Which of the following words correctly describes CO2? Select all that apply

A. Its a substance

b its a compound

c its a element

D its a mixture

What is the most appropriate type of graph to use to compare the masses of eight planets? a. a line graph b. a circle graph c. a proportion graph d. a bar graph

The metric unit for length that is closest to the diameter of a pencil is the a. micrometer b. millimeter c. centimeter d. decimeter

In which of the following are the symbol and name for the ion given correctly A. NH4+: ammonia; H+: hydride B. C2H3O2-: acetate; C2O4-: oxalite C. OH-: hydroxide; O2-: oxide D. PO3 3-: phosphate; PO4 3-: phosphite

Which is a characteristic of a weak electrolyte? It does not dissociate or ionize in water. It partially dissociates or ionizes in water. It does not conduct electricity. It easily conducts electricity. O

Which is the following statement that describe an organism that produce offspring

What is the difference between a root word and a combining form? List 2 examples of combining form

What is the octet rule and how does it explain the formation of ionic compounds?

Can somebody explain step by step how to solve decomposition reactions?

Which of the following statements are correct about the chemical reaction? H2 + O2 - > H2O2 versus 2 H2 + O2 - > 2 H2O? They are both balanced chemical equations. The two reactions are equivalent. The laws of thermodynamics apply to both.

What do chemists use to describe a chemical reaction