chemistry Crossword Puzzles
chemistry 2020-12-25
Across
- What is the test to differentiate between penta-2-one and pentan-3-one?
- Chromyl chloride oxidized methyl group to a chromium complex which on hydrolysis gives corresponding benzaldehyde.Name the reaction
- the compound obtained by the reaction of ethene with diborane followed by hydrolysis with alkaline H2O2 is
- The reagent with which both acetaldehyde and acetone react easily is
- Hydrocarbons are formed when aldehydes and ketones are reacted with amalgamated zinc and conc. HCl. The reaction is called
Down
- the major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is
- Aldehydes other than formaldehyde react with Grignard’s reagent to give addition products which on hydrolysis give
- benzene or its derivative is treated with co and HCl in presence of anhy.AlCl3/CuCl give benzaldehyde. name the reaction
- Benzoyl Chloride on reduction with H2/Pd-BaSO4 produces
9 Clues: Benzoyl Chloride on reduction with H2/Pd-BaSO4 produces • The reagent with which both acetaldehyde and acetone react easily is • What is the test to differentiate between penta-2-one and pentan-3-one? • the major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is • ...
chemistry 2021-01-04
9 Clues: a neutrally charged atom • how much something weighs • a negatively charged atom • a positively charged atom • amount of protons in an atom • the amount of space something takes up • atoms loosely packed with a set volume • atoms loosely packed with no set volume • atoms packed tightly together with a set volume
Chemistry 2019-03-25
Across
- The particles in a atom that are positively charged
- Pure
- The particles in a atom that are negative charge
- 2 or more elements chemically combined
- a pure substance that only contains one type of atom
Down
- The particles in a atom that have a neutral charge
- smallest pert of a compound
- Smallest Part of an element
- Number of protons
9 Clues: Pure • Number of protons • smallest pert of a compound • Smallest Part of an element • 2 or more elements chemically combined • The particles in a atom that are negative charge • The particles in a atom that have a neutral charge • The particles in a atom that are positively charged • a pure substance that only contains one type of atom
Chemistry 2020-11-17
Across
- metal in Group 1A.
- an element that tends to have similar properties.
- element that tends to be a poor conductor of heat.
Down
- An element in an “A” group.
- elements are arranged in order.
- any metal in Group 2A.
- An element in Group 8A.
- A nonmetal in Group 7A.
- class of elements that are good conductors of heat.
9 Clues: metal in Group 1A. • any metal in Group 2A. • An element in Group 8A. • A nonmetal in Group 7A. • An element in an “A” group. • elements are arranged in order. • an element that tends to have similar properties. • element that tends to be a poor conductor of heat. • class of elements that are good conductors of heat.
chemistry 2020-09-15
Across
- table a table where you find elements
- consisting of a charge of negative electricity
- has a positive charge
- configuration represents the number of electrons found in each shell
Down
- vertical rows
- negative ion
- rule all elements become stable by either losing, gaining, sharing electrons in order to have a full outer shell
- positive ion
- made up of protons and neutrons
- horizontal rows
10 Clues: negative ion • positive ion • vertical rows • horizontal rows • has a positive charge • made up of protons and neutrons • table a table where you find elements • consisting of a charge of negative electricity • configuration represents the number of electrons found in each shell • ...
CHEMISTRY! 2021-06-18
Across
- a thing that is composed of two or more separate elements; a mixture.
- an element that has properties that are intermediate between those of metals and nonmetals.
- periodic table
- a chemical element that mostly lacks the characteristics of a metal.
- an element that readily forms positive ions and has metallic bonds.
Down
- An atom or molecule with an electric charge due to the loss or gain of one or more electrons.
- A chemical bond that generates two oppositely charged ions
- An extremely small amount of a thing or quality.
- Electrically neutral group of two or more atoms held together by chemical bonds.
9 Clues: periodic table • An extremely small amount of a thing or quality. • A chemical bond that generates two oppositely charged ions • an element that readily forms positive ions and has metallic bonds. • a chemical element that mostly lacks the characteristics of a metal. • a thing that is composed of two or more separate elements; a mixture. • ...
Chemistry 2023-11-28
Across
- - negative or positively charged atoms
- - the ph of water
- - the weak attraction between water
- - forms from a partial positive charge and a partial negative charge
Down
- - an atom with one less proton
- - what do plants use to store sugar?
- - center of a cell
- - something that joins together with covalent bonds
- - subunits in a hemoglobin
9 Clues: - the ph of water • - center of a cell • - subunits in a hemoglobin • - an atom with one less proton • - the weak attraction between water • - what do plants use to store sugar? • - negative or positively charged atoms • - something that joins together with covalent bonds • - forms from a partial positive charge and a partial negative charge
Chemistry 2024-08-21
Across
- Elements in group 18
- Waves associated with a moving particle
- The study of absorption and emission spectra
- Electrons apply singly before pairing
Down
- Number used to describe the position and energy of an electron
- Filled in order of increasing energies
- Number of atoms in a mole
- The principle that rules out the existence of definite paths
- Atoms/ions with the same electron count
9 Clues: Elements in group 18 • Number of atoms in a mole • Electrons apply singly before pairing • Filled in order of increasing energies • Atoms/ions with the same electron count • Waves associated with a moving particle • The study of absorption and emission spectra • The principle that rules out the existence of definite paths • ...
Chemistry 2023-01-30
Across
- equal on both sides
- Reactants to products
- the tiny number at the bottom of an element
- elements or compounds on the right side of the arrow
Down
- not equal on both sides
- elements or compounds on the left side of the arrow
- of conservation of mass matter can neither be created or destroyed
- regular-sized numbers that tell you how many molecules you have
- equals
9 Clues: equals • equal on both sides • Reactants to products • not equal on both sides • the tiny number at the bottom of an element • elements or compounds on the left side of the arrow • elements or compounds on the right side of the arrow • regular-sized numbers that tell you how many molecules you have • of conservation of mass matter can neither be created or destroyed
Chemistry 2023-01-30
Across
- elements or compounds on the left side of the arrow
- Reactants to products
- the tiny number at the bottom of an element
- equal on both sides
Down
- regular-sized numbers that tell you how many molecules you have
- elements or compounds on the right side of the arrow
- matter can neither be created or destroyed
- equals
- not equal on both sides
9 Clues: equals • equal on both sides • Reactants to products • not equal on both sides • matter can neither be created or destroyed • the tiny number at the bottom of an element • elements or compounds on the left side of the arrow • elements or compounds on the right side of the arrow • regular-sized numbers that tell you how many molecules you have
chemistry 2023-08-30
Across
- Each element is represented by one on the periodic
- A table used to organize chemical information
- Below the symbol are the full name of the element and its____
- most elements are _____
Down
- this is a powerful tool chemist used to organize information
- you can predict a lot about the chemical ______ of an element
- On the square above the chemical symbol is _____
- each element has of these
- one or two letter chemical _________
9 Clues: most elements are _____ • each element has of these • one or two letter chemical _________ • A table used to organize chemical information • On the square above the chemical symbol is _____ • Each element is represented by one on the periodic • this is a powerful tool chemist used to organize information • you can predict a lot about the chemical ______ of an element • ...
chemistry 2021-09-16
9 Clues: triple bond • double bond • contains carbon • compounds ph less than 7 • number prefixes mono,di,tri • unequal sharing of electrons • compound composed of 3 elements • partical change mixes with water • covalent equal sharing of electrons
Chemistry 2021-10-04
9 Clues: vegyülete a bauxit • sütőpor helyettesítő • sárga, szúrósszagú gáz • csak a királyvíz oldja • színtelen, szagtalan, gáz • legkeményebb természetes anyag • könnyű fém, konyhasó aklotóeleme • szilikon előállítására használják • nehézfém, bronz előállítására használják
Chemistry 2021-12-02
Across
- keeping or showing a balance
- equations: a symbolic representation of a chemical reaction in the form of symbols and formula
- anything that has mass or takes up space
- make something
- correctly shows that no mass can be created or destroyed in a reaction
Down
- the substance after a chemical reaction
- of conservation of mass: mass cannot be created or destroyed
- not keeping or showing balance
- the substance before a chemical reaction
- put an end to by damaging
10 Clues: make something • put an end to by damaging • keeping or showing a balance • not keeping or showing balance • the substance after a chemical reaction • the substance before a chemical reaction • anything that has mass or takes up space • of conservation of mass: mass cannot be created or destroyed • correctly shows that no mass can be created or destroyed in a reaction • ...
Chemistry 2021-12-02
Across
- keeping or showing a balance
- equations: a symbolic representation of a chemical reaction in the form of symbols and formula
- anything that has mass or takes up space
- make something
- correctly shows that no mass can be created or destroyed in a reaction
Down
- the substance after a chemical reaction
- of conservation of mass: mass cannot be created or destroyed
- not keeping or showing balance
- the substance before a chemical reaction
- put an end to by damaging
10 Clues: make something • put an end to by damaging • keeping or showing a balance • not keeping or showing balance • the substance after a chemical reaction • the substance before a chemical reaction • anything that has mass or takes up space • of conservation of mass: mass cannot be created or destroyed • correctly shows that no mass can be created or destroyed in a reaction • ...
chemistry 2022-04-13
Across
- stable subatomic particle that has a positive charge equal hiugiunp
- Reaction
- a subatomic particle of about the same mass as a proton but without an electric charge hfvbsdhvbhbhbhbb
- Chang
Down
- An atom is the basic building block of chemistry fuktktvtlykfkutvr
- electron is a negatively charged subatomic particle. fgyrserewuvfdvu
- the property of an element that determines the number of other atoms with which an atom of the element can combine Electron
- Levels
- Cloud
9 Clues: Cloud • Chang • Levels • Reaction • electron is a negatively charged subatomic particle. fgyrserewuvfdvu • stable subatomic particle that has a positive charge equal hiugiunp • An atom is the basic building block of chemistry fuktktvtlykfkutvr • ...
chemistry 2022-04-13
Across
- stable subatomic particle that has a positive charge equal hiugiunp
- Reaction
- a subatomic particle of about the same mass as a proton but without an electric charge hfvbsdhvbhbhbhbb
- Chang
Down
- An atom is the basic building block of chemistry fuktktvtlykfkutvr
- electron is a negatively charged subatomic particle. fgyrserewuvfdvu
- the property of an element that determines the number of other atoms with which an atom of the element can combine Electron
- Levels
- Cloud
9 Clues: Cloud • Chang • Levels • Reaction • electron is a negatively charged subatomic particle. fgyrserewuvfdvu • stable subatomic particle that has a positive charge equal hiugiunp • An atom is the basic building block of chemistry fuktktvtlykfkutvr • ...
chemistry 2022-04-13
Across
- stable subatomic particle that has a positive charge equal hiugiunp
- any substance that has a defined composition. Reaction the act or process or an instance of reacting.
- a subatomic particle of about the same mass as a proton but without an electric charge hfvbsdhvbhbhbhbb
- Chang
Down
- An atom is the basic building block of chemistry fuktktvtlykfkutvr
- electron is a negatively charged subatomic particle. fgyrserewuvfdvu
- the property of an element that determines the number of other atoms with which an atom of the element can combine Electron
- Levels
- Cloud
9 Clues: Cloud • Chang • Levels • electron is a negatively charged subatomic particle. fgyrserewuvfdvu • stable subatomic particle that has a positive charge equal hiugiunp • An atom is the basic building block of chemistry fuktktvtlykfkutvr • ...
Chemistry 2022-04-05
Across
- only one product is formed, usually only two reactants
- A reaction that always produces H20 and CO2
- the substance that holds back the product from being fully produced
- a compound breaks down into two or more elements
Down
- the substance that is not used up completely in a reaction
- calculations involving the mass relationships of elements in compounds
- how much is actually produced in a reaction
- the ratio of the actual yield to the theoretical yield, multiplied by 100
- One element replaces its a similar element in a compound, also known as "home wreckers"
9 Clues: how much is actually produced in a reaction • A reaction that always produces H20 and CO2 • a compound breaks down into two or more elements • only one product is formed, usually only two reactants • the substance that is not used up completely in a reaction • the substance that holds back the product from being fully produced • ...
Chemistry 2023-10-17
chemistry 2024-11-24
Across
- chloride A type of polymer used in water pipes
- A synthetic material made of large molecules
- A device that measures electric potential difference
- A device that measures electrical current
- A polymer used in water filtration
Down
- A type of polymer used in water filtration
- current The flow of electric charge
- scale a measure of the acidity or alkalinity of a solution
- resistivity A measure of the resistance of a material to electrical current
- Polymers A type of polymer used in water treatment
10 Clues: A polymer used in water filtration • current The flow of electric charge • A device that measures electrical current • A type of polymer used in water filtration • A synthetic material made of large molecules • chloride A type of polymer used in water pipes • Polymers A type of polymer used in water treatment • A device that measures electric potential difference • ...
chemistry 2025-04-23
9 Clues: heat taken in • heat given out • chemical symbol is Al • break easily under stress • when iron reacts with water • when oxygen is added to reaction • when metal react with water it gives out • reaction of aluminium with water is ..... • periodic table is divided to groups and .....
Chemistry 2022-10-25
10 Clues: C6H22O11 • linking of atoms • group of 2 or more atoms • when atoms share electrons • electrons in the outer shell • a tiny source of nuclear energy • atoms linked through one another • when atoms gain or lose electrons • usually become positively charged ions • usually become negatively charged ions
Chemistry 2022-02-13
Across
- Electrolysis is a _____ reaction
- One use for electrolysis to prevent corrosion of metals
- In the electrolysis of a solution, which ions from water are attracted to the anode?
- A common metal used for electrodes
Down
- The product at the anode in the electrolysis of molten lead bromide
- The positive electrode
- Electrodes are made of ____ metals
- Positive ions go to this electrode during Electrolysis
- During the decomposition of dilute NaCl, this forms at the anode
9 Clues: The positive electrode • Electrolysis is a _____ reaction • Electrodes are made of ____ metals • A common metal used for electrodes • Positive ions go to this electrode during Electrolysis • One use for electrolysis to prevent corrosion of metals • During the decomposition of dilute NaCl, this forms at the anode • ...
Chemistry 2022-02-15
Across
- set of at least two atoms, identical or not, chemically attached to each other
- A chemical element with atomic number 55, symbol Cs, the most alkaline of the alkali metals
- A particle that makes up the nucleus of an atom and has a positive charge identical to that of the
- A fragment of a chemical component constituting the tiniest quantity able to be associated with another element
- a negatively charged particle that comprises the external part of the atom
Down
- A chemical element with the symbol Be and atomic number 4. The best known gemstones from it are the emerald and the aquamarine
- an elementary particle, constitutive of the atomic nucleus. One exception is the normal hydrogen nucleus
- An ion is an atom or molecule that has gained or lost one or more electrons.
- The internal part of an atom. It is composed of neutrons and protons
9 Clues: The internal part of an atom. It is composed of neutrons and protons • a negatively charged particle that comprises the external part of the atom • An ion is an atom or molecule that has gained or lost one or more electrons. • set of at least two atoms, identical or not, chemically attached to each other • ...
Chemistry 2023-01-10
Across
- reaction, One compound breaks down into two or more simpler compounds or elements.
- formula, A group of letters and subscript numbers that represent the make-up of chemical compounds.
- An atom or a group of atoms that has an electrical charge either positive or negative.
- displacement reaction, one element takes the place of another element in a compound.
Down
- Reduced in concentration by being mixed with a liquid such as water. (H20)
- reaction, Two or more reactants combine to produce a new product.
- New substances produced in a chemical reaction.
- reactions, A change in matter that produces new substances with new properties.
- Substance that react together in a chemical reaction.
- displacement reaction, The metal ions of two different compounds exchange places.
10 Clues: New substances produced in a chemical reaction. • Substance that react together in a chemical reaction. • reaction, Two or more reactants combine to produce a new product. • Reduced in concentration by being mixed with a liquid such as water. (H20) • reactions, A change in matter that produces new substances with new properties. • ...
Chemistry 2026-08-06
Across
- THE STUFF THAT EVERYTHING IS AMDE UP OF
- ITS A PURE ELEMENT AND STARTS WITH A C
- ARE MADE UP OF ONLY ONE TYPE OF ATOMS
- WHEN MORE THAN 1 ATOM IS CHEMICALLY BONDED TOGETHER
- CAN BE EASILY SEPARATED INTO ITS PARTS BECAUSE THE PARTS RETAIN THEIR ORIGINAL
Down
- WHEN MOLECULES/COMPOUNDS COMBINE,BUT DON'T BOND TOGETHER
- WHERE COMPONENTS ARE EVENLY DISTRIBUTED
- IT IS HOME TO ALL ELEMENTS
- ITS A PARTICLE MADE OF TWO OR MORE NON-METAL ATOMS JOINED TOGETHER
9 Clues: IT IS HOME TO ALL ELEMENTS • ARE MADE UP OF ONLY ONE TYPE OF ATOMS • ITS A PURE ELEMENT AND STARTS WITH A C • THE STUFF THAT EVERYTHING IS AMDE UP OF • WHERE COMPONENTS ARE EVENLY DISTRIBUTED • WHEN MORE THAN 1 ATOM IS CHEMICALLY BONDED TOGETHER • WHEN MOLECULES/COMPOUNDS COMBINE,BUT DON'T BOND TOGETHER • ...
Englisch1 2013-03-13
10 Clues: Kerze • Chemie • Physik • Lebensstiel • auf jn. Stehen • (haus-) arbeit • auf jn. zugehen • Besonders, vor allem • Weltweit, auf der ganzen Welt • Freunde finden, sich anfreunden
11 2024-06-21
10 Clues: - On fire • - Large seabird • - Flying machine • - Circus performer • - Medieval chemistry • - Agreement or harmony • - Monastery or convent • - Ancient counting device • - African burrowing mammal • - Ridiculously unreasonable
Christmas 2021 2021-12-03
11 Clues: Al's hobby • Celebration • New art class • City in Mexico • North and South • Masters' degree • Ford muscle car • Minor in college • City in Wisconsin • City Megan moved to • Aiden's favorite class
Christmas 2021 2021-12-03
11 Clues: Al's hobby • Celebration • New art class • City in Mexico • North and South • Masters' degree • Ford muscle car • Minor in college • City in Wisconsin • City Megan moved to • Aiden's favorite class
SCHOOL SUBJECTS 2020-08-24
11 Clues: books • numbers • elements • countries • past events • to express yourself • something you listen to • humans, animals, plants... • mechanics,astronomy, magnetism... • the class you're having right now • study through observation and experiment
TTS COVER/POSTER FILM 2022-12-13
11 Clues: hiasan • margin • kemiripan • tata letak • JENIS FILM • mudah dibaca • uritan atau alur • teknik memilih jenis huruf • kalimat singkat apda cover • warna dominan pada film horor • KESERASIAN DIANTARA DUA PEMAIN
Chapter 15 2022-12-07
Across
- best known astronomer
- orbits are elliptical
- pro free speech
- smallpox vaccination
- composer of music
- leader of moravians
- men could change the government
- unitarian minister
- law of inverse gas pressure
Down
- advocated pantheism
- trained pietist pastors
- applied mathematics to the study of the universe
- promoted piety
- father of modern chemistry
- preaching tours
15 Clues: promoted piety • pro free speech • preaching tours • composer of music • unitarian minister • advocated pantheism • leader of moravians • smallpox vaccination • best known astronomer • orbits are elliptical • trained pietist pastors • father of modern chemistry • law of inverse gas pressure • men could change the government • applied mathematics to the study of the universe
Zoe's crossword 6AR 2014-04-01
Across
- That woman is very --------
- Against someone
- A smell
- The ------- was breath taking
- To stop
- The class ------- for an early lunch
- Being mean
Down
- I was ------- about this person
- Biology, Chemistry, Physics
- This movie is --------- an actor
- Going down
- When your muscles are sore
- A kingdom
- Another word for teenager
- To argue a case
15 Clues: A smell • To stop • A kingdom • Going down • Being mean • Against someone • To argue a case • Another word for teenager • When your muscles are sore • Biology, Chemistry, Physics • That woman is very -------- • The ------- was breath taking • I was ------- about this person • This movie is --------- an actor • The class ------- for an early lunch
subjects 2024-01-13
Across
- plants, human body, animals
- include physics, biology, chemistry
- short talk
- work after school
- the number of residents, lands, countries
- some questions in a subject
- foreign language
- events in the past
Down
- a writing about a book or novel
- story, poem
- large work including photos, samples,...
- sports
- speed, distance,....
- numbers, shapes
- explain idea
15 Clues: sports • short talk • story, poem • explain idea • numbers, shapes • foreign language • work after school • events in the past • speed, distance,.... • plants, human body, animals • some questions in a subject • a writing about a book or novel • include physics, biology, chemistry • large work including photos, samples,... • the number of residents, lands, countries
Mutations Information 2021-03-29
Across
- studied in Chemistry
- an agent that causes genetic mutations
- Sickle-cell anemia
- damage cells and causes cancer
- substitution in genetic mutations
- type of harmful mutagen
- gives off sunrays
- mistakes
Down
- excess exposure of x-rays
- loss of genetic material
- change in organism's DNA
- structure
- haploid germ cell
- hereditary
- addition of nucleotide base pairs
- genes
16 Clues: genes • mistakes • structure • hereditary • haploid germ cell • gives off sunrays • Sickle-cell anemia • studied in Chemistry • type of harmful mutagen • loss of genetic material • change in organism's DNA • excess exposure of x-rays • damage cells and causes cancer • addition of nucleotide base pairs • substitution in genetic mutations • an agent that causes genetic mutations
Crossword 2024-02-14
Across
- to be not smart
- Sunday
- subject involving physical activity
- subject involving chemistry
- to have
- first day of the week
- Satuday
- subject involving physics
- subject involving the latin language
Down
- fifth day of week
- fourth day of the week
- third day of the week
- lovely
- second day of the week
- subject involving drawings
- subject with numbers
16 Clues: Sunday • lovely • to have • Satuday • to be not smart • fifth day of week • subject with numbers • third day of the week • first day of the week • fourth day of the week • second day of the week • subject involving physics • subject involving drawings • subject involving chemistry • subject involving physical activity • subject involving the latin language
Introduction to chemistry 2017-09-20
Across
- study that focuses on composition of matter
- the study of all chemicals containing carbon
- research directed toward a particular goal
Down
- study of chemistry not containing carbon
- the pursuit of chemical knowledge for it's own sake
- area that deals with the transfer of energy that occurs when matter undergoes a change
- study of processes that takes places in living organisms
- the study of the composition of matter and changes that matter undergoes
- anything that has mass and takes up space
9 Clues: study of chemistry not containing carbon • anything that has mass and takes up space • research directed toward a particular goal • study that focuses on composition of matter • the study of all chemicals containing carbon • the pursuit of chemical knowledge for it's own sake • study of processes that takes places in living organisms • ...
Zaima 2023-08-09
Across
- My favourite colour?
- My favourite current show?
- my favourite country?
- zucker my favourite hoodie?
- My biggest accomplishment?
- my favourite character?
- my favourite person
- My favourite animal?
- My biggest fear?
Down
- the subject i hate the most
- current favourite movie
- My favourite pass time?
- My favourite breakfast?
- My favourite word?
- my current dilf?
- Favourite gaali
16 Clues: Favourite gaali • my current dilf? • My biggest fear? • My favourite word? • my favourite person • My favourite colour? • My favourite animal? • current favourite movie • My favourite pass time? • My favourite breakfast? • my favourite character? • My favourite current show? • My biggest accomplishment? • the subject i hate the most • zucker my favourite hoodie? • ...
Atom and Atomic Vocabulary 2016-10-04
Across
- The atoms center that contains a cluster of protons and neutrons
- Numerical or constant quantity placed
- Subatomic particles with a negative charge found in the electrons could surrounding the nucleus of an atom
- the scale in which you can decide whether or not a substance is an acid or a base
- Relating to the body as opening tot the mind
- A force of attraction that holds atoms together to make a molecule
- A subatomic particle of about the same mass a proton
- The basic unit of a chemical
Down
- To push back or away by force
- cannot be divided
- written or printed below the line
- Any of the basic unit of matter and energy
- a particle smaller than an atom
- Different types of atoms can bond together to make molecules
- relating to chemistry or the interactions of substance as studied in chemistry
- Characteristic of a substance that is observed physically
- A substance made of atoms that are all the same
- A subatomic particle found in the nucleus of an atom with a positive electric charge
- Theory of matter States that each type of matter is made of only one types of atoms
19 Clues: cannot be divided • The basic unit of a chemical • To push back or away by force • a particle smaller than an atom • written or printed below the line • Numerical or constant quantity placed • Any of the basic unit of matter and energy • Relating to the body as opening tot the mind • A substance made of atoms that are all the same • ...
Chemistry fun! 2012-03-16
Across
- a substance that increases the rate of a reaction and is regenerated at the end of the reaction
- [ H2 + 02 = H2O ] is an example of a _____ equation
- a positively charged ion
- Al2S3
- an ion that is composed of more than one atom
- German chemist who patented the process of extracting ammonia in 1910
- a chemical reaction in which one element takes the place of another element in a compound is a ______ displacement reaction.
- a pure substance that undergoes a chemical change
- AB = A + B (type of reaction)
- in the activity series the _____ reactive metals appear at the bottom
Down
- a number that is placed in front of a chemical formula in a balanced chemical equation
- Change in colour and formation of a precipitate are examples of evidence that a _____ ______ has occurred.
- a negatively charged ion
- A + B =AB (type of reaction)
- CO32-
15 Clues: Al2S3 • CO32- • a positively charged ion • a negatively charged ion • A + B =AB (type of reaction) • AB = A + B (type of reaction) • an ion that is composed of more than one atom • a pure substance that undergoes a chemical change • [ H2 + 02 = H2O ] is an example of a _____ equation • German chemist who patented the process of extracting ammonia in 1910 • ...
Physical Chemistry 2012-09-08
Across
- the coloumns of the periodic table
- The positively charged part of the atom
- where all the elemnts are organized
- the first person to organize the elemnts into the periodic table
- The negatively charged part of an atom
- the rows of the periodic table
- the neutral part of the atom
Down
- A substance that reacts with another
- A colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain
- inert gases
- A new substance produced by a chemical reaction
- A substance made up of one kind of atom; it cannot be broken down
- The center of an atom that contains protons and neutrons
- A substance made up of two or more elements chemically combined
- The smallest unit of an element
15 Clues: inert gases • the neutral part of the atom • the rows of the periodic table • The smallest unit of an element • the coloumns of the periodic table • where all the elemnts are organized • A substance that reacts with another • The negatively charged part of an atom • The positively charged part of the atom • A new substance produced by a chemical reaction • ...
Chemistry Crossword 2013-09-12
Across
- Making of a compound
- How easily something dissolves
- Made up of
- A species with an unpaired electron
- Element with a different number of neutrons but the same number of protons and electrons
- Smallest unit of an element
- When the rate of the forward and backward reactions are the same
- Element which exists in more than one structural form
Down
- Reaction that can go either way
- Reaction process
- Speed of reaction
- Describing chemical reactions with equations and simple whole number ratios
- Molecule consisting of two atoms
- Found in vast amounts
- Unusual result
15 Clues: Made up of • Unusual result • Reaction process • Speed of reaction • Making of a compound • Found in vast amounts • Smallest unit of an element • How easily something dissolves • Reaction that can go either way • Molecule consisting of two atoms • A species with an unpaired electron • Element which exists in more than one structural form • ...
Organic Chemistry 2013-08-27
Across
- / Organic compounds that have the -OH (hydroxyl) functional group
- / When ethanol is reacted with pentanoic acid, the ester formed is ethyl __________
- / Number of bonds carbon can make
- / An example of unsaturated hydrocarbons
- / A carboxylic acid with 4 carbon atoms (_______ acid)
- / Product of a hydration reaction with ethene
- / An example of a polyamide used for making fishing nets and parachutes.
- / When aqueous bromine is added to propene, it turns from brown to _______
- / Two compounds that have the same molecular formula but different structural formula
Down
- / The smallest alkene molecule
- / A polymer formed from monomers of dicarboxylic acids and diols
- / Monomer used to make Teflon.
- / An alkane with 6 carbon atoms
- / Polypropene is a type of _______ polymer.
- / The functional group associated with carboxylic acids (chemical formula)
15 Clues: / The smallest alkene molecule • / Monomer used to make Teflon. • / An alkane with 6 carbon atoms • / Number of bonds carbon can make • / An example of unsaturated hydrocarbons • / Polypropene is a type of _______ polymer. • / Product of a hydration reaction with ethene • / A carboxylic acid with 4 carbon atoms (_______ acid) • ...
Chemistry crossword 2015-08-24
Across
- A compound that contains two hydrogen atoms and one oxygen atom.
- Substance made of one type of atom
- : A substance made from more than one element
- You get this from the air that you breathe
- When elements join together
Down
- Collection of letters used to represent an element, not always the same as the name
- Common name for sodium chloride
- An element found everywhere especially in living things
- Metal which used to be used in pipes
- Piece of scientific equipment used to look at small objects
- Substances which are not chemically combined
- Something a substance does
- Scientist famous for his atomic model
- An expensive metal
- : A tiny particle which makes up everything
15 Clues: An expensive metal • Something a substance does • When elements join together • Common name for sodium chloride • Substance made of one type of atom • Metal which used to be used in pipes • Scientist famous for his atomic model • You get this from the air that you breathe • : A tiny particle which makes up everything • Substances which are not chemically combined • ...
Cell chemistry 2015-11-12
Across
- a protein that speeds up a chemical reaction in a living thing
- acids the building blocks of proteins
- respiration process where cells break down sugar (glucose) to release its energy
- small molecules move from an area of high concentration to an area of low concentration
- transport materials move through a cell membrane by using energy
- process where a cell captures energy in sunlight and uses it to make sugar (glucose)
Down
- transport materials move through a cell membrane WITHOUT using energy
- acids organic compound that contains instructions for cells (ex: DNA, RNA)
- water diffuses through a cell membrane
- simplest form of matter OR the building block of matter
- energy-rich organic compound, like sugar or starch
- organic compound used for cell structure, speeding up chemical reactions (enzymes), or on cell membranes
- made up of 2 or more elements
- energy-rich organic compound used to store energy for later use or for insulation or in cell membranes
- simple carbohydrate (example: glucose)
15 Clues: made up of 2 or more elements • acids the building blocks of proteins • water diffuses through a cell membrane • simple carbohydrate (example: glucose) • energy-rich organic compound, like sugar or starch • simplest form of matter OR the building block of matter • a protein that speeds up a chemical reaction in a living thing • ...
Organic Chemistry 2016-07-24
Across
- A large biomolecule that contains genetic information.
- Process that destroys the active site of proteins.
- Reaction that breaks a c=c double bond and placement of new atoms either side of bond. An _____ Reaction.
- A condensation reaction between and alcohol and a carboxylic acid.
- A type of organic acid that contains a -COOH functional group.
- Organic compound whose name ends in -ate.
- Series of hydrocarbons with only C-C single bonds.
Down
- Type of acid that is the building blocks of proteins.
- A reaction between two functional groups that creates a larger molecule with a biproduct of water.
- Reaction with water.
- Molecule formed by the condensation reaction between a Glycerol molecule and 3 fatty acids.
- Molecules with an -OH functional group whose name finishes with -ol.
- Molecule containing at least one C=C double bond.
- Type of bond found in Disaccharides and Polysaccharides.
- Same molecular formula but different structural formula.
15 Clues: Reaction with water. • Organic compound whose name ends in -ate. • Molecule containing at least one C=C double bond. • Process that destroys the active site of proteins. • Series of hydrocarbons with only C-C single bonds. • Type of acid that is the building blocks of proteins. • A large biomolecule that contains genetic information. • ...
Chemistry Terms 2018-02-05
Across
- / Amount of space something occupies
- / Evaporates into this
- / Adds one valance electron as you go down
- / 2 or more atoms, same or different type
- Shells / The orbit electrons follow
- / Visibly different substances throughout(can see all parts.)
- / Forms into this
Down
- / 2 or more substances combined physically
- / Amount of matter in an object
- / All substances are the same throughout(looks like substance.)
- / Melts into this
- / 2 or more different types of atoms
- / Anything that has mass and volume
- / 1 type of atom
- / As you go down each row another energy shell is added
15 Clues: / 1 type of atom • / Melts into this • / Forms into this • / Evaporates into this • / Amount of matter in an object • / Anything that has mass and volume • Shells / The orbit electrons follow • / Amount of space something occupies • / 2 or more different types of atoms • / 2 or more atoms, same or different type • / 2 or more substances combined physically • ...
Chemistry Review 2020-02-02
Across
- Bohr-__ diagrams are drawings of atoms
- A pure substance made of 2 or more elements
- Has the symbol 'N'
- Protons have a __ charge
- The only non-metal whose name starts with 'F'
- Diamonds are made of __
- A row of the periodic table
Down
- Anything that has mass and takes up space
- The first popular rechargeable batteries
- Has the symbol 'Na'
- The Periodic Table of __
- A mixture made when one substance dissolves in another
- Electrons have a __ charge
- The small, dense centre of an atom
- Has the symbol 'Au'
15 Clues: Has the symbol 'N' • Has the symbol 'Na' • Has the symbol 'Au' • Diamonds are made of __ • The Periodic Table of __ • Protons have a __ charge • Electrons have a __ charge • A row of the periodic table • The small, dense centre of an atom • Bohr-__ diagrams are drawings of atoms • The first popular rechargeable batteries • Anything that has mass and takes up space • ...
Chemistry Crossword 2020-01-14
Across
- stable subatomic particle with a positive charge
- sharing of free electrons among positively charged ions
- subatomic particle with a negative charge
- row of elements on the periodic table
- large enough to be seen by the unaided eye
Down
- a covalent bond between two atoms with an unequal sharing of electrons
- subatomic particle with no charge
- substance with an identical composition
- a substance composed of different components
- a chemical change dealing with melting or freezing
- the molecular geometry of N2
- set of eight valence electrons
- the name for H2O
- column of elements on the periodic table
- atom or molecule with a net electric charge by a loss or gain of an electron(s)
15 Clues: the name for H2O • the molecular geometry of N2 • set of eight valence electrons • subatomic particle with no charge • row of elements on the periodic table • substance with an identical composition • column of elements on the periodic table • subatomic particle with a negative charge • large enough to be seen by the unaided eye • a substance composed of different components • ...
Taylor-chemistry 2019-10-18
Across
- materials we start with
- what we end with
- It reacts with certain things
- Cannot be broken down
- Color and size
- Atoms bonded together
- materials mixed together
Down
- mass of an atom
- material does change
- Chemicals combine in specific amounts
- Scientist who made the periodic table
- mixture is the same
- material doesn’t change
- Reaction where “clouds” or jelly or solid form
- The smallest part of any element
15 Clues: Color and size • mass of an atom • what we end with • mixture is the same • material does change • Cannot be broken down • Atoms bonded together • materials we start with • material doesn’t change • materials mixed together • It reacts with certain things • The smallest part of any element • Chemicals combine in specific amounts • Scientist who made the periodic table • ...
Organic Chemistry 2020-05-05
Across
- the name for a compound containing only single bonds
- a two carbon compound than ends in '-ol'
- the chemical used to test for unsaturated compounds
- a family of compounds which are not hydrocarbons, but are saturated
- the first alkene
- a family of compounds described as unsaturated hydrocarbons
Down
- a fossil fuel that is a mixture of hydrocarbons
- what happens to the testing chemical in the presence of an unsaturated compound
- a family of compounds described as saturated hydrocarbon
- a compound containing carbon and hydrogen ONLY
- the name for a compound containing one carbon-carbon double bond
- a fossil fuel that is mostly methane
- a solid fossil fuel
- an alkane with the formula CH4
- an alkane with the formula C2H6
15 Clues: the first alkene • a solid fossil fuel • an alkane with the formula CH4 • an alkane with the formula C2H6 • a fossil fuel that is mostly methane • a two carbon compound than ends in '-ol' • a compound containing carbon and hydrogen ONLY • a fossil fuel that is a mixture of hydrocarbons • the chemical used to test for unsaturated compounds • ...
Chemistry-indicators 2020-08-09
Across
- The pH of this solution is 7
- The pH of gastric juice in ---- than seven
- Artificial indicators are also called as---indicators
- How many main classification of indicators do you find
- Ammonia is ---- in nature
- pH paper is called as a ----- indicator
- Mention an olfactory indicators which is used as a vegetable
- A flower that shows the pH of the soil
- litmus is extract obtained from this plant
Down
- An indicator which turns pink in base
- A cooking ingredient which turns bright red when dissolved in base
- petals of china rose turns to this colour in base
- An indicator which turns straw yellow in base
- This turns blue litmus to red
- The pH of this solution is more than 7
15 Clues: Ammonia is ---- in nature • The pH of this solution is 7 • This turns blue litmus to red • An indicator which turns pink in base • The pH of this solution is more than 7 • A flower that shows the pH of the soil • pH paper is called as a ----- indicator • The pH of gastric juice in ---- than seven • litmus is extract obtained from this plant • ...
Chemistry Vocab 2020-09-07
Across
- purifying a liquid by a process of heating and cooling.
- row of elements in the periodic table.
- takes part in and goes through change in a reaction.
- process to separate solids from liquids or gases.
- display of the chemical elements arranged by atomic number.
- column of elements in the periodic table.
- substance that flows freely but is of constant volume.
- components are all uniform.
- property of an object that quantifies the amount of matter it contains.
Down
- law that states that mass is neither created nor destroyer.
- substance combined from two or more elements.
- result of a mixture.
- material made up of two substances combined.
- substance that cannot be broken down into a smaller substance.
- species formed from chemical reaction.
15 Clues: result of a mixture. • components are all uniform. • row of elements in the periodic table. • species formed from chemical reaction. • column of elements in the periodic table. • material made up of two substances combined. • substance combined from two or more elements. • process to separate solids from liquids or gases. • ...
Chemistry Vocabulary 2021-01-07
Across
- The length of time it takes for half of the atoms in a sample of a radioactive element to decay into atoms of another element
- An element that is not a metal and has properties generally opposite to those of a metal
- An element that tends to be shiny, easily shaped, and a good conductor of electricity and heat
- The central region of an atom where most of the atom’s mass is found in protons and neutrons
- A particle that has no electric charge and is located in an atom’s nucleus
- A vertical column in the periodic table of the elements
- A table of the elements, arranged by atomic number, that shows the patterns in their properties
- An atom or group of atoms that has a positive or negative electric charge
Down
- A horizontal row in the periodic table of the elements
- A negatively charged particle located outside an atom’s nucleus
- The total number of protons and neutrons in an atom’s nucleus
- The number of protons in the nucleus of an atom
- An element that has properties of both metals and nonmetals
- An atom of one element that has a different number of neutrons than another atom of the same element
- A positively charged particle located in an atom’s nucleus
15 Clues: The number of protons in the nucleus of an atom • A horizontal row in the periodic table of the elements • A vertical column in the periodic table of the elements • A positively charged particle located in an atom’s nucleus • An element that has properties of both metals and nonmetals • The total number of protons and neutrons in an atom’s nucleus • ...
chemistry 1 2021-01-12
Across
- the number of protons in the nucleus of an atom
- The total number of protons and neutrons in an atom's nucleus
- The length of time it takes for the atoms in a sample of a radioactive element to decay into an atom of another element
- An atom or group of atoms that has a positive or negative electric charge
- A positively charged particle located in the atom's nucleus
- A horizontal row in the periodic table of elements. Elements in a period have varying properties
- A table of elements, arranged by atomic number, that snows the patterns in their properties
Down
- An element that is not a metal and has properties generally opposite to those of a metal
- A particle that has no electric charge located in the atom's nucleus
- A vertical column in the periodic table of elements. Elements in this group have similar properties
- An element that tends to be shiny, easily shaped, and a good conductor of heat and electricity
- The central region of an atom where most of the atom's mass is found in protons and neutrons
- An element that has properties of both metals and nonmetals
- A negatively charged particle located outside an atom's nucleus
- An atom of one element that has a different number of neutrons than another atom of the same element
15 Clues: the number of protons in the nucleus of an atom • An element that has properties of both metals and nonmetals • A positively charged particle located in the atom's nucleus • The total number of protons and neutrons in an atom's nucleus • A negatively charged particle located outside an atom's nucleus • ...
Chemistry Definition 2020-12-13
Across
- chemical compound that dissociates into ions and hence is capable of transporting electric charge
- materials whose atoms have formed ionic bonds rather than molecules with covalent bonds.
- Not having all affinities of its elements satisfied
- Chemical solution containing the maximum concentration of a solute dissolved in the solvent
- breaking up of a compound into simpler constituents that are usually capable of recombining under other conditions
- adjective that means composed of different constituents or dissimilar components.
- substance that is consistent or uniform throughout its volume.
- sum of all the forces between two neighboring molecules.
- a molecule formed by covalent bonds, in which the atoms share one or more pairs of valence electrons.
Down
- A measure of how well one substance dissolves into another.
- atom or molecule that has gained or lost one or more of its valence electrons, giving it a net positive or negative electrical charge
- Solution that contains more than the average solvent that can be dissolved at a given temperature.
- sum of the forces that act within a molecule between its atoms.
- The result of combining two or more substances, such that each maintains its chemical identity.
- substance that results from a combination of two or more different chemical elements
15 Clues: Not having all affinities of its elements satisfied • sum of all the forces between two neighboring molecules. • A measure of how well one substance dissolves into another. • substance that is consistent or uniform throughout its volume. • sum of the forces that act within a molecule between its atoms. • ...
Science Chemistry 2017-06-08
Across
- Combinations of two or more substances
- A type of liquid that always looks cloudy
- A liquid made up of a solvent with a solvent dissolved in it
- Directed on one thing
- Something that can mix emulsions
- Does not dissolve
- Any liquid that dissolves another substance or substances
- Dissolves in liquid
Down
- How much solute is in the solvent
- Cloudy liquids that contain particles that don't dissolve
- A liquid that is made thinner or weaker by adding water or another solvent to it
- No more liquid can be added
- When something is not mixed with any other material or substance
- Something that dissolves easily in water
- A mixture of two or more un-blendable liquids
15 Clues: Does not dissolve • Dissolves in liquid • Directed on one thing • No more liquid can be added • Something that can mix emulsions • How much solute is in the solvent • Combinations of two or more substances • Something that dissolves easily in water • A type of liquid that always looks cloudy • A mixture of two or more un-blendable liquids • ...
chemistry crossword 2019-09-11
Across
- property / what difference is there between water, ice, and steam? these can be described as a difference in a ________ ________.
- change / when you mix hydrochloric acid and sodium hydroxide it makes salt and water. this is an example of a ________ ______.
- / smoke and fog make smog, sand water, and gravel make cement. These are examples of a ______________.
- / since a piece of wood has a mass and volume it is an example of
- / when metal is left outside in the rain and wind rust appears. to stop _________ of metal aircraft are sprayed with oil to prevent this process.
- point / solid to liquid example ice to water changes at 0 degrees celsius.
- substance / tin, water, and salt are examples of this
- / a flowing river is water in a liquid _____.
Down
- / "to put fire to a thing" in Latin is like dry wood in an open fire pit. proof its all become ash.
- / water has hydrogen and oxygen ratio 2:1. this is an example of a _________.
- / iron, lead, carbon are found on the periodic table. They are examples of an ________.
- / 1000kg of steel floats in outer space but on earth, it stays put. the _______ doest change.
- / if an eraser is 1cmx5cmx2cm than the amount of space it occupies is 10 cm3
- point / liquid to gas example water to steam changes at 100 degrees celsius.
- / 10kg of osmium fits into a smaller container than 10kg of hydrogen because osmium has the greatest _______ compared to hydrogen.
15 Clues: / a flowing river is water in a liquid _____. • substance / tin, water, and salt are examples of this • / since a piece of wood has a mass and volume it is an example of • point / solid to liquid example ice to water changes at 0 degrees celsius. • / if an eraser is 1cmx5cmx2cm than the amount of space it occupies is 10 cm3 • ...
Chemistry Crossword 2018-01-23
Across
- Material.
- A chemically combined substance.
- to give off heat.
- These guys make up everything.
- to trap heat.
- A substance that is not combined chemically.
- chemicals that cannot be broken down any further.
- the size of something.
Down
- how close you can get to the correct number.
- how close you can get your answers to line up.
- not mixed well.
- a well mixed substance.
- very compact.
- what amount of space this takes up.
- Unit The SI unit for the seven base units.
15 Clues: Material. • very compact. • to trap heat. • not mixed well. • to give off heat. • the size of something. • a well mixed substance. • These guys make up everything. • A chemically combined substance. • what amount of space this takes up. • Unit The SI unit for the seven base units. • how close you can get to the correct number. • A substance that is not combined chemically. • ...
Chemistry Vocab 2020-09-08
Across
- property of a physical object that quantifies the amount of matter it contains
- components vary throughout the sample
- same components throughout any given sample
- row of chemical elements
- a substance diffuser or suspended in the air
- changes that affect the form of a chemical substance, but not its composition
- a substance that flows freely but is of constant volume
- amount of space that a substance or object occupies
Down
- mass is neither created nor destroyed
- action of purifying a liquid by a process of heating and cooling
- display of chemical elements
- column of elements,18 numbered groups
- particles have neither a defined
- symbol abbreviations for chemical elements
- substance made of one type of atom
- or shape
16 Clues: or shape • row of chemical elements • display of chemical elements • particles have neither a defined • substance made of one type of atom • mass is neither created nor destroyed • components vary throughout the sample • column of elements,18 numbered groups • symbol abbreviations for chemical elements • same components throughout any given sample • ...
Chemistry crossword... 2020-11-05
Across
- separates the metals from the non-metals
- atom that has different number of protons/electrons
- elements with properties of metals and non-metals
- fluorine, chlorine, bromine, iodine and astatine.
- refers to a horizontal row in the periodic table
- an element that does not display the properties of a metal
- weight of an atom
- high electrical conductivity readily loses electrons to form +ions
- a negatively charged ion
- located on the outermost shell of a atom
- a column of elements in the periodic table
Down
- a standard way of writing large and small numbers\
- helium, neon, argon etc.
- number of protons in the nucleus
- 6.02x10^23
15 Clues: 6.02x10^23 • weight of an atom • helium, neon, argon etc. • a negatively charged ion • number of protons in the nucleus • separates the metals from the non-metals • located on the outermost shell of a atom • a column of elements in the periodic table • refers to a horizontal row in the periodic table • elements with properties of metals and non-metals • ...
Chemistry Vocabulary 2019-01-31
Across
- Substance being dissolved.
- Light breeze that can separated from heavier substances that fall straight down in the breeze.
- Substance mixed evenly.
- Water is lost into the air.
- Floating materials can be separated from sinking materials in this liquid.
- Homogeneous mixture of two or more substance.
- Heterogeneous mixture when particles are big enough to eventually settle.
- Substance becomes incorporated into a liquid.
Down
- Substance is unevenly mixed.
- Tube that is wide at the top and narrow at the bottom.
- Changing only one factor at a time while keeping all other conditions the same.
- Educated guess.
- Substance doing the dissolving.
- Strong forces of attraction between particles keep them in place.
- Used to separate different sizes of solid particles.
15 Clues: Educated guess. • Substance mixed evenly. • Substance being dissolved. • Water is lost into the air. • Substance is unevenly mixed. • Substance doing the dissolving. • Homogeneous mixture of two or more substance. • Substance becomes incorporated into a liquid. • Used to separate different sizes of solid particles. • Tube that is wide at the top and narrow at the bottom. • ...
CHEMISTRY PUZZLE 2018-12-03
Across
- have the general formula CnH2n+1COOH.
- -OH
- burns in air or oxygen with a clean blue flame to form carbon dioxide and water steam.
- chemical reaction in which carbohydrates are converted into ethanol by yeast under anaerobic conditions.
- another word for condensation reaction.
- reaction which makes an ester.
- forms the salt of an alkanoic acid and an alcohol.
- Alcohols molecules are_______.
- -COO-
Down
- have the general formula CnH2n+1OH
- is the process by which soap is made by the alkaline hydrolysis of animal fats or vegetable oils.
- are produced from petroleum.
- -COOH.
- forms an alkanoic acid and an alcohol.
- is a compound formed when an alkanoic acid reacts with an alcohol.
15 Clues: -OH • -COO- • -COOH. • are produced from petroleum. • reaction which makes an ester. • Alcohols molecules are_______. • have the general formula CnH2n+1OH • have the general formula CnH2n+1COOH. • forms an alkanoic acid and an alcohol. • another word for condensation reaction. • forms the salt of an alkanoic acid and an alcohol. • ...
Organic chemistry 2021-03-18
Across
- What is the name of hydrocarbons in which not all carbon atoms have four single covalent bonds?
- Example of saturated hydrocarbon starts with letter "p".
- Compounds that have the same molecular formula but different structures.
- Soft, black, crystalline form of carbon that is a fair conductor of electricity.
- Name of alkanes in which the carbon atoms are arranged in a ring, or cyclic, structure.
- What is the primary aromatic hydrocarbon?
- Hydrocarbons with triple covalent bonds.
- What is the name of series in which adjacent members differ by a constant unit?
Down
- Name of hydrocarbons in which each carbon atom in the molecule form four single covalent bonds with other atoms.
- Name of hydrocarbons with six membered carbon rings and delocalized electrons.
- The simplest organic compounds, composed of only carbon and hydrogen.
- What is the shape of bonding in a carbon atom?
- What is the hardest material known to man?
- Hydrocarbons that contain only single bonds.
- Hydrocarbons that contain double covalent bonds.
15 Clues: Hydrocarbons with triple covalent bonds. • What is the primary aromatic hydrocarbon? • What is the hardest material known to man? • Hydrocarbons that contain only single bonds. • What is the shape of bonding in a carbon atom? • Hydrocarbons that contain double covalent bonds. • Example of saturated hydrocarbon starts with letter "p". • ...
chemistry crossword 2023-03-28
Across
- symbolic representations that specify the elements present in a compound
- often defined as anything that occupies space and has mass
- a periodic back and forth motion that transmits energy
- occurs in only one direction
- chemical changes caused by collisions between atoms or molecules
- extracting metals from their naturally occurring materials and preparing them for use
- the simplest element
Down
- the law that dobereiner created
- an attractive force between atoms that is strong enough to enable the group to act as a unit
- a homogeneous mixture of two or more substances
- the branch of science that deals with the study of the composition
- the ability to do work
- known to have a sour taste when dissolved in water
- describes a change in some quantity over time
- greatly affected by both pressure and temperature change
15 Clues: the simplest element • the ability to do work • occurs in only one direction • the law that dobereiner created • describes a change in some quantity over time • a homogeneous mixture of two or more substances • known to have a sour taste when dissolved in water • a periodic back and forth motion that transmits energy • ...
chemistry IGSCE 2023-05-14
Across
- Shows all the bonds as individual lines
- reaction between propane and bromine gas (type of reaction)
- large molecule formed when monomers add on
- observation when metal reacts with acid
- change of state from liquid to solid
- least reactive Alkali metal
- remains chemically unchanged at the end of the experiment
Down
- bonding present in but-1-ene
- used to separate a solvent from a mixture
- Contains only Carbon-Carbon single bonds
- reaction which can go both ways
- colour of silver bromide precipitate
- colour of solid iodine
- vertical columns in the periodic table
- heat given out to the surroundings
15 Clues: colour of solid iodine • least reactive Alkali metal • bonding present in but-1-ene • reaction which can go both ways • heat given out to the surroundings • colour of silver bromide precipitate • change of state from liquid to solid • vertical columns in the periodic table • Shows all the bonds as individual lines • observation when metal reacts with acid • ...
Chemistry Terms 2021-09-16
Across
- bonding that occurs by transferred electrons between metals and nonmetals
- bonding that occurs by electrons being able to flow past one another
- a covalent bond consisting of two pairs of electrons
- the ability of metal to be shaped into sheets
- amount of electric charge per unit of volume
- a substance that conducts electricity when in a solution
- a covalent bond consisting only of one pair of electrons
Down
- attractive and repulsive forces between charges
- temperature at which vapor pressure is equal to gas pressure; causes a phase change of entire substance from liquid to gas
- electrons that don't stay in a sole bond; they move between bonds
- bonding that occurs by shared electrons among nonmetals
- the ability of a solute to dissolve in a solvent
- temperature at which a substance undergoes a phase change from solid to liquid
- the ability of metal to be shaped into wires
- a covalent bond consisting of three pairs of electrons
15 Clues: the ability of metal to be shaped into wires • amount of electric charge per unit of volume • the ability of metal to be shaped into sheets • attractive and repulsive forces between charges • the ability of a solute to dissolve in a solvent • a covalent bond consisting of two pairs of electrons • a covalent bond consisting of three pairs of electrons • ...
Chemistry Vocabulary 2022-02-18
Across
- The part of the atom with a positive charge
- The most reactive group of metals on the periodic table
- The smallest unit of matter that forms an element
- The heaviest part of an atom
- The least reactive group on the periodic table
- The results of a chemical reaction
- The smallest part of an atom
Down
- An atom that has lost or gained one or more electrons
- Where the protons and neutrons are found in a atom
- Substance used to cause a chemical reaction
- The base unit of amount of a substance as determined by the International System of Units
- Electrons in the outermost shell of an atom
- Elements that have the same atomic number but different number of neutrons
- The study of substances and their behaviors
- A substance composed of two or more chemical elements
15 Clues: The heaviest part of an atom • The smallest part of an atom • The results of a chemical reaction • The part of the atom with a positive charge • Substance used to cause a chemical reaction • Electrons in the outermost shell of an atom • The study of substances and their behaviors • The least reactive group on the periodic table • ...
Chemistry Vocabulary 2022-02-18
Across
- Row in the periodic table
- Amount of matter in an object
- electron Outermost electrons in an atom
- Big molecule becomes two little ones
- Recipe that describes what you need to do to make a reaction take place
- Solid that gets dissolved in a solution
- Elements in group 17, very reactive
Down
- Contains more than one atom
- Higher energy level that electrons jump to when energy is added
- Liquid that dissolves the solid in a solution
- Anything that gives off H+ ions in water
- One big molecule from two smaller ones
- A molecule containing carbon and hydrogen
- mass The mass of one mole of particles
- Result of a chemical reaction
15 Clues: Row in the periodic table • Contains more than one atom • Amount of matter in an object • Result of a chemical reaction • Elements in group 17, very reactive • Big molecule becomes two little ones • One big molecule from two smaller ones • mass The mass of one mole of particles • electron Outermost electrons in an atom • Solid that gets dissolved in a solution • ...
Chemistry Vocab 2022-02-18
Across
- elements in group 17
- row in the periodic table
- amount of matter in an object
- mass mass of one mole of particles
- solid that gets dissolved in solution
- anything that gives off H+ ions in water
- liquid that dissolves the solute
- when something doesn’t dissolve
Down
- big molecule turns into two or more little ones
- mixture of two metals
- molecule containing carbon and hydrogen
- what you make from reaction
- 6.02 x10^23 units
- column in the periodic table
- organic molecule containing at least one C=C bond
15 Clues: 6.02 x10^23 units • elements in group 17 • mixture of two metals • row in the periodic table • what you make from reaction • column in the periodic table • amount of matter in an object • when something doesn’t dissolve • liquid that dissolves the solute • mass mass of one mole of particles • solid that gets dissolved in solution • molecule containing carbon and hydrogen • ...
Chemistry Crossword 2022-02-17
Across
- When water hits the ____ it turns from a liquid to a gas.
- Coke is a ____ because it is the same all throughout.
- Methane has the ____ CH4.
- Carbon is an ____ as it is a pure substance that cannot be changed into anything simpler.
- Aluminum, commonly being pressed into thing sheets is a ____ material.
- Hydrogen Peroxide is a _____ because it is composed entirely of one identical particles, H2O2.
- Rust is the result of ____, as it is iron which has reacted with oxygen over time.
- Water is often an example to use when describing ____ of matter, because it can be commonly seen as a solid, a liquid, and a gas.
Down
- Cake is not a ____ as there are parts of the cake that are completely different from another.
- A cube of tungsten if cut, will go through a ____ because it is still tungsten.
- Table salt is ____ because it dissolves in water.
- Hydrogen is the first element on the ____ of elements.
- Petroleum is considered ____, because of its ability to react rapidly with oxygen and release energy.
- Chocolate has a relatively low ____ since it turns to a liquid with just body heat.
- This clock is ____ because it has mass and volume.
15 Clues: Methane has the ____ CH4. • Table salt is ____ because it dissolves in water. • This clock is ____ because it has mass and volume. • Coke is a ____ because it is the same all throughout. • Hydrogen is the first element on the ____ of elements. • When water hits the ____ it turns from a liquid to a gas. • ...
Chemistry Crossword 2022-05-20
Across
- a particle that surrounds the nucleus of an atom
- area around the nucleus where electrons are found
- used to express any number as a number multiplied by 10
- the studies of matter and the changes it undergoes
- a tabular display of the chemical elements.
- made of amino acids linked together in a specific order. all living organisms are made from these
Down
- gamma,alpha,beta are examples of what
- the volume of a fixed amount of gas held at a constant temp varies inversely with the pressure
- a testable explanation for a problem using what you know or observe
- SI base unit to measure the amount of a substance
- the complete or partial loss of electrons from a reacting substance
- tests that are conducted to prove or disprove a hypothesis
- compounds that contain multiple hydroxyl groups
- the SI base unit for temperature
- a neutral particle inside the nucleus of an atom
15 Clues: the SI base unit for temperature • gamma,alpha,beta are examples of what • a tabular display of the chemical elements. • compounds that contain multiple hydroxyl groups • a particle that surrounds the nucleus of an atom • a neutral particle inside the nucleus of an atom • SI base unit to measure the amount of a substance • ...
Chemistry Crossword 2025-01-09
Across
- Mixture Salt Water
- Substance Is divided into 2+ categories
- currently a gas normally a liquid
- gets absorbed and released
- Low KE particles can move but close
- High KE particles separated and moving
- Matter with variable composition
Down
- Metals many are gases
- most are solids at room temp
- Matter with constant composition
- Mixture Raisin Bran
- Gas like variable
- Anything with mass that occupies space
- substance made from 2+ elements
- Substance made of atoms
15 Clues: Gas like variable • Mixture Salt Water • Mixture Raisin Bran • Metals many are gases • Substance made of atoms • gets absorbed and released • most are solids at room temp • substance made from 2+ elements • Matter with constant composition • Matter with variable composition • currently a gas normally a liquid • Low KE particles can move but close • ...
Chemistry Revision 2023-10-13
Across
- Solid to Gas
- Liquid to Solid
- Sodium Chloride
- Particles in fluids move randomly
- Gas to Liquid
- decreasing the concentration of a solute in a solution
- It is a graph that uses the measurement /100g water
- When the particles are touching but not as close as a solid
Down
- When particles are far apart
- The only way that they move is by vibrating
- A substance with a solute and solvent mixed together
- Solid to Liquid
- Liquid to Gas
- A substance mixed in a solvent
- The movement of particles from a high concentration to a low concentration
15 Clues: Solid to Gas • Liquid to Gas • Gas to Liquid • Solid to Liquid • Liquid to Solid • Sodium Chloride • When particles are far apart • A substance mixed in a solvent • Particles in fluids move randomly • The only way that they move is by vibrating • It is a graph that uses the measurement /100g water • A substance with a solute and solvent mixed together • ...
Chemistry Crossword 2024-10-09
Across
- a particle of matter with no charge
- an element that resembles both a metal and a nonmetal
- an electrically charged atom
- the smallest unit of a compound
- positively charged atomic particles
- a region where electrons are located
- relating to living organisms
- a column in the periodic table
Down
- the basic chemical substances from which all matter is made
- a solid, inorganic substance such as graphite or gold
- a substance formed by the chemical reaction of two or more elements
- a particle of matter with a negative charge
- a row in the periodic table
- atoms of the same element that contain different numbers of neutrons
- the smallest unit of an element
15 Clues: a row in the periodic table • an electrically charged atom • relating to living organisms • a column in the periodic table • the smallest unit of a compound • the smallest unit of an element • a particle of matter with no charge • positively charged atomic particles • a region where electrons are located • a particle of matter with a negative charge • ...
Chemistry vocab 2025-04-14
Across
- a substance that is usually sour like lemon juice
- anything that takes up space
- a test used to discover new information about a question
- a name for people in the past that mixed chemicals together
- to combine two or more things
- to pay close attention to something
- information that can be used to support or reject an idea
Down
- a material that has specific properties
- a state of matter that you can pour
- a very tiny thing, sometimes too small to see
- when one substance mixes with another and it looks like the substance disappears
- a state of matter that freely flows in a space
- a combination of two or more things
- a special kind of mixture where you cannot tel the different parts from each other
- something you can observe about an object or material
15 Clues: anything that takes up space • to combine two or more things • a state of matter that you can pour • a combination of two or more things • to pay close attention to something • a material that has specific properties • a very tiny thing, sometimes too small to see • a state of matter that freely flows in a space • a substance that is usually sour like lemon juice • ...
Chemistry 5 2022-03-23
Across
- Particles are in constant motion
- Overall enthalpy change in a reaction is equal to the sum of the enthalpy changes for the individual steps in the process.
- enthalpy of products - enthalpy of reactants
- Standard Temperature and Pressure
- The temperature and pressure at which the solid, liquid, and gas phases co-exists.
- Heat energy released; products lower
- The change of a solid directly to a gas
- Where substance indicates the critical temperature and critical pressure.
- The amount of energy required to melt one mole of a solid
Down
- The amount of energy as heat needed to vaporize one mole of a liquid.
- using Hess' law; process equals the sum of the energy difference of products minus the sum of the energy difference of the reactants
- Heat energy is absorbed; products higher
- Liquids that do not evaporate readily because of strong attractive forces between particles.
- A graph of pressure and temperature that shows the conditions under which a substance exists.
- The change of a gas directly to a solid.
15 Clues: Particles are in constant motion • Standard Temperature and Pressure • Heat energy released; products lower • The change of a solid directly to a gas • Heat energy is absorbed; products higher • The change of a gas directly to a solid. • enthalpy of products - enthalpy of reactants • The amount of energy required to melt one mole of a solid • ...
chemistry Ch3 2022-10-06
Across
- standard metric system of dimensions used by scientists worldwide
- one of 22 accepted combinations of SI units
- a ratio of two equivalent measures; the fraction's value is equal to one
- a comparison of the measurement error with the size of the measurement itself; a quantity of the uncertainty of a measurement; indication of how accurate measurement is
- to accurately subdivide into scaled measurement units
- a quantity used to measure one of the 7 basic dimensions of the universe: space, matter, and time; based on a physical constant
- information collected by recording observations (detailed description or measurement)
Down
- comparing an unknown quantity to a known standard unit
- any measurable property of an object or a system
- a word label that defines one part of a measured dimension
- includes all the known certain digits of the measurement plus one additional estimated digit; an indication of a measurement's precision
- a collection of related dimensional units
- an evaluation of how exact and reproducible a measurement is; also the exactness of the measuring device
- an evaluation of how close the measured value is to the actual or accepted value; also applied to the measuring device
- any artificial device made for the purpose of refining, extending, or substituting for the human sense when measuring
15 Clues: a collection of related dimensional units • one of 22 accepted combinations of SI units • any measurable property of an object or a system • to accurately subdivide into scaled measurement units • comparing an unknown quantity to a known standard unit • a word label that defines one part of a measured dimension • ...
fun chemistry 2022-07-24
Across
- state change from solid to gas
- group 1 element
- reaction between an acid and a base
- reactions that give out heat energy
- a substance that increases rate of reaction
- spreading of particles from higher to lower concentration
- corrosion of iron
Down
- water soluble base
- particles present in the nucleus
- a separating technique
- an alloy
- breaking up of rocks into smaller pieces
- color of litmus in acidic solutions
- a halogen
- a property of metal
15 Clues: an alloy • a halogen • group 1 element • corrosion of iron • water soluble base • a property of metal • a separating technique • state change from solid to gas • particles present in the nucleus • reaction between an acid and a base • reactions that give out heat energy • color of litmus in acidic solutions • breaking up of rocks into smaller pieces • ...
Chemistry Crossword 2022-01-07
Across
- the ____ rule says atoms will gain or lose enough electrons to have the same amount of electrons as a noble gas
- The octet rule says that after losing or gaining electrons an atom will be _____ with a noble gas
- CH2O is what geometric shape (hint _____ planar)
- The chemical formula for an ionic compound that is
- CO2 is what geometric shape
- H2O is what geometric shape
- in the smallest whole-number ratio
Down
- The electron pairs (both shared and unshared) in the outermost energy level try to get as far apart from each other as possible.
- a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds.
- covalent bonds are a lot ____ than ionic bonds
- ______ bonding involves a sharing of electrons
- a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds.
- Central atom has no unshared pairs and is sharing electrons with 4 other atoms
- Central atom has one unshared pair and is sharing electrons with 3 other atoms
- ______ bonding involves a transfer off electrons
15 Clues: CO2 is what geometric shape • H2O is what geometric shape • in the smallest whole-number ratio • covalent bonds are a lot ____ than ionic bonds • ______ bonding involves a sharing of electrons • CH2O is what geometric shape (hint _____ planar) • ______ bonding involves a transfer off electrons • The chemical formula for an ionic compound that is • ...
Organic Chemistry 2022-01-26
Across
- compounds in which all of the carbon atoms are connected by a single bond
- organic compound connected by single, double, or triple bonds to form nonaromatic structures
- an organic reaction where two or more molecules combine to make a larger one
- molecular fragment that departs with a pair of electrons
- reactant that provides a pair of electrons to form a new covalent bond
- simplest whole number ratio for atoms in a compound
- chemical symbols for elements followed by the number of atoms present
- compounds that have the same empirical formula but differ in arrangement of atoms
Down
- compounds that have at least one double or triple bond between carbons
- change of state of matter from gas to a liquid
- substance that takes part in and undergoes changes in a reaction
- shows movement of single electrons during breaking of the bond
- an addition reaction followed by an elimination reaction
- shows movements of electrons during organic reactions
- aromatic organic compounds
15 Clues: aromatic organic compounds • change of state of matter from gas to a liquid • simplest whole number ratio for atoms in a compound • shows movements of electrons during organic reactions • an addition reaction followed by an elimination reaction • molecular fragment that departs with a pair of electrons • shows movement of single electrons during breaking of the bond • ...
chemistry crossword 2023-01-05
Across
- from a solid to a liquid
- particles are closely packed together
- from a liquid to a solid
- elements and compounds not joined together
- smallest part of an element
- from a liquid to a gas
- a gas we breathe out
Down
- this can fill a container
- made up of one type of atom
- where all the elements are found
- a gas that we breathe in
- a form of carbon
- how reactive something is
- made up of two or more elements joined together
- particles are far apart
15 Clues: a form of carbon • a gas we breathe out • from a liquid to a gas • particles are far apart • from a solid to a liquid • a gas that we breathe in • from a liquid to a solid • this can fill a container • how reactive something is • made up of one type of atom • smallest part of an element • where all the elements are found • particles are closely packed together • ...
Chemistry Voabularies 2023-02-01
Across
- one or more substances found before the arrow
- changes in a property of matter that transforms and yields a new matter
- the substances present at the end of the chemical reaction, they are found after the arrow
- ________ is vaporization that occurs at the surface of a liquid and can occur at temperature below the liquid's boiling point
- represents the direction of the chemical reaction; read as 'yields'
- the extra kinetic energy in the ____ phase allows particles to partially overcome the attractions to other particles (thus the particles can slide pass each other)
- The _________ of a liquid is the temperature at which the pressure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid.
- The amount of energy required to change a substance from the solid phase to the liquid phase at its melting point is known as the __________.
Down
- is the total energy of a material's particles, including kinetic and potential energy
- in this phase the particles are moving so quickly they overcome the attractive forces between them.
- the law of ________ states that the mass of all substances that are present before a chemical change equals the mass of all the substances that remain after the change.
- usually a reversible change in matter that does not yield no identity
- The __________ is a force pushing down upon a liquid, keeping particles from escaping.
- type of matter that has the greatest attraction between its molecules, has definite shape and volume
- is the spreading of particles throughout a given volume until they are uniformly distributed.
15 Clues: one or more substances found before the arrow • represents the direction of the chemical reaction; read as 'yields' • usually a reversible change in matter that does not yield no identity • changes in a property of matter that transforms and yields a new matter • is the total energy of a material's particles, including kinetic and potential energy • ...
Chemistry Crossword 2025-12-03
Across
- This element is used in borosilicate glass, which does not break easily when heated.
- This element is s the lightest element on the periodic table.
- This element is the major positive ion inside human cells and is found in bananas.
- This element is added to salt to prevent deficiency and helps the thyroid function properly.
- This metal is found in chlorophyll and helps plants capture sunlight.
- This element can form toxic vapors when heated and was once used in old switches that rely on its liquid conductivity.
- This valuable metal does not rust and is used to make jewelry.
- This element is found in all living things.
- This metal is used in electrical wires.
Down
- This element glows faintly in the dark and is found in ATP, the energy molecule in cells.
- This element is the main ion responsible for fluid balance in the human body
- This element strengthens bones.
- This element is used in some photographic chemicals
- This element is added to toothpaste.
- This gas is added to pool water to kill bacteria.
15 Clues: This element strengthens bones. • This element is added to toothpaste. • This metal is used in electrical wires. • This element is found in all living things. • This gas is added to pool water to kill bacteria. • This element is used in some photographic chemicals • This element is s the lightest element on the periodic table. • ...
Chemistry Vocab 2025-10-16
Across
- No two electrons in the same atom can occupy the same orbital with the same spin.
- cloud Location of electrons(outside of nucleus).
- The minimum amount of energy that an electron gains/loses when it changes energy levels.
- An element that tends to loose electrons in a bond and is a good insulator(right of zigzag line).
- The amount of energy required to remove the most loosely held electron from an atom.
- Element that has some characteristics of metals and some of nonmetals(sit in the line).
- The first person credited for arranging elements in order of properties on a periodic table.
Down
- Determines the size of an atom.
- The physical and chemical properties of an element are a function of their atomic number.
- Organized space within an energy level, names s, p, and f. These spaces have associated shapes.
- A measure of how hard an atom pulls on BONDING electrons.
- It is impossible to know both the velocity and position of an electron.
- A 3-D area within a sublevel where there is a high probability of finding an electron.
- A diagram that represents the valence electrons of an atom of an element surrounding the chemical symbol of that element.
- The electrons in the outer most energy level, only 8 possible must be in the highest energy level sublevel s and p. These are the first electrons involved in bonding.
15 Clues: Determines the size of an atom. • cloud Location of electrons(outside of nucleus). • A measure of how hard an atom pulls on BONDING electrons. • It is impossible to know both the velocity and position of an electron. • No two electrons in the same atom can occupy the same orbital with the same spin. • ...
Chemistry Crossword 2025-11-05
Across
- the first element discovered on the sun
- Has a pH >7
- a method of separating mixtures
- number of protons oxygen
- An example of this is litmus paper
- Na is the abbreviation for what element
- One reason why water travels down a slated string
- Phase of matter having no definite shape or volume
Down
- 1st step to the scientific method
- A glass of salt water is an example of a
- all acid elements contain
- blue litmus paper red
- Chemical Properties Elements in the same vertical column on the periodic table have
- hard water has what element in it
- when balancing chemical equations you want them to be
15 Clues: Has a pH >7 • blue litmus paper red • number of protons oxygen • all acid elements contain • a method of separating mixtures • 1st step to the scientific method • hard water has what element in it • An example of this is litmus paper • the first element discovered on the sun • Na is the abbreviation for what element • A glass of salt water is an example of a • ...
Chemistry Crossword 2026-01-15
Across
- Method to extract aluminium
- Particle with a negative charge
- Reaction that releases heat
- Shared pair of electrons
- Method of reducing landfill and waste
- Particle with no charge found in the nucleus
- Column in the periodic table
Down
- Substance that speeds up rates of reaction
- Squeaky pop test
- Increases rate by increasing collisions
- Loss of electrons
- Type of bonding between metal and non-metal
- Acid with a pH of 1-3
- dioxide Gas that causes global warming
- Unit of measuring acidity
15 Clues: Squeaky pop test • Loss of electrons • Acid with a pH of 1-3 • Shared pair of electrons • Unit of measuring acidity • Method to extract aluminium • Reaction that releases heat • Column in the periodic table • Particle with a negative charge • Method of reducing landfill and waste • dioxide Gas that causes global warming • Increases rate by increasing collisions • ...
Chemistry Crossword 2026-01-21
Across
- Light metal used in phone batteries
- Yellow element with a strong smell
- Gas humans need to survive
- Mineral needed for strong
- Metal found in table salt
- Noble gas used in light bulbs
- Element found in all living things
- Gas that glows in bright signs
Down
- Metal that helps muscles work
- A noble gas used in balloons
- Lightweight metal used in foil and cans
- The first element on the periodic table
- Makes up most of the air we breathe
- Element used to keep pools clean
- Metal that carries oxygen in blood
15 Clues: Mineral needed for strong • Metal found in table salt • Gas humans need to survive • A noble gas used in balloons • Metal that helps muscles work • Noble gas used in light bulbs • Gas that glows in bright signs • Element used to keep pools clean • Yellow element with a strong smell • Metal that carries oxygen in blood • Element found in all living things • ...
Chemistry Crossword 2026-01-09
Across
- – ธาตุที่มีค่า EN สูงที่สุด
- – โลหะนำไฟฟ้าและความร้อนได้ดี
- – โลหะมีค่าที่นำไฟฟ้าได้ดีที่สุด (Ag)
- – ธาตุหมู่ 17 ใช้ฆ่าเชื้อในน้ำ
- – ก๊าซมีตระกูล คาบ 2
- – อโลหะหมู่ 16 คาบ 3
- – ธาตุทรานซิชัน สัญลักษณ์ Fe
Down
- – อโลหะหมู่ 15 พบในปุ๋ย
- – กึ่งโลหะ ใช้ในอุตสาหกรรมอิเล็กทรอนิกส์
- – ธาตุกัมมันตรังสี เลขอะตอม 92
- – โลหะที่เป็นของเหลวที่อุณหภูมิห้อง
- – โลหะมีค่า ไม่เกิดสนิม นำไฟฟ้าได้ดี (Au)
- – องค์ประกอบหลักของอากาศ (~78%)
- – โลหะหมู่ 1 คาบ 3 ทำปฏิกิริยากับน้ำได้ดี
- – ธาตุหลักของสารอินทรีย์
15 Clues: – ก๊าซมีตระกูล คาบ 2 • – อโลหะหมู่ 16 คาบ 3 • – อโลหะหมู่ 15 พบในปุ๋ย • – ธาตุหลักของสารอินทรีย์ • – ธาตุที่มีค่า EN สูงที่สุด • – ธาตุทรานซิชัน สัญลักษณ์ Fe • – โลหะนำไฟฟ้าและความร้อนได้ดี • – ธาตุกัมมันตรังสี เลขอะตอม 92 • – ธาตุหมู่ 17 ใช้ฆ่าเชื้อในน้ำ • – องค์ประกอบหลักของอากาศ (~78%) • – โลหะที่เป็นของเหลวที่อุณหภูมิห้อง • – โลหะมีค่าที่นำไฟฟ้าได้ดีที่สุด (Ag) • ...
Chemistry crossword 2025-10-11
Across
- Contains one or more double or triple bonds between carbon atoms.
- A diagram showing all atoms and bonds in a molecule.
- A compound made up of only hydrogen and carbon atoms.
- A family of organic compounds with the same functional group and similar chemical properties.
- A reaction where atoms are added across a double bond
- A formula that shows how atoms are arranged in a molecule.
- A reaction with oxygen that produces carbon dioxide and water complete or carbon monoxide/soot incomplete
- An unsaturated hydrocarbon with at least one carbon carbon double bond
Down
- A formula that applies to all members of a homologous series
- The atom or group of atoms responsible for the characteristic reactions of a compound
- A saturated hydrocarbon with single bonds only
- Compounds with the same molecular formula but different structural formulas.
- A reaction in which one atom or group replaces another
- Contains only single bonds between carbon atoms.
- The process of breaking large hydrocarbon molecules into smaller, more useful ones
15 Clues: A saturated hydrocarbon with single bonds only • Contains only single bonds between carbon atoms. • A diagram showing all atoms and bonds in a molecule. • A compound made up of only hydrogen and carbon atoms. • A reaction where atoms are added across a double bond • A reaction in which one atom or group replaces another • ...
Organic Chemistry 2026-04-21
Across
- C6H12O6 is the chemical formula of something we consume daily
- A material capable of being shaped or formed
- the shape of benzene
- a substance acted upon by an enzyme
- The name of the first modern plastic
- Hydrogen, oxygen, nitrogen, and this element make up organic substances
- A term for a compound containing carbon and hydrogen atoms
Down
- the results of a chemical reaction where chemical bonds are broken or rearranged
- a substance that speeds up a chemical reaction
- Kekule discovered the structure of this organic compound in a dream, C6H6
- A term used to describe a compound made in a laboratory
- Substances from living things
- proteins that help specific chemical reactions to occur
- A naturally occurring molecule used to fight malaria
- the color of aniline, the first synthetic dye
15 Clues: the shape of benzene • Substances from living things • a substance acted upon by an enzyme • The name of the first modern plastic • A material capable of being shaped or formed • the color of aniline, the first synthetic dye • a substance that speeds up a chemical reaction • A naturally occurring molecule used to fight malaria • ...
Raymond - Chemistry 2026-04-16
Across
- Used to measure [H3O]
- Less than 7 in pH
- The point when the two substances have the same molar amounts in a titration reaction
- Most common neutral substance
- Paper used to determine if it is an acid or a base
- More than 7 in pH
- Used to measure [OH]
Down
- Ion related to bases
- Ion related to acids
- Unit used to measure the concentration of pH
- Relation between pH and hydronium ion concentration
- One of the reactants of a neutralization reaction
- Equal parts of acids and bases
- Used to to determine the precise concentration of a substance
- Type of flask used in a titration experiment
15 Clues: Less than 7 in pH • More than 7 in pH • Ion related to bases • Ion related to acids • Used to measure [OH] • Used to measure [H3O] • Most common neutral substance • Equal parts of acids and bases • Unit used to measure the concentration of pH • Type of flask used in a titration experiment • One of the reactants of a neutralization reaction • ...
Nuclear Chemistry 2026-05-08
Across
- The process by which an unstable atomic nucleus loses energy by radiation.
- The heavy element used as fuel in the Chernobyl RBMK reactor.
- Atoms of the same element that have different numbers of neutrons.
- These particles consist of two protons and two neutrons, essentially a helium nucleus.
- The antimatter counterpart to an electron, carrying a positive charge.
- The name of the city closest to the power plant that was evacuated in 1986.
- The process of splitting a heavy nucleus into two lighter nuclei, releasing energy.
- The time required for half of a radioactive substance to decay.
Down
- An electron or positron emitted during radioactive decay.
- The emission of energy as electromagnetic waves or moving subatomic particles.
- The small, dense center of an atom containing protons and neutrons.
- High-energy electromagnetic radiation that has no mass and no charge.
- The structure where nuclear chain reactions are initiated and controlled.
- The material used as a moderator in the Chernobyl reactor that caught fire.
- The process where two light nuclei combine to form a heavier nucleus.
15 Clues: An electron or positron emitted during radioactive decay. • The heavy element used as fuel in the Chernobyl RBMK reactor. • The time required for half of a radioactive substance to decay. • Atoms of the same element that have different numbers of neutrons. • The small, dense center of an atom containing protons and neutrons. • ...
chemistry vocab 2026-08-05
Across
- Beginning substances that start reaction
- Depends on type of matter
- Substance that are formed during reaction
- Absorbs surrounding energy
- Carry electoral charge
- Measurable amount of matter
- Properties of both metals and nonmetals
Down
- Releases energy into surroundings
- Depends on the amount of matter
- Made from two atoms of two or more elements
- Currently a gas normally as solid or liquid
- Particles can separate and move
- Particles can move but are close
- Particles vibrate but can't move
- Measurable amount of space
15 Clues: Carry electoral charge • Depends on type of matter • Absorbs surrounding energy • Measurable amount of space • Measurable amount of matter • Depends on the amount of matter • Particles can separate and move • Particles can move but are close • Particles vibrate but can't move • Releases energy into surroundings • Properties of both metals and nonmetals • ...
Chemistry Crossword 2026-08-13
Across
- - Property allowing a metal to be hammered into thin sheets
- - Slow surface degradation of a metal from moisture, air or acid
- - Principal ore from which aluminium is extracted
- - Unwanted rocky/earthy impurities mixed with an ore
- - Type of oxide, like aluminium's, that reacts with both acids and bases
- - Heating a sulphide ore strongly in excess air to convert it to an oxide
- - Homogeneous mixture of metals with deliberately altered properties
Down
- - Heating a carbonate ore strongly in limited/absent air
- - Property allowing a metal to be drawn into thin wire
- - The only metal that is liquid at room temperature
- - Alkali metal stored in kerosene owing to its violent reaction with water
- - Electrode where impure metal dissolves during electrolytic refining
- - Combining capacity determined by electrons lost, gained or shared
- - Bond type formed when a metal's valence electrons are transferred to a non-metal
- - Non-metal that forms allotropes; graphite breaks the non-metal "no conduction" rule
15 Clues: - Principal ore from which aluminium is extracted • - The only metal that is liquid at room temperature • - Unwanted rocky/earthy impurities mixed with an ore • - Property allowing a metal to be drawn into thin wire • - Heating a carbonate ore strongly in limited/absent air • - Property allowing a metal to be hammered into thin sheets • ...
Mr Faint's level 2021-03-18
16 Clues: the pain • a flower • ho Anglican • hurt cranium • not the stanza • played in tune • fix my car please • someone who studies • repeated and softer • where your food goes • stand up or the fool • pay my way for results • mixtures and substances • a person who mixes stuff • go there for an education • anglican and catholic alike
School subjects 2017-09-20
The Commercial Environment/The Sciences 2024-09-16
9 Clues: Plants • Substances • Atmosphere • Microorganisms • Living Organisms • Humidity, Moisture • Relation of Organisms • Earth's Physical Features • Earth's Physical Structure
