chemistry Crossword Puzzles
Chemistry Crossword 2015-11-19
Across
- - Primary constituents of matter
- - Medieval forerunner of chemistry
- - Cloudy mixture; not easily separated
- - Stretch into a long wire
- - Organic catalyst
- - Cloudy Mixture; easily separated
- - Subatomic particle with a positive charge
- - Reactive; Non-metallic
- - Basic unit of a chemical element
- - Subatomic particle without a charge
- - Helps a reaction proceed faster
- - Reaction accompanied by the absorption of heat
- - Has mass and occupies space
- - Consisting of many atoms
Down
- - Intermediate properties between Metals and solid Non-metals
- - Oxygen reacts with a substance to form a new substance
- - Vertical Column
- - Composed of two or more elements
- - Directly from solid to gas
- - Undergoes change during a reaction
- - Horizontal row
- - Can be Pounded or rolled into sheets
- - Reaction accompanied by the release of heat
- - Subatomic particle with a negative charge
- - A minute portion of matter
25 Clues: - Horizontal row • - Vertical Column • - Organic catalyst • - Reactive; Non-metallic • - Stretch into a long wire • - Consisting of many atoms • - Directly from solid to gas • - A minute portion of matter • - Has mass and occupies space • - Primary constituents of matter • - Helps a reaction proceed faster • - Medieval forerunner of chemistry • - Composed of two or more elements • ...
chemistry crossword 2015-11-13
Across
- shiny, malleable, ductile element that conducts electricity.
- elements that has both metallic and nonmetallic properties.
- change that results when two or more substances react.
- group 2 elements in the periodic table; not including hydrogen; there reactivity is not as strong as alkaline metals.
- The smallest part of an element.
- group 18 elements in the periodic table; the most stable and unreactive material.
- pure substance that cannot be broken down into other substances.
- homogeneous mixture; mixture of two or more pure substances that looks like one substance.
- change in appearance or state of a substance that does not change composition.
- cloudy mixture in which tiny particles of one substance are held in another and can be separated.
- chemical combination of two or more elements in a specific ratio.
- positively charged particle in the nucleus of an atom.
- neutral particle in the nucleus of an atom.
- the point in temperature that an element starts to boil.
- the point in temperature that an element starts to melt.
Down
- combination of pure substances; unlike a compound.
- a substance that is made of only one kind of matter.
- heterogeneous mixture; mixture in which the different substances that make up the mixture are visible.
- mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu).
- orbit of electrons around the nucleus of an atom.
- number of protons in the nucleus of one atom of an element.
- a table in which the elements are organized by their physical and chemical properties.
- cloudy mixture in which tiny particles of one substance are held in another and cannot be separated
- invisible negatively charged particle that orbits the nucleus of an atom.
- dull,brittle element that does not conduct electricity.
25 Clues: The smallest part of an element. • neutral particle in the nucleus of an atom. • orbit of electrons around the nucleus of an atom. • combination of pure substances; unlike a compound. • a substance that is made of only one kind of matter. • change that results when two or more substances react. • positively charged particle in the nucleus of an atom. • ...
chemistry crossword 2016-02-26
Across
- Neutral particle in the nucleus of a atom.
- The smallest part of an element that is representative of an element.
- An experiment where one or more products can escape.
- An experiment where all the reactants are in a closed place.
- Ability of a substance to conduct electricity or heat.
- Amount of mass in a given volume of a substance.
- Change that results when two or more substances react to create a different substance.
- Combination of symbols that represent a compound.
- Description of how a substance interacts with another.
- a type of matter with a fixed composition
- Shiny, malleable, ductile element that conducts electricity.
Down
- A positively charged particle in the nucleus of a atom.
- Group 18 in the periodic table of elements; the most stable and unreactive elements.
- Chemical combination of two or more elements in a specific ratio.
- Positively charged centre of a atom.
- Substance that helps a chemical reaction to proceed more quickly.
- Number of protons in the nucleus of one atom of an element.
- Mass of one atom of a element.
- Group of very reactive metals.
- A reaction that takes place when two or more substances react to make a different one.
- Element that has both metallic and non-metallic properties.
- Contains 2 or more gases, liquids, or solids substances blended evenly
- Cloudy mixture in which tiny particles of one substance are held within another.
- It changes its appearance but not its composition.
- Dull, brittle element that doesn't conduct electricity.
- Invisible negatively charged particle that orbits the nucleus of a atom.
26 Clues: Mass of one atom of a element. • Group of very reactive metals. • Positively charged centre of a atom. • a type of matter with a fixed composition • Neutral particle in the nucleus of a atom. • Amount of mass in a given volume of a substance. • Combination of symbols that represent a compound. • It changes its appearance but not its composition. • ...
Chemistry Crossword 2015-10-25
Across
- Anything that has mass and takes up space
- The amount of matter in a object
- How hot or cold something is
- A change in which energy is released
- A characteristic of a substance that describes its ability to change into different substances
- 2 or more substances that are together in the same place but their atoms are chemically bonded
- A force of attraction between 2 atoms
- The total energy of all the particles in an object
- A characteristic of a substance that can be observed without changing into another substance
- A substance that cannot be broken down into any other substance by chemical or physical means
- Measure of the mass of a material in a given volume
Down
- The study of matter and how it changes
- the amount of space that matter occupies
- a change in which energy is absorbed
- The basic particle in which all elements are made of
- A group of 2 or more atoms held together by chemical bonds
- A single type of matter that is pure, meaning it always has a specific make up or composition
- A substance made of 2 or more elements that are chemically combined in a set ratio
- Alters the form or appearance of matter but does not turn any substance in the matter into a different substance
- The measure of force of gravity on an object
20 Clues: How hot or cold something is • The amount of matter in a object • a change in which energy is absorbed • A change in which energy is released • A force of attraction between 2 atoms • The study of matter and how it changes • the amount of space that matter occupies • Anything that has mass and takes up space • The measure of force of gravity on an object • ...
Chemistry Reveiw 2016-02-11
Across
- made of atoms, simplest substances
- neutral charge
- thin layer of gold, silver, or other metals around an object
- a substance that takes part in change during a reaction
- the principle that matter can't be created or destroyed
- absorbs energy
- Russian chemist, created periodic table
- number of protons in the nucleus
- located in far right group of elements
- what makes up elements
- circles around nucleus
- conductors of electricity
Down
- row (horizontal)
- gives off energy
- positive charge
- positively charged center
- short representation of an element
- outermost electron(s)
- recombination of atoms
- weight of element
- substance formed when 2 or more elements chemically bond
- nonmetallic element, has some properties of a metal
- an element not having the character of a metal
- negative charge
- smallest particle in a chemical element
- column (vertical)
26 Clues: neutral charge • absorbs energy • positive charge • negative charge • row (horizontal) • gives off energy • weight of element • column (vertical) • outermost electron(s) • recombination of atoms • what makes up elements • circles around nucleus • positively charged center • conductors of electricity • number of protons in the nucleus • made of atoms, simplest substances • ...
Chemistry crossword 2016-02-11
Across
- little pieces in the elements
- weight of atom
- small, simple atom with very few electrons
- metal like element that is liquid at room temperature
- neutral charged part of atom
- reaction that absorbs heat
- outermost electron
- reaction that releases heat
- positive charged piece in an atom
- Russian chemist
- one or two letters that are used to show an element
- outcome of chemical reaction
- track that electrons follow
- category of elements
Down
- shiny and conductive element
- a rule that states mass cannot be destroyed
- center part of an atom
- mixture of non chemically bound elements
- a chemical reaction that attaches a metal to the surface of an object
- metal non conductive ductile element
- number of protons in the nucleus
- negative charged part of atom
- has atoms in it
- solid that causes reaction
- pure substance
- single element
26 Clues: weight of atom • pure substance • single element • Russian chemist • has atoms in it • outermost electron • category of elements • center part of an atom • reaction that absorbs heat • solid that causes reaction • reaction that releases heat • track that electrons follow • shiny and conductive element • neutral charged part of atom • outcome of chemical reaction • ...
Chemistry Crossword 2015-12-02
Across
- invisible negatively charged particle that orbits the nucleus of an atom
- an experiment in which all reactants and all products of a chemical reaction are accounted for
- the amount of mass in a given volume of substance
- positively charged center of an atom
- mass of a substance tha can dissolve in a given amount of solvent to form a saturated solution at a given temperature
- description of a solid that can be stretched into a long wire
- description of a substance that can be pounded or rolled into sheets
- change in appearance or state of a substance that does not change the comopsition
- substances that helps a chemical reaction to proceed more quickly
- is the ability of a substance to conduct electricity or heat
- number of protons in a nucleus of one atom of an element
- change of state from a liquid to a solid
Down
- orbit of electrons around the nucleus of an atom
- anything that has mass and occupies space
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- measure of atomic mass
- change of state from a gas to a liquid
- the smallest part of an element that is a representative of that element
- change of state from a liquid to a gas
- slow chemical change that occurs when oxygen in the air reacts with metal
- ability to do work
- group of 17 elements in the periodic table
- change of state from a solid to a liquid
23 Clues: ability to do work • measure of atomic mass • positively charged center of an atom • change of state from a gas to a liquid • change of state from a liquid to a gas • change of state from a solid to a liquid • change of state from a liquid to a solid • anything that has mass and occupies space • group of 17 elements in the periodic table • ...
Chemistry crossword 2015-12-01
Across
- A vertical column in the period table
- Physical substance in general
- A mixture that is composed of 2 separate elements
- Firm and stable in shape
- More than one hundred substances that cannot be chemically inter converted or broken down into simpler substances
- Tending to cause corrosion
- Is a cloudy mixture in which tiny particles of one substance are held within another
- Is a combination of pure substances
- A subatomic particle of about the same mass as a proton but without an electric charge
- A cloudy mixture, but the particles of the suspended substance are so small that they cannot be easily separated out from the other substance
- Able to shatter violently apart
- A substance that could be pounded or rolled into sheets
- Characteristics that can be used to describe a substance
Down
- When liquid mixtures are combined to create a major compound
- A solid matter that is typical hard
- The condition of being hard
- Any solid that could be stretched into a long wire
- A horizontal column in the period table
- A chemical property referring to the ability for a given substance
- Make something liquefied by heat
- It is a chemical process where a solid turns into a liquid without the liquid stage
- Poisonous
- The freezing point of water
- The compactness of a substance
- It is a charged particle
25 Clues: Poisonous • Firm and stable in shape • It is a charged particle • Tending to cause corrosion • The condition of being hard • The freezing point of water • Physical substance in general • The compactness of a substance • Able to shatter violently apart • Make something liquefied by heat • A solid matter that is typical hard • Is a combination of pure substances • ...
Chemistry Unit 2016-02-10
Across
- The smallest individual part of a molecule.
- An Element that shows no sign of metal in it. (Has no properties of either metal or non-metals)
- Anumber in the bottom center of the elements space on the Periodic Table. (63.545- Copper)
- Rows on the Periodic Table
- Has a Neutral Charge.
- Has a Negative Charge.
- Chemical change of cold
- The Electron on the outer ring of the element. (2,8,8,2).
- All the gases on the Periodic table (Hydrogen, Helium, etc)
- Orbitals are regions of space around the nucleus of an atom where an electron is likely to be found.
- the Number at the center top of the elements space in the Periodic Table. (29- Copper)
- We did a lab about this. Metal was _________
- Composed of 2 or more parts
- Is the ball of Positive and Negative charge in the center of the atom.
Down
- a thing in the Periodic Table of Elements (rock or gas or metal, etc)
- Substance obtained by another substance
- Elements that form cations when compounds.
- system subjected to external force
- Chemical change of hot
- Has a Positive Charge.
- The two letters that represent each element on the periodic table. (CU- Copper)
- Inventor of the Periodic Table.
- Elements that have no signs of metal in them (Gases)
- Is a column of elements in the periodic table of the chemical elements.
- Quantity of Substance
- Substance the undergoes a chemical change
26 Clues: Has a Neutral Charge. • Quantity of Substance • Chemical change of hot • Has a Positive Charge. • Has a Negative Charge. • Chemical change of cold • Rows on the Periodic Table • Composed of 2 or more parts • Inventor of the Periodic Table. • system subjected to external force • Substance obtained by another substance • Substance the undergoes a chemical change • ...
Chemistry Crossword 2016-02-10
Across
- poor conductors of heat, brittle
- all have full outer shells
- what is left after a reaction
- Russian chemist that formulated periodic law
- smallest piece of an atom in an element
- have the same amount of shells
- states that any matter can be changed but the mass will never change
- cold reaction where energy is being absorbed
- space outside the nucleus where electrons may exist
- the mass of an atom
- what we put into a reaction
- reaction where a layer of metal is bonded to the surface of another substance
- shorter name for an element
Down
- pure substance that's made of 2 or more different kinds of atoms
- particles with no charge
- mix of metal and non metal
- center of an atom
- smallest particle in element or compound
- electrons in the outermost orbital
- how many protons and electrons an element has
- negatively charged particles
- hot reaction where energy is being released
- pure substance that has one kind of atom
- solid, shiny, good conductors of heat
- positively charged particles
- all have the same amount of valence electrons
26 Clues: center of an atom • the mass of an atom • particles with no charge • mix of metal and non metal • all have full outer shells • what we put into a reaction • shorter name for an element • negatively charged particles • positively charged particles • what is left after a reaction • have the same amount of shells • poor conductors of heat, brittle • electrons in the outermost orbital • ...
Chemistry Crossword 2016-02-10
Across
- a positive charge
- on the periodic table, vertical column down
- clump of protons and neutrons, in the middle of an atom
- the smallest component of a chemical
- a neutral charge
- an isolated system is neither created nor destroyed by chemical reactions
- brittle, not malleable, not a good conductor of electricity
- circle of electrons around the nucleus (2,8,8,2)
- mass of an element
- the two letters to represent the element
- substance made of 2+ different kinds of atoms
- made the first periodic table
- does not mix with other elements, neon & helium are examples
- energy is absorbed, cool
Down
- what comes out of a chemical reaction
- a negative charge
- good conductor of electricity, malleable
- reaction when a layer of metal is bonded to another substance, typically another metal
- on the periodic table, horizontal rows across
- energy is released, heat
- outer circle of of electrons
- number of protons and neutrons in the nucleus
- pure subastance, periodic table
- mix between metal and non-metal
- combination of atoms together
- what you out into a chemical reaction
26 Clues: a neutral charge • a positive charge • a negative charge • mass of an element • energy is released, heat • energy is absorbed, cool • outer circle of of electrons • made the first periodic table • combination of atoms together • pure subastance, periodic table • mix between metal and non-metal • the smallest component of a chemical • what comes out of a chemical reaction • ...
Chemistry crossword 2016-02-10
Across
- negatively charged particle
- smallest component of an element
- elctron located outermost shell of atom (2 words)
- a wave describing state of single electron in atom
- mass of an element (2)
- a substance obtained from another substance through chemical Change
- columns on the pt of elements
- group on pt including all alkali metal, alkaline earth metals and others
- substance composed of two or more elements whose constant
- chemical change with heat going in
- particle with no charge
- was a Russian chemist (2 words)
- 1 or 2 letters referred to elements
Down
- chemical change with heat going out
- positively charged particle
- includes helium, neon,argon, krypton, xenun, radon
- law saying that mass in isolated system is neither created or destroyed by chemical change
- horizontal row of elements on pt
- group including boron, silicon, germanium, arsenic, antimony, tellurium
- number of electrons or protons (2)
- coating or layer of material esp mass
- one class substances that can't be separated simpler
- central part of atom
- any substance that undergoes chemistry change in given reaction
- smallest physic, unit of an element of compound w/ one or more atoms
- includes carbon, nitrogen, oxygen, phosphorus, sulfur, and selenium
26 Clues: central part of atom • mass of an element (2) • particle with no charge • positively charged particle • negatively charged particle • columns on the pt of elements • was a Russian chemist (2 words) • smallest component of an element • horizontal row of elements on pt • number of electrons or protons (2) • chemical change with heat going in • chemical change with heat going out • ...
Chemistry Crossword 2017-02-05
Across
- A substance that can accept of neutralise hydrogen ions.
- A molecule that can donate a proton or accept a pair of electrons in reactions.
- A positively charged particle.
- Damage caused to a metal or stone.
- The process of decay.
- A fast chemical combination of a substance with oxygen.
- Where substances act with each other, or change into a new substance.
- A compound with chemical properties.
- A particle that has lost or gained one or more electrons.
- The power of combined elements.
- A non-charged /neutral particle.
- Elements that occupy a column on the periodic table.
- A negatively charged ion.
Down
- Elements that occupy a horizontal row on the periodic table.
- A positively charged ion.
- The result of a chemical reaction.
- The process of precipitating a substance from a solution.
- The bond of two or more elements.
- A negatively charged particle.
- A substance that speeds or slows down a reaction without getting involved.
- A combination of element symbols.
- a substance that is added to cause a chemical reaction,
- A particle that makes up everything.
23 Clues: The process of decay. • A positively charged ion. • A negatively charged ion. • A positively charged particle. • A negatively charged particle. • The power of combined elements. • A non-charged /neutral particle. • The bond of two or more elements. • A combination of element symbols. • The result of a chemical reaction. • Damage caused to a metal or stone. • ...
CONSUMER CHEMISTRY 2017-01-26
Across
- Used in preference of water as a main ingredient of perfume that dissolves esters readily.
- Can be ddictive to skin tissues and has no benefit to them.
- This means "burnt material".
- It clogs the pores and interferes with the skin's ability to eliminate toxins.
- Used to carry active ingredients in transdermal that patches deep inside the skin.
- They are also called skin therapists, specialize in treatments of skin.
- Used as emulsifying, thickening, suspensing and dispersing agent.
- color of the first cotton dye
- Has a natural insecticide called Pyrethum that terminates insects.
- The most widely use preservative in cosmetics but it is not listed on the product's ingredients.
- The oldest dye used by humans.
- The first synthetic dye
- Used in cosmetics to absorb moisture but can cause cancer to men and women.
- Substitute to vegetable dye.
- The largest organ in the human body.
Down
- First alloy that was made by humans.
- Soduim Hydroxide.
- A natural mosquito repellent that is 10 times more effective than DEET.
- It is a carcinogen that is the major cause of ovarian cancer.
- John Mercer : Mercerzation :: Tennant :_________
- A mordant dye use of ________ to bind dye molecule with fiber.
- A derivative of crude oil.
- They have been identified as hormone-mimicking chemicals.
- The alkaline hydrolysis of fat is called as _________.
- This term refers to ceramic pieces that have not been fired.
- A substance that adds odor to products.
- Basically refer to the colored products intended to alter the user's appearance.
- A recommendation of WHO for protection against mosquitoes that does not irritate skin.
- Not a true wax but usually added in beeswax in cosmetics.
- The second basic dye discovered.
30 Clues: Soduim Hydroxide. • The first synthetic dye • A derivative of crude oil. • This means "burnt material". • Substitute to vegetable dye. • color of the first cotton dye • The oldest dye used by humans. • The second basic dye discovered. • First alloy that was made by humans. • The largest organ in the human body. • A substance that adds odor to products. • ...
CONSUMER CHEMISTRY 2017-01-26
Across
- The second basic dye discovered.
- Used in cosmetics to absorb moisture but can cause cancer to men and women.
- Used to carry active ingredients in transdermal that patches deep inside the skin.
- Not a true wax but usually added in beeswax in cosmetics.
- The alkaline hydrolysis of fat is called as _________.
- Used as emulsifying, thickening, suspensing and dispersing agent.
- Soduim Hydroxide.
- They are also called skin therapists, specialize in treatments of skin.
- color of the first cotton dye
- John Mercer : Mercerzation :: Tennant :_________
- They have been identified as hormone-mimicking chemicals.
- First alloy that was made by humans.
- This means "burnt material".
- A mordant dye use of ________ to bind dye molecule with fiber.
- The oldest dye used by humans.
- The most widely use preservative in cosmetics but it is not listed on the product's ingredients.
Down
- A natural mosquito repellent that is 10 times more effective than DEET.
- Basically refer to the colored products intended to alter the user's appearance.
- The first synthetic dye
- A recommendation of WHO for protection against mosquitoes that does not irritate skin.
- It is a carcinogen that is the major cause of ovarian cancer.
- Substitute to vegetable dye.
- It clogs the pores and interferes with the skin's ability to eliminate toxins.
- Has a natural insecticide called Pyrethum that terminates insects.
- This term refers to ceramic pieces that have not been fired.
- A derivative of crude oil.
- A substance that adds odor to products.
- Can be ddictive to skin tissues and has no benefit to them.
- Used in preference of water as a main ingredient of perfume that dissolves esters readily.
- The largest organ in the human body.
30 Clues: Soduim Hydroxide. • The first synthetic dye • A derivative of crude oil. • Substitute to vegetable dye. • This means "burnt material". • color of the first cotton dye • The oldest dye used by humans. • The second basic dye discovered. • First alloy that was made by humans. • The largest organ in the human body. • A substance that adds odor to products. • ...
crossword chemistry 2017-02-10
Across
- the positive part of an atom
- the invisable part of your blood
- when water sticks to another substance
- the ability for a liquid to flow
- the negative part of the atom
- when a vapor turns into a liquid
- when a solid turns into a gas
- made with protons,neutron and electrons
- something that has to do with the changing of matter
- how toxic something is
Down
- the glue part of the atom
- a group on the periodic table
- when water sticks to water
- an element without metal
- when water turns into vapor
- when something is taken away
- what everything is made of
- when something is added
- does not have spaces or gaps
- an invisible vapor in the air
20 Clues: when something is added • how toxic something is • an element without metal • the glue part of the atom • when water sticks to water • what everything is made of • when water turns into vapor • the positive part of an atom • when something is taken away • does not have spaces or gaps • a group on the periodic table • the negative part of the atom • when a solid turns into a gas • ...
Chemistry Review 2017-02-10
Across
- shiny, malleable, ductile
- don’t interact with other elements
- a reaction that lets off cold
- 2,8,8,2 pattern
- a number that is multiplied out to one side of the equation
- One, two, or three letters of the element
- when a new solution is made, molecules can’t be created or destroyed
- center of atom
- created the periodic table
- outermost electron
- negative charge
- mixture of molecules
- no charge
Down
- horizontal row on periodic table
- studied the atom and electron
- puts elements in order on the periodic table
- number of protons/neutrons
- a reaction that lets off heat
- before a reaction
- positive charge
- made up of at least two elements
- column on periodic table
- has properties of metals and nonmetals
- makes everything in the universe
- dull, brittle
- solution after a reaction
- smallest part of an element
27 Clues: no charge • dull, brittle • center of atom • 2,8,8,2 pattern • positive charge • negative charge • before a reaction • outermost electron • mixture of molecules • column on periodic table • shiny, malleable, ductile • solution after a reaction • number of protons/neutrons • created the periodic table • smallest part of an element • studied the atom and electron • a reaction that lets off heat • ...
Chemistry Vocabulary 2017-02-10
Across
- an element that is dull, brittle, and unreactive
- a substance made up of only one kind of atom
- the result of a chemical reaction
- an element that is shiny, malleable, conductive, and reactive
- something that expels more heat than it takes in
- the part of the atom with a positive charge
- the chemist who formulated the Periodic Table
- a substance that changes during a chemical reaction
- an element that has properties of both a metal and a nonmetal
- the part of the atom with a neutral charge
- the central part of the atom
- the letter or two letters that stand for an element
Down
- the path that electron take around the nucleus
- the electron(s) in the outermost shell around the nucleus
- states that matter can’t be created or destroyed
- a substance made up of more than one atom
- the number of protons in the nucleus of an atom
- a substance made up of two or more elements
- the number of protons and neutrons in an atoms
- the smallest part of matter
- one vertical column on the periodic table
- the gases with the full number of valence electrons
- the part of the atom with a negative charge
- one horizontal row on the periodic table
- something that takes in more heat than it expels
25 Clues: the smallest part of matter • the central part of the atom • the result of a chemical reaction • one horizontal row on the periodic table • a substance made up of more than one atom • one vertical column on the periodic table • the part of the atom with a neutral charge • a substance made up of two or more elements • the part of the atom with a negative charge • ...
Chemistry Review 2017-02-08
Across
- no charge
- substance of two combined elements
- group of atoms
- Mendeleev: creator of table
- negative
- positive
- absorbs heat
- orbits around
- characteristics of metal and non-metal
- electron: outermost shell
- shiny, foil, conductors
- Structure
Down
- abbreviation of element
- new material formed in a chemical reaction
- (on the P.T.): column of elements
- the center
- Table
- Gas: any gasses in group 18
- Motion & Chemical Reactions
- everything is made of this
- release of heat
- undergoes change during a reaction
- dull, poor conductors
- substance that cannot be broken down
- of Conservation of Mass: neither created nor destroyed
- (on the P.T.): row of elements
- & CLUE
27 Clues: Table • & CLUE • negative • positive • no charge • Structure • the center • absorbs heat • orbits around • group of atoms • release of heat • dull, poor conductors • abbreviation of element • shiny, foil, conductors • electron: outermost shell • everything is made of this • Gas: any gasses in group 18 • Motion & Chemical Reactions • Mendeleev: creator of table • (on the P.T.): row of elements • ...
general chemistry 2017-01-10
Across
- have an indefinite shape and definite volume
- have a definite shape and definite volume
- is desire for car,while wetting is desced.
- heat leave the liquid as it freeze
- two pairs of liquids cannot mix
- heat leaves the gas as it solidifies
- fine dispersion of minutes droplets of one liquid in another in which it is not solute or miscible
- heat goes into the solid as it sublimes
- there are solid good electrical conductors are good thermal conductors, malleable and ductile
- is ais the natural science that involves the study of matter and its motion and behavior through space and time, along with related concepts such as energy and force.
- energy was absorbed
- molecules farming ionic or a hydrogen bond whit water
- have particles that are arranged in a definite geometric pattern
- dissolved medium
- salute is added the salute no longer dissolve
- 'WITHIN'the molecule and are called covalent and ionic bonds
- occupies space and has mass
- is the relationship between the amount of solution containing the salute
- that occurs accidentally in a given atom induce similar dipole
- these types of solid are soft have low to moderately high melting points and have poor electrical and thermal conductivity
- expands freely to fill any space available
- a substance enclosed under pressure and able to be released as a fine spray, typically by means of a propellant gas
- salute is added the salute dissolve
- defined as the number of moles solute per liter of solute
- saturated salute crystalizes when the solution is heated
- they are very hard, very high melting point and often have poon thermal and electrical conductivity
- The resistance to flow
- these solid are hard, brittle have high melting point and have poor electrical and thermal conductivity
Down
- heat goes into the solid as it melts
- two substance mix completely in all proportion
- is defined as the number of moles solute per kilogram of solvent
- property of water was important for the evolution
- is a minute fragment or quantity of matter
- is a minute fragment or quantity of matter
- energy was released
- is a heterogeneous mixture in which solute likes particles settle out of a solvent like phase sometime often their introduction
- increases with increasing temperature
- substance does not dissolve in the solvent
- process of making a solution
- heat leaves the gas as it condenses
- is the natural science that involves the study of matter and its motion and behavior through space and time, along with related concepts such as energy and force.
- heat goes into the liquid
- attractive force between molecules
- more precisely, the volumetric mass density of a substance is its mass per unit volume
- comparing quantity to standard quantity
- is a natural science concerned with the study of life and living organisms, including their structure, function, growth, evolution, distribution, identification and taxonomy
- studies plastics and other chain like molecules which consist of many smaller molecules linked together
- a substance that tends to reduce the surface tension of a liquid in which it is dissolved
- have particles that are not located in any particular position
- dissolving medium
50 Clues: dissolved medium • dissolving medium • energy was released • energy was absorbed • The resistance to flow • heat goes into the liquid • occupies space and has mass • process of making a solution • two pairs of liquids cannot mix • heat leave the liquid as it freeze • attractive force between molecules • heat leaves the gas as it condenses • salute is added the salute dissolve • ...
Chemistry Crossword 2017-11-13
Across
- A subatomic particle with a charge of negative electricity
- The basic unit of a chemical element
- A supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
- Lithium, sodium, potassium, rubidium, cesium, and francium are all...
- The mass of an atom
- A charge with a +
- The center of an atom
- Absorption of heat
- The property possessed by an object of producing different sensations on the eye as a result of the way the object reflects or emits light
- A substance formed when two or more elements
Down
- Combine or become combined chemically with oxygen.
- A colorless, odorless, highly flammable gas, the chemical element of atomic number 1
- A substance that does the reaction
- An element or substance that is not a metal.
- A very small size
- Where all the elements are found
- A charge with a -
- The medieval forerunner of chemistry, based on the supposed transformation of matter
- A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
- Release heat
- A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen
- A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
- Group 18 of the periodic table.
- A particle having a non-zero net electrical charge
- A substance created in a reaction
25 Clues: Release heat • A very small size • A charge with a - • A charge with a + • Absorption of heat • The mass of an atom • The center of an atom • Group 18 of the periodic table. • Where all the elements are found • A substance created in a reaction • A substance that does the reaction • The basic unit of a chemical element • An element or substance that is not a metal. • ...
Chemistry Crossword 2017-11-09
Across
- The numerical prefix of three
- A combination of two or more pure substance
- An element is defined by the number of protons it has
- The numerical prefix of two
- Takes place when two or more substances combine to form new substances.
- The ability of a substance to conduct electricity or heat
- The average mass of an element
- Not shiny, doesn’t conduct electricity and not ductile
- Have lustre,conduct electricity and have ductility
- The ability of a substance to be dissolved in another
- Liquid to solid
- The numerical prefix of one
Down
- Workplace Hazardous Material information system
- change Occurs when two or more materials react and create new materials. The
- Have a high melting point
- Pure substances formed as a result of the attraction between particles of opposite changes
- Substance Made of only one kind of matter
- The amount of mass in a given volume of a substance
- A material that cannot break down into any simpler substance
- Occurs when oxygen reacts with a substance to form a new substance and gives off energy
- Can be in between metals and non-metals
- The numerical prefix of five
- An atom or a group of atoms
- Solid to liquid
- The numerical prefix of four
25 Clues: Solid to liquid • Liquid to solid • Have a high melting point • The numerical prefix of two • An atom or a group of atoms • The numerical prefix of one • The numerical prefix of five • The numerical prefix of four • The numerical prefix of three • The average mass of an element • Can be in between metals and non-metals • Substance Made of only one kind of matter • ...
chemistry crossword 2017-11-09
Across
- group 17 in the periodic table
- pure substance that cannot be broken down
- releases energy
- a description of how a substance reacts with another substance
- smallest part of an element that is representative of that element
- substance that helps a reaction proceed more quickly
- principle that mass is the same in reactants and products
- change of state from gas to solid
- measure of atomic mass amu
- chemical reaction that occurs when oxygen reacts and gives off energy
- atom that has become electrically charged
- mass of one atom of an element
- amount of mass in a given volume
Down
- group 2 elements in the periodic table
- pure substance formed with at least one metal and one non metal
- anything that has mass and takes up space
- change of state from a liquid to solid
- absorbs energy
- a reaction that takes place when two or more substances form a new substance
- an experiment in which all reactants and products are accounted for
- group 1 elements in the periodic table
- ability to conduct electricity
- chemical combination of two or more elements
- invisible negatively charged particle
- number number of protons and neutrons in an element
25 Clues: absorbs energy • releases energy • measure of atomic mass amu • group 17 in the periodic table • ability to conduct electricity • mass of one atom of an element • amount of mass in a given volume • change of state from gas to solid • invisible negatively charged particle • group 2 elements in the periodic table • change of state from a liquid to solid • ...
Chemistry Crossword 2017-11-09
Across
- any subject of importance about which people have strong, conflicting points of view
- group 17 elements in the periodic table; the most reactive non-metals
- substance substance made of only one kind of matter, which has a unique set of properties
- horizontal row of elements in the periodic table
- system an experiment in which one or more products of a chemical reaction can escape
- the basic unit of a chemical element
- energy stored in chemicals and released when chemicals react
- mass of a substance that can dissolve in a given amount of solvent to form a saturated solution at a given temperature
- element that has both metallic and non- metallic properties
- homogeneous mixture; mixture of two or more pure substances that looks like one substance
- anything that has mass and occupies space
- table a table in which the elements are organized by their physical and chemical properties
- neutral particle in the nucleus of an atom
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
Down
- each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e., the number of protons in the nuclei of its atoms
- vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a family
- Workplace Hazardous Materials Information System; a system of easy-to-see warning symbols on hazardous materials
- cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out p
- positively charged particle in the nucleus of an atom
- amount of mass in a given volume of a substance
- change that results when two or more substances react to create a different substance or substances
- ability of a substance to conduct electricity or heat
- gases group 18 elements in the periodic table; the most stable and unreactive elements
- chemical combination of two or more elements in a specific ratio
- shiny, malleable, ductile element that conducts electricity
25 Clues: the basic unit of a chemical element • anything that has mass and occupies space • neutral particle in the nucleus of an atom • amount of mass in a given volume of a substance • horizontal row of elements in the periodic table • positively charged particle in the nucleus of an atom • ability of a substance to conduct electricity or heat • ...
chemistry crossword 2017-11-10
Across
- that have a density of 5 or higher e.g., copper, zinc, lead, mercury, cadmium,nickel heavy metals are one type of substance monitored to determine water quality
- change in the appearance or state of a substance that does not change the composition
- atom that has become electrically charged because it has lost or gained electrons a positive ion is an atom that has lost one or more electrons a negative ion is an atom that has gained on
- a material that electric charge can move through easily
- neutral particle in the nucleus of an atom
- description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
- the smallest part of an element that is representative of that element a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
- a table in which the elements are organized by their physical and chemical properties
- combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- an experiment in which one or more products of a chemical reaction can escape
- substance that helps a chemical reaction to proceed more quickly
Down
- positively charged center of an atom;contains protons and neutrons
- change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- catalyst involved in chemical reactions in living things
- a reaction that takes place when two or more substances react to form new substances
- chemical combination of two or more elements in a specific ratio
- invisible negatively charged particle that orbits the nucleus of an atom
- substance that strongly resists the flow of electricity
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- the sum of the number of protons and neutrons in an atom
- property that describes the physical appearance and composition of a substance
- new substance produced in a chemical reaction between reactants
- element that has both metallic and non-metallic properties
25 Clues: neutral particle in the nucleus of an atom • substance that strongly resists the flow of electricity • a material that electric charge can move through easily • catalyst involved in chemical reactions in living things • the sum of the number of protons and neutrons in an atom • element that has both metallic and non-metallic properties • ...
chemistry crossword 2017-11-10
Across
- invisible negatively charged particle that orbits the nucleus of an atom
- an experiment in which one or more products of a chemical reaction can escape
- neutral particle in the nucleus of an atom
- element that has both metallic and non-metallic properties
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- new substance produced in a chemical reaction between reactants
- change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- a material that electric charge can move through easily
- property that describes the physical appearance and composition of a substance
- the sum of the number of protons and neutrons in an atom
- that have a density of 5 or higher e.g., copper, zinc, lead, mercury, cadmium,nickel heavy metals are one type of substance monitored to determine water quality
Down
- catalyst involved in chemical reactions in living things
- chemical combination of two or more elements in a specific ratio
- description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
- substance that helps a chemical reaction to proceed more quickly
- positively charged center of an atom;contains protons and neutrons
- change in the appearance or state of a substance that does not change the composition
- a table in which the elements are organized by their physical and chemical properties
- a reaction that takes place when two or more substances react to form new substances
- atom that has become electrically charged because it has lost or gained electrons a positive ion is an atom that has lost one or more electrons a negative ion is an atom that has gained on
- substance that strongly resists the flow of electricity
- combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- the smallest part of an element that is representative of that element a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
25 Clues: neutral particle in the nucleus of an atom • substance that strongly resists the flow of electricity • a material that electric charge can move through easily • catalyst involved in chemical reactions in living things • the sum of the number of protons and neutrons in an atom • element that has both metallic and non-metallic properties • ...
Chemistry Crosswords 2017-11-11
Across
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- process in which molecules move from an area of higher concentration to one of lower concentration
- with a pH lower than 7
- (CO(g)) colourless, odourless gas; produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
- a reaction that takes place when two or more substances react to form new substances
- chemical reaction that absorbs energy
- amount of mass in a given volume of a substance
- combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
- principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
- catalyst involved in chemical reactions in living things
- change of state from a gas to a liquid
Down
- description of a solid that can be stretched into a long wire
- slow chemical change that occurs when oxygen in the air reacts with a metal
- group 1 elements in the periodic table,not including hydrogen; the most reactive of the metals
- energy stored in chemicals and released when chemicals react; a form of potential or stored energy
- compound that dissolves in water to form a
- mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in atomic mass units (amu)
- change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
- description of how a substance interacts with other substances, such as acids; chemical properties are observable only when a chemical change occurs
- a solution in which water is the solvent
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- chemical reaction that takes place in cells; food (sugar) reacts with oxygen to produce energy, water, and carbon dioxide
- chemical combination of two or more elements in a specific ratio
- number of protons in the nucleus of one atom of an element
- measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- substance that helps a chemical reaction to proceed more quickly
- an experiment in which all reactants and all products of a chemical reaction are accounted for
- invisible negatively charged particle that orbits the nucleus of an atom
30 Clues: with a pH lower than 7 • chemical reaction that absorbs energy • change of state from a gas to a liquid • a solution in which water is the solvent • compound that dissolves in water to form a • amount of mass in a given volume of a substance • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...
Chemistry Crossword 2017-11-11
Across
- orbit of electrons around the nucleus of an atom
- an experiment in which all reactants and all products of a chemical reaction are accounted for
- change that results when two or more substances react to create a different substance or substances
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- the mass of the products always equals the mass of the reactants
- energy stored in chemicals and released when chemicals react
- mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom
- chemical reaction that releases energy
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- invisible negatively charged particle that orbits the nucleus of an atom
- vertical column of elements in the periodic table that have similar chemical properties
- a reaction that takes place when two or more substances react to form new substances
- number of protons in the nucleus of one atom of an element
- catalyst involved in chemical reactions in living things
Down
- combination of symbols that represent a compound
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- chemical reaction that absorbs energy
- atom that has become electrically charged because it has lost or gained electrons
- slow chemical change that occurs when oxygen in the air reacts with a metal
- pure substance that cannot be broken down into other substances
- chemical combination of two or more elements in a specific ratio
- substance that helps a chemical reaction to proceed more quickly
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- compound that dissolves in water to form a solution with a pH lower than 7
- the most reactive non-metals
25 Clues: the most reactive non-metals • chemical reaction that absorbs energy • chemical reaction that releases energy • combination of symbols that represent a compound • orbit of electrons around the nucleus of an atom • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...
chemistry crossword 2017-11-16
Across
- invisible negatively charged particle that orbits the nucleus of an atom
- the smallest part of an element that is representative of that element;a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
- an experiment in which all reactants and all products of a chemical reaction are accounted for
- pure substance that cannot be broken down into other substances; substances made up of only one type of atom
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom;measured in atomic mass units
- combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- their reactivity is not as strong as that of the alkali metals
- description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
- slow chemical change that occurs when oxygen in the air reacts with a metal
- principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
- catalyst involved in a chemical reactions in living things
- change of state from a liquid to a gas
- chemical reaction that absorbs energy
- change of state from a gas to a solid
- a reaction that takes place when two or more substances react to form new substances
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
Down
- change of state from a gas to a liquid
- number of protons in the nucleus of one atom of an element
- [in chemistry] vertical column of elements in a periodic table; elements in a family all have similar chemical properties; also called a group
- the most reactive of the metals
- change that results when two or more substances react to create a different substance or substances;the new substances have completely different properties from the original ones
- amount of mass in a given volume of a substance
- chemical reaction that takes place in cells; food[sugar] reacts with oxygen to produce energy,water, and carbon dioxide
- a solution in which the water is the solvent
- chemical combination of two or more elements in a specific ratio
- group 17 elements in the periodic table; the most reactive non-metals
- substance that helps a chemical reaction to proceed more quickly
28 Clues: the most reactive of the metals • chemical reaction that absorbs energy • change of state from a gas to a solid • change of state from a gas to a liquid • change of state from a liquid to a gas • a solution in which the water is the solvent • amount of mass in a given volume of a substance • number of protons in the nucleus of one atom of an element • ...
Chemistry Crossword 2017-11-15
Across
- horizontal row of elements in the periodic table
- the mass of one atom of an element
- chemical combination of two or more elements in a specific ratio
- change in the appearance or state of a substance that does not change composition
- substance that helps a chemical reaction proceed more quickly
- atom that has become electrically charged
- homogeneous mixture; mixture of two or more pure substances that looks like one substance.
- combination of symbols that represent a compound
- pure substance that cannot be broken down into other substances
- mass of a substance that can dissolve in a given amount of solvent to form a saturated solution at a given temperature
- group 18 elements in the periodic table;the most stable and unreactive elements
- the sum of the number of protons and neutrons in an atom
- neutral particle in the nucleus of an atom
- positively charged centre of an atom
Down
- cause(a substance) to be deposited in solid form from a solution.
- an experiment in which one or more products of a chemical reaction can escape
- positively charged particle in the nucleus of an atom
- number of protons in a single nucleus of an element
- a table in which elements are organized by their physical and chemical properties
- property that describes the physical appearance and composition of a substance
- workplace,hazardous,materials,information,system
- A.M.U
- the most reactive non-metals
- element that has both metallic and non-metallic properties
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
25 Clues: A.M.U • the most reactive non-metals • the mass of one atom of an element • positively charged centre of an atom • atom that has become electrically charged • neutral particle in the nucleus of an atom • horizontal row of elements in the periodic table • workplace,hazardous,materials,information,system • combination of symbols that represent a compound • ...
Chemistry Crowssword 2017-11-08
Across
- When oxygen reacts w/ a substance to form a new substance.
- Made from chemical reaction
- Shine of substance
- Ability to conduct electricity/heat energy
- Metal+Non-Metal
- Cloudy mixture that can be separated
- Material made of 2 or more elements
- Pure substance
- Substances that helps speed up a reaction
- number that represents the number of atoms in an element.
- To absorb heat
Down
- gas to solid
- Chemical change in your body
- ability to pound into sheets
- Mass in given volume
- Slow chemical change when oxygen reacts with a metal
- organic catalysts
- solid to gas
- Ability to dissolve.
- anything that has mass and occupies space
- Letters/Number to indicate what elements are in product
- Starting materials of a reaction
- Ability to thin into wire.
- To release heat
- Non-Metal+Non-Metal
25 Clues: gas to solid • solid to gas • Pure substance • To absorb heat • Metal+Non-Metal • To release heat • organic catalysts • Shine of substance • Non-Metal+Non-Metal • Mass in given volume • Ability to dissolve. • Ability to thin into wire. • Made from chemical reaction • Chemical change in your body • ability to pound into sheets • Starting materials of a reaction • ...
Chemistry Crossword 2017-11-08
Across
- Substances that help a reaction speed faster. They re not consumed during a chemical reaction.
- Use atomic number
- the average mass of an element in atomic mass units (AMU)
- A new substance produced in a chemical reaction between reactants
- When 2 or more substances react to form a new substance. It is irreversible.
- An element is defined by number of protons it has.
- An experiment where all reactants and all products of a chemical reaction are accounted for.
- When a material changes state but does not change composition(makeup). It is reversible.
- A reaction that takes place when two or more substances react to form new substances
- Group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- combo of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- Use atomic number
- An experiement in which one or more products of a chemical reaction can escape.
Down
- Group 17 elements in the periodic table;the most reactive non-metals
- Most reactive family in the period table of elements
- Substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties.
- A slow chemical change that occurs when oxygen in the air reacts with metal. _________ is a chemical reaction in which the metal is decomposed.
- Pure substance formed when at least one metal and one non-metal combine
- Mass number minus atomic number
- A chemical reaction that occurs when oxygen reacts with a substance to form a new substance and gives off energy.
- An atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
- A chemical reaction that takes place in the cells of your body. Food (glucose) reacts with oxygen to produce energy,water, and carbon dioxide.
- When non-metals combine, they produce a pure substance called a molecule, or molecular compound.
- Group 18 elements in the periodic table;the most stable and nonreactive elements
24 Clues: Use atomic number • Use atomic number • Mass number minus atomic number • An element is defined by number of protons it has. • Most reactive family in the period table of elements • the average mass of an element in atomic mass units (AMU) • A new substance produced in a chemical reaction between reactants • ...
Chemistry Crossword 2017-11-07
Across
- group 17 elements in the periodic table;the most reactive non-metals
- cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
- positively charged particle in the nucleus of an atom
- an experiment in which one or more products of a chemical reaction can escape
- chemical reaction that absorbs energy
- group 18 elements in the periodic table;the most stable and unreactive elements
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- change in the appearance or state of a substance that does not change the composition
- change that results when two or more substances react to create a different substance or substances
- pure substance formed when non-metals combine
- combination of pure substances
Down
- description of a substance that can be pounded or rolled into sheets
- substance that helps a chemical reaction to proceed more quickly
- substance that strongly resists the flow of electricity
- catalyst involved in chemical reactions in living things
- chemical reaction that releases energy
- pure substance formed when at least one metal and one non-metal combine
- neutral particle in the nucleus of an atom
- a table in which the elements are organized by their physical and chemical properties
- heterogeneous mixture;mixture in which the different substances that make up the mixture are visible
- vertical column of elements in the periodic table
- substance made of only one kind of matter, which has a unique set of properties
- element that has both metallic and non-metallic properties
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
25 Clues: combination of pure substances • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • substance that strongly resists the flow of electricity • ...
Chemistry Crossword 2017-11-07
Across
- an experiment in which all reactants and all products of a chemical reaction are accounted for
- combination of symbols that represent a compound
- chemical combination of two or more elements in a specific ratio
- number of protons in the nucleus of one atom of an element
- mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom
- the most reactive non-metals
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- vertical column of elements in the periodic table that have similar chemical properties
- the mass of the products always equals the mass of the reactants
- substance that helps a chemical reaction to proceed more quickly
- chemical reaction that releases energy
- atom that has become electrically charged because it has lost or gained electrons
- orbit of electrons around the nucleus of an atom
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
Down
- catalyst involved in chemical reactions in living things
- a reaction that takes place when two or more substances react to form new substances
- slow chemical change that occurs when oxygen in the air reacts with a metal
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- chemical reaction that absorbs energy
- change that results when two or more substances react to create a different substance or substances
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- energy stored in chemicals and released when chemicals react
- invisible negatively charged particle that orbits the nucleus of an atom
- pure substance that cannot be broken down into other substances
- compound that dissolves in water to form a solution with a pH lower than 7
25 Clues: the most reactive non-metals • chemical reaction that absorbs energy • chemical reaction that releases energy • combination of symbols that represent a compound • orbit of electrons around the nucleus of an atom • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...
chemistry crossword 2017-11-07
Across
- positively charged particle in the nucleus of an atom
- system an experiment in which all reactants and all products of a chemical reaction are accounted for
- reactions reaction that takes place when two or more substances react to form new substances
- reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- compound pure substance formed when at least one metal and one non-metal combine
- substance that helps a chemical reaction to proceed more quickly
- element that has both metallic and non-metallic properties
- atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
- catalyst involved in chemical reactions in living things
- neutral particle in the nucleus of an atom
- number the sum of the number of protons and neutrons in an atom
- number number of protons in the nucleus of one atom of an element
Down
- the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
- ability of a substance to conduct electricity or heat
- compound pure substance formed when non-metals combine
- table table in which the elements are organized by their physical and chemical properties
- dull, brittle element that does not conduct electricity
- group 17 elements in the periodic table;the most reactive non-metals
- metals group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- system an experiment in which one or more products of a chemical reaction can escape
- monoxide (CO(g))colourless, odourless gas;produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
21 Clues: neutral particle in the nucleus of an atom • ability of a substance to conduct electricity or heat • positively charged particle in the nucleus of an atom • compound pure substance formed when non-metals combine • dull, brittle element that does not conduct electricity • catalyst involved in chemical reactions in living things • ...
Organic Chemistry 2017-03-29
Across
- a long chain molecule formed by joining monomers
- a homologous group having –OH as the functional group
- a group of complex organic macromolecules that contain carbon
- they don’t have the maximum hydrogen atoms around each carbon so more atoms can be added
- a synthetic polymer of a type made by the linkage of an amino group of one molecule and a carboxylic acid group of another
- a compound which contains only carbon and hydrogen atoms
- small molecules join together to form this
- homologous series with –COOH as the functional group
- broken down in the soil or water by micro-organisms
Down
- the process of joining monomers together to form polymers
- groups of molecules with similar boiling points
- when no more atoms can be added to their molecules
- a group of organic molecules with similar chemical properties
- large molecules made up of repeating units
- a reaction that takes place in the absence of air
- an organic compound made by replacing the hydrogen of an acid by an alkyl or other organic group
- a substance which speeds up a chemical reaction
- the breaking down of larger hydrocarbons into smaller hydrocarbons
- hydrocarbons which only have single covalent bonds in their structure
- the series of unsaturated hydrocarbons containing a double bond
20 Clues: large molecules made up of repeating units • small molecules join together to form this • groups of molecules with similar boiling points • a substance which speeds up a chemical reaction • a long chain molecule formed by joining monomers • a reaction that takes place in the absence of air • when no more atoms can be added to their molecules • ...
Chemistry Crossword 2017-06-19
Across
- Came up with the uncertainty principal
- German theoretical physicist whose discovery of energy quanta. Discovered Planck's constant
- First Canadian female nuclear physicist
- An approximate area of where an electron may be
- mixing atomic orbitals into new hybrid orbitals
- best known for proposing the modern atomic theory
- covalent bond between two atoms where the electrons forming the bond are unequally distributed
- the valence electrons from the s and p orbitals of the interacting metal atoms delocalize
- covalent chemical bonds where two lobes of one involved atomic orbital overlap two lobes of the other involved atomic orbital
- number that occurs in the theoretical expression for the value of some quantized property of a subatomic particle, atom, or molecule
- formulated the wave equation
- measurement of spectra produced when matter interacts with or emits electromagnetic radiation
- well-defined circular path followed by electron around nucleus
Down
- New Zealand-born British physicist who came to be known as the father of nuclear physics
- Danish physicist who made foundational contributions to understanding atomic structure and quantum theory
- suggested that all matter has wave properties
- A negatively charged particle
- emission of electrons or other free carriers when light is shone onto a material
- Scottish chemist and mineralogist whose writings contributed to the early spread of Dalton's atomic theory
- model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms
20 Clues: formulated the wave equation • A negatively charged particle • Came up with the uncertainty principal • First Canadian female nuclear physicist • suggested that all matter has wave properties • An approximate area of where an electron may be • mixing atomic orbitals into new hybrid orbitals • best known for proposing the modern atomic theory • ...
chemistry crossword 2017-03-27
Across
- Small amount of active molecules in an aqueous solution
- Solute dissolved in solvent (eg. water)
- Reaction involving oxygen and releases light + heat energy
- reaction Combination of oxygen with fuel or metal
- No. of active molecules in a volume of solution
- Polymer is made from this
- Long-chain molecule formed by monomers
- Substance or object that can be decomposed by organisms
- ion Ion that does not take part in a reaction
- Acid + base = salt + water
Down
- Something that speeds up a reaction but is not used in it
- Molecule only containing carbon and hydrogen atoms
- theory Particles in an equation must collide to react
- Insoluble compound formed in a specific reaction
- Process of joining small units to make a long molecule
- Reaction involving breakdown of compounds into simple substances
- reaction Reaction used to produce solid products from ionic substances
- Combination of simpler substances in a reaction
- Strong acid; can be used to describe bond between atoms
- rate Speed of a reaction
- acid Acidic solution with high hydrogen ion concentration
21 Clues: rate Speed of a reaction • Polymer is made from this • Acid + base = salt + water • Long-chain molecule formed by monomers • Solute dissolved in solvent (eg. water) • ion Ion that does not take part in a reaction • Combination of simpler substances in a reaction • No. of active molecules in a volume of solution • Insoluble compound formed in a specific reaction • ...
chemistry review 2017-05-14
Across
- What are good conductors, shiny, and ductile?
- What's a substance that cannot be broken down by chemicals?
- What's in each column?
- What's in each row?
- A ________ mixture that cannot easily be separated.
- What's it called for two or more substances that are combined without chemicals?
- What is a quantitative description that includes both a number and a unit?
- _______ energy is also called radiant energy
- ______ metals are found in group 1.
- A small, whole number that appears in front of a formula.
- _______ bonds consist of two metals.
- A ______ reaction is when a single compound breaks down.
- What's the tendency of a substance to undergo chemical reaction?
- What's it called to go from a solid to a gas?
- a is the symbol for an _____ particle.
- What's the ability to do work and make change possible?
- ________ bonds are made of two nonmetals
- what is the SI base unit for temperature?
- A _____ reaction is when two or more substances combine.
- What are poor conductors, brittle, dull, and gases?
- _______ bonds are composed of metals and nonmetals
Down
- A _____ has a definite shape, volume, and melting point.
- What measures the distance?
- ______ is when an electron drops from a higher energy level to a lower energy level and emits light.
- ________are in group 17 and are salt formers.
- The _____rule says atoms will combine to have 8 valence electrons.
- Hydroxide is a _______.
- A ________ mixture that can be separated.
- A ______ reaction is a chemical reaction in which the products reform the original reactants.
- What's the formation of a positive ion?
- The ______ yield is the amount of a product mathematically possible.
- What's the measure of how close a series of measurements are to one another?
- Hydronium is a ______.
- What's the measure of how close a measurement comes to the actual or true value of whatever is measured?
- What's the formation of a negative ion?
- What's the mixing of the particles of 2 substances caused by their random motion?
- What is a chemical substance of two or more different chemical elements?
- What are properties of metals and nonmetals, solids, and semi-conductors?
- What has a definite volume but no definite shape?
- Who's the scientist that compared electrons in an atom to planets in the solar system?
40 Clues: What's in each row? • What's in each column? • Hydronium is a ______. • Hydroxide is a _______. • What measures the distance? • ______ metals are found in group 1. • _______ bonds consist of two metals. • a is the symbol for an _____ particle. • What's the formation of a positive ion? • What's the formation of a negative ion? • ________ bonds are made of two nonmetals • ...
Chemistry Badge 2018-01-23
Across
- The element you find in balloons that float
- A mixture of two or more substances
- ______ Table of the Elements
- The element you find in Special K and bananas
- A tiny compound made of atoms
- The state of matter of water vapour
- A scientific procedure for making a discovery
- The element we breathe
- An important measuring unit in chemistry, but also a tiny mammal that lives underground
- Eye protection for chemists
- An element and a coin
- Pencil lead is made of this element
Down
- The state of matter of water
- The element you find in brightly lit signs
- H2O
- The atmosphere is composed mostly of this gas
- Where chemists work
- The element that makes your bones and teeth strong
- Chemists wear this in case they spill something
- Another name for salt
- The science of compounds composed of atoms
- Composed of protons, neutrons, and electrons
- Cylindrical glass for mixing substances
- Hand protection for chemists
- If you burn potassium, the flame is this colour
- The state of matter of ice
26 Clues: H2O • Where chemists work • Another name for salt • An element and a coin • The element we breathe • The state of matter of ice • Eye protection for chemists • The state of matter of water • ______ Table of the Elements • Hand protection for chemists • A tiny compound made of atoms • A mixture of two or more substances • The state of matter of water vapour • ...
Chemistry Vocab 2018-02-05
Across
- the energy needed to raise the temperature of 1 gram of water through 1 °C
- power derived from the utilization of physical or chemical resources, especially to provide light and heat
- the measure of bond strength in a chemical bond
- of a reaction or process accompanied by or requiring the absorption of heat
- a phase transition from the liquid phase to vapor
- energy cannot be created or destroyed, it can only be transformed from one form to another
- an apparatus for measuring the amount of heat involved in a chemical reaction or other process
- a reaction or process accompanied by the release of heat
- heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
Down
- the process of measuring the amount of heat released or absorbed during a chemical reaction
- energy stored in the chemical bonds of a substance
- states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
- energy that an object possesses by virtue of being in motion
- the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
- a thermodynamic quantity equivalent to the total heat content of a system
- the degree or intensity of heat present in a substance or object
- the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
- A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
- the process or result of joining two or more things together to form a single entity
- a form of energy associated with the movement of atoms and molecules in any material
20 Clues: the measure of bond strength in a chemical bond • a phase transition from the liquid phase to vapor • energy stored in the chemical bonds of a substance • a reaction or process accompanied by the release of heat • energy that an object possesses by virtue of being in motion • the degree or intensity of heat present in a substance or object • ...
Chemistry Vocab 2018-02-05
Across
- A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
- an apparatus for measuring the amount of heat involved in a chemical reaction or other process
- a thermodynamic quantity equivalent to the total heat content of a system
- the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
- the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
- energy cannot be created or destroyed, it can only be transformed from one form to another
- the process or result of joining two or more things together to form a single entity
- of a reaction or process accompanied by or requiring the absorption of heat
- heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
- the measure of bond strength in a chemical bond
Down
- energy stored in the chemical bonds of a substance
- the energy needed to raise the temperature of 1 gram of water through 1 °C
- the process of measuring the amount of heat released or absorbed during a chemical reaction
- power derived from the utilization of physical or chemical resources, especially to provide light and heat
- a reaction or process accompanied by the release of heat
- energy that an object possesses by virtue of being in motion
- a form of energy associated with the movement of atoms and molecules in any material
- the degree or intensity of heat present in a substance or object
- a phase transition from the liquid phase to vapor
- states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
20 Clues: the measure of bond strength in a chemical bond • a phase transition from the liquid phase to vapor • energy stored in the chemical bonds of a substance • a reaction or process accompanied by the release of heat • energy that an object possesses by virtue of being in motion • the degree or intensity of heat present in a substance or object • ...
chemistry crossword 2018-01-25
Across
- Good conductors of heat and electricity.
- it is a shorthand method of representing an element.
- a substance made by mixing other substances together.
- The temperature when a liquid starts to vaporize.
- when a solid formed from a solution.
- a stable particle with a negative electricity it found in all atoms and acting as the main carrier of electricity in solids.
- a stable particle occurring in all atoms it has positive charge.
- able to dissolve other substances.
- a group of atoms bonded together.
Down
- the number of protons in the nucleus of an atom.
- exploding
- A table filled with elements in order of atomic numbers.
- The temperature when a soled starts to liquidize.
- the around a nucleus where electrons are found.
- a particle about the same mass as a proton but with no charge.
- a method of writing the chemical symbol of an element and surrounding it with dots to show the number of valence electrons.
- The center of a atom.
- The vertical columns on the periodic table.
- the amount of compactness in somthing.
- Horizontal rows of elements.
20 Clues: exploding • The center of a atom. • Horizontal rows of elements. • a group of atoms bonded together. • able to dissolve other substances. • when a solid formed from a solution. • the amount of compactness in somthing. • Good conductors of heat and electricity. • The vertical columns on the periodic table. • the around a nucleus where electrons are found. • ...
Chemistry Crossword 2018-01-26
Across
- Tells the number of protons.
- an element with an electric charge formed formed loss or gain in electrons.
- The group to the right of the Transition Metals and to the left of the Metallloids.
- Atoms will always react until they have a full shell.
- the study of the elements
- Most reactive non-metals.
- Do not react at all.
- Most reactive.
- Will never change, because it will become a different element.
- the guy who made the periodic table
- Do not add mass to the atom
Down
- thing that holds all of the elements
- Has Hydrogen and Carbon in it.
- Has Calcium and Barium.
- Add mass to the atom.
- The letters of the elements.
- The elements on the stair line.
- Top group of the 2 that is usually under and do not fit into the Periodic Table.
- The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
- Total number of protons + neutrons.
20 Clues: Most reactive. • Do not react at all. • Add mass to the atom. • Has Calcium and Barium. • the study of the elements • Most reactive non-metals. • Do not add mass to the atom • Tells the number of protons. • The letters of the elements. • Has Hydrogen and Carbon in it. • The elements on the stair line. • Total number of protons + neutrons. • the guy who made the periodic table • ...
Chemistry Crossword 2018-01-26
Across
- Has Calcium and Barium.
- an element with an electric charge formed formed loss or gain in electrons.
- Add mass to the atom.
- The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
- Most reactive non-metals.
- the study of the elements
- Tells the number of protons.
- Has Hydrogen and Carbon in it.
- thing that holds all of the elements
- Total number of protons + neutrons.
Down
- Do not react at all.
- Atoms will always react until they have a full shell.
- Do not add mass to the atom
- Most reactive.
- The group to the right of the Transition Metals and to the left of the Metallloids.
- Top group of the 2 that is usually under and do not fit into the Periodic Table.
- the guy who made the periodic table
- The letters of the elements.
- The elements on the stair line.
- Will never change, because it will become a different element.
20 Clues: Most reactive. • Do not react at all. • Add mass to the atom. • Has Calcium and Barium. • Most reactive non-metals. • the study of the elements • Do not add mass to the atom • The letters of the elements. • Tells the number of protons. • Has Hydrogen and Carbon in it. • The elements on the stair line. • the guy who made the periodic table • Total number of protons + neutrons. • ...
Chemistry Crossword 2018-01-26
Across
- The letters of the elements.
- thing that holds all of the elements
- Atoms will always react until they have a full shell.
- Total number of protons + neutrons.
- the study of the elements
- Do not add mass to the atom
- Has Calcium and Barium.
- Do not react at all.
- Will never change, because it will become a different element.
Down
- Top group of the 2 that is usually under and do not fit into the Periodic Table.
- The elements on the stair line.
- The group to the right of the Transition Metals and to the left of the Metallloids.
- The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
- an element with an electric charge formed formed loss or gain in electrons.
- Add mass to the atom.
- Tells the number of protons.
- Most reactive.
- the guy who made the periodic table
- Most reactive non-metals.
- Has Hydrogen and Carbon in it.
20 Clues: Most reactive. • Do not react at all. • Add mass to the atom. • Has Calcium and Barium. • the study of the elements • Most reactive non-metals. • Do not add mass to the atom • The letters of the elements. • Tells the number of protons. • Has Hydrogen and Carbon in it. • The elements on the stair line. • Total number of protons + neutrons. • the guy who made the periodic table • ...
Chemistry Review 2018-05-09
Across
- negatively charged particle
- when chemicals are combining together to make something new
- on the right side of the reaction arrow
- inner transition elements starting with a
- amount of substance per unit volume
- what electron sublevels are partitioned into
- the number that is changed for balancing purposes
- type of reaction where products can form reactants
- when there is no net change in a reaction
- can speed up a reaction
- neutral particle
- the law of conservation of ____ that chemical equations are balanced to
- the letters representing elements on the periodic table
Down
- solid that is formed as a macroscopic chemical change indicator
- the number of major classes for chemical reactions
- positively charged particle
- type of spectra that provide info on energy levels
- inner transition element starting with l
- on the left side of the reaction arrow
- area around the nucleus where electrons are located
- can slow down a reaction
- the highest number valence electrons can go up to
- where protons and neutrons are located
- where protons, neutron, and electrons are located
24 Clues: neutral particle • can speed up a reaction • can slow down a reaction • positively charged particle • negatively charged particle • amount of substance per unit volume • on the left side of the reaction arrow • where protons and neutrons are located • on the right side of the reaction arrow • inner transition element starting with l • inner transition elements starting with a • ...
Crossword Chemistry 2018-09-06
20 Clues: ซูโครส • การแพร่ • แนฟทาลีน • ตัวละลาย • ดุลสมการ • สมการเคมี • การระเหิด • แรงลอนดอน • เรืองเเสง • การกลายเป็นไอ • สูตรโครงสร้าง • ส่วนในล้านส่วน • กรดเปอร์คลอริก • กัมมันตภาพรังสี • สารละลายเข้มข้น • เป็นสถานะของน้ำ • แรงดึงดูดระหว่างขั้ว • ธาตุเเทรนซิชันเลขมวล29 • ถ้าขาดทำให้เป็นโรคคอพอก • เมื่ออยู่ในรูปสารละลายเรียกฟอร์มาลีน
Crossword Chemistry 2018-09-06
20 Clues: ซูโครส • การแพร่ • ดุลสมการ • ตัวละลาย • แนฟทาลีน • สมการเคมี • การระเหิด • แรงลอนดอน • เรืองเเสง • การกลายเป็นไอ • สูตรโครงสร้าง • กรดเปอร์คลอริก • ส่วนในล้านส่วน • เป็นสถานะของน้ำ • กัมมันตภาพรังสี • สารละลายเข้มข้น • แรงดึงดูดระหว่างขั้ว • ธาตุเเทรนซิชันเลขมวล29 • ถ้าขาดทำให้เป็นโรคคอพอก • เมื่ออยู่ในรูปสารละลายเรียกฟอร์มาลีน
Chemistry Crossword 2018-11-13
Across
- Solid, liquid, gas and plasma.
- Change of state from a gas to a liquid.
- Pure substance that cannot be broken down into other substances.
- A characteristic that describes a particular substance.
- Cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out.
- Change in the appearance or state of a substance that does not change the composition.
- Description of a substance that can be pounded or rolled into sheets.
- Combination of two pure substances. Unlike a compound, the components of a mixture do not combine chemically and are not always in the same ratio.
- Description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs.
- Amount of mass in a given volume of a substance.
- Ability of a substance to conduct electricity or heat.
- Substance made up of only one kind of matter; which has a unique set of properties.
- Change of state from a solid to a gas or a gas to a solid.
- Chemical combination of two elements in a specific ratio.
- Mass of a substance that can dissolve in a given amount of solvent to form a saturated solution at a given temperature.
Down
- A change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original one.
- Homogeneous mixture; mixture of two or more pure substances that look like one substance.
- Change of state from a solid to a liquid.
- Description of the physical appearance and composition of a substance.
- Cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance.
- A system in which the elements are organized and categorized by their physical and chemical properties.
- Description of a solid that can be stretched into a long wire.
- Change of state from a liquid to a solid.
- Change of state from a liquid to a gas.
- A system of easy-to-see warning symbols for hazardous materials.
- Anything that has mass and occupies space.
26 Clues: Solid, liquid, gas and plasma. • Change of state from a gas to a liquid. • Change of state from a liquid to a gas. • Change of state from a solid to a liquid. • Change of state from a liquid to a solid. • Anything that has mass and occupies space. • Amount of mass in a given volume of a substance. • Ability of a substance to conduct electricity or heat. • ...
Chemistry Crossword 2018-11-14
Across
- glass container with a flat bottom with measurements on the sides.
- What makes the product
- Change of state, usually reversible
- found a way to name chemicals
- created a new way of organizing elements (Periodic Table of elements)
- Carries no charge in an atom
- When two non metals combine
- Change in colour, odour, if it is exothermic or endothermic, not reversible
- People who tried to purify objects through somewhat magical means
- absorbs heat
- positive charge in an atom
- Gas, liquid, solid
- Made by 2 or more reactants
Down
- Shiny, hard, good conductor
- a substance that cannot be separated into any more substances
- the mass of an atom in a chemical element
- a substance made of 2 or more elements
- a table of organized elements ordered by atomic number.
- tells you what the substance is using letters and symbols
- Microscopic particle. (Makes up all matter). First thought of by Democritus.
- Developed the planetary model that included protons and neutrons in the nucleus and electrons orbiting around the nucleus
- bad conductor, no lustre
- formed by attraction between particles of opposite charges (Ions)
- Emits heat
- negative charge in an atom
25 Clues: Emits heat • absorbs heat • Gas, liquid, solid • What makes the product • bad conductor, no lustre • negative charge in an atom • positive charge in an atom • Shiny, hard, good conductor • When two non metals combine • Made by 2 or more reactants • Carries no charge in an atom • found a way to name chemicals • Change of state, usually reversible • a substance made of 2 or more elements • ...
Chemistry Crossword 2018-10-25
Across
- Subatomic particle of about the same mass as a proton but without an electric charge
- Made up of two or more substances
- Anything that occupies space and has mass
- Subatomic particle with a charge of negative electricity, found in all atoms
- When a solid turns into liquid
- Anything on periodic table
- Cloudy mixture that can be seperated
- When a gas turns into a liquid
- Chemical property that shows how reactive a substance is
- When a gas turns into a solid
- When a liquid turns into a solid
Down
- Subatomic particle occurring in all atomic nuclei, with a positive electric charge
- Caracteristics that can be used to describe a substance
- The mass of an object
- When a liquid turns into a gas
- A physical property used to see how hard a substance is
- Physical property used to describe substance that can be rolled into sheets
- Cloudy mixture that cant be seperated
- Signs that are used to repersent something when labeling
- Mixture of two or more substances that look alike
- The positively charged central core of an atom, consisting of protons and neutrons
- When a solid turns into a gas
- Chemical combination of two or more elements in specific ratio
- An atom or group of atoms that has become electrically charged because it has lost or gained electrons
- A physical prperty used to describe a metal that can stretch into wire
25 Clues: The mass of an object • Anything on periodic table • When a solid turns into a gas • When a gas turns into a solid • When a liquid turns into a gas • When a solid turns into liquid • When a gas turns into a liquid • When a liquid turns into a solid • Made up of two or more substances • Cloudy mixture that can be seperated • Cloudy mixture that cant be seperated • ...
Science Chemistry 2018-11-21
Across
- positively charged particle in the nucleus of an atom
- pure substance formed when at least one metal and one non-metal combine
- substance that cannot be broken down into other substances
- material that electric charge can move through easily
- the sum of the number of protons and neutrons in an atom
- pure substance formed when non-metals combine
- group 18 elements in the periodic table;the most stable and unreactive elements
- a group of atoms joined by covalent bonds
- atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
- neutral particle in the nucleus of an atom
- description of an object that has equal amounts of positive and negative charges
Down
- group 17 elements in the periodic table;the most reactive non-metals
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
- a table in which the elements are organized by their physical and chemical properties
- anything that has mass and occupies space
- combination of pure substances
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- reaction that takes place when two or more substances react to form new substances
- element that has both metallic and non-metallic properties
- mixture in which the different substances that make up the mixture are visible
- compounds whosemolecules contain carbon
- mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units
- vertical column of elements in the periodic table
- mixture of two or more pure substances that looks like one substance
24 Clues: combination of pure substances • compounds whosemolecules contain carbon • anything that has mass and occupies space • a group of atoms joined by covalent bonds • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • ...
Chemistry Crossword 2018-11-23
Across
- A mixture of different substances that are not separately visible
- A substance that can be pounded or rolled into sheets
- The prefix used in a molecual compund when there are five number of atoms
- The slow chemical change that occurs when oxygen in the air reacts with a metal
- A chemical reaction which takes place in your body
- A chemical reaction that occurs when oxygen reacts with a new substance to form a new substance and give off energy
- A horizontal row in the periodic table
- Pure substances formed due to the attrection of particles of opposite charges
- The law that describes that no matter is either formed or destroyed during a chemical reaction
- Most reactive non-metals
- A reaction that absorbs heat (Turns Cold)
- Most stable and unreactive elements
Down
- A cloudy mixture in which the tiny particles of a substance are held within another
- A pure substance formed when non-metals combine
- The new WHMIS(2015)
- Most reactive metals
- The new materials produced after a reaction
- The materials at the start of a reaction
- A system that does'nt let any matter escape during a chemical reaction
- Positively charged particles
- A vertical collumn in the periodic table
- A system that lets some matter in a chemical reaction escape (For example a beaker)
- Any solid that can be stretched into a long wire
- A substance that helps a reaction proceed faster
- A reaction that realeases heat energy (Gets Hot)
25 Clues: The new WHMIS(2015) • Most reactive metals • Most reactive non-metals • Positively charged particles • Most stable and unreactive elements • A horizontal row in the periodic table • The materials at the start of a reaction • A vertical collumn in the periodic table • A reaction that absorbs heat (Turns Cold) • The new materials produced after a reaction • ...
Chemistry review 2018-05-21
Across
- The Tyndall effect is used to distinguish ______________ from solutions.
- Together the solute and the solvent make a _______________________.
- __________________ bonds occur only with fluorine, oxygen, and nitrogen.
- ph + ________________ = 14
- If the free energy value is positive, the reaction is ____________.
- If the reaction rate doubles when the concentration of one reactant doubles, the reaction is the __________ order.
- The abbreviation for molarity is _____________
- a _____________ gas behaves according to the kinetic molecular theory.
- _____________ heat changes the state but not the temperature of a substance.
- If the solubility of a solution is 28.2 g/100 mL, the term that describes a 100 ml solution with 28.2 g of solute is __________________.
- ______________ is the minimum amount of energy needed before a reaction can begin.
- ______________ volume is the volume occupied by Avogadro's number of particles.
- Thermochemistry studies the ________________ of energy.
- A pH value of 9 indicates a weak _________________.
- The larger component of the solution is the __________________.
- _____________ is the measure of energy dispersal.
Down
- In a heterogeneous reaction, the reactant exist in at least __________ phases.
- The _______________________ theory states that particles are in constant, random motion.
- To solidify a gas, you need a low temperature and a ___________ pressure
- ____________________ is described as moles of solute per liter.
- For a constant quantity of gas at a constant temperature, if you increase the volume, the pressure will _________.
- A Bronsted-Lowry acid______________ a proton
- The inter-molecular force that acts on non-polar molecules is called ______________.
- Gas mingles easily with another porous substance is an example of ______________________.
- Thermodynamics answers the question, "Can two substances ______ together?"
- _____________ laws are determined experimentally.
- A long arrow pointed to the left indicates that a reaction is _____________ favored.
- The smaller component of the solution is the ________________.
- _______________gas law focuses on the relationship between pressure and volume.
29 Clues: ph + ________________ = 14 • A Bronsted-Lowry acid______________ a proton • The abbreviation for molarity is _____________ • _____________ laws are determined experimentally. • _____________ is the measure of energy dispersal. • A pH value of 9 indicates a weak _________________. • Thermochemistry studies the ________________ of energy. • ...
Chemistry Crossword 2018-06-08
Across
- can be in between metals and non-metals
- made up of one type of matter
- workplace hazardous materials information system
- when a new substance is formed and non-reversible
- the mass of all protons and neutrons in an atom
- the center of an atom
- when non-metal combine
- can eat away or corrode
- when a solid changes to a gas
- the mixture of magic and chemistry
- contaminated material that is a threat to humans and health
- electrically charged atoms
Down
- chemical reaction that absorbs heat energy
- change in appearance or state
- mixture in which the different substances are visible
- mixture of two or more pure substances that look like one substance
- chemical reaction that releases heat energy
- pure substance that cannot broken down any further
- the number of protons in the nucleus of an atom
- ability to conduct electricity or heat
- a compound of a metal and non-metal
- shiniest of a substances,
- substances in a reaction
- when a gas changes to a solid
- the horizontal rows on the periodic table
25 Clues: the center of an atom • when non-metal combine • can eat away or corrode • substances in a reaction • shiniest of a substances, • electrically charged atoms • change in appearance or state • made up of one type of matter • when a solid changes to a gas • when a gas changes to a solid • the mixture of magic and chemistry • a compound of a metal and non-metal • ...
Chemistry Review 2012-05-16
Across
- This group is fairly reactive.
- An element with a name that is very similar to a student's name in this class.
- Outermost
- A ____ change is difficult to reverse.
- A noble gas.
- This group number contains elements with four valence electrons.
- The element with 20 electrons.
- An example of this type of mixture is pizza.
- Mass divided by volume equals what?
- Positive subatomic particle.
Down
- Atomic mass - atomic number.
- Some element symbols appear funny because they were named in this language.
- The last name of the scientist who first proved atoms exist.
- Where an element has more than one atomic mass.
- The only transition metal that is a liquid at room temperature.
- This group is very reactive (2 words).
- Salt is an example of what type of matter?
- An example of this type of mixture is liquid glue.
- The only part of the atom that moves.
- Changing state, like from a solid to a liquid, results in an increase of this.
20 Clues: Outermost • A noble gas. • Atomic mass - atomic number. • Positive subatomic particle. • This group is fairly reactive. • The element with 20 electrons. • Mass divided by volume equals what? • The only part of the atom that moves. • This group is very reactive (2 words). • A ____ change is difficult to reverse. • Salt is an example of what type of matter? • ...
Chemistry Crossword 2012-05-20
Across
- substance that increases reaction rate.
- Non-even distribution of electron pull.
- Process that determines an unknown concentration in a solution.
- The lowest energy state for an atom.
- Amount of a substance; Unit of measure.
- chaos.
- A solution that can maintain pH level.
- Amount of product obtained.
- A reaction that gains heat.
Down
- An element gains electrons.
- quantity of matter.
- outermost electrons.
- Moles per Liter.
- A reaction that loses heat.
- The minimum energy required to convert reactants to products.
- An element loses electrons.
- Arrangement of elements based on increasing atomic number.
- gas with full electrons
- The time it takes for the amount of reactant to decrease by half.
- A substance or material.
20 Clues: chaos. • Moles per Liter. • quantity of matter. • outermost electrons. • gas with full electrons • A substance or material. • An element gains electrons. • A reaction that loses heat. • An element loses electrons. • Amount of product obtained. • A reaction that gains heat. • The lowest energy state for an atom. • A solution that can maintain pH level. • ...
Cell Chemistry 2013-04-15
Across
- An organic compound that consists only of carbon, hydrogen, and oxygen.
- A point where something ends and starts.
- A microbe that is so small that it cannot be seen by the human naked eye.
- The movement when a solvent moves through a semipermeable membrane from a high to low concentration.
- The diffusion of a solvent through a semipermeable membrane from a dilute to a concentrated solution.
- A way of reproducing by the offspring coming from one parent and inherits genes of that one parent.
- A source of some form of power.
- Changes which exit a system and which activate/modify a process.
- Water soluble subtance
- Protein molecules in cells that work as catalysts. They speeds up chemical reactions and do not get used up in the process.
- Group of single celled organisms that lack a nucleus or any other membrane bound organelles.
- Entrance or changes which are inserted into a system and which activate or modify a process.
- A state in which opposing forces valance each other out and stability is attained.
- The process that cells go through to harvest the energy stored in food.
- Adenosine triphosphate
- Having the shape of a sphere.
- The flow or movement or transfer of something such as gas, water or money away from a place.
- Concentration or activity of a solution to that of a given standard solution.
- When a plant converts light energy into light.
- An overall force acting on an object.
- Shrinking or reducing.
- The point at which something flows in.
- An increase in the strength of a fluid or gas in a mixture by purification, evaporation, or diffusion.
- Gradually making something disappear.
- Natures method of transferring energy though space extremely quickly.
Down
- C6H12O6
- When a substance reacts vigorously to another substance.
- Chemical formula composed of two oxygen atoms and bonded to a single carbon atom.
- A carbohydrate that is soluble in water. (sweet tasting)
- Chemical substance to undergo a transformation through a chemical reaction.
- Diffusion of substances across a membrane that transport substances that otherwise would diffuse slowly or not at all.
- Something that has the ability to take in something such as light or energy.
- To bring under control.
- Cellular process of moving molecules and other substances and other substances across membranes.
- A form of life composed of organs organelles and so on.
- A process that occurs when a chemical transforms from one substance to another.
- The action for which a thing is particularly fitted or assigned.
- The movement of a substance across a cell membrane against the concentration gradient from low to high.
- A secure supply of energy to another object or substance.
- An organism that makes its own food from inorganic substances.
- An acid that occurs naturally as waxes, fats, and essential oils consisting of a straight linked by single bonds.
- The arrangement of atoms in a molecule.
- The concentration of acid in a substance.
- They make up proteins and are important components to cells.
- O2
- When plant cells turn carbon dioxide to water and carbohydrates and oxygen using light energy.
- A combination of related parts all organized into a complex whole.
- Thermal, Chemical, Electric, Radiant, Nuclear are examples of…
- A substance that is composed of linked amino acids.
49 Clues: O2 • C6H12O6 • Water soluble subtance • Adenosine triphosphate • Shrinking or reducing. • To bring under control. • Having the shape of a sphere. • A source of some form of power. • An overall force acting on an object. • Gradually making something disappear. • The point at which something flows in. • The arrangement of atoms in a molecule. • A point where something ends and starts. • ...
Chemistry Words 2013-05-06
Across
- Concentration measured by the # of moles of solute per liter of solution
- Natural rubber
- 12g of carbon-12
- The state in which both reactants and products are present at concentration which doesn't have a tendency to change with time
- Pure sodium in water
- A class of organic compounds that react with water to produce alcohols and organic or inorganic acids
- Units of measurement of something or amount of a solute present in a solution per standard amount of solvent
- Bombs
- Kelvin
- A number equal to the sum of the atom masses of the atoms in a molecule
- Amount of heat energy required to change the state of a substance
- An interaction with another object resulting in a change in molecular direction
- The sun
- The measure of how much of a given substance there is mixed with another substance
- A chemical reaction produced by an acid
- Joules
- Absorption of heat
Down
- Rusting iron
- Q = mcΔT
- A reaction in which electrons are transferred from a donor to an acceptor molecule
- A nuclear weapon
- A gas that when kept at a constant temperature would obe the gas laws exactly
- Denoted as H
- Meth,eth,prop,pentra,hexa,hepta,octa,nona,deca
- free Energy
- Newtons
26 Clues: Bombs • Kelvin • Joules • Newtons • The sun • Q = mcΔT • free Energy • Rusting iron • Denoted as H • Natural rubber • 12g of carbon-12 • A nuclear weapon • Absorption of heat • Pure sodium in water • A chemical reaction produced by an acid • Meth,eth,prop,pentra,hexa,hepta,octa,nona,deca • Amount of heat energy required to change the state of a substance • ...
Chemistry Crossword 2013-03-03
Across
- Has given up electron(s) and its positively charged
- Has more than 1 ion
- Amount of matter in a given volume (mass/volume)
- matter or material of which things can be made
- The number of protons + number of neutrons
- The part of atom that is positively charged
- Electrons that are in the outermost shell of the atom
- Part of atom that is negatively charged
- Forms of the same element that has equal numbers of protons but different numbers of neutrons
- Everything that has mass and volume
- Number of protons in a nucleus of an atom
- The positively charged central core of an atom
- Pure substance made of only one kind of atom
Down
- Pure substances made of more than one kind of atom chemically bonded
- Contains only one kind of matter
- bond A bond in which one atom loses an electron and the other atom gains an electron
- Atom that has gained or lost one or more electrons
- Has gained electron(s) and its negatively charged
- Two or more atoms share valence electrons
- is the study of matter
- Combination of more than one pure substance
- Part of atom that is electrically charged
22 Clues: Has more than 1 ion • is the study of matter • Contains only one kind of matter • Everything that has mass and volume • Part of atom that is negatively charged • Two or more atoms share valence electrons • Number of protons in a nucleus of an atom • Part of atom that is electrically charged • The number of protons + number of neutrons • ...
Chemistry Puzzle 2013-04-29
Across
- The only two letters to not officially appear on the periodic table (2 letters)
- An acid that ionizes slightly in a solution (2 words)
- This type of electromagnetic radiation is used for telecommunications around the world
- The maximum amount of solute that can be dissolved into a solvent at a given temperature
- A name given to all intermolecular forces (4 words)
- A common name for Calcium Carbonate
- This alcohol is commonly digested
- The theoretical boundary around a black hole past which no radiation can escape (2 words)
- The nuclear reaction that takes place in the sun’s core
- Approximate solution for x: The speed of light/The speed of sound = 10x
- The colour with the longest wavelength
Down
- This type of spin is an angular momentum carried by electrons (2 words)
- A base that produces few hydroxide ions when dissolved in water (2 words)
- The smallest length, theoretically (2 words)
- A solid solution of two or more metals
- This subatomic particle is released during beta decay
- This element is added to table salt for its health benefits
- The lowest theoretical temperature (2 words)
- The densest liquid element
- The nucleus of this element is released during alpha decay
- The final part of the standard model to be discovered (2 words)
21 Clues: The densest liquid element • This alcohol is commonly digested • A common name for Calcium Carbonate • The colour with the longest wavelength • A solid solution of two or more metals • The smallest length, theoretically (2 words) • The lowest theoretical temperature (2 words) • A name given to all intermolecular forces (4 words) • ...
Chemistry Crossword 2012-06-09
Across
- a chemical, present at the start of a chemical reaction, that is used up during the reaction
- Bromide the chemical name for LiBr
- Compound a pure substance formed from two or more non-metals
- The Group 2 elements, the most reactive group on the periodic table
- molecule a molecule consisting of only two atoms of either the same or different elements
- rapid reaction of a substance with oxygen to produce oxides
- a compound that separates into ions when it dissolves in water, producing a solution that conducts electricity
- a solid formed from the reaction of two solutions
- Property A characteristic behavior that occurs when the substance changes into something new
- Oxide the chemical name for BaO
- Earth Metals The Group 2 Elements
Down
- electrons outer electrons
- Ion an ion made up of more than one atom that acts as a single particle
- (II) Oxide the chemical name for PbO
- ions with a positive charge
- acid the chemical name for HCI
- for molecular compounds what's the prefix for 4
- Gases The Group 18 elements
- Oxide the chemical name for BeO
- Property a description of a substance that does not involve forming a new substance (colour, texture and density)
- a particle in which atoms are joined by covalent bonds
- Neither acidic or basic; with a pH of 7
- a chemical that is produced during a chemical reaction
- ions that have negative charges
- Bond The attraction that holds oppositely charged ions together in a compound
- Metal The Group 1 Elements
26 Clues: electrons outer electrons • Metal The Group 1 Elements • ions with a positive charge • Gases The Group 18 elements • acid the chemical name for HCI • Oxide the chemical name for BeO • ions that have negative charges • Oxide the chemical name for BaO • Earth Metals The Group 2 Elements • Bromide the chemical name for LiBr • (II) Oxide the chemical name for PbO • ...
Chemistry 2 2012-11-26
Across
- vertical column of elements in the periodic table
- usually found in pools
- simple substances that cannot be broken down into simpler substances
- neutral
- six elements that make up the last group in the periodic table of the elements
- the total mass of the protons and neutrons
- repeating pattern
- used to blow up balloons
- the number of protons found in the nucleus of an atom
- positively charged
- elements that have the properties of luster, ductility, and malleability
Down
- able to be drawn into thin wires
- able to be hammered into different shapes
- shorthand way of writing the names of the elements
- orbit around the nucleus and have negative charge
- horizontal row of elements in the periodic table
- shine
- elements that have none of the properties of metals
- we breath this in everyday
- to light up lights
20 Clues: shine • neutral • repeating pattern • positively charged • to light up lights • usually found in pools • used to blow up balloons • we breath this in everyday • able to be drawn into thin wires • able to be hammered into different shapes • the total mass of the protons and neutrons • horizontal row of elements in the periodic table • vertical column of elements in the periodic table • ...
S1 Chemistry 2013-06-04
Across
- This element is liquid at room temperature
- Two or more atoms joined together
- Solid to liquid
- There are three states of this
- Gas to liquid
- Liquid to gas
- The main gas present in air
- A chemical which has more than one type of atom in it
- The smallest particles that exist
- This element has the chemical symbol Pb
Down
- How atoms move in a solid
- Atoms gain this when heated
- Liquid to solid
- This element has the atomic number 40
- Sodium chloride
- Hydrogen oxide
- This state takes the shape of the bottom of its container
- This type of energy is used to split copper chloride into its elements
- Process by which one substance spreads through another
- This is formed when two or more substances are mixed together without chemically joining
- This element is a gas at room temperature
- How atoms move in a gas
- A substance made up of only one type of atom
- This element has the chemical symbol Fe
- This state takes the shape of its container
- The 'state' of most elements at room temperature
26 Clues: Gas to liquid • Liquid to gas • Hydrogen oxide • Liquid to solid • Sodium chloride • Solid to liquid • How atoms move in a gas • How atoms move in a solid • Atoms gain this when heated • The main gas present in air • There are three states of this • Two or more atoms joined together • The smallest particles that exist • This element has the atomic number 40 • ...
Chemistry Revision 2013-07-15
Across
- The term used to describe electrons in the outer-most shell
- A model that was previously used to describe the structure of an atom (2)
- A common compound made up of Phosphorus and Oxygen atoms
- A type of reaction that involves acids and bases
- Most elements in the periodic table are found in this physical state
- The name used to describe each of the Group VII elements
- The term used to describe a substance that cannot be dissolved
- The scientist who carried out the gold-foil experiment
- A substance that exhibits properties of metals and non-metals
- A particle with no charge found in the nucleus of an atom
- The name given to each element in Group VIII (2)
- Group I elements are knowns as this type of metal
- The name of the scientist who developed the theory of electron shells
- The term that describes an element with the same atomic number but different mass number
Down
- The element that has the atomic number 56
- Non-metals tend to form compounds with this type of bond
- The term that describes the attraction between two atoms as a result of sharing or transferring electrons
- The shorthand way of writing the name of a compound
- A type of indicator
- A type of reaction where compounds breakdown into simpler compounds or elements
- A substance made up of two or more element chemically combined
- A physical property of metals
- The name given to the rows in the periodic table
- An example of this type of substance is soil
- The element with the symbol Zn
- A positively charged species
- The compound, table salt, is formed by this type of bond
- A physical property of non-metals
- The name given to the columns in the periodic table
- The shorthand way of writing the name of an element
30 Clues: A type of indicator • A positively charged species • A physical property of metals • The element with the symbol Zn • A physical property of non-metals • The element that has the atomic number 56 • An example of this type of substance is soil • The name given to the rows in the periodic table • A type of reaction that involves acids and bases • ...
Chemistry Crossword 2013-10-06
Across
- The one in the greater quantity
- A law stating that at constant temperature the volume of gas is inversely proportional to the pressure.
- Reactions in which transfer of electrons takes place.
- refers to the Number of mole of solute per liter.
- Reaction that do not involve any change in valence or oxidation state
- A homogenous mixture of two or more substances where
- This is the process of separating liquid mixtures.
- This is the process of separating colors.
- Having the characteristics of an acid and a base.
- It is the strength of the solution.
- it is the smallest exact value
- A device used for temperature measurements.
- Refers to the #- g. equivalent weight per liter.
- A chemical reaction that absorbs heat.
- it is the smallest estimated value
Down
- Process in which a solid becomes a gas.
- Reaction in which single substance break down into two or more substance.
- A Change that alters the composition of a substance.
- A type of flame that has an incomplete combustion.
- determined by the number of electrons the atom will lose, gain, or share
- Refers to the weight in grams of a substance or solution which supply one reacting unit
- Indicator that detects Acid, Base or Neutral
- Also called synthesis. The reaction in which two or more substance combine
- A law stating that matter can neither be created nor destroyed but can be converted from one form to another.
- A physical property of solution that depends quantitatively upon the number of particles of solute present in a solution
- These are liquids which can’t be separated, they co-distill one another.
- Refers to the number of moles of solute per kg. of solution
- A chemical reaction that release heat at the time of their occurrence
- A flask that is very accurate for volume measurement..
- The other in less quantity
30 Clues: The other in less quantity • it is the smallest exact value • The one in the greater quantity • it is the smallest estimated value • It is the strength of the solution. • A chemical reaction that absorbs heat. • Process in which a solid becomes a gas. • This is the process of separating colors. • A device used for temperature measurements. • ...
chemistry vocabulary 2013-10-10
Across
- the number of positive charges of protons in the nucleus of an atom of a given element
- any of two or more forms of a chemical element
- any element in group 2 of the periodic table
- an ionic bond is a chemical link between two atoms caused by an electrostatic force
- samples of a pure compound always contain the same elements
- any of the set of metallic elements in groups 4-12 of the periodic table
- molecules composed only of two metals
- any element in group 17 of the periodic table
- a positively charged elementary that is a fundamental constituent of all atomic nuclei
Down
- an element whose properties are intermediate between metals and solid non metals
- an ionic species having a negative charge
- a representation of a substance using symbols for its constituent elements
- theory that matter consists of of invisible particles called atoms
- a table of chemical elements arranged in order of atomic number
- any of the elements in group ia 1 of the periodic table
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- a positively charged ion
- any of the gases in group O (18) of the periodic table
- a fundamental group of atoms in a molecule serving as a base
- the integer number nearest in value to the atomic weight of an atom and equal to the number of nucleons
- an elementary particle that is a fundamental constituent of matter
21 Clues: a positively charged ion • molecules composed only of two metals • an ionic species having a negative charge • any element in group 2 of the periodic table • any element in group 17 of the periodic table • any of two or more forms of a chemical element • any of the gases in group O (18) of the periodic table • any of the elements in group ia 1 of the periodic table • ...
Chemistry Crossword 2013-06-03
Across
- The colour with the longest wavelength
- The only two letters to not officially appear on the periodic table (Alphabetically)
- The final part of the standard model to be discovered (2 words)
- This metal is used in pipes and wires
- This element is the most conductive metal, but comes at a price
- A common name for Calcium Carbonate
- The smallest length, theoretically (2 words)
- The maximum amount of solute that can be dissolved into a solvent at a given temperature
- The nuclear reaction that takes place in the sun’s core
- This element is added to table salt for its health benefits
- A base that produces few hydroxide ions when dissolved in water (2 words)
- All intermolecular bonds are caused by ___ ___ ___ forces (3 words)
- The densest liquid element
- This type of electromagnetic radiation is used for telecommunications around the world
- The most common isotope of this element is 238
Down
- Clues/Answers
- This type of spin is an angular momentum carried by electrons (2 words)
- The nucleus of this element is released during alpha decay
- The term used to describe a complete valence shell
- This type of alcohol is commonly consumed
- The lowest theoretical temperature (2 words)
- A solid solution of two or more metals
- An acid that ionizes slightly in a solution (2 words)
- This subatomic particle is released during beta decay
- Many computer chips are made from this element
25 Clues: Clues/Answers • The densest liquid element • A common name for Calcium Carbonate • This metal is used in pipes and wires • The colour with the longest wavelength • A solid solution of two or more metals • This type of alcohol is commonly consumed • The smallest length, theoretically (2 words) • The lowest theoretical temperature (2 words) • ...
11 CHEMISTRY 2013-08-15
Across
- Part of a mixture that passes through filter paper.
- Scienctist who determined atomic number was fundamental property of elements.
- Loss of electrons from an atom or ion.
- Weak force between molecules.
- Resource that can be replaced in less than a generation.
- Separation process based on difference in boiling points.
- Analysis based on measuring masses of components of a mixture.
- A heterogeneous mixture.
- First alloy to be used by man.
- Type of bond between ammonia and water molecules.
- Flask used to prepare a standard solution.
- This effect influences the atomic size down a group.
Down
- Ability of an element to attact electrons to itself when bonding.
- Group 7 in the Periodic Table.
- Method used to concentrate copper minerals before smelting.
- Ration between the mass of a substance and the volume that it occupies.
- Concentration of a solution.
- Gain of electrons by an atom or ion.
- Energy required to remove the most loosely held electron from a gaseous atom.
- Force between a liquid and solid surface.
- Formula showing simplest whole number ratio of atoms in a compound.
- Resistance to flow of a liquid.
- Reuse many times over.
23 Clues: Reuse many times over. • A heterogeneous mixture. • Concentration of a solution. • Weak force between molecules. • Group 7 in the Periodic Table. • First alloy to be used by man. • Resistance to flow of a liquid. • Gain of electrons by an atom or ion. • Loss of electrons from an atom or ion. • Force between a liquid and solid surface. • ...
Chemistry Recap 2013-05-22
Across
- Changing from solid to liquid through heating
- Able to dissolve in a solvent
- Changing from gas to liquid through cooling
- The formation of crystals by cooling a saturated solution
- Changing from liquid to gas through heating
- Unable to dissolve in a solvent
- State of matter that has a definite shape
- Changing from liquid to solid through cooling
Down
- Anything that occupies space and has mass
- Two or more substances mingled together but not chemically combined
- When no more solute is able to dissolve in a solution it is said to be
- Movement of particles from area of high concentration to low concentration
- When there is a large amount solute the solution is this
- State of matter that can be compressed
- The liquid that is captured during distillation
- A method used to separate a soluble solid from a liquid
- Used to separate an insoluble solid from a liquid
- Increasing this in a solution can increase the solubility
- When there is little solute and lots of solvent the solution is this
- State of matter that does not have a definite shape but cannot be compressed
- What you get when you mix a solute and solvent
21 Clues: Able to dissolve in a solvent • Unable to dissolve in a solvent • State of matter that can be compressed • Anything that occupies space and has mass • State of matter that has a definite shape • Changing from gas to liquid through cooling • Changing from liquid to gas through heating • Changing from solid to liquid through heating • ...
A2 Chemistry 2013-12-19
Across
- not the fancy shape but the planar one
- the ion with the highest m/z
- the conditions for making a carboxylic acid
- stop the reactions
- iron(III) hydroxide
- from nucleophilic substitution of an aldehyde
- the conditions for making an aldehyde
- iron(II) hydroxide
- a type of chemistry used in drug synthesis
- double the concentration double the rate, not out of order but
- hydrogen bonds between C and G
- orange and blue
- provide a surface for the reaction
- read 3 bases
- start with an aldehyde or ketone and end with an alcohol
- mmmmmmmm, smells nice
- copper(II) hydroxide
- attach to the central metal ion
Down
- 4, none the same on the centre
- a thin, protective layer is applied
- often formed during catalysis
- to be as pure as the driven snow
- put the manganate here
- the overall shape
- all others measured against this
- plus one minus one
- the half life for first order
- sugar phosphate base
- add this to test for a carboxylic acid
- master those half equations with this acronym
- positively phenol
- can be acid or alkali
32 Clues: read 3 bases • orange and blue • the overall shape • positively phenol • stop the reactions • plus one minus one • iron(II) hydroxide • iron(III) hydroxide • sugar phosphate base • copper(II) hydroxide • can be acid or alkali • mmmmmmmm, smells nice • put the manganate here • the ion with the highest m/z • often formed during catalysis • the half life for first order • ...
A2 Chemistry 2013-12-19
Across
- positively phenol
- orange and blue
- copper(II) hydroxide
- the conditions for making a carboxylic acid
- hydrogen bonds between C and G
- often formed during catalysis
- a thin, protective layer is applied
- all others measured against this
- the ion with the highest m/z
- a type of chemistry used in drug synthesis
- master those half equations with this acronym
- can be acid or alkali
- the overall shape
- put the manganate here
- 4, none the same on the centre
- the half life for first order
Down
- sugar phosphate base
- to be as pure as the driven snow
- stop the reactions
- start with an aldehyde or ketone and end with an alcohol
- provide a surface for the reaction
- plus one minus one
- mmmmmmmm, smells nice
- the conditions for making an aldehyde
- attach to the central metal ion
- not the fancy shape but the planar one
- iron(II) hydroxide
- iron(III) hydroxide
- add this to test for a carboxylic acid
- from nucleophilic substitution of an aldehyde
- double the concentration double the rate, not out of order but
- read 3 bases
32 Clues: read 3 bases • orange and blue • positively phenol • the overall shape • stop the reactions • plus one minus one • iron(II) hydroxide • iron(III) hydroxide • sugar phosphate base • copper(II) hydroxide • mmmmmmmm, smells nice • can be acid or alkali • put the manganate here • the ion with the highest m/z • often formed during catalysis • the half life for first order • ...
CHEMISTRY PUZZLE 2014-02-22
Across
- : anions
- : base
- : prot
- solid
- ionization
- : radio
- : atom
- : solvent
- : compound
- : solute
- torr
- : theory
- : acid
- thermo
- : element
- : coval
- tyndall
- : neut
- : node
- : alco hol
- : buret
- : boil
- : kelvi
Down
- vapor
- light
- : mass
- : anode
- : sublimination
- : ion
- : stp
- : metalloid
- : prod
- nucleus
- : barometer
- : combust
- : condense
- : temper
- : salt
- : colloid
- : cation
- : halogen
- : melting
- : gas
- : freezing
- : system
- : volatile
- metal
- : cathode
- : nucleon
- : period
50 Clues: torr • vapor • light • : ion • : stp • solid • : gas • metal • : mass • : base • : prot • : prod • : salt • : atom • : acid • thermo • : neut • : node • : boil • : anode • nucleus • : radio • : coval • tyndall • : buret • : kelvi • : anions • : temper • : solute • : cation • : theory • : system • : period • : combust • : solvent • : colloid • : halogen • : melting • : element • : cathode • : nucleon • ionization • : condense • : compound • : freezing • : volatile • : alco hol • ...
Basic Chemistry 2014-04-03
Across
- Negatively charged ions?
- Molecules bond in which atoms share electrons?
- Uncharged or neutral particles?
- How many electrons can hold second shell?
- When two or more atoms combined chemically together it is called?
- The number of ______ is always equal to the number of electrons.
- Atom is the basic building block of all_____?
- Compounds formed by ionic bonding?
- Location of the electrons?
Down
- Outermost shell in the atom?
- Charged particles are called?
- How many electrons in the first shell that is close to nucleus?
- What is the name of chemical symbol Mg?
- First letter of a chemical symbol is always__________?
- Two or more different atoms bind together to form molecule?
- Element that have same # of protons but different # of neutrons?
- Positively charged atom?
- Anything that occupies space and has mass?
- Proton and electrons located in ?
- Chemical shorthand called atomic______?
20 Clues: Negatively charged ions? • Positively charged atom? • Location of the electrons? • Outermost shell in the atom? • Charged particles are called? • Uncharged or neutral particles? • Proton and electrons located in ? • Compounds formed by ionic bonding? • What is the name of chemical symbol Mg? • Chemical shorthand called atomic______? • How many electrons can hold second shell? • ...
chemistry pogi 2014-02-18
Across
- tube
- bottles
- concentration, is defined as the amount of a constituent
- From the Latin word 'cyprium', after the island of Cyprus.
- is a compressible fluid
- and Pestle
- table is a tabular arrangement of the chemical elements, organized on the basis of their atomic numbers, electron configurations (electron shell model), and recurring chemical properties
- attitude of a scientist is that everything happens in the world for a reason
- pipette
- From the Greek word 'hydrargyros' meaning 'water' and 'silver'.
- From the German word 'Wolfram'. Ancient alchemists called the metal "spuma lupi," the Latin words for 'wolf foam' which was translated to the word "wolframite" in allusion to the objectionable scum or substance formed during the smelting of tin ores containing tungsten.
- From the Latin word 'aurum' meaning gold.
- to pick large amount of solution
Down
- From the Latin word 'argentum' meaning silver.
- frame with porcelain used to support the crucible
- does not have definite shape or volume
- b (or m), of a solution is defined as the amount of substance
- a branch of physical science, is the study of the composition, structure, properties and change of matter
- From the Medieval Latin word 'kalium' meaning potash (pot ashes).
- From the Latin word 'ferrum' meaning iron.
- From the Latin word 'plumbum' meaning lead.
- From the Greek words 'anti' and 'monos' meaning "opposed to solitude".
- is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure.
- triangle-
- From the Latin word 'stannum' meaning tin
- the particles (ions, atoms or molecules) are closely packed together
26 Clues: tube • bottles • pipette • triangle- • and Pestle • is a compressible fluid • to pick large amount of solution • does not have definite shape or volume • From the Latin word 'stannum' meaning tin • From the Latin word 'aurum' meaning gold. • From the Latin word 'ferrum' meaning iron. • From the Latin word 'plumbum' meaning lead. • From the Latin word 'argentum' meaning silver. • ...
Chemistry Crossword 2014-01-21
Across
- A negatively charged ion
- the _____side represents the products
- Rows in the periodic table
- Group 17
- Are cations metals or non-metals?
- how easily a liquid flows
- the number written in front of a chemical symbol or formula
- Describes an object as being shiny or dull
- NH3
- What are we generally call H2O?
- the_____side of the equation represents the reactants
Down
- the change in the same size or form of a substance
- O3
- which equation is one way of representing a chemical reaction?
- mass divided by volume
- What charge does a cation have?
- A column of elements in the periodic table?
- substances or vapors that can deteriorate or eat away the surface of another material
- substances,usually liquids. that can readily ignite in a wide range of temperature conditions
- this type of bond from the sharing of electrons
20 Clues: O3 • NH3 • Group 17 • mass divided by volume • A negatively charged ion • how easily a liquid flows • Rows in the periodic table • What charge does a cation have? • What are we generally call H2O? • Are cations metals or non-metals? • the _____side represents the products • Describes an object as being shiny or dull • A column of elements in the periodic table? • ...
Consumer Chemistry 2014-08-05
Across
- Group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine, and astatine
- Type of hydrocarbon that does not contain benzene ring
- Shows the arrangememt of the atoms within the molecules as far as which atoms are bonded to which and whether single, double, triple bonds are used
- Type of chemical formula that show the symbols for the elements combined in a compound with subscripts showing the smallest whole number ratio of the different atoms in the compound
- anything that occupies space and mass
- Organic compounds that contain Hydrogen and Carbon
- Consist only of hydrogen and carbon atoms and all bonds are single bonds.
- Charged atom
- Covalent bonding of an element itself to form long chains or rings
- isomers The order of atom bonding is the same but the atoms are arranged differently in space
- Organic chemical urea
- An alkane missing one hydrogen
- bond A chemical bond that involves transfer of electron to atoms
Down
- A type of carbon bonding where the carbon are attached to one another to form a ________.
- This is where the electron is located
- They have single bonds
- A substance which can be broken down into simpler substances by ordinary chemical means
- Compounds that have the same molecular formula but different structural formula
- Allotrope of carbon that is also called bucky ball.
- The hardest material known
- Type of hydrocarbon that contains benzene ring
- bond A chemical bond that involves the sharing of electron pairs between atoms
- Simplest alkene
- CI
- Alkane that has 10 carbon atoms and 22 Hydrogen atoms
- 2 or more from of the same element that differ significantly in chemical and physical properties
- alkynes Alkynes having triple bond in the last carbon atom
- CH2CH3
- Found in nature as an element or in compound form. It is present in all living matter
29 Clues: CI • CH2CH3 • Charged atom • Simplest alkene • Organic chemical urea • They have single bonds • The hardest material known • An alkane missing one hydrogen • This is where the electron is located • anything that occupies space and mass • Type of hydrocarbon that contains benzene ring • Organic compounds that contain Hydrogen and Carbon • ...
Chemistry Crossword 2014-11-06
Across
- positively charged centre of an atom; contains protons and neutrons
- the smallest part of an element that is representative of the element
- group 1 element in the periodic table, not including hydrogen; most reactive of the metals
- a system of easy-to-see warning symbols on hazardous materials
- group 17 elements in the periodic table; the most reactive non-metals
- characteristics that can be used to describe a substance
- homogeneous mixture; mixture of two or more pure substances that looks like one substance
- substance that helps a chemical reaction to proceed more quickly
- combination of symbols that represent a compound
- dull,brittle element that does not conduct electricity
- characteristic that describes a particular substance
- chemical reaction that absorbs energy
- refers to three common states in which matter can exist: solid, liquid, and gas
- is anything that has mass and occupies space
Down
- change of state from solid to a gas
- element that has both metallic and non-metallic properties
- a table in which the elements are organized by their physical and chemical properties
- cloudy mixture in which tiny particles of one substance are held within one another, and the particles can be separated out
- pure substance formed when at least one metal and one non-metal combine
- property that describes the physical appearance and composition of a substance
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
- change of state from a solid to a liquid
- an experiment in which one or more products of chemical reaction can escape
- positively charged particle in the nucleus of an atom
- fourth state of matter
25 Clues: fourth state of matter • change of state from solid to a gas • chemical reaction that absorbs energy • change of state from a solid to a liquid • is anything that has mass and occupies space • combination of symbols that represent a compound • characteristic that describes a particular substance • positively charged particle in the nucleus of an atom • ...
Chemistry crossword 2014-11-07
Across
- Early 1900's Protons and electrons
- New substance formed between 2 reactants
- Group 1, unique element
- 18 columns
- Group of atoms acting as one
- defines how many protons an element has
- Made up of one type of substance
- 1898-1907 British scientist
- Early 1900's electron shells
- In between non-metals/metals
Down
- 1904 planetary model
- Greek word- to go or wander
- 7 rows
- Made up of two or more substances
- When a non-metal and metal combine
- Most stable non-metals
- Chemical combination of two or more elements
- When two non-metals combine
- Most reactive metals
- Anything on the periodic table
- 1808 Billiard ball model
- The average mass of an element
- 1847 raisin bun model
- Represents the number of atoms in a chemical formula
- 2 or more substances that form a product
- Mixture of 2 or more substances that look like one
- Most reactive non-metals
27 Clues: 7 rows • 18 columns • 1904 planetary model • Most reactive metals • 1847 raisin bun model • Most stable non-metals • Group 1, unique element • 1808 Billiard ball model • Most reactive non-metals • Greek word- to go or wander • When two non-metals combine • 1898-1907 British scientist • Group of atoms acting as one • Early 1900's electron shells • In between non-metals/metals • ...
Chemistry Lab 2014-11-07
Across
- cloudy mixture in which tiny particles of one substance are held within another cannot be separated
- Group 17
- liquid at room temperature is also a planets name
- Number of protons in an elements nucleus
- Group 2
- Period 4, Group 17
- columns in the periodic table
- positively charged particle in the nucleus of a atom
- when the charges are balanced in a compound
- used only sinmplestones and bones during this time to make tools and other things they needed
- how heavy one element of an atom is
- are a shiny solid
Down
- rows in the periodic table
- non reversible reactions that creates a precipitate and or odour
- two non-metals being combined in a compound
- homogeneous mixture
- heterogeneous mixture
- change in appearance or state of the substance and is reversible
- pure substance that cannot be broken down into other substances and is on the periodic table
- Group 1
- cloudy mixture in which tiny particles are within a substance and can be separated
- Group 18
- have both metallic and non metallic properties
- Neutral particle in the nucleus of a atom
- can be a solid or a gas
25 Clues: Group 2 • Group 1 • Group 17 • Group 18 • are a shiny solid • Period 4, Group 17 • homogeneous mixture • heterogeneous mixture • can be a solid or a gas • rows in the periodic table • columns in the periodic table • how heavy one element of an atom is • Number of protons in an elements nucleus • Neutral particle in the nucleus of a atom • two non-metals being combined in a compound • ...
Chemistry Crossword 2014-11-07
Across
- If you win 1st in the Olympics
- Pure substance
- most reactive of the metals
- Experiment where products or chemical reactions can escape
- You use this element to clean swimming pools
- Liquid at room temperature
- have both metallic and non-metallic properties
- non metal + non metal
- most reactive non metals
- It is present in Bananas
- releases heat
- mass of one atom of an element
Down
- What you breathe in
- "the presence of a ________ can affect the reaction rate"
- metal + non metal
- Makes your bones stronger
- Substances in a chemical reaction
- Name of a planet and liquid at room temperature
- If you win 2nd in the Olympics
- absorbs heat
- ________ + Chlorine = NaCl
- most stable and un-reactive elements
- New substance made in a chemical reaction
- Your voice sounds high pitched when you consume it
- shiny, malleable and ductile
25 Clues: absorbs heat • releases heat • Pure substance • metal + non metal • What you breathe in • non metal + non metal • most reactive non metals • It is present in Bananas • Makes your bones stronger • Liquid at room temperature • ________ + Chlorine = NaCl • most reactive of the metals • shiny, malleable and ductile • If you win 1st in the Olympics • If you win 2nd in the Olympics • ...
Chemistry Crossword 2014-11-07
Across
- Positively charged particle located in the nucleus of an atom.
- Slow chemical reaction that occurs when oxygen in the air reacts with a metal.
- An atom that has lost or gained electrons to become electrically charged.
- A group in the periodic table that is made up of the most stable and nonreactive elements.
- A substance that reacts with another substance(s) to form a new substance with different properties.
- An experiment where all of the products of a chemical reaction are accounted for.
- A pure substance that has one type of atom and cannot be broken down.
- Vertical column of elements in the periodic table
- A group in the periodic table that is made up of the most reactive metals.
- An organic catalyst that speeds up reaction in living beings.
- Substance that speeds up a chemical reaction.
Down
- Number of protons in a nucleus of 1 atom of an element.
- A physical property that determines how well a solid can be stretched into a wire.
- An element that does not conduct electricity. Is dull & brittle.
- An experiment where the products of a chemical reaction can escape.
- A particle in the centre of an atom that is neutral.
- An element in the periodic table with both metallic & non-metallic properties.
- The centre of an atom that is positively charged with neutons & protons.
- Fast chemical reaction that occurs when oxygen reacts with a substance and gives off heat.
- A compound represented by symbols.
- Invisible negatively charged particles that orbits an atoms nucleus.
- A group of non-metals in the periodic table that are the most reactive.
- Amount of mass in a given volume of a substance.
- The smallest part of an element in which it represents. It is made up of a nucleus containing protons & neutrons.
24 Clues: A compound represented by symbols. • Substance that speeds up a chemical reaction. • Amount of mass in a given volume of a substance. • Vertical column of elements in the periodic table • A particle in the centre of an atom that is neutral. • Number of protons in a nucleus of 1 atom of an element. • An organic catalyst that speeds up reaction in living beings. • ...
Chemistry Crossword 2014-11-07
Across
- Group 17 elements in the periodic table; most reactive non-metals.
- Combination on 2 elements.
- Anything that has a mass and occupies space.
- Slow chemical reaction when a metal combines with oxygen.
- The Law that says the total mass of the products equals the mass of the reactants.
- Pure substance formed when at least 1 metal and 1 non-metal combine.
- Pure substance that can not be broken down into other substances; substance made up of only 1 type of atom
- Catalyst involved in chemical reactions in living things.
- Property that describes the appearance and composition of a substance.
- An atom that has become electrically charged because of the loss or gain of an electron.
- A system of easy-to-see warning symbols on hazardous materials
- chemical reaction that releases heat energy.
Down
- Change in the appearance or state of a substance that does not change the composition.
- An experiment in which all reactants and all products are accounted for.
- Number of protons and in the nucleus of one atom of an element.
- A table in which elements are organized by their physical and chemical properties.
- Property that describes how a substance interacts with another substance.
- Pure substance formed when non-metals combine.
- Ability of a substance to conduct heat or electricity.
- Chemical reaction that takes place in cell; food (sugar) reacts with oxygen to produce energy, water and carbon dioxide.
- An experiment in which 1+ products of a chemical reaction can escape.
- Change that results from 2+ substances to create a new substance; the new substance will have different properties from the original one.
- chemical reaction that absorbs heat energy.
- Mass of 1 element of an element calculated from the total number of protons, neutrons, and electrons of that atom.
- Substance that helps a chemical reaction proceed more quickly.
25 Clues: Combination on 2 elements. • chemical reaction that absorbs heat energy. • Anything that has a mass and occupies space. • chemical reaction that releases heat energy. • Pure substance formed when non-metals combine. • Ability of a substance to conduct heat or electricity. • Slow chemical reaction when a metal combines with oxygen. • ...
Chemistry UnitB 2014-11-06
Across
- horizontal row of elements in the periodic table
- shiny,malleable,ductile element that conducts electricity
- principle that matter is not created or destroyed in a chemical reaction
- ability to be stretched into wire
- the smallest part of an element that is representative of that element
- number of protons in the nucleus of an element
- positively charged center of an atom
- group 2 elements in the periodic table
- dull brittle element that does not conduct electricity
- an experiment in which all parts of a chemical reaction are accounted for
- atom that is electrically charged
- ability to be pounded into sheets
- description of how a substance interacts with other substances
- pure substance that cannot be broken down
- slow chemical change when oxygen reacts with a metal
- combination of symbols that represent a compound
- pure substance formed from a metal and non-metal
- absorbs energy (cold)
- workplace hazardous materials information system
- releases energy (warm)
Down
- experiment in which products can escape a chemical reaction
- negatively charged particle
- group 17 of the periodic table
- substance that helps a chemical reaction to proceed quicker
- chemical reaction that takes place in cells
- element has both metallic and non-metallic properties
- catalyst involved in chemical reactions in living things
- chemical combination of two or more elements
- group 18 of the periodic table
- group 1 metals in the periodic table
- pure substance formed when non-metals combine
- change that results when substances react to create a different substance
- reaction that occurs when oxygen reacts with a substance to form a new substance
- chemical name of CO
- mass of one atom of an element
35 Clues: chemical name of CO • absorbs energy (cold) • releases energy (warm) • negatively charged particle • group 17 of the periodic table • group 18 of the periodic table • mass of one atom of an element • ability to be stretched into wire • atom that is electrically charged • ability to be pounded into sheets • positively charged center of an atom • group 1 metals in the periodic table • ...
Chemistry Terms 2014-06-25
Across
- Rightmost elements on the periodic table
- The study of matter
- A substance made of only one type of molecule
- Negatively charged subatomic particles
- Neutal subatomic particles
- A substance made of more than one type of molecule
- Group II - ____________ earth metals
- Leftmost elements on the periodic table
- Positively charged subatomic particles
- Group I - ____________ metals
Down
- Group VIII - ____________ gases
- Group VII
- A substance made of more than one type of atom
- The smallest unit of a substance that has the properties of that substance
- Vertical grouping of elements
- A substance made of one type of atom
- Anything that has mass and takes up space
- The number of protons or electrons in a neutral state for an element - _______________ number
- Horizontal grouping of elements
- The building block of matter
20 Clues: Group VII • The study of matter • Neutal subatomic particles • The building block of matter • Vertical grouping of elements • Group I - ____________ metals • Group VIII - ____________ gases • Horizontal grouping of elements • A substance made of one type of atom • Group II - ____________ earth metals • Negatively charged subatomic particles • Positively charged subatomic particles • ...
Chemistry Capers 2014-05-14
Across
- A pure substance of two or more elements
- A particle with atoms joined by covalent bonds
- Multiple atoms in a single particle
- An aqueous solution (tastes sour, turns litmus paper red, conducts electricity)
- A combustion that produces C, CO, CO2, H2O and energy (oxygen is limited)
- A compound that separates into ions in water
- magnesium oxide
- A solid formed from the reaction of two solutions
- pH of 7
- The reaction of an acid and base, which form a salt and water
- A molecule of two same or different atoms
- The rapid reaction of a substance with oxygen (produces oxides and energy)
- PO4
- The breakdown of a metal from reactions with chemicals in environment
- NO3
Down
- The corrosion of iron and steel
- NH4
- A reaction in which a complex molecule breaks to form two simpler products
- The bond of positive and negative ions attracting
- The bond of sharing outer electrons between non-metals
- An aqueous solution (tastes bitter, turns litmus paper blue, conducts electricity)
- Law of ____________ of mass
- The coating of a metal with an outer later of zinc (steel is usually coated)
- 2Fe + O2
- A combustion which uses all available full (oxygen is plentiful)
- In single displacement, A + BC will form ________
- The base added to lakes to reduce acid levels
- A reaction in which two reactants combine to create more complex product
- pH scale goes from one to ___________
- sodium hydroxide
30 Clues: NH4 • PO4 • NO3 • pH of 7 • 2Fe + O2 • magnesium oxide • sodium hydroxide • Law of ____________ of mass • The corrosion of iron and steel • Multiple atoms in a single particle • pH scale goes from one to ___________ • A pure substance of two or more elements • A molecule of two same or different atoms • A compound that separates into ions in water • ...
Chemistry Crossword 2015-09-21
Across
- What is the centre of an atom called?
- What is the positive charge in an atom?
- What will happen to the pressure inside of a sealed tube if you raise the temperature?
- True or false? Bases have a pH level below 7.
- Name a force that keeps molecules together.
- K is the chemical symbol for which element?
- What is the first element on the periodic table?
- What is the name of the compound NaCl?
- How many electrons in a Hydrogen (H) atom?
- True or false? Acids have a pH level below 7.
- Famous New Zealand scientist Ernest Rutherford was awarded a Nobel Prize in which field?
- Which is an example of a crystal lattice?
- What is H20 more commonly known as?
- What is the scientific name of water in a gas form?
Down
- How many neutrons in a Hydrogen (H) atom?
- What is the third most common gas found in the air we breathe?
- What is the negative charge in an atom?
- What has no electrical charge in the atom?
- What orbits the nucleus of an atom?
- What do the letters "amu" stand for?
- True or false? A proton carries a positive charge.
- Atoms of the same chemical element that have different atomic mass are known as?
- What is the chemical symbol for gold?
- How many atoms are in a water molecule?
- What is the main gas found in the air we breathe?
- At room temperature, what is the only metal that is in liquid form?
- Can an element be broken down into a simpler substance?
- What is the name given to substances that are initially involved in a chemical reaction?
- Is sodium hydroxide (NaOH) an acid or base?
29 Clues: What orbits the nucleus of an atom? • What is H20 more commonly known as? • What do the letters "amu" stand for? • What is the centre of an atom called? • What is the chemical symbol for gold? • What is the name of the compound NaCl? • What is the negative charge in an atom? • What is the positive charge in an atom? • How many atoms are in a water molecule? • ...
Chemistry vocabulary 2015-02-02
Across
- the region in an atom where the electrons are found is called the electron ________________
- row of the periodic table
- inert element in group 18
- created by two or more atoms attached with chemical bonds
- column in the periodic table
- prefix that means 4 when used in naming covalent compounds
- electron on the outside of an atom
- atoms that lose electrons will have a ______________ charge
- element with 54 protons
- element found on the right side of the jagged line on the periodic table
- charge of a neutron
- element in group 17
- atom with a charge
- scientist who created the first periodic table
- not reactive
Down
- positive subatomic particle in an atom
- small number in a chemical formula
- substance created in a reaction
- substance at the start of a reaction
- elements in group 1 are called _______________metals
- subatomic particle involved in bonding
- type of bond where atoms share electrons
- charge of an ion
- atoms want to have 8 valence electrons
- atoms with 5, 6, or 7 electrons will _________ electrons to fulfill the octet rule
- type of bond where atoms transfer electrons
- element found touching the jagged line on the period table
- element found on the left side of the jagged line on the periodic table
28 Clues: not reactive • charge of an ion • atom with a charge • charge of a neutron • element in group 17 • element with 54 protons • row of the periodic table • inert element in group 18 • column in the periodic table • substance created in a reaction • small number in a chemical formula • electron on the outside of an atom • substance at the start of a reaction • ...
Chemistry Review 2015-03-18
Across
- Group 1 elements
- is _ notation
- measure of gravitational pull
- sum of atomic masses
- Hydrogen's oxidation number is -_
- A _ ion is a cation
- naming system
- horizontal row on periodic table
- A + X yields to AX in _
- D bloc metals are _ elements
- method: approach to problems
- NH4 is an _ ion
- electrons occupy the _ orbital
- length * width * height
Down
- amount of matter
- AX yields to A + X in _
- smallest particle of an element
- Uncertainty principle
- Group 18 elements
- state opposite of excited state
- Invented periodic table
- 6.022*10^23 named after him
- mol stands for
- # before chem. equations
- number total protons and neutrons
- Study of matter
- bond formed by sharing
- _ changes in chemical reactions
- vertical column on periodic table
- broad generalization
- Lewis structures follow _ rule
- atomic number of 5
32 Clues: is _ notation • naming system • mol stands for • Study of matter • NH4 is an _ ion • amount of matter • Group 1 elements • Group 18 elements • atomic number of 5 • A _ ion is a cation • sum of atomic masses • broad generalization • Uncertainty principle • bond formed by sharing • AX yields to A + X in _ • Invented periodic table • A + X yields to AX in _ • length * width * height • ...
Chemistry a 2015-07-14
Across
- Has a fixed volume but is not rigid in shape
- a chemical element with properties in between, or that are a mixture of, those of metals and nonmetals
- Good conductor of heat and electricity
- A transfer of electrons between a metal and non metal
- Contain two or more elements or kinds of atom combined definite proportion by mass
- A mixture consist of two or more phases
- The one who made Phum Pudding.
- Has neither a fixed volume nor a shape.
- is characterized by structural rigidity and resistance to changes of shape or volume.
Down
- James Chadwick atomic theory
- Interaction between elements, which are metallic
- A mixture consist of only one phase
- a gas that has been energized to the point that some of the electrons break free from, but travel with, their nucleus.
- Electron sharing between non metals
- A type of matter that cannot be broken down into two or more pure substance
- The one who made Indestructable Sphere
- conceived the ultimate reality as the unity of four permanent elements which he called “roots”: water, earth, air, and fire
- JJ Thompson Atomic theory
- Ernest rutherfod Atomic theory
- Leucepus & Democritus Theory
20 Clues: JJ Thompson Atomic theory • James Chadwick atomic theory • Leucepus & Democritus Theory • Ernest rutherfod Atomic theory • The one who made Phum Pudding. • A mixture consist of only one phase • Electron sharing between non metals • Good conductor of heat and electricity • The one who made Indestructable Sphere • A mixture consist of two or more phases • ...
Chemistry test 2015-02-03
Across
- Protons and neutrons in the atom
- Positive subatomic particle
- Paper used to measure pH
- Solute plus solvent equals a _______
- Produces OH- ions in solution
- Eye protection
- A test in the laboratory
- An atom or molecule with an electric charge
- Metric prefix 10^-6
- cylindrical glass container
- K
- Heavy hydrogen
- Measures the pressure
- 6.022x10^23
- A substance which cannot be broken down by chemical means
- A nucleus orbited by electrons
Down
- Bunsen _______
- Negatively charged particle
- Positively charged particle
- Negative subatomic particle
- Same element but different number of neutrons
- Metric prefix 10^-2
- Na
- Might be calibrated in Fahrenheit or Celsius
- Used to measure mass
- Cu
- Metric prefix 10^-3
- Metric prefix 10^3
- Neutral subatomic particle
- Produces H+ ions in solution
- Combination of two or more atoms
- Metric prefix 10^-9
32 Clues: K • Na • Cu • 6.022x10^23 • Bunsen _______ • Eye protection • Heavy hydrogen • Metric prefix 10^3 • Metric prefix 10^-2 • Metric prefix 10^-3 • Metric prefix 10^-6 • Metric prefix 10^-9 • Used to measure mass • Measures the pressure • Paper used to measure pH • A test in the laboratory • Neutral subatomic particle • Negatively charged particle • Positively charged particle • Negative subatomic particle • ...
Chemistry crossword 2015-01-11
Across
- substance that has a pH less than 7 when it is in aqueous solution
- (atomic) central core in an atom, composed of protons and neutrons.
- describes a substance with a pH of 7 when in aqueous solution
- measure of the average mass of an atom of an element
- member of the family of non-metal gases that are colorless, odorless, and unreactive
- the outermost electrons of an atom, which are located in electron shells
- one of the states of matter, where the molecules are packed close together
- new substance formed during a chemical reaction
- subatomic particle that has a positive chrge of 1+
- a solid that is packed with ions, molecules or atoms in an orderly fashion
- combination of pure substances
Down
- a molecule that has gained or lost one or more electrons
- chemical reaction between an acid and a base that produces water and a salt
- material that allows electric flow more freely
- number of protons in an atom of an element
- when a substance is below the critical temperature while in the gas phase
- subatomic particle that is neutral
- substance that has a pH of greater than 7 when it is in aqueous solution
- group 1 on the periodic table
- illustration of an atom that shows the arrangement and number of electrons in each shell
- horizontal row of the periodic table
21 Clues: group 1 on the periodic table • combination of pure substances • subatomic particle that is neutral • horizontal row of the periodic table • number of protons in an atom of an element • material that allows electric flow more freely • new substance formed during a chemical reaction • subatomic particle that has a positive chrge of 1+ • ...
Chemistry Vocab 2021-10-07
Across
- the minor component in a solution, dissolved in the solvent.
- a biological catalyst
- a molecule or ion capable of either donating a proton
- building blocks, of DNA and RNA
- a naturally occurring, extremely complex substance that consists of amino acid residues joined by peptide bonds.
- substances which react with acids
- species formed from chemical reactions
- a material made up of two or more different Chemical substance/substances
- the positively charged central core of an atom
- a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
- organic compounds that contain amino and carboxylate functional groups,
- a substance that dissolves a solute
- a stable negatively charged component of an atom.
- atoms or small molecules that bond together to form more complex structures
- an underlying substance or layer.
- large group of organic compounds occurring in foods and living tissues
- The basic unit of matter
Down
- a group of atoms bonded together
- the tendency of dissimilar particles or surfaces to cling to one another
- a special type of homogeneous mixture composed of two or more substances
- a chemical bond that involves the sharing of electron pairs between atoms
- a chemical substance composed of many identical molecules
- molecules that contain hydrocarbons and make up the building blocks of the structure and function of living cells.
- the process of increasing the rate of a chemical reaction
- a particle, atom or molecule with a net electrical charge.
- a substance or material consisting of very large molecules
- a scale used to specify the acidity or basicity
- molecules sticking together
- important class of macromolecules found in all cells and viruses.
- a pure substance consisting only of atoms
- a substance that takes part in and undergoes change during a reaction.
- an aqueous solution consisting of a mixture of a weak acid and its conjugate base
32 Clues: a biological catalyst • The basic unit of matter • molecules sticking together • building blocks, of DNA and RNA • a group of atoms bonded together • substances which react with acids • an underlying substance or layer. • a substance that dissolves a solute • species formed from chemical reactions • a pure substance consisting only of atoms • ...
Advance Chemistry 2021-02-18
Across
- systematic method
- lowest possible value of temperature
- H₂O
- pound, yard, gallon
- Italian Physicist who was known as the key to the development of molecular theory
- given, asked, solution
- Avogadro's number
- methane
- known as factor-label method
- Determine the empirical formula if it is not given. (Molecular Formula procedure)
- °C + 273
Down
- molar mass of salt (NaCl)
- the "true or correct formula" of the compound.
- calculated by taking the atomic mass of an element divided by the molar mass of the compound
- smallest whole number ratio of the atoms that are present in the compound
- mass of 1 mol of atoms, in grams
- a Swedish astronomer who devised Celcius scale
- the average mass of a single atom in amu and the mass of a mole of atoms in grams
- 1 Liter
- molar mass of Oxygen (O)
20 Clues: H₂O • 1 Liter • methane • °C + 273 • systematic method • Avogadro's number • pound, yard, gallon • given, asked, solution • molar mass of Oxygen (O) • molar mass of salt (NaCl) • known as factor-label method • mass of 1 mol of atoms, in grams • lowest possible value of temperature • the "true or correct formula" of the compound. • a Swedish astronomer who devised Celcius scale • ...
Advanced Chemistry 2021-02-23
Across
- is defined as a mass equal to one twelfth the mass of an atom of carbon-12.
- He was an Italian scientist known for his research on gas volume, pressure, and temperature
- is defined as the mass of a sample of that compound divided by the amount of substance in that sample, measured in moles.
- is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.
- The unit used to represent molar mass is
- is defined as the ratio of the amount of each element to the total amount of individual elements present in the compound multiplied by 100.
- s the simplest positive integer ratio of atoms present in a compound.
- is a system of measurement that succeeded the decimalised system based on the metre
- is an electrically neutral group of two or more atoms held together by chemical bonds.
- a collection of functionally unrelated units which are composed of different units
Down
- consists of the chemical symbols for the constituent elements followed by numeric subscripts describing the number of atoms of each element present in the molecule.
- is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical
- step by step procedure
- 6.022 x 10 23 is known as
- is the unit of measurement for amount of substance in the International System of Units.
- is the branch of science involved with elements and compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.
- is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds.
- s the analysis of the relationships between different physical quantities by identifying their base quantities
- present in a compound.
- is the sum of all the atomic weights of an
20 Clues: step by step procedure • present in a compound. • 6.022 x 10 23 is known as • The unit used to represent molar mass is • is the sum of all the atomic weights of an • s the simplest positive integer ratio of atoms present in a compound. • is defined as a mass equal to one twelfth the mass of an atom of carbon-12. • ...
Chemistry Vocabulary 2021-01-25
Across
- The external features of a substance.
- Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base.
- Property of a substance defining how easily it ignites and burns.
- A chemical substance that produces hydrogen ions in solution and tastes sour.
- Point Temperature at which a solid substance becomes a liquid.
- Chemical reaction in which thermal energy is absorbed.
- The characteristic smell of a substance.
- The readiness of a substance to produce hydroxide ions.
- A chemical substance that produces hydroxide ions in solution and tastes bitter.
- The characteristic of being able to attract because of an electrical force
- Change Process where one or more substances are altered into new and different substances.
- Change A type of change in which the form of matter is altered but one substance is not transformed into another.
- The ability to be hammered or pressed down
Down
- The ability to produce electricity
- The ability to be drawn out into thin wires
- The amount of matter in a defined volume. (density = mass/volume)
- Property of a substance relating to how easily it reacts with other substances.
- A solid substance that forms from a chemical reaction that takes place in a liquid solution.
- Point Temperature at which a liquid substance becomes a gas.
- The characteristic of a slow moving sticky substance
- Measure of the amount of matter in an object.
- The readiness of a substance to produce hydrogen ions.
- Chemical reaction in which thermal energy is released.
- Reaction Combining substances so that new substances are formed that are not separated by normal chemical means. The new substances have properties different from those of the original substances.
- The ability to rust do to oxygen
- Property A measurable characteristic (size, shape, or state ) of matter not involving interactions with other substances (as color, hardness, boiling point).
- Property A characteristic of a substance that describes its potential to change when interacting with other substances (reactivity with air or water, combustibility, flammability).
- Measure of acidity or basicity of a substance.
- The amount of space an object occupies.
29 Clues: The ability to rust do to oxygen • The ability to produce electricity • The external features of a substance. • The amount of space an object occupies. • The characteristic smell of a substance. • The ability to be hammered or pressed down • The ability to be drawn out into thin wires • Measure of the amount of matter in an object. • ...
Carbonyl Chemistry 2021-03-09
Across
- number of steps involved between carbonyl and Grignard reagents
- product of Carboxylate and acid chloride
- -The type of IR stretches in different directions
- The shape of intermediate product in the Fischer Esterification reaction
- alcohol formed from ketone
- method of compound elucidation
- the addition product of aldehyde and alcohol
- high temperature and solubility of carbonyl compounds is due to what physical property
- -Widely used reagent used to methylate carboxylic acid
- most common addition reaction of carbonyl compounds
- product of the nucleophilic addition, first step between carbonyls and organometallic reagents
- the simplest form of carbonyl compound
- second step in the formation of amides
- compound with high wavenumber require – energy for IR vibration
- organometallic reagents containing Mg also known as
- shift carbonyl compound IR stretch to a lower wavenumber
Down
- -The name of solvent in nucleophilic addition carbonyl and organometallic
- -R-Metal compound is called
- hydroxyl and acid stretch appears
- second step in the reaction of carbonyl and organometallic compound
- alcohol synthesised from aldehyde
- widely used reagent used to methylate carboxylic acid
- inverse of wavelength
- the second step in fisher’s esterification
- acid catalysed reaction between a carbonyl and excess alcohol
- planar shape of a carbonyl compound
- carbonyl compound with a leaving group other than OH
- the addition product of cyanide and carbonyl compound
- The absorption of IR radiation causes bond of C=O to
- -The product of amine and carboxylic acid after heating
- region in IR spectrum between 1000-1400 cm-1
31 Clues: inverse of wavelength • alcohol formed from ketone • -R-Metal compound is called • method of compound elucidation • hydroxyl and acid stretch appears • alcohol synthesised from aldehyde • planar shape of a carbonyl compound • the simplest form of carbonyl compound • second step in the formation of amides • product of Carboxylate and acid chloride • ...
Chemistry Review 2021-03-21
Across
- A group of elements missing an electron in their outermost shell
- The name for having more or fewer electrons than protons
- Another name for an energy level
- A substance that increases the rate of a chemical reaction
- A solution in which the solvent is water
- A positively charged ion
- The ‘inventor’ of the modern Periodic Table
- The location of electrons
- a pattern of gradual change
- the rule describing the tendency of atoms to react in order to obtain a full outer shell
- A positively charged sub-atomic particle
- A column of elements in the periodic table
- Protons + Neutrons
- A neutral compound consisting of anions and cations
- A substance in which two or more elements are bonded together
- An element with a full valence shell of electrons
- The number of protons in the nucleus of an atom
- The relationship between the mass of a substance and the space it takes up
Down
- The bond formed between two non-metals
- A group of atoms bonded together
- Any element in the d-block (groups 3 – 12) of the periodic table
- An element in Group 1 of the Periodic Table
- An atom with a specific number of protons
- electrons involved in chemical bond formation
- A bond in which electrons are shared
- When elements/compounds exist together but without chemical bonds
- A negatively charged sub-atomic particle
- A sub-atomic particle with no charge
- The horizontal rows of the Periodic Table
- The bond formed between a metal and a non-metal in which electrons are transferred
- The arrangement of the nucleus and electrons
- An atom which has gained or lost an electron
- A negatively charged ion
33 Clues: Protons + Neutrons • A positively charged ion • A negatively charged ion • The location of electrons • a pattern of gradual change • A group of atoms bonded together • Another name for an energy level • A bond in which electrons are shared • A sub-atomic particle with no charge • The bond formed between two non-metals • A solution in which the solvent is water • ...
Organic chemistry 2021-03-25
Across
- Tertiary alcohol turns cloudy immediately in test.
- A compound which have the same molecular formula but a different structural formula.
- Reaction of alkenes with hydrogen, water or bromine.
- The conversion of glucose by microorganisms such as yeast into ethanol and carbon dioxide.
- Hydrocarbon that contains one or more carbon-carbon double bonds.
- A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
- A molecule that can be bonded to other identical molecules to form a polymer.
- The breaking down of long chain hydrocarbon molecules a catalyst to produce smaller hydrocarbon molecules and/or hydrogen.
- a sweet smelling chemical made by reacting an alcohol with an organic acid.
- A formula which shows how the atoms are arranged in a molecule.
Down
- A test to differentiate cyclopentane and cyclopentene that gives observation of reddish brown solution decolourised.
- A process that separates the components in a mixture on the bases of their different boiling points.
- An organic acid containing the carboxyl group.
- Positive Tolen's Test.
- Used for fractional distillation of crude oil.
- A mixture of hydrocarbons present under the earth's crust as a black sticky liquid.
- The temperature at which a substance boils and turns to vapour.
- Hydrocarbon having the general formula CnH2n+2.
- A very large molecule built up of a number of repeating units called monomers.
- A group of molecules attached to a backbone chain of a long molecule.
20 Clues: Positive Tolen's Test. • An organic acid containing the carboxyl group. • Used for fractional distillation of crude oil. • Hydrocarbon having the general formula CnH2n+2. • Tertiary alcohol turns cloudy immediately in test. • Reaction of alkenes with hydrogen, water or bromine. • The temperature at which a substance boils and turns to vapour. • ...
