Structure/Matter - Part 2 Test

Two basic properties of the gas phase are

• definite shape and definite volume

• definite shape but no definite volume

• no definite shape but a definite volume

• no definite shape and no definite volume

Which class of electrons best conducts electricity?

• Metals

• Nonmetals

• Semi-metals

• Noble gases

Which of the following is found farthest from the center of an atom?

• Nucleus

• Proton

• Neutron

• Electron

In the modern periodic table, the elements are arranged in order of increasing

• atomic number

• mass number

• oxidation number

• valence number

Which of the following represents a chemical reaction?

• a sugar cube dissolving in water

• ice cubes forming in a freezer

• ice cream melting in a bowl

• a cake baking in an oven

Within a substance, atoms that collide frequently and move independently of one another are most likely in a

• liquid

• solid

• gas

• crystal

Which terms are used to identify pure substances?

• an element and a mixture

• an element and a compound

• a solution and a mixture

• a solution and a compound

What is the smallest particle of the element gold (Au) that can still be classified as gold?

• atom

• molecule

• neutron

• proton

Alice is studying a substance. Which property of the substance is chemical?

• its density

• its temperature

• its melting point

• its flammability

Which element would have properties characteristic of both a metal and a nonmetal?

• Ag

• K

• Si

• Xe