8th Level - Midterm

If you had two different substances that looked exact the same, which property would you use to tell them apart?

vaporization that occurs at and below the surface of a liquid

how hot or cold something is; a measure of the average energy of motion of the particles of a substance

two or more substances that are together in the same place but their atoms are not chemically bonded.

a term used to describe the relationship between two variables whose products is constant.

a state of matter that has a definite shape and a definite volume.

symbols that show the elements in a compound and the ratio of atoms.

The atomic number indicates

which subatomic particle has the smallest mass

Reactivity, like burning, bubbling or fizzing is a

a solid that is made up of crystals in which particles are arranged in a regular, repeating pattern.

What type of relationship is Charles' Law?

elements that are good conductors, tend to be shiny and bendable. Majority of the table are these

the temperature at which a liquid boil

Which group is shown

anything that has mass and takes up space.

an element that lacks most of the properites of metals. Poor conductors, tend to be dull and brittle

a measure of the force of gravity acting on an object

digestion is the process of the human body breaking down food for nutrients, which is a

a reaction that absorbs energy

have some properties of metals and some of nonmetals. Solids at room temperature. Brittle, hard, and somewhat reactive

a liquid’s resistance to flowing

can be pulled out or drawn into long wires

a principle that describes the relationship between the pressure and volume of a gas at constant temperature.

What does Boyle's law relate to?

the change in state from a liquid to a gas

When the temperature of a gas in a nonflexible container increases

the total kinetic and potential energy of all the particles of an object

substances that can conduct electric current under some conditions but not under others.

the amount of space that matter occupies.

Which group is highlighted

In Charles' law, the pressure remains constant

a mixture of two or more elements, at least one of which is a metal.

a term used to describe the relationship between two variables whose graph is a straight line passing through the point.

any substance that can flow

a solid made up of particles that are not arranged in a regular pattern.

a state of matter with no definite shape or volume.

a change that alters the form or appearance of a material but does not make the material into another substance.

a form of potential energy that is stored in chemical bonds between atoms.

When a chemical change occurs

symbols that show the elements in a compound and the ratio of atoms.

the measure of how much mass of a substance is contained in a given volume.

combining two or more different atoms together

a measure of how much matter is in an object.

material can be hammered or rolled into flat sheets or other shapes.

a neutral group of two or more atoms held together by covalent bonds.

The letter S, is a ____ of sulfur

the study of the properties of matter and how matter changes.

The reactivity of metals tends to decrease as you move from left to right

Which group is shown

a system of units used by scientists to measure the properties of matter

The states of matter listed from most thermal energy to least

the most reactive metals in the table, never found as uncombined elements in nature.

the basic particle from which all elements are made

a principle that describes the relationship between the temperature and volume of a gas at constant pressure.

a change in which one or more substances combine or break apart to form new substances.

The vertical columns in the periodic table

a single kind of matter that is pure and has a specific set of properties.

Which group is shown

a number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound.

a characteristic of a pure substance that can be observed without changing it into another substance.

harder and denser, melt at higher temperatures than the alkali metals

As you add thermal energy to a substance, the particles within the substance

the change in state from a solid to a liquid

What is the SI unit for mass

Which group is shown

The modern periodic table of elements is arranged by

Elements that follow uranium. Are made or synthesized, when nuclear particles are forced to crash into one another

a solid in which the atoms are arranged in a pattern that repeats again and again.

the result of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together

If you drop a bowling ball in to a swimming pool, the ball will sink because its ___ is greater.

the force pushing on a surface divided by the area of the surface.

What causes pressure?

a substance made of two or more elements chemically combined in a specific ratio, or proportion.

a reaction that releases energy, usually in the form of heat.

Which group of the periodic table is composed of inert gases?

made up of two atoms - N₂

the process by which molecules at the surface of a liquid absorb enough energy to change to a gas.

a characteristic of a substance that describes its ability to change into different substances.

the electrons that are in the highest energy level of an atom and that are involved in chemical bonding.

a pure substance that cannot be broken down into other substances by chemical or physical means.

the temperature at which a substance changes from a solid to a liquid.

the change in state from a liquid to a solid.

a state of matter that has no definite shape but has a definite volume.

the change in state from a gas to a liquid

the principle that the total amount of matter is neither created nor destroyed during any chemical or physical change.

the change in state from a solid directly to a gas without passing through the liquid state.

elements in a ____ have similar chemical properties