Chapter 1
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| The basic particle of any element | adam
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| the force of attraction between two atoms | chemical bond
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| a group of 2 or more atoms held together by chemical bonds | molecule
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| a substance that cannot be broken down into any other substance | element
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| shows the elements and ratio of atoms in a compound | chemical formula
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| a substance made of two or more elements chemically combined in a set ratio | compound
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| 2 or more substances together in the same place but not chemically combined | mixture
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| Anything that has mass and volume | matter
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| 2 main categories of matter | sustance and mixture
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| all matter have both these types of properties that help describe how it looks and acts | chemical and physical
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| pure forms of matter can be subdivided into 2 groups | elements and compounds
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| What represents forms of matter with only 1 kind of atom | symbol
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| what represents the forms of matter with more then one kind of atom | molecule
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| What type of matter cannot be seperated with physical means | pure forms of matter
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| Matter that is physically combined and can be seperated into two types | hetergenous and homogenous
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| 4 types of separating processes | filtration, attraction, distillation and evaporation
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| the study of matter and how ti changes | Chemistry
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| A balloon filled with air does not rise as high as a balloon filled with helium. What does this tell you about density of helium? | Helium is less dense then air
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| The amount of matter in an object is a measure of its | mass
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| the formula for calculating density is | mass/volume
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| What statement about mass of an object is correct | mass remains constant
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| The SI unit of mass is | Cubic Meter3
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| One liter is equal to | 1000 millilters
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| An objects weight is less on the moon then on the earth. On the moon the objects mass | stays the same
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| Four measurable properties of matter are | mass, weight, volume and density
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| The SI unit of volume is | cubic meter (m3)
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| a molecule is the smallest part of | a substance
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| compounds are formed as a result of | chemical combination
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| a mixture of iron and sulfur can be seperated by | magnetic attraction
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| The ratio of hydrogen atoms to sulfur atoms in sulfuric acid H2SO4 | 2 to 1
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| the simplest type of subtance is | compound
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| the SI unit of mass | Kilogram (kg)
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| examples of compounds | water, ammonia, carbon dioxide
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| mixture that you can see the different parts and can be easily seperated out | heterogeneous
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| Example of hetergenous mixture | salad- tomatoe, lettuce, onions
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| A mixture where the sustances are so evenly mixed that you can't see the different parts | Homogenous mixture
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| exmaple of homogenous mixture | air
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| the physcial property that makes metal pots good for cooking | heat conductvity
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| which of the following is true about matter | it has mass and takes up space
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| which is not true about a pool of water and a piece of ice | they have different chemical properties
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| characteristcs used to descibe matter are called | physical properties
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| 3 states of matter | solid, liquid and gas
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| the metal tungsten used in incandescent light bulbs because of its porperty of | high melting point
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| the ability of iron to rust is a | chemical property
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| a single kind of matter that has a specific composition | substance
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| Another term for the ability to burn | flammibility
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| texture is a | physcial property
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| ability to react with othe rsubstances | chemical property
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| ability to conduct heat | physcial property
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| hardness is a | physical property
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| lack of ability to rust is a | chemical property
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| what is an example of a substance | table salt
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| which property of a substance can only be observed if the substance changes into a different substance | chemical property
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| The boiling point of a substance is what type of property | physcial property
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| what type of change occurs when energy is added or removed | phsical and chemical change
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| what type of change occurs if a new substance is produced | chemical change
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| A substance changes form, but it remians the same substance is what type of change | physical
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| Freezing water is what type of change | physical
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| The energy stored in the chemical bonds between atoms | chemical energy
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| a change in which enery is absorbed | endothermic change
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| a measrue of energy of motion of the particles of matter | temperature
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| the total energy of all the particles in an object | thermal energy
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| the fact tha tmatter is netiher created nor destoyed in any physical or chemical change | law of conservation of mass
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| a change in which energy is released | exothermic change
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| a change in matter that produces one or more new substances | chemical change
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| alters the form or appearance of matter but does not turn any substance in the matter into another substance | physical change
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| what are examples of physcial changes | glass breaking, ice melting, sugar dissolving
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| what is not a example of a physcial change | iron rusting
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| the energy stored in bonds between atoms is | chemical energy
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| Matter can be changed in 2 ways | chemically and physically
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| Examples of chemical changes | combustion, tarnishing, oxidation
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| What is the ability to do work or cause change | energy
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| Every chemical and physical change in matter includes a change in | energy
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| Like matter, energy is conserved in what type of change | chemical change
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| measure of how hot or cold something is | temperature
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| what is related to teh energy of motion of the particles of matter | temperature
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| what is the total energy of all the particles in an object | thermal energy
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| direction thermal energy flows from | warmer matter to cooler matter
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| the measure of the force of gravity on an object | weight
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| what varies with location within the solar system | weight
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| the amount of matter in an object | mass
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| What is constant and does not change with location | mass
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| the system used to measure the properties of matter | international system of units or SI
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| How many grams in a kilogram | 1000 grams
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| the amount of space matter occupies | volume
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| how many milliliters in a liter | 1000 millilters
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| Volume calculation | length X width X height
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| the measure of the mass of a material in a given volume | density
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| density measurement | g/cm3 or g/ml
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| density calcuation | mass / volume
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| Density is what type of property | physical property
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| what is a single kind of matter that is pure and has a specific set of properties | substance
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| a characteristic that belongs to a person or thing | property
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| tells you the relationship between 2 or more things | ratio
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| Examples of matter | air, plastic, metal, wood, glass, paper
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| the basic particle from which all elements are made | atom
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| when atoms combine they form what type of bond | chemical bond
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| the force of attraction between two atoms | chemical bond
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| a group of two or more atoms held together with chemical bonds | molecule
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| A substance made of two or more elements that are chemically combined in a set ratio | compound
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| what shows the elements in the compound and the ratio of atoms | chemical formula
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| chemical formula for carbon dioxide | CO2
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| what holds the hydrogen and oxygen atoms together in a water molecule | chemical bonds
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| 2 or more substances that are together in the same place, but their atoms are not chemically bond | mixture
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| disolving sugar in water is what type of change | physical change
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| What type of change is filtration and distillation | physical change
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| when matter is not created or destroyed in any chemical or physical change is called | the law of conservation of mass
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| the energy stored in the chemical bonds between atoms is a form of what type of energy | chemical
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| What type of energy do bears get from its food | chemical energy
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| example of chemical property | flammability
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| what is a substance | table salt because it is a pure matter
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| which is an element | oxygen
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| how can you prove dissolving table salt in water is a physical change | you can evporate the water and only the salt remains
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| the ability to dissolve in water and conduct electric current are examples of | physical properties
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| which 2 pieces of equipment what be most useful for measuring mass and volume | balance and metric ruler
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