flytrap is a plant that lives in wetland ecosystems that do not have nitrogen-rich soils. To make up for the lack of nitrogen in the soil, this species captures insects and digests them to obtain the nitrogen it needs.

A scientist hypothesizes that fertilizer containing 10 percent nitrogen will produce tomato plants with more leaves and blossoms than fertilizer containing 15 percent nitrogen. What is the independent variable?

What element must combine with the metal for oxidation to take place?

Which of the following explain the variations in solubility for methane, ethane, and ethylene?

Describe how birds and reptiles both reproduce. describe two ways that birds and reptiles differ. use two particular animals as example in your description

Substances that are likely to disassociate in water

An atom has 10 protons, ten neurons and ten electrons. What is the mass of that atom in u unit?