chemistry Crossword Puzzles
Chemistry Crossword 2024-12-15
Across
- Oxidation number of oxygen atoms in H2O2.
- Bee stings are .....
- The only liquid metal.
- The anion of Nitric acid.
- Number of moles of oxygen in two moles of sodium oxide.
- is gaining an electron
- is gaining oxygen
- Number of Oxygen moles is 2 moles of potassium nitrate.
Down
- Is oxidized
- Another name of dihydrogen monoxide!
- Is made up carbon like graphite in your pencil!
- Is reduced
- Are made from a metal cation and acid anion.
- Is breaking down salt into its beginner substances.
- Charge of anode in electrolytic cell
- The solid form of carbon dioxide
- Converts chemical energy to electrical energy
17 Clues: Is reduced • Is oxidized • is gaining oxygen • Bee stings are ..... • The only liquid metal. • is gaining an electron • The anion of Nitric acid. • The solid form of carbon dioxide • Another name of dihydrogen monoxide! • Charge of anode in electrolytic cell • Oxidation number of oxygen atoms in H2O2. • Are made from a metal cation and acid anion. • ...
Chemistry Revision 2025-11-25
Across
- Mass ÷ volume =
- What the particle model has when it simplifies real particles.
- A large amount of solute in a solvent
- What is broken when a liquid turns to a gas
- A reaction that absorbs heat and breaks bonds.
- Solid → liquid.
- A change where no new substance is made.
- Liquid → solid.
Down
- Solid → gas.
- Gas → liquid.
- A state of matter with fixed shape, volume and the particles vibrate on the spot.
- A reaction that releases heat and forms bonds.
- The amount of space something takes up.
- A reaction that forms new substances.
- State of matter with no fixed shape or volume.
- Substance with more than one component making it a mixture.
- A substance made of only one type of particle.
17 Clues: Solid → gas. • Gas → liquid. • Mass ÷ volume = • Solid → liquid. • Liquid → solid. • A large amount of solute in a solvent • A reaction that forms new substances. • The amount of space something takes up. • A change where no new substance is made. • What is broken when a liquid turns to a gas • A reaction that releases heat and forms bonds. • ...
Organic Chemistry 2025-11-08
Across
- Catalyst needed for reduction of Aldehydes to Alcohol
- Repeating units of chloroethene
- Oxidising Agent
- Formed when a carboxylic acid and an alcohol react
- Formed when a secondary alcohol is oxidised
- Formed when Ethanoic acid reacts with ethanol
- Type of reaction when an alcohol is converted to an alkene
Down
- Gas formed when ethanoic acid reacts with magnesium metal
- Turns colourless when added to an ethene
- Turns a red brick colour when heated with ethanal
- Organic Compounds made of hydrogen and carbon only
- Condition needed for a substitution reaction
- Type of alcohol formed when an aldehyde is reduced
- Type of alcohol where the carbon bonded to the hydroxyl group is bonded to two other carbons
- Formed when an ester reacts with a base
- Type of reaction when a alkane is converted to a haloalkane
- Type of reaction when an alkene is converted into a haloalkene
17 Clues: Oxidising Agent • Repeating units of chloroethene • Formed when an ester reacts with a base • Turns colourless when added to an ethene • Formed when a secondary alcohol is oxidised • Condition needed for a substitution reaction • Formed when Ethanoic acid reacts with ethanol • Turns a red brick colour when heated with ethanal • ...
Chemistry 1 2026-02-12
Across
- these are made of bonded atoms
- atoms of the same element that have different numbers of neutrons
- the outer shell electrons that are used for chemical bonds
- the molecules that are created after a chemical reaction
- a negatively charged subatomic particle
- a subatomic particle with no charge
- a building block of every substance
- the sum of protons and neutrons in an atom
- positively charged subatomic particle
Down
- arranged horizontally these signify atoms that add electrons to the same shell
- consists of the protons and neutrons in an atom
- the number of protons in an atom
- the description of a chemical reaction
- the molecules that are combined to create a chemical reaction
- atoms that have the same number of protons
- an atom that has gained or lost at least one electron
- arranged vertically these atoms have similar properties
17 Clues: these are made of bonded atoms • the number of protons in an atom • a subatomic particle with no charge • a building block of every substance • positively charged subatomic particle • the description of a chemical reaction • a negatively charged subatomic particle • atoms that have the same number of protons • the sum of protons and neutrons in an atom • ...
Organic Chemistry 2026-05-05
Across
- the name you give a CH3 group
- the suffix for singly bonded carbons
- opposite sides
- carboxylic acid group
- an oxygen attached to a carbon that has a hydrogen also attached
- the suffix for doubly bonded carbons
- 2 carbon chain with an alcohol
- the prefix for a 5 carbon chain
- an OH group attached to carbon chain
- the prefix for a 12 carbon chain
Down
- the simplest carbon molecule
- same side
- an oxygen double bonded to a carbon attached to 2 other carbons
- the number of carbons found on a octane molecule
- implied in line structure when attached to carbon
- the backbone of all organic molecules
- the prefix for 3 carbon chain
17 Clues: same side • opposite sides • carboxylic acid group • the simplest carbon molecule • the name you give a CH3 group • the prefix for 3 carbon chain • 2 carbon chain with an alcohol • the prefix for a 5 carbon chain • the prefix for a 12 carbon chain • the suffix for singly bonded carbons • the suffix for doubly bonded carbons • an OH group attached to carbon chain • ...
school subjects 2024-01-29
11 Clues: EPS • chimie • anglais • physique • français • Histoire • technologie • informatique • étude du vivant • science des nombres • un cours qui n'existe pas en France
Human 2019-05-15
14 Clues: new • feeling • sickness • remove skin • type of house • unknown thing' • first day alive • comes from meat • playing together • make/create something • famous music composer • job that study people • subject about the body • subject about chemicals
Science Stars Option 4 Creative Study 2013-11-11
Across
- Two or more elements bounded together chemically.
- A sub-particle of an atom and has a neutral charge.
- The study of the composition of substances and the changes they undergo.
- The amount of space an object takes up.
- Study the composition of substances.
- A particular kind of matter that has a uniform and definite composition.
- The amount of matter in an object.
- A sub-particle of an atom and has a positive charge.
- A sub-particle of an atom and has a negative charge.
- Study of the chemistry of living things.
Down
- Accumulation of knowledge for knowledge's own sake.
- Study of substances containing carbon.
- Study of substances containing carbon.
- Study the theory and behavior of chemical processes.
- Goals benefitting a specific cause.
- Anything that takes up space and has mass.
- Also known as Phases of Matter
- The smallest particle of an element that still maintains all characteristics of the element.
- Simplest form of matter which possesses all characteristics of that type of matter.
19 Clues: Also known as Phases of Matter • The amount of matter in an object. • Goals benefitting a specific cause. • Study the composition of substances. • Study of substances containing carbon. • Study of substances containing carbon. • The amount of space an object takes up. • Study of the chemistry of living things. • Anything that takes up space and has mass. • ...
Science Stars Option 4 Creative Study 2013-11-11
Across
- Accumulation of knowledge for knowledge's own sake.
- The smallest particle of an element that still maintains all characteristics of the element.
- Study the composition of substances.
- Two or more elements bounded together chemically.
- Simplest form of matter which possesses all characteristics of that type of matter.
- A sub-particle of an atom and has a neutral charge.
- Also known as Phases of Matter
- Anything that takes up space and has mass.
- Goals benefitting a specific cause.
- The study of the composition of substances and the changes they undergo.
- A particular kind of matter that has a uniform and definite composition.
Down
- Study of substances containing carbon.
- A sub-particle of an atom and has a positive charge.
- A sub-particle of an atom and has a negative charge.
- Study of the chemistry of living things.
- Study the theory and behavior of chemical processes.
- The amount of space an object takes up.
- Study of substances containing carbon.
- The amount of matter in an object.
19 Clues: Also known as Phases of Matter • The amount of matter in an object. • Goals benefitting a specific cause. • Study the composition of substances. • Study of substances containing carbon. • Study of substances containing carbon. • The amount of space an object takes up. • Study of the chemistry of living things. • Anything that takes up space and has mass. • ...
PIVOT POINT CHAPTER 5 CHEMISTRY 2014-10-29
Across
- (carbon, hydrogen, nitrogen and sulfur)
- The chemistry that studies all matter that is not alive, has never been alive and does not contain carbon, such as rocks, water and minerals
- Basic substances that cannot be broken down into simpler substances
- A change in the physical characteristics of a substance without creating a new substance
- Matter with definite weight but indefinite volume and shape
Down
- The most abundant element in the earth's crust and the second most abundant element in the earth's atmosphere
- What is comprised of two solids (carbon and sulfur) and three gases (hydrogen, nitrogen and oxygen)
- The chemistry that deals with all matter that is now living or was alive at one time, with carbon present, such as plants and animals
- The scientific study of matter and the physical and chemical changes of matter
- Matter with definite weight, volume and shape
- A change in a substance that creates a new substance with chemical characteristics different from those of the original substance
- Matter with definite weight and volume but no definite shape
12 Clues: (carbon, hydrogen, nitrogen and sulfur) • Matter with definite weight, volume and shape • Matter with definite weight but indefinite volume and shape • Matter with definite weight and volume but no definite shape • Basic substances that cannot be broken down into simpler substances • The scientific study of matter and the physical and chemical changes of matter • ...
Science Stars Option 4 Creative Study 2013-11-11
Across
- Goals benefitting a specific cause.
- Study of substances containing carbon.
- Study the theory and behavior of chemical processes.
- A sub-particle of an atom and has a neutral charge.
- Study of the chemistry of living things.
- The smallest particle of an element that still maintains all characteristics of the element.
- The study of the composition of substances and the changes they undergo.
- Anything that takes up space and has mass.
Down
- Study the composition of substances.
- Study of substances containing carbon.
- The amount of matter in an object.
- Accumulation of knowledge for knowledge's own sake.
- Also known as Phases of Matter
- A sub-particle of an atom and has a positive charge.
- A particular kind of matter that has a uniform and definite composition.
- Simplest form of matter which possesses all characteristics of that type of matter.
- Two or more elements bounded together chemically.
- A sub-particle of an atom and has a negative charge.
- The amount of space an object takes up.
19 Clues: Also known as Phases of Matter • The amount of matter in an object. • Goals benefitting a specific cause. • Study the composition of substances. • Study of substances containing carbon. • Study of substances containing carbon. • The amount of space an object takes up. • Study of the chemistry of living things. • Anything that takes up space and has mass. • ...
kin 2022-08-21
15 Clues: fav role • fav color • fav candy • fav fruit • fav animal • fav cartoon • fav teacher • fav musical • least fav cla • fav fast food • fav accessory • play that i do • least fav color • musical that i do • show that i watch rn
Vacutainer lab use - Morales 2023-03-23
15 Clues: ESR tubes • Hematology • PT and APTT • DNA studies • Discard tube • Blood alcohol • Collecting serum • Lead determinations • Nutritional studies • Serum chemistry tests • Blood bank collections • Stat serum determinations • Collection of heparinized plasma • Molecular diagnostic test methods • Plasma or whole blood determination
Chemistry 2021-05-27
Across
- Liquids and gases flow and change shape and so they are also called
- It is the amount of water-vapours present in air
- Change of solid state into into liquid state
- A change of solid state into gaseous state
- It causes cooling
Down
- The state of matter can be changed by changing temperature or
- Intermixing of particles of two different types of matter on their use
- It is a bulk phenomenon
- All these occupy space and have mass
- Evaporation is a _______ phenomenon
10 Clues: It causes cooling • It is a bulk phenomenon • Evaporation is a _______ phenomenon • All these occupy space and have mass • A change of solid state into gaseous state • Change of solid state into into liquid state • It is the amount of water-vapours present in air • The state of matter can be changed by changing temperature or • ...
Chemistry 2021-06-17
10 Clues: Laughing gas • King of acids • Study of Matter • Lightest element • 17th group elements • Polymer of isoprene • month of Avogadro Number • one of the chalcogens • rows on the periodic table • simplest repeating structure of a crystal
chemistry 2021-04-26
Across
- links upstream and downstream.
- The upstream oil sector is also known as the (3) and (4) (E&P) sector.
- The main objectives of the midstream process are transporting and (7) the discovered oil and gas.
- Oil and natural gas combine to create a liquid called (1).
- The sector in which the refining, processing, and purifying of oil and natural gasses occurs. (9).
- The downstream process pushes finished products such as: gas, lubricants, waxes, fuel, and kerosene out of storage and into the (10).
Down
- exploration and production sector: collecting data and (5) wells.
- (11) oil prices are an advantage to downstream and petrochemical activities, as they are crushing upstream economics.
- The upstream oil sector is also known as the (3) and (4) (E&P) sector.
- Midstream is the sector in which the (6) of crude or refined petroleum products occurs through pipeline, oil tanker, barge, truck, or rail.
- The three sectors of the oil and gas industry are: (2), midstream, and downstream
11 Clues: links upstream and downstream. • Oil and natural gas combine to create a liquid called (1). • exploration and production sector: collecting data and (5) wells. • The upstream oil sector is also known as the (3) and (4) (E&P) sector. • The upstream oil sector is also known as the (3) and (4) (E&P) sector. • ...
chemistry 2022-06-13
Chemistry 2022-12-04
Across
- Devansh picked up a ball of a certain substance and threw it up when it hit the ground it did not break but it dented badly.What could be the substance.
- Who was the first scientist to use the term element in 1661?
- I am a non metal which is a good conductor of heat.Who am I ?
- I am a metal brown in colour .Who am I ?
- I Am a metal which is non-malleable at room temperature.Who am I ?
- Melting of a candle is what type of a change?
Down
- A______ Is a substance composed of Two or more elements chemically combined with one another in a fixed proportion.
- Vidyans picked up another ball But this one melted in his hand as soon as he touched it .What could it be made of?
- I am a metal having the lowest melting point.Who am I?
- Ravi is given sulfur and iron fillings he combines them by heating them to form FeS .What kind of mixture is formed in this case?
10 Clues: I am a metal brown in colour .Who am I ? • Melting of a candle is what type of a change? • I am a metal having the lowest melting point.Who am I? • Who was the first scientist to use the term element in 1661? • I am a non metal which is a good conductor of heat.Who am I ? • I Am a metal which is non-malleable at room temperature.Who am I ? • ...
Chemistry 2022-12-08
Across
- Substance that neutralises bases
- compound which also goes by the name "dihydrogen monoxide"
- atom that makes up most of organic lifeforms
- One of two scientists who developed the synthesis of ammonia
- Nobel Prize Winner who is the first woman to do so in that field
- Molecule that consists of many identical parts
Down
- atom that is missing one or more electrons
- Place where experiments are conducted
- Chemical unit that is also an animal
- Part of the atom that consists of protons and neutrons
10 Clues: Substance that neutralises bases • Chemical unit that is also an animal • Place where experiments are conducted • atom that is missing one or more electrons • atom that makes up most of organic lifeforms • Molecule that consists of many identical parts • Part of the atom that consists of protons and neutrons • compound which also goes by the name "dihydrogen monoxide" • ...
chemistry 2022-12-16
Across
- a person who manages a home and often raises children instead of earning money from a job
- a very short period of time
- the scientific study of the basic characteristics of substances and the ways in which they react or combine
- the process of protecting someone or something and providing what that person or thing needs
Down
- continuing in one direction without bending or curving
- something, such as a funny story or trick, that is said or done in order to make people laugh
- not easy to bend, cut, or break
- to give someone knowledge or to train someone; to instruct
- to come out of a mother's body
- having strong feelings of sadness or sympathy, because of something someone has said or done
10 Clues: a very short period of time • to come out of a mother's body • not easy to bend, cut, or break • continuing in one direction without bending or curving • to give someone knowledge or to train someone; to instruct • a person who manages a home and often raises children instead of earning money from a job • ...
Chemistry 2022-11-29
Across
- both oxidation and reduction
- loss of electrons
- a strong form of carbon
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms
Down
- gain of electrons
- detach or remove from a particular place or location
- strong electrostatic attraction between oppositely charged ions
- a form of carbon which is an element and in layers
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- relating to or consisting of molecules
10 Clues: gain of electrons • loss of electrons • a strong form of carbon • both oxidation and reduction • relating to or consisting of molecules • a form of carbon which is an element and in layers • detach or remove from a particular place or location • strong electrostatic attraction between oppositely charged ions • ...
Chemistry 2019-01-16
Across
- The arrangement of elements in the order of increasing atomic number in a table.
- A fuel formed from the remains and skeletons of dead matter from over a million years ago.
- The smallest part of an element.
- The mass of a substance divided by its volume.
- The change of state from solid to liquid.
Down
- A small charged particle found rotating around the nucleus of an atom.
- The amount of solute that dissolves in a given quantity of solvent.
- An unreactive element found in group 0 of the periodic table.
- A charged particle found in the nucleus of an atom.
- The central section of an atoms which contains protons, neutrons and electrons.
10 Clues: The smallest part of an element. • The change of state from solid to liquid. • The mass of a substance divided by its volume. • A charged particle found in the nucleus of an atom. • An unreactive element found in group 0 of the periodic table. • The amount of solute that dissolves in a given quantity of solvent. • ...
chemistry 2019-04-30
Across
- reaction of the release of heat
- change a irreversible chemical reaction involving the arrangement of one or more atoms
- rapid chemical reaction involving oxygen causing heat and light
- chemical reaction with two soluble salts in aqueous solution
- something that changes during a reaction
Down
- chemical reaction with acid and salt
- reaction accompanied by heat
- smallest particle of a chemical element
- change the matter is altered but never changed
- a substance that is produced during a natural,chemical or manufactured process
10 Clues: reaction accompanied by heat • reaction of the release of heat • chemical reaction with acid and salt • smallest particle of a chemical element • something that changes during a reaction • change the matter is altered but never changed • chemical reaction with two soluble salts in aqueous solution • rapid chemical reaction involving oxygen causing heat and light • ...
Chemistry 2019-04-30
Across
- CHANGE When a chemical gets a new look in its appearance thus becoming something completely different e.g. Oxygen & Ice.
- The releasing of energy outside the body of an object resulting in expulsion of matter.
- A common Chemical phenomena which results in heat being generated and thus being exerted outwards.
- Disabling a product by counteracting the effects of it and preventing it from having a deeply violent reaction.
- The result of a chemical change which leads to a direct result of combining two specific elements into a new one.
- Most minute particle of an element consisting of three objects: Protons, Electrons, and Neutrons; and being made up of a nucleus and atomic number.
Down
- The result of falling condensation thus becoming things such a hail, sleet, snow and rain.
- CHANGE The metamorphosis of two completely different elements thus procuring a brand new element from the transfusion.
- The process of the absorption of heat from a combustible object and also opposite of endothermic.
- A type of substance which undergoes a change thus resulting in a chemical change as they are the starters of it.
10 Clues: The releasing of energy outside the body of an object resulting in expulsion of matter. • The result of falling condensation thus becoming things such a hail, sleet, snow and rain. • The process of the absorption of heat from a combustible object and also opposite of endothermic. • ...
chemistry 2019-03-26
Across
- positively charged subatomic particle
- number of protons
- negatively charged subatomic particle
- a mixture of different compounds
- smallest part of an element
- a substance with the same number of protons
Down
- number of protons and neutrons
- two or more atoms chemically bonded together
- two or more elements chemically combined together in a fixed ratio
- neutrally charged subatomic particle
10 Clues: number of protons • smallest part of an element • number of protons and neutrons • a mixture of different compounds • neutrally charged subatomic particle • positively charged subatomic particle • negatively charged subatomic particle • a substance with the same number of protons • two or more atoms chemically bonded together • ...
chemistry 2020-09-13
Across
- The number of protons in an atom
- A negative ion is known as?
- loose electrons during a chemical reaction
- the smallest unit of matter?
- Electrons orbit the nucleus of an atom in?
Down
- stable subatomic particle with a charge of negative electricity
- horizontal rows
- A positive ion known as?
- the number of neutrons and protons in the nucleus of an atom
- Vertical columns
10 Clues: horizontal rows • Vertical columns • A positive ion known as? • A negative ion is known as? • the smallest unit of matter? • The number of protons in an atom • loose electrons during a chemical reaction • Electrons orbit the nucleus of an atom in? • the number of neutrons and protons in the nucleus of an atom • stable subatomic particle with a charge of negative electricity
Chemistry 2020-04-28
Across
- Amino acid posses amino and ________ group.
- What is the type of redox reaction when Eocell value is positive?
- How does electron withdrawing groups (EWG) affecting the basic strength?
- What is the type of rate that is determined over a period of time?
- What group replaces hydrogen atom(s) in ammonia to produce amines?
- A process to form amino acids from peptides.
Down
- What apparatus can be used to measure cell potential?
- At nonstandard conditions, what equation describes the standard cell potential?
- What reaction of amines produces amides?
- If an element has greater Standard Electrode Potential value, it is easier to undergo oxidation or reduction?
10 Clues: What reaction of amines produces amides? • Amino acid posses amino and ________ group. • A process to form amino acids from peptides. • What apparatus can be used to measure cell potential? • What is the type of redox reaction when Eocell value is positive? • What is the type of rate that is determined over a period of time? • ...
Chemistry 2020-05-07
Across
- Alkaline hydrolysis of esters is_________
- In alumino- thermic process , aluminium acts as _____________agent.
- Glass is __________liquid
- PH of coco- cola is ______(acidic/basic)
- LPG gas used for cooking purposes contains __________
Down
- Sea divers use mixture of _____________and O2 gas.
- Bakelite is obtained from ________ and formaldehyde.
- Cobalt is mainly found in Nepal in which district ______
- In any given orbital electron fill up in increasing order of energy it is known as ____________principle
- Percentage of air in Air Gel is _________(In word and hyphen required)
10 Clues: Glass is __________liquid • PH of coco- cola is ______(acidic/basic) • Alkaline hydrolysis of esters is_________ • Sea divers use mixture of _____________and O2 gas. • Bakelite is obtained from ________ and formaldehyde. • LPG gas used for cooking purposes contains __________ • Cobalt is mainly found in Nepal in which district ______ • ...
Chemistry 2020-11-19
Across
- positive electrode
- positive or negative charged atom
- a compound that has been melted
- Chemicals going into a reaction
- negative electrode
Down
- inert probe used in electrolysis
- gain electron to become negative
- produced from a reaction
- lose electron to become positive
- two or more elements chemically bonded together
10 Clues: positive electrode • negative electrode • produced from a reaction • a compound that has been melted • Chemicals going into a reaction • inert probe used in electrolysis • gain electron to become negative • lose electron to become positive • positive or negative charged atom • two or more elements chemically bonded together
Chemistry 2021-01-04
Across
- the smallest part of an element/building block
- positively charged part of an atom
- is a pure substance that is mad of the same atom
- Has definite shape and volume
- neutral part o an atom
Down
- tells us the mass of the protons and neutrons
- tells us the number of protons
- negatively charged part of an atom
- has definite volume but no definite shape
- has no definite shape or volume
10 Clues: neutral part o an atom • Has definite shape and volume • tells us the number of protons • has no definite shape or volume • positively charged part of an atom • negatively charged part of an atom • has definite volume but no definite shape • tells us the mass of the protons and neutrons • the smallest part of an element/building block • ...
Chemistry 2021-09-02
Across
- - represents a compound; represented by symbols and subscripts
- - may increase or decrease during a chemical change (hot or cold)
- - pure substance; combines 2 or more elements and is represented by a chemical formula
- - a pure substance that cannot be broken down into another substance
- - bubbles produced during a chemical reaction
- - anything that has mass and takes up space
Down
- - represents the name of an element; written with a capital letter and sometimes a lower case letter
- - # after chemical symbol in a formula; tells you the number of atoms present for each element in a formula
- - the smallest particle of an element
- - a solid substance that appears during a chemical reaction
10 Clues: - the smallest particle of an element • - anything that has mass and takes up space • - bubbles produced during a chemical reaction • - a solid substance that appears during a chemical reaction • - represents a compound; represented by symbols and subscripts • - may increase or decrease during a chemical change (hot or cold) • ...
Chemistry 2021-07-21
Across
- mixing of oppositely charged sols neutralise their charges
- action done during peptization to convert precipitate into a colloid
- ion responsible for the neutralisation of charge
- minimum conc. of an electrolyte in millimoles/litre causing precipitation of sol
- reason for preferential adsorption
Down
- potential difference between the fixed layer and diffused layer of opp charges
- another name for coagulation
- settling down of particles
- conversion of precipitate to colloid
- two layers of opposite charges around the colloidal particle
10 Clues: settling down of particles • another name for coagulation • reason for preferential adsorption • conversion of precipitate to colloid • ion responsible for the neutralisation of charge • mixing of oppositely charged sols neutralise their charges • two layers of opposite charges around the colloidal particle • ...
chemistry 2021-02-14
Across
- This separates solids in suspension in a liquid by letting them move across another material with a large surface area.
- This involves passing the mixtures through a filter, which retains one of the components (e.g sand and water)
- the conversion of a vapour or gas to a liquid.
- the removal of contaminants from water.
- remaining after the greater part or quantity has gone.
- homogeneous or heterogeneous mixture of metals
Down
- the process of turning from a liquid into vapour.
- the process of separating components of a mixture based on different boiling points.
- a mixture in which the particle size of the disintegrated substance is so small that it appears to be homogeneous.
- also known as freezing is a phase change of matter that results in the production of a solid
10 Clues: the removal of contaminants from water. • the conversion of a vapour or gas to a liquid. • homogeneous or heterogeneous mixture of metals • the process of turning from a liquid into vapour. • remaining after the greater part or quantity has gone. • the process of separating components of a mixture based on different boiling points. • ...
Chemistry 2021-04-14
Across
- the amount of electrons on the outermost layer
- anything that has mass and matter
- a substance composed of two or more elements
- Smallest unit of an element
Down
- the ability to reflect light
- the ability to be hammered into thin sheets
- number in front of the chemical formula
- how reactive an element is
- center of an atom that has protons,neutrons,and electrons
- the study of how atoms form new substances by interacting with each other
10 Clues: how reactive an element is • Smallest unit of an element • the ability to reflect light • anything that has mass and matter • number in front of the chemical formula • the ability to be hammered into thin sheets • a substance composed of two or more elements • the amount of electrons on the outermost layer • center of an atom that has protons,neutrons,and electrons • ...
Chemistry 2021-04-15
Across
- the proton is a positive electric charge.
- a stable subatomic particle with a charge of negative electricity.
- Electron: a valence electron is an outer shell electron that is associated with an atom.
- Chemistry is the scientific discipline involved with elements.
- Levels: Energy levels (also called electron shells) are fixed distances from the nucleus of an atom where electrons may be found.
- the basic unit of a chemical element.
Down
- a subatomic particle of about the same mass as a proton but without an electric charge.
- the central part of an atom that comprises nearly all of the atomic mass and that consists of protons and neutrons.
- reaction: a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
- Cloud: An electron cloud is the region of negative charge surrounding an atomic nucleus that is associated with an atomic orbital.
10 Clues: the basic unit of a chemical element. • the proton is a positive electric charge. • Chemistry is the scientific discipline involved with elements. • a stable subatomic particle with a charge of negative electricity. • a subatomic particle of about the same mass as a proton but without an electric charge. • ...
Chemistry 2021-04-14
Across
- materials which have a conductivity between conductors
- a substance that takes part in and undergoes change during a reaction.
- is a substance that is formed as the result of a chemical
- any of the four substances air, water, fire, and earth formerly believed to compose the physical universe
Down
- fixed distances from the nucleus of an atom where electrons may be found
- weighted average of all of the isotopes of that element
- a multiplier or factor that measures some property.
- everything around you
- natural materials that do not produce heat
- a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
10 Clues: everything around you • natural materials that do not produce heat • a multiplier or factor that measures some property. • materials which have a conductivity between conductors • weighted average of all of the isotopes of that element • is a substance that is formed as the result of a chemical • a substance that takes part in and undergoes change during a reaction. • ...
chemistry 2021-04-29
Across
- a stable subatomic particle with a charge of negative electricity.
- a gentle sheen or soft glow.
- the basic unit of a chemical element.
- a subatomic particle of about the same mass as a proton, but without any electric charge
Down
- a stable subatomic particle with a positive charge.
- whose properties are intermediate between those of metals and solid nonmetals or semiconductors
- a set of elements occupying an entire horizontal row in the periodic table.
- easy to break or shatter easily.
- any substance that has mass and takes up space by having volume.
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
10 Clues: a gentle sheen or soft glow. • easy to break or shatter easily. • the basic unit of a chemical element. • a stable subatomic particle with a positive charge. • any substance that has mass and takes up space by having volume. • a stable subatomic particle with a charge of negative electricity. • ...
Chemistry 2021-04-30
Across
- When you hit a metal, it makes a sound.
- Using litmus paper, results are blue.
- A substance that has no acid or alkali.
- A substance that can melt your skin.
- Something that can easily break.
Down
- It may dissolve or burn your skin and materials.
- It contains dangerous organisms such as bacteria.
- table- Something that has 118 elements.
- Is always around us.
- Mixtures of metal.
10 Clues: Mixtures of metal. • Is always around us. • Something that can easily break. • A substance that can melt your skin. • Using litmus paper, results are blue. • table- Something that has 118 elements. • When you hit a metal, it makes a sound. • A substance that has no acid or alkali. • It may dissolve or burn your skin and materials. • ...
Chemistry 2023-02-13
Across
- - saliktas olbaltumvielas
- - ir dzīvo organismu pamatvielas, dabiski lielmolekulāri savienojumi - polipeptīdi, kas veidoti no aminoskābju atlikumiem
- - ir biomolekulas, kuras katalizē (palielina reakciju tempu) ķīmiskas reakcijas
- - vienkarši olbaltumvielas
Down
- - iedala 3 grupās (saharīdu grupas)
- - trīsvērtīgā spirta un augstāko karbonskābju esteri
- - škidrie tauki
- - ir caurspīdīgs, bezkrāsains, viskozs šķidrums ar saldu garšu.
- - cits nosaukums ir vīnogu cukurs
- - ir visai daudzveidīga bioorganisko vielu grupa
10 Clues: - škidrie tauki • - saliktas olbaltumvielas • - vienkarši olbaltumvielas • - cits nosaukums ir vīnogu cukurs • - iedala 3 grupās (saharīdu grupas) • - ir visai daudzveidīga bioorganisko vielu grupa • - trīsvērtīgā spirta un augstāko karbonskābju esteri • - ir caurspīdīgs, bezkrāsains, viskozs šķidrums ar saldu garšu. • ...
Chemistry 2023-01-17
Across
- subatomic particle with a positive charge
- row and columns of chemical elements
- a particel of matter that uniquely defines an element
- substance changes into an entirely new substance
- subatomic particles with a negative charge
Down
- only the appearance changes
- a subatomic particle with no charge
- symbol for Na
- oppoasite of a base
- gold,Copper, Iron
10 Clues: symbol for Na • gold,Copper, Iron • oppoasite of a base • only the appearance changes • a subatomic particle with no charge • row and columns of chemical elements • subatomic particle with a positive charge • subatomic particles with a negative charge • substance changes into an entirely new substance • a particel of matter that uniquely defines an element
Chemistry 2023-04-14
Across
- A substance that consists of atoms that all have the same number of protons
- Neutral charge (no charge) Mass 1
- Ability to react with other elements
- The electrons in the energy level
Down
- Anything that has mass and takes up space (has volume)
- Positive charge Mass of 1
- Negative charge Mass of 0
- Was developed based on the physical and chemical properties of the known elements
- The Smallest unit of matter
- Center of a atom
10 Clues: Center of a atom • Positive charge Mass of 1 • Negative charge Mass of 0 • The Smallest unit of matter • Neutral charge (no charge) Mass 1 • The electrons in the energy level • Ability to react with other elements • Anything that has mass and takes up space (has volume) • A substance that consists of atoms that all have the same number of protons • ...
Chemistry 2023-04-14
Across
- A subatomic particle located in the nucleus that has a positive charge
- The number on the top of each element, also tells us the amount of protons
- The ability to break or snap very easily
- The characteristic of a metal with the ability to shine
- the cloud surrounding the nucleus in an atom
- a table arranged in a specific order that shows us every element and their characteristics using numbers, groups, and periods
Down
- an object that easily transfers energy(mostly heat)
- Located in the electron cloud, this subatomic particle has a negative charge and weighs barely anything
- an object that possesses characteristics of both metals and non-metals
- the outermost electron in the electron cloud
10 Clues: The ability to break or snap very easily • the outermost electron in the electron cloud • the cloud surrounding the nucleus in an atom • an object that easily transfers energy(mostly heat) • The characteristic of a metal with the ability to shine • A subatomic particle located in the nucleus that has a positive charge • ...
chemistry 2023-04-17
10 Clues: arrow • group of atoms • after the yield sign • equations of chemical • before the yield sign • smallest unit of measurement • number n front of chemical formula • shows how many atoms are in a compond • matter cant be destroyed or created only changed • changes one set of chemical equations into another
Chemistry 2023-03-30
Across
- The property of sulphuric acid that is used to maintain the appearance and colour of the products
- The production of sulfuric acid involves the emission of sulfur dioxide and this gas has what type of impact
- The Subject we are studying
- One of the ways sulphuric acid is used for food preservation
- The compound the dilution of Sulphur trioxide in sulphuric acid forms
Down
- Sulfuric acid wide use in the production of fertilizers plays a crucial role in this sector
- The first compound produced in the contact process
- One of the Industries sulfuric Acid is used in
- The modern industrial method of producing sulfuric acid.
- The compound used in excess in the first step of the contact process
10 Clues: The Subject we are studying • One of the Industries sulfuric Acid is used in • The first compound produced in the contact process • The modern industrial method of producing sulfuric acid. • One of the ways sulphuric acid is used for food preservation • The compound used in excess in the first step of the contact process • ...
Chemistry 2023-04-25
10 Clues: protons + neutrons • inventor of periodic table • neutrally charged particle • electron in the outer shell • negatively charged particle • positively charged particle • number of protons in nucleus • basic unit of a chemical element • consists of protons and neutrons • one or two letters than represent an element
Chemistry 2023-05-18
10 Clues: / Used to clean pools • / Has a weight of 91.224 • / Atomic number is two • / Found in glow sticks • / Has a weight of 65.380 • / Is part of the Alkali Metals • / Found in milk, cheese, etc. • / Part of the Alkaline Earth Metals • / Needed on a daily basis to survive • / People have made lots of jewelery with this
Chemistry 2023-05-27
Across
- For welding and cutting
- Hydrocarbons having a ring structure in them
- Hydrocarbons having a straight chain structures with no ring in them
- Contains a carbon-carbon triple bond (C=C)
- Used as precusor to polypropylene resins, butylene oxide and butanone
Down
- Used as a softener for paper and fiber
- Preservation of biological specimens
- Disinfectant in household cleaners and in moutwash
- A natural gas use as fuel
- A rocket fuel for space craft intended for low Earth orbit
10 Clues: For welding and cutting • A natural gas use as fuel • Preservation of biological specimens • Used as a softener for paper and fiber • Contains a carbon-carbon triple bond (C=C) • Hydrocarbons having a ring structure in them • Disinfectant in household cleaners and in moutwash • A rocket fuel for space craft intended for low Earth orbit • ...
Chemistry 2023-06-22
Across
- Who discovered the ozone hoke
- one of the three rs
- most used material in the world
- who invented fractional distillation
- slabs of iron
- unsustainable resources
Down
- Who discovered climate change
- can be re used
- one of the three rs
- what cou try polluted the most
- one of the three rs
- what is the most reactive metal
12 Clues: slabs of iron • can be re used • one of the three rs • one of the three rs • one of the three rs • unsustainable resources • Who discovered climate change • Who discovered the ozone hoke • what cou try polluted the most • most used material in the world • what is the most reactive metal • who invented fractional distillation
Chemistry 2013-12-09
Across
- Substance that has a pH less than 7
- Substance that cannot be broken down into any simpler substance by chemical means
- Atom or group of atoms with a negative charge or positive charge
- Smallest particle in matter
- Chemical reaction in which a compound or element rapidly combines with oxygen gas
Down
- combination of pure substances
- Subatomic particle that has a negative charge of 1-
- Subatomic particle that is neutral
- Anything that has mass and takes up space (has volume)
- Substance that has a pH greater than 7
10 Clues: Smallest particle in matter • combination of pure substances • Subatomic particle that is neutral • Substance that has a pH less than 7 • Substance that has a pH greater than 7 • Subatomic particle that has a negative charge of 1- • Anything that has mass and takes up space (has volume) • Atom or group of atoms with a negative charge or positive charge • ...
Chemistry 2014-05-10
Across
- Refers to how many particles can be packed into a given space
- When a liquid becomes a gas, the particles are __________ away compared to when they were organised as a liquid.
- Gases ________ when they are heated because they are moving faster and hitting the side of the contained with more force.
- When atoms group together, these are called__________.
- Materials that are less dense than others will __________.
- When particles are heated, they are given more energy. As a result, particles will vibrate ________.
Down
- When a chemical reaction takes place, the atoms ___________ themselves to make new substance
- When perfume is sprayed in the corner of a room, the people on the opposite side of the room will eventually be able to smell the scent of the perfume. This is a result of a process called_________.
- No matter what state (solid, liquid or gas) particles are always
- Atoms ________ be created or destroyed
10 Clues: Atoms ________ be created or destroyed • When atoms group together, these are called__________. • Materials that are less dense than others will __________. • Refers to how many particles can be packed into a given space • No matter what state (solid, liquid or gas) particles are always • ...
Chemistry 2014-10-08
Across
- rows of the periodic table
- the smallest part of the element that contains all the element's properties
- is a pure substance that is made from more than two or more substances
- the outermost shell of the electron
- something that can not be broken down any further
- positively charged particles in the atom
Down
- lithium, sodium, potassium
- neutral particles in the nucleolus of the atom
- group of atoms that has lost or gained electrons
- pure
10 Clues: pure • lithium, sodium, potassium • rows of the periodic table • the outermost shell of the electron • positively charged particles in the atom • neutral particles in the nucleolus of the atom • group of atoms that has lost or gained electrons • something that can not be broken down any further • is a pure substance that is made from more than two or more substances • ...
Chemistry 2015-11-19
Across
- Kind of container for waste
- manipulation table
- piece of clothes to protect in a lab
- element Makes 21% of our atmosphere
- particle neutral in the nucleus
- element in the fluorescent lamps
Down
- particle positive in the nucleus
- particle negative which tourn around the nucleus
- a tool used for watch tiny things
- a tool for measuring volume
10 Clues: manipulation table • Kind of container for waste • a tool for measuring volume • particle neutral in the nucleus • particle positive in the nucleus • element in the fluorescent lamps • a tool used for watch tiny things • element Makes 21% of our atmosphere • piece of clothes to protect in a lab • particle negative which tourn around the nucleus
chemistry 2016-03-17
Across
- a positive unit or subatomic particle that has a positive charge
- a subatomic particle with a net charge that is negative
- Group 7 on the Periodic Table and are all non-metals
- earth metals the metals of Group 2 on the periodic table
- metal elements that have incomplete d sub-shells, but also may be referred to as the d-block elements
Down
- a neutral unit or subatomic particle that has no net charge
- a substance possessing both the properties of metals and non-metals
- metals the metals of Group 1 on the periodic table
- a molecule that has gained or lost one or more electrons
- gases group 18 elements, those whose outer electron shell is filled
10 Clues: metals the metals of Group 1 on the periodic table • Group 7 on the Periodic Table and are all non-metals • a subatomic particle with a net charge that is negative • earth metals the metals of Group 2 on the periodic table • a molecule that has gained or lost one or more electrons • a neutral unit or subatomic particle that has no net charge • ...
Chemistry 2017-02-17
Across
- negative charge
- Electrons with not a lot of mass and take up most space
- Number of Protons and Neutrons
- Where the protons and neutrons are held
Down
- Electrons on the outer most shell
- element with atomic number 5
- Number of Protons=Number of electrons
- positive charge
- Where there is a complete outer shell
- element with atomic mass 40 that has 2 valance electrons
10 Clues: positive charge • negative charge • element with atomic number 5 • Number of Protons and Neutrons • Electrons on the outer most shell • Number of Protons=Number of electrons • Where there is a complete outer shell • Where the protons and neutrons are held • Electrons with not a lot of mass and take up most space • element with atomic mass 40 that has 2 valance electrons
chemistry 2017-02-17
Across
- about the same mass of a proton
- physical substance
- a central and most important part of a element
- mass cannot be created or destroyed
- The ability to be stretched into a thin wire
Down
- capable of being shaped
- something manufactured or refined to scale
- a concrete large body of matter
- a participial with a negative charge
- basic unit of a chemical element
10 Clues: physical substance • capable of being shaped • about the same mass of a proton • a concrete large body of matter • basic unit of a chemical element • mass cannot be created or destroyed • a participial with a negative charge • something manufactured or refined to scale • The ability to be stretched into a thin wire • a central and most important part of a element
Chemistry 2017-02-07
Across
- when a solid material can stretch.
- a refined substance or item.
- a change that doesn't change the state of matter for the item undergoing the change.
- something that indicates the state or level of something.
Down
- a substance that undergoes a change.
- how quickly something disolves.
- A broup of atoms bonded together.
- an undoable change that changes the state of something.
- Solid, liquid, and gas are the three ______.
- the physical property of matter.
10 Clues: a refined substance or item. • how quickly something disolves. • the physical property of matter. • A broup of atoms bonded together. • when a solid material can stretch. • a substance that undergoes a change. • Solid, liquid, and gas are the three ______. • an undoable change that changes the state of something. • something that indicates the state or level of something. • ...
Chemistry 2016-07-15
Across
- HEAT THE BIG ALKANE UNTIL IT BREAKS IN TO TWO
- BONDING NON-METAL+NON-METAL
- BONDING METAL+NON-METAL
- IS THE BOTTOM NUMBER OF PERDODIC TABLE TABLE PROTON=ELECTRON
- REACTS WITH OXYGEN TO FORM CARBON DIOXIDE AND WATER
Down
- METALS ALKALI METALS HAVE LOW MELTING POINTS AND BOILING POINTS
- CALCUIM TO SLAKED LIME TO LIMEWATER TO?
- LESS REACTIVE
- MORE REACTIVE THAN ALUMINIUM LESS REACTIVE THAN POTASSIUM
- IS THE TOP NUMBER OF PERIODIC TABLE PROTON+NEUTRON
10 Clues: LESS REACTIVE • BONDING METAL+NON-METAL • BONDING NON-METAL+NON-METAL • CALCUIM TO SLAKED LIME TO LIMEWATER TO? • HEAT THE BIG ALKANE UNTIL IT BREAKS IN TO TWO • IS THE TOP NUMBER OF PERIODIC TABLE PROTON+NEUTRON • REACTS WITH OXYGEN TO FORM CARBON DIOXIDE AND WATER • MORE REACTIVE THAN ALUMINIUM LESS REACTIVE THAN POTASSIUM • ...
Chemistry 2022-04-05
Across
- only one product is formed, usually only two reactants
- the ratio of the actual yield to the theoretical yield, multiplied by 100
- calculations involving the mass relationships of elements in compounds
- the substance that holds back the product from being fully produced
Down
- One element replaces its a similar element in a compound, also known as "home wreckers"
- A reaction that always produces H20 and CO2
- the process in which an electric current is used to produce a chemical reaction, such as the decomposition of water
- a compound breaks down into two or more elements
- how much is actually produced in a reaction
- the substance that is not used up completely in a reaction
10 Clues: A reaction that always produces H20 and CO2 • how much is actually produced in a reaction • 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 2021-12-03
Across
- A mixture when one substance dissolves another
- Building blocks of protein
- Tiny particles that all matter is made of
- Makes up 78% of the air we breathe
- Mixture of metals
Down
- The study of what substances are made of
- Negatively charged subatomic particles
- The Centre of an atom
- the substance in which the solute dissolves
- The first column on the periodic table
10 Clues: Mixture of metals • The Centre of an atom • Building blocks of protein • Makes up 78% of the air we breathe • Negatively charged subatomic particles • The first column on the periodic table • The study of what substances are made of • Tiny particles that all matter is made of • the substance in which the solute dissolves • A mixture when one substance dissolves another
Chemistry 2021-12-07
Chemistry 2022-01-10
Across
- Isotopes have a different number of..?
- What type of energy is needed to start a reaction
- What must occur between particles to react?
- What type of test is used to identify metal ions?
- Substances that only contain one thing are considered what?
Down
- What is formed when halogens react with alkali metals?
- How reactive are Group 1 metals
- Ions with opposite charges form what type of bond?
- Biological catalysts
- Iron reactions with oxygen and what else to form rust?
10 Clues: Biological catalysts • How reactive are Group 1 metals • Isotopes have a different number of..? • What must occur between particles to react? • What type of energy is needed to start a reaction • What type of test is used to identify metal ions? • Ions with opposite charges form what type of bond? • What is formed when halogens react with alkali metals? • ...
chemistry 2022-01-07
chemistry 2022-05-05
Across
- speeds up chemical reaction
- Group 0 elements
- The speed at which the amount of reactants decreases or the amount of products increases
- is a metal
- when particles collide
Down
- Biological catalysts, usually consisting of proteins
- group 7 elements
- Force exerted over an area.
- 7 electrons in outer shell
- orange brown colour
10 Clues: is a metal • group 7 elements • Group 0 elements • orange brown colour • when particles collide • 7 electrons in outer shell • Force exerted over an area. • speeds up chemical reaction • Biological catalysts, usually consisting of proteins • The speed at which the amount of reactants decreases or the amount of products increases
Chemistry!! 2022-04-13
Across
- the simplest structural unit of an element or compound
- is an atom or molecule that has gained or lost one or more electrons.
- the smallest component of an element
- electron are the atom's outermost electrons.
- is a group of elements sharing similar properties.
- a subatomic particle with zero charge
Down
- a stable particle with positive charge
- A negatively charged particle that comprises the external part of the atom
- a row (left to right) of the periodic table.
- relating to or containing an alkali
10 Clues: relating to or containing an alkali • the smallest component of an element • a subatomic particle with zero charge • a stable particle with positive charge • a row (left to right) of the periodic table. • electron are the atom's outermost electrons. • is a group of elements sharing similar properties. • the simplest structural unit of an element or compound • ...
chemistry 2022-02-06
Across
- yang digunakan sebagai bahan badan pesawat terbang
- dalam bahasa arab berarti abu
- yang bersifat metaloid pada periode ketiga
- logam yang jika bereaksi dengan air akan menimbulkan letupan
- unsur terdapat dalam golongan gas mulia
Down
- merupakan proses pada logam Aluminium
- adalah nama mineral besi
- sebagai pengisi balon udara
- artinya sukar bereaksi
- zat radioaktif yang digunakan sebagai terapi kangker
10 Clues: artinya sukar bereaksi • adalah nama mineral besi • sebagai pengisi balon udara • dalam bahasa arab berarti abu • merupakan proses pada logam Aluminium • unsur terdapat dalam golongan gas mulia • yang bersifat metaloid pada periode ketiga • yang digunakan sebagai bahan badan pesawat terbang • zat radioaktif yang digunakan sebagai terapi kangker • ...
Chemistry 2022-04-13
Across
- High electrical conductivity,luster,and malleability
- chemical element that forms a simple substance having properties between those of a typical metal and a typical nonmetal
- Negative charge, has no mass
- A proton charge
- where the electrons are located
Down
- chemical element that generally lacks metallic items
- An electron charge
- Make up all matter in the universe
- The location of protons and neutrons
- A substance that consists of atoms that all have the same number of protons
10 Clues: A proton charge • An electron charge • Negative charge, has no mass • where the electrons are located • Make up all matter in the universe • The location of protons and neutrons • chemical element that generally lacks metallic items • High electrical conductivity,luster,and malleability • A substance that consists of atoms that all have the same number of protons • ...
chemistry 2022-04-13
10 Clues: neutral charge • positive charge • negative charge • the system of electron • source of nuclear energy • the horizontal rows of the periodic • a process that involves rearrangement • periodic table same chemical elements • amount of energy that a system described • chemical bond if the outer shell nucleus
Chemistry 2022-05-11
10 Clues: man's best friend • neutral part of atom • positive part of atom • negative particle of atom • area where electrons hang out • the greatest fruit of all time • tequila is made from this plant • electrons in last energy levels • noble gases are considered this • the second greatest fruit of all time
chemistry 2023-08-13
Across
- the action of being moved apart
- the substance that flows freely
- a body temperature above normal
- particles filling the the whole container
- firm and stable in shape
Down
- liquid that has gone through a process of filtration
- a minute portion of matter
- pouring from one container into another
- holding as much water as can be absorbed
- a substance made by mixing other substances together
10 Clues: firm and stable in shape • a minute portion of matter • the action of being moved apart • the substance that flows freely • a body temperature above normal • pouring from one container into another • holding as much water as can be absorbed • particles filling the the whole container • liquid that has gone through a process of filtration • ...
Chemistry 2023-08-13
Across
- a body temperature that is above normal.
- liquid that has gone through the process of filtration
- the action of being moved apart.
- a substance made by mixing other substances together.
Down
- a small discrete amount of something.
- holding as much water as can be absorbed
- pouring from one container into another
- particles filling the whole container.
- a substance that flows freely.
- firm and stable in shape.
10 Clues: firm and stable in shape. • a substance that flows freely. • the action of being moved apart. • a small discrete amount of something. • particles filling the whole container. • pouring from one container into another • holding as much water as can be absorbed • a body temperature that is above normal. • a substance made by mixing other substances together. • ...
chemistry 2023-08-13
Across
- particles filling the the whole container
- a substance that flows freely
- holding as much water as can be absorbed
- a small discrete amount of something
- a body temperature above normal
Down
- firm and stable in shape
- liquid that has gone through a process of filtration
- a substance made by mixing other substances together
- the action of being moved apart
- pouring from one container into another
10 Clues: firm and stable in shape • a substance that flows freely • the action of being moved apart • a body temperature above normal • a small discrete amount of something • pouring from one container into another • holding as much water as can be absorbed • particles filling the the whole container • liquid that has gone through a process of filtration • ...
Chemistry 2023-08-16
10 Clues: bendy • shiny • a combo • an element • easily broken • not conductive • stripped into wire • off periodic table • thing that is composed • building blocks of life
Chemistry 2024-01-08
10 Clues: Building Blocks • Forms Compounds • Holds chemicals together • Tells us all the elements • Anything that takes up space • Group of Atoms bonded together • Can not be Broken Down Further • You can tell if it is an element • Substances physically put together • Made up of two or more components chemically
Chemistry 2024-03-18
Across
- it is Brite yellow and crystallizes in cold temperatures
- trees produce it
- you breth it and is found in fires
- it helps with combustion
- is there when there is excess oxygen
- it is used to power up cars
Down
- the strongest flame in an Bunsen burner
- leftover after burning
- you could die from it if you inhale it or in the same place as it with now glowing oxygen
- is a clear liquid and has am earthy smell and taste bitter
10 Clues: trees produce it • leftover after burning • it helps with combustion • it is used to power up cars • you breth it and is found in fires • is there when there is excess oxygen • the strongest flame in an Bunsen burner • it is Brite yellow and crystallizes in cold temperatures • is a clear liquid and has am earthy smell and taste bitter • ...
Chemistry 2024-01-31
Across
- the number of protons in the nucleus of an atom
- what you end up with in an equation;after the arrow
- the least reactive family
- a group of elements with similar chemical properties
Down
- the most reactive family
- the number of protons and neutrons added together
- rows of the periodic table
- what you start within an equation;before the arrow
- An abbreviation for a chemical element
- how likely an element is to go through a chemical change
10 Clues: the most reactive family • the least reactive family • rows of the periodic table • An abbreviation for a chemical element • the number of protons in the nucleus of an atom • the number of protons and neutrons added together • what you start within an equation;before the arrow • what you end up with in an equation;after the arrow • ...
Chemistry 2024-02-08
Across
- chemical compound that contains a carbon–hydrogen or carbon–carbon bond
- chemical formula for a compound existing as discrete molecules that gives the total number of atoms of each element in a molecule
- alkane-derived organic compounds that contain the carboxylate functional group
- organic compound consisting of hydrogen and carbon found in crude oil, natural gas, and coal.
- unsaturated hydrocarbons containing a double bond
Down
- a type of empirical formula that represents the composition of any member of an entire class of compounds
- large molecules made by bonding (chemically linking) a series of building blocks
- a family of hydrocarbons with similar chemical properties who share the same general formula
- a series of compounds that contain carbon and hydrogen atoms with single covalent bonds
- organic compounds that contain nitrogen atoms with a lone pair
10 Clues: unsaturated hydrocarbons containing a double bond • organic compounds that contain nitrogen atoms with a lone pair • chemical compound that contains a carbon–hydrogen or carbon–carbon bond • alkane-derived organic compounds that contain the carboxylate functional group • large molecules made by bonding (chemically linking) a series of building blocks • ...
Chemistry 2025-02-03
Across
- A reaction involving a loss of electrons from an atom, a molecule or an ion.
- A reaction in which a more reactive element displaces a less reactive one.
- Atomic number 8
- A chemical reaction in which a substance reacts with oxygen - the reaction is exothermic
Down
- The name given to the process that takes place when metals and alloys are chemically attacked by oxygen, water, or any other substances found in their immediate environment
- A term used to describe oxidised organic material (food) - usually involving a bad smell
- A reaction involving a gain of electrons from an atom, a molecule or an ion.
- A chemical process in which two substances react
- The negatively charged subatomic particle
- Oxidation and reduction
10 Clues: Atomic number 8 • Oxidation and reduction • The negatively charged subatomic particle • A chemical process in which two substances react • A reaction in which a more reactive element displaces a less reactive one. • A reaction involving a gain of electrons from an atom, a molecule or an ion. • ...
chemistry 2025-10-06
Across
- a mixture where a solute is dissolved in a solvent
- a neutral particle in an atom's nucleus.
- smallest unit of an element
- a negatively charged particle in an atom's orbit.
- the starting substances in a chemical reaction
- unit used to identify a given amount of a substance
Down
- a positively charged particle in an atom's nucleus.
- the new substances formed by a chemical reaction
- a pure substance made up of only one type of atom
- the substance that is dissolved in a solvent
10 Clues: smallest unit of an element • a neutral particle in an atom's nucleus. • the substance that is dissolved in a solvent • the starting substances in a chemical reaction • the new substances formed by a chemical reaction • a pure substance made up of only one type of atom • a negatively charged particle in an atom's orbit. • ...
CHEMISTRY 2025-10-02
Across
- term used to describe oxisides organic materials (usually food)
- most gas found in air composition
- a substance that oxidises another substance during a redox reaction and it self reduced during the reaction (9 letter, 5 letters))
- chemical reaction in which a substance reacts with oxygen (exothermic reactions)
- element that has symbol C (6 letters)
Down
- chemical reaction by which biological cells release the energy stored in glucose for use by the cell
- fossil fuel formed from the remains of ancient marine plants/animals that can be used as fuel for transportations
- reaction in which oxygen is added to an element/compound
- reaction involving both reduction and oxidation
- missing electron during redox reaction (4 letters)
10 Clues: most gas found in air composition • element that has symbol C (6 letters) • reaction involving both reduction and oxidation • missing electron during redox reaction (4 letters) • reaction in which oxygen is added to an element/compound • term used to describe oxisides organic materials (usually food) • ...
CHEMISTRY 2025-10-02
Across
- term used to describe oxisides organic materials (usually food)
- most gas found in air composition
- a substance that oxidises another substance during a redox reaction and it self reduced during the reaction (9 letter, 5 letters))
- chemical reaction in which a substance reacts with oxygen (exothermic reactions)
- element that has symbol C (6 letters)
Down
- chemical reaction by which biological cells release the energy stored in glucose for use by the cell
- fossil fuel formed from the remains of ancient marine plants/animals that can be used as fuel for transportations
- reaction in which oxygen is added to an element/compound
- reaction involving both reduction and oxidation
- missing electron during redox reaction (4 letters)
10 Clues: most gas found in air composition • element that has symbol C (6 letters) • reaction involving both reduction and oxidation • missing electron during redox reaction (4 letters) • reaction in which oxygen is added to an element/compound • term used to describe oxisides organic materials (usually food) • ...
Chemistry 2026-01-15
10 Clues: Can see • positive • negative • Can't see • 1 type of atom • Takes up space • Building Blocks • Table 118 elements • Physically combined • chemically combined
Chemistry 2025-07-26
Across
- Gases have ___ density.
- Gases are highly ___ because its particles are widely spaces
- Solid particles are arranged in this way.
- Gas particles are far _____
- Solids have a ___ shape.
Down
- Solids and liquids are hard to be ___.
- Gas particles move in this way.
- Gases take the ___ of their container.
- Shape of liquids are ___ because they follow the shape of container
- Gases are generally ___because their particles are closely pack
10 Clues: Gases have ___ density. • Solids have a ___ shape. • Gas particles are far _____ • Gas particles move in this way. • Solids and liquids are hard to be ___. • Gases take the ___ of their container. • Solid particles are arranged in this way. • Gases are highly ___ because its particles are widely spaces • Gases are generally ___because their particles are closely pack • ...
Chemistry 2026-02-03
Across
- Change of liquid into gas at boiling point
- Movement of particles from a region of higher concentration to lower concentration
- Change of solid directly into gas
- Mass per unit volume of a substance
Down
- Slow conversion of liquid into vapour at any temperature
- Heat absorbed or released without temperature change
- Ability of a substance to be squeezed into a smaller volume
- Ability of liquids and gases to flow
- Resistance of a solid to change its shape
- The fourth state of matter consisting of charged particles
10 Clues: Change of solid directly into gas • Mass per unit volume of a substance • Ability of liquids and gases to flow • Resistance of a solid to change its shape • Change of liquid into gas at boiling point • Heat absorbed or released without temperature change • Slow conversion of liquid into vapour at any temperature • ...
chemistry 2024-04-22
10 Clues: flexible • dissolvable • make or produce • Number of protons • protons and neutrons • Basic unit of matter • A homogeneous mixture • A column on the periodic table • A substance produced in a chemical reaction • A pure substance made of only one kind of atom
Chemistry 2025-03-25
Across
- The law which relates the absorbance with concentration of solution is known as?
- Mixture of weak acid and salt of weak acid with strong base in known as?
- Opposition to the flow of electron is knows as?
- Formula for mode of vibration of linear molecule?
- Which chloride starts decomposing above 50 degree Celsius in calomel?
Down
- Sigma to sigma* transition is possible in which compounds?
- Conductance of titration in conductomitric titration depends on?
- Plot of graph of pH v/s mL of NaOH added is called?
- In calomel electrode which metal is at bottom?
- Which vibration is characterised by change in angle between two covalent bonds?
10 Clues: In calomel electrode which metal is at bottom? • Opposition to the flow of electron is knows as? • Formula for mode of vibration of linear molecule? • Plot of graph of pH v/s mL of NaOH added is called? • Sigma to sigma* transition is possible in which compounds? • Conductance of titration in conductomitric titration depends on? • ...
Chemistry 2025-03-25
10 Clues: 0-14 • PH of 7 • PH of 6.5 • Neutral H20 • Makes up matter • Turns litmus paper red • Turns litmus paper blue • Molecules with electric charge • Characteristic of a Base (Soap) • Acids Taste like____ but bases Taste bitter
Chemistry 2025-03-21
Across
- The water molecules inside crystals
- A type of bonding that involves atoms sharing electrons
- A substance that increases the rate of a chemical reaction without using itself up
- Lithium, Sodium, Potassium and Rubidium, for example
- An indicator that is clear in neutral and acidic solutions, but is purple in alkali
Down
- Contains no water molecules
- The units for this is g/100g of solvent
- The name of H2SO4
- Combined with water molecules
- A technique where a solution of known concentration is used to determine the concentration of an unknown solution
10 Clues: The name of H2SO4 • Contains no water molecules • Combined with water molecules • The water molecules inside crystals • The units for this is g/100g of solvent • Lithium, Sodium, Potassium and Rubidium, for example • A type of bonding that involves atoms sharing electrons • A substance that increases the rate of a chemical reaction without using itself up • ...
Chemistry 2024-10-10
Across
- The mass of one mole of a substance
- A charged particle resulting from the loss or gain of electrons
- Unit of measure for the amount of substance
- A molecule made up of two or more different elements
- A unit of measure for the amount of substance
- Atoms of the same element with different masses
Down
- Mass per unit volume of a substance
- The average mass of an element’s isotopes
- The smallest unit of a chemical compound
- Unit of measurement for atomic and molecular mass
10 Clues: Mass per unit volume of a substance • The mass of one mole of a substance • The smallest unit of a chemical compound • The average mass of an element’s isotopes • Unit of measure for the amount of substance • A unit of measure for the amount of substance • Atoms of the same element with different masses • Unit of measurement for atomic and molecular mass • ...
Chemistry 2024-08-09
11 Clues: everything • Multiple atoms • neutral charge • Negative charge • Positive charge • Mix of 2 elements • Elements are in it • Centre of atoms and cells • building blocks of everything • Two or more elements combined • The things on a periodic table.
Chemistry 2024-08-17
Across
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical
- are the basic particles of the chemical elements
- a part or aspects of something abstracts, especially one that is essential or characteristic
- subatomic particle of about the same mass as a proton but without electricity charge
- the branch of science that deals with the identification of the substance of which matter is composed
Down
- a stable subatomic particle with a charge of negative electricity
- substance a single kind of matter that cannot be separated into other kind of matter by any physical
- a dissolved substance
- Molecule an element is a substance made up entirely of one type of atom
- Change a change in matter which does not alter the chemical properties of the matter
10 Clues: a dissolved substance • are the basic particles of the chemical elements • a stable subatomic particle with a charge of negative electricity • Molecule an element is a substance made up entirely of one type of atom • subatomic particle of about the same mass as a proton but without electricity charge • ...
Chemistry 2024-10-30
Across
- How easily substances move in another such as water
- Having hydrophilic heads and hydrophobic tails
- Solute+solvent
- found in all cells
- membrane fluid mosaic made fro mostly phospholipids
Down
- Proteins, lipids, carbs, and nucleic acids
- mostly found in sand, used in electronics
- If mixed with water it explodes
- the least reactive of all elements
- Used for PVC pipes and as a poison gas during world war 2
10 Clues: Solute+solvent • found in all cells • If mixed with water it explodes • the least reactive of all elements • mostly found in sand, used in electronics • Proteins, lipids, carbs, and nucleic acids • Having hydrophilic heads and hydrophobic tails • How easily substances move in another such as water • membrane fluid mosaic made fro mostly phospholipids • ...
chemistry 2025-05-09
Across
- ionic compounds break into their own ions
- the part that gets dissolved
- moles divided by liters of a solution, measures how concentrated a solution is
- solid created in a solution
Down
- making a solution less concentrated with water
- measure of how much solute is in a solution
- strong or weak ones, based on their ability to dissociate
- mixture of solvent and solute
- does the dissolving
- covalent compounds break into smaller molecules
10 Clues: does the dissolving • solid created in a solution • the part that gets dissolved • mixture of solvent and solute • ionic compounds break into their own ions • measure of how much solute is in a solution • making a solution less concentrated with water • covalent compounds break into smaller molecules • strong or weak ones, based on their ability to dissociate • ...
Chemistry 2025-05-12
Across
- Biological polymers composed of long chains of sugar.
- Hydrocarbons consisting of ring containing delocalized electrons.
- Hydrocarbons characterized by one or more triple bonds between carbon atoms.
- Protein catalysts found in living things.
- Sodium or potassium salts of fatty acids.
Down
- Alkanes and other organic compounds consisting of only hydrogen and carbon.
- Compounds with the same molecular formula but different arrangements of atoms.
- Rubbery polymers made from siliconoxygen chains rather than carbon chains.
- Substituted hydrocarbons containing one or more hydroxyl groups (-OH).
- Ionic compounds composed of any cation except H+ and anion except OH-.
10 Clues: Protein catalysts found in living things. • Sodium or potassium salts of fatty acids. • Biological polymers composed of long chains of sugar. • Hydrocarbons consisting of ring containing delocalized electrons. • Substituted hydrocarbons containing one or more hydroxyl groups (-OH). • Ionic compounds composed of any cation except H+ and anion except OH-. • ...
Chemistry 2025-12-05
Across
- a substance that speeds up a reaction without being consumed
- a method of determining concentration by controlled addition of a reagent
- a solid formed from a solution during a reaction
- the decomposition of a substance by electric current
- a compound with the same formula but a different structure
Down
- the loss of electrons or an increase in oxidation state
- the study of matter using its interaction with electromagnetic radiation
- a liquid that dissolves other substances
- containing a stable ring with delocalized electrons
- a large molecule made of repeating units
10 Clues: a liquid that dissolves other substances • a large molecule made of repeating units • a solid formed from a solution during a reaction • containing a stable ring with delocalized electrons • the decomposition of a substance by electric current • the loss of electrons or an increase in oxidation state • a compound with the same formula but a different structure • ...
CHEMISTRY 2025-08-24
Across
- a substance that can’t be broken down any further
- the process of a gas turning into a liquid
- negative ion or group of ions
Down
- neutrally charged particle in the nucleus
- positive ion or group of ions
- number, number representing the number of protons and electrons
- cloud, the area in an atom where electrons are found
- red paper used in chemical identification
- quantity of matter
- center of the atom
10 Clues: quantity of matter • center of the atom • positive ion or group of ions • negative ion or group of ions • neutrally charged particle in the nucleus • red paper used in chemical identification • the process of a gas turning into a liquid • a substance that can’t be broken down any further • cloud, the area in an atom where electrons are found • ...
Chemistry 2025-10-30
Across
- A pure substance made up of one atom
- Anything that takes up space
- A single atom or molecule
- A physical property of matter
- Oxygen,carbon,hydrogen,nitrogen,phosphorus,and sulfur
- proteins,lipids,carbs,and nucleic acids
- solute and solvent
Down
- Neutral and found in the nucleus
- Negatively charged particles
- Positively charged particles
10 Clues: solute and solvent • A single atom or molecule • Anything that takes up space • Negatively charged particles • Positively charged particles • A physical property of matter • Neutral and found in the nucleus • A pure substance made up of one atom • proteins,lipids,carbs,and nucleic acids • Oxygen,carbon,hydrogen,nitrogen,phosphorus,and sulfur
Chemistry 2025-11-24
Across
- liquid in which a solute dissolves
- Liquids that easily mix together
- reaction which occurs when an acid reacts with an alkali
- The condensed solvent which is collected at the end of distillation
- The insoluble solid which remains in the filter paper
- substance that dissolves in a solvent
Down
- solute dissolved in a solvent
- made up of two or more different types of atom chemically joined together
- The liquid which passes through the filter paper
- contains only one type of atom and cannot be broken down into anything simpler
10 Clues: solute dissolved in a solvent • Liquids that easily mix together • liquid in which a solute dissolves • substance that dissolves in a solvent • The liquid which passes through the filter paper • The insoluble solid which remains in the filter paper • reaction which occurs when an acid reacts with an alkali • ...
CHEMISTRY 2026-05-08
Across
- This metal with symbol K is very reactive.
- The ____ point of solids are very high.
- Particle forces between ____ are very strong.
- The process when a solid is changing into a gas.
- Speed of liquid particles depends on their ____ .
Down
- The element with the symbol V.
- The element with the symbol C.
- Splitting wood is a _______ process.
- The unit of measurement for volume.
- For combustion, colors of different ____ identify metals.
10 Clues: The element with the symbol V. • The element with the symbol C. • The unit of measurement for volume. • Splitting wood is a _______ process. • The ____ point of solids are very high. • This metal with symbol K is very reactive. • Particle forces between ____ are very strong. • The process when a solid is changing into a gas. • ...
Symposium 14/11/2019 2019-11-07
Across
- degree of resistance to chemical change or degradation
- Tool used for structured test evaluation
- opposite of generic treatment
- international federation of clinical chemistry and laboratory medicine
- material, sufficiently homogeneous and stable with reference to specified properties
- stakeholder and collaborator during test development
- periodically recurring evaluation of medical laboraty quality standards
- the process of making test results traceable to SI units
- TP/(TP+FN)
- TN/(TN+FP)
- cardiovascular disease
Down
- molecular appearance of a protein as a result of e.g. PTMs
- parallel quantitation of a number of analytes
- Technology used for protein quantitation
- acute kidney injury
- action of working together
- European federation of clinical chemistry and laboratory medicine
- functional protein on lipoprotein particles
- European regulation for medical devices
- Property of a material indicating concordance of results between two measurement procedures
- medical specialist
- free from contamination
- required for blood flow
- organ that filters 180 L blood per day
- clinical and laboratory standards institute
- quantity intended to be measured
- systeme international
- the application of better solutions that meet new requirements
28 Clues: TP/(TP+FN) • TN/(TN+FP) • medical specialist • acute kidney injury • systeme international • cardiovascular disease • free from contamination • required for blood flow • action of working together • opposite of generic treatment • quantity intended to be measured • organ that filters 180 L blood per day • European regulation for medical devices • Technology used for protein quantitation • ...
Unit 1 2023-01-24
Across
- A method for expressing very large and very small numbers
- A way to analyze and solve problems using units of measurements
- A mixture with a non uniform composition
- The measure of how close a series of measurements are to one another
- The ratio of the mass of an object to its volume
- A way to convert easily between units
- A solid formed from two liquids
- Anything that has mass and takes up space
- The percent that a measured value differs from the accepted value
Down
- What is used to represent an element?
- A well-tested explanation for a broad set of observations
- What branch of chemistry do metals fall under?
- The study of matter and the change it undergoes
- What is another word for chemical change?
- The study of changes in matter and energy
- A ratio of equivalent measurements
- The study of processes that occur inside living organisms
- What is the variable that is measured in an experiment?
- What are found on the periodic table?
- What is the base unit for mass?
20 Clues: What is the base unit for mass? • A solid formed from two liquids • A ratio of equivalent measurements • What is used to represent an element? • A way to convert easily between units • What are found on the periodic table? • A mixture with a non uniform composition • What is another word for chemical change? • The study of changes in matter and energy • ...
