chemistry Crossword Puzzles
Chemistry 2015-03-27
Across
- different substance after change, cannot get back
- number of protons, smaller number
- heat enters, temperature decreases
- negative charge, outside nucleus
- protons + neutrons, larger number
Down
- same substance after change, can get back
- heat exits, temperature increases
- no charge, in nucleus
- positive charge, in nucleus
9 Clues: no charge, in nucleus • positive charge, in nucleus • negative charge, outside nucleus • number of protons, smaller number • heat exits, temperature increases • protons + neutrons, larger number • heat enters, temperature decreases • same substance after change, can get back • different substance after change, cannot get back
chemistry 2021-01-04
Across
- has mass and takes up space
- everything is made from this
- this has a neutral charge
- this has a fixed shape to it
Down
- this has a negative charge
- this makes up everything
- this can change its shape to fit the container
- this has a positive charge
- no fixed shape (unlike a solid) and no fixed volume (unlike a liquid).
9 Clues: this makes up everything • this has a neutral charge • this has a negative charge • this has a positive charge • has mass and takes up space • everything is made from this • this has a fixed shape to it • this can change its shape to fit the container • no fixed shape (unlike a solid) and no fixed volume (unlike a liquid).
Chemistry 2021-01-04
Across
- A substance that fly's freely
- A stable subatomic particle with a positive charge
- Something that flows freely and doesn't keep its shape
- The amount of space something takes up
- A subatomic particle of about the same mass as a proton
Down
- The weight of something or the amount of this there are
- A extremely tiny particle
- Something that cant lose its shape
- A stable subatomic particle with a negative charge
9 Clues: A extremely tiny particle • A substance that fly's freely • Something that cant lose its shape • The amount of space something takes up • A stable subatomic particle with a positive charge • A stable subatomic particle with a negative charge • Something that flows freely and doesn't keep its shape • The weight of something or the amount of this there are • ...
chemistry 2021-01-04
Across
- takes the shape and volume of the space it is in
- a pure substance
- holds its shape and keeps the same volume
- positively charged particles of atoms
Down
- the amount of matter in an object
- the smallest particle of matter
- negatively charged
- takes the shape of the space it's in- fixed volume
- less particles of an atom
9 Clues: a pure substance • negatively charged • less particles of an atom • the smallest particle of matter • the amount of matter in an object • positively charged particles of atoms • holds its shape and keeps the same volume • takes the shape and volume of the space it is in • takes the shape of the space it's in- fixed volume
chemistry 2021-10-21
Across
- A substance stays the same
- is a chemical change where the item makes sound like pop rocks
- is a physical change where something melts
- is a physical change is a physical change where you cut the item into differnt pieces
- a new substance
- is a chemical change where to element make another one and it bubbles or fizzes
Down
- is a chemical change where something changes color
- is a physical change where something disolves in liquid
- is a physical change where the size changes
9 Clues: a new substance • A substance stays the same • is a physical change where something melts • is a physical change where the size changes • is a chemical change where something changes color • is a physical change where something disolves in liquid • is a chemical change where the item makes sound like pop rocks • ...
chemistry 2022-04-12
Across
- positively charged center of the atom
- Levels stable states of constant energy
- negative electricity
- the basic unit of a chemical element.
- Cloud system of electrons surrounding the nucleus of an atom.
- stable subatomic particle positive
Down
- Electron electrons in the outermost shell
- without an electric charge,
- a column in the periodic table
- horizontal rows of the periodic table
10 Clues: negative electricity • without an electric charge, • a column in the periodic table • stable subatomic particle positive • positively charged center of the atom • horizontal rows of the periodic table • the basic unit of a chemical element. • Levels stable states of constant energy • Electron electrons in the outermost shell • ...
Chemistry 2022-04-13
Across
- ability to burn or ignite
- cloud outer layers of atoms made up of energy levels
- amount of matter in a substance
- has a positive charge
Down
- ability to react with other elements
- ability to be hammered into thin sheets
- center of the atom
- makes up all mater
- level how acidic or alkaline basic a substance is compared to neutral
9 Clues: center of the atom • makes up all mater • has a positive charge • ability to burn or ignite • amount of matter in a substance • ability to react with other elements • ability to be hammered into thin sheets • cloud outer layers of atoms made up of energy levels • level how acidic or alkaline basic a substance is compared to neutral
Chemistry 2022-07-04
Across
- Smallest known particle
- Metal+Oxygen=
- The number of protons contained in an atom
Down
- The number of protons and neutrons contained in the atom
- The most electronegative element
- The burning of a substance in oxygen is an example of ...
- 31 on the periodic table
- Combustion is an ... reaction
- A bunch of different atoms bonded together
9 Clues: Metal+Oxygen= • Smallest known particle • 31 on the periodic table • Combustion is an ... reaction • The most electronegative element • The number of protons contained in an atom • A bunch of different atoms bonded together • The number of protons and neutrons contained in the atom • The burning of a substance in oxygen is an example of ...
Chemistry 2022-06-03
Across
- The process of separation of components using wind
- The layer of air around the earth.
- When no more of solid dissolves in water, the solution is said to be
- The process of separation of cotton seeds from cotton fibres
Down
- The process of changing water vapour into the liquid on cooling
- Name the substance used for the process of loading
- The process of making yarn from fibres
- Materials which do not dissolves in water are called
- The process of arranging two sets of yarn together to make a fabric
9 Clues: The layer of air around the earth. • The process of making yarn from fibres • The process of separation of components using wind • Name the substance used for the process of loading • Materials which do not dissolves in water are called • The process of separation of cotton seeds from cotton fibres • The process of changing water vapour into the liquid on cooling • ...
Chemistry 2022-06-03
Across
- The process of separation of components using wind
- The layer of air around the earth.
- When no more of solid dissolves in water, the solution is said to be
- The process of separation of cotton seeds from cotton fibres
Down
- The process of changing water vapour into the liquid on cooling
- Name the substance used for the process of loading
- The process of making yarn from fibres
- Materials which do not dissolves in water are called
- The process of arranging two sets of yarn together to make a fabric
9 Clues: The layer of air around the earth. • The process of making yarn from fibres • The process of separation of components using wind • Name the substance used for the process of loading • Materials which do not dissolves in water are called • The process of separation of cotton seeds from cotton fibres • The process of changing water vapour into the liquid on cooling • ...
Chemistry 2022-02-08
Across
- Galactose, Ribose, Deoxyribose
- Fruit sugar (monosaccharide)
- Sucrose, Maltose, Lactose
- Starch, Cellulose, Glycogen, Chiton
Down
- Molecules that contain carbon bonded to other
- of atoms attached to a carbon skeleton.
- a reaction in your body that digests polymers.
- What your brain eats (monosaccharide)
- include simple sugars
9 Clues: include simple sugars • Sucrose, Maltose, Lactose • Fruit sugar (monosaccharide) • Galactose, Ribose, Deoxyribose • Starch, Cellulose, Glycogen, Chiton • What your brain eats (monosaccharide) • of atoms attached to a carbon skeleton. • Molecules that contain carbon bonded to other • a reaction in your body that digests polymers.
Chemistry 2021-12-09
9 Clues: Example-ice • Example-water • Example-steam • A gas we need for respiration • Used to make smartphone screens • 2 or more atoms bonded together • The most valuable element,highly explosive • Smallest ordinary matter that forms an element • In liquid form, extremely cold, also the most abundant gas
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 2022-02-13
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 2022-11-02
Across
- ion one atom
- state an atom if all of its bonds to different atoms were fully ionic.
- formula The simplest whole number ratio of atoms present in a compound.
- compound a substance composed of exactly two different elements.
- acid with a base.
Down
- an anion containing one or more oxygen.
- separate chemicals.
- number the total number of electrons
- mass The sum of the atomic weights
- composition Tells you by mass what percent of each element is present in a compound.
10 Clues: ion one atom • acid with a base. • separate chemicals. • mass The sum of the atomic weights • number the total number of electrons • an anion containing one or more oxygen. • compound a substance composed of exactly two different elements. • state an atom if all of its bonds to different atoms were fully ionic. • ...
CHEMISTRY 2021-03-24
10 Clues: Foil • citric acid • citric acid • A charged atom • small particle • A neutral charge • positively charged • negatively charged • gives you air to breath • A crystal substance the is used for cooking
Chemistry 2021-04-01
9 Clues: O • H • H2O • One kind of atom • visible ingredients • non-visible ingredients • any atom that is connected by chemical bonds • Two or more different elements bound together • Can be separated into components by physical means
Chemistry 2023-11-09
Across
- particle that contains protons, neutrons, and electrons
- change when chemical bonds are formed or broken
- bonds links between atoms in a substance that determines its identity
- bond distributed electrons
Down
- bonds transfer electrons
- left of the periodic table
- formula letters and numbers that create a formula
- rule atoms with fewer or more than 8 electrons in the outermost shell
- bonds share electrons
- group of atoms held together with chemical bonds
- right of the periodic table
11 Clues: bonds share electrons • bonds transfer electrons • left of the periodic table • right of the periodic table • bond distributed electrons • change when chemical bonds are formed or broken • formula letters and numbers that create a formula • group of atoms held together with chemical bonds • particle that contains protons, neutrons, and electrons • ...
Chemistry 2023-10-06
Across
- property can be observed or measured without changing the substapure
- substance either a element or compound
- to transfer heat to electrical energy
- to be reshaped without breaking
- physical and chemical characteristics of matter
Down
- reaction which one or more substances change to produce one or more different substances
- property can only be observed or measured when atoms of matter change
- to break rather flex or bend
- either metallic, silky, dull, or glassy
- attraction exerted by oppositely charged particles
10 Clues: to break rather flex or bend • to be reshaped without breaking • to transfer heat to electrical energy • substance either a element or compound • either metallic, silky, dull, or glassy • physical and chemical characteristics of matter • attraction exerted by oppositely charged particles • property can be observed or measured without changing the substapure • ...
chemistry 2020-07-23
Across
- density,volume,color,mass are all _properties.
- adding and removing changes the state of matter
- definte volume but no shape
- has definte volume and shape
- process of gas becoming liquid
Down
- process of liquid to gas called
- has neither definite shape or volume
- the solid form of water
- the amount of matter something contain is called as
- definite volume and shape
10 Clues: the solid form of water • definite volume and shape • definte volume but no shape • has definte volume and shape • process of gas becoming liquid • process of liquid to gas called • has neither definite shape or volume • density,volume,color,mass are all _properties. • adding and removing changes the state of matter • the amount of matter something contain is called as
Chemistry 2020-06-02
9 Clues: modern periodic law • atomic number is six • proposed atomic theory • Are also called energy levels • element which have no neutron • valence electons of noble gases • the revolving path traced by electrons • noble gases are also called as ----- gases • elements from group 3 to 12 are-------- metals
Chemistry 2024-08-05
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 2023-01-30
Across
- equal on both sides
- matter can neither be created or destroyed
Down
- elements or compounds on the right side of the arrow
- Reactants to products
- elements or compounds on the left side of the arrow
- the tiny number at the bottom of an element
- regular-sized numbers that tell you how many molecules you have
- not equal on both sides
- equals
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 2023-08-13
Across
- a minute portion of matter
- holding as much water as can be absorbed
- a body temperature above normal
- particles filling the the whole container
- the action of being moved apart
- firm and stable in shape
Down
- liquid that has gone through a process of filtration
- a substance made by mixing other substances together
- pouring from one container into another
9 Clues: firm and stable in shape • a minute portion of matter • a body temperature above normal • the action of being moved apart • 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 • a substance made by mixing other substances together
chemistry 2023-08-13
Across
- a small discrete amount of something
- holding as much water as can be absorbed
- a body temperature above normal
- particles filling the the whole container
- the action of being moved apart
- firm and stable in shape
Down
- liquid that has gone through a process of filtration
- a substance made by mixing other substances together
- pouring from one container into another
9 Clues: firm and stable in shape • a body temperature above normal • the action of being moved apart • 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 • a substance made by mixing other substances together
chemistry 2023-08-13
Across
- firm and stable in shape
- a substance made by mixing other substances together
- a body temperature above normal
- a small discrete amount of something
- holding as much water as can be absorbed
- particles filling the the whole container
Down
- liquid that has gone through a process of filtration
- the action of being moved apart
- pouring from one container into another
9 Clues: firm and stable in shape • 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 • a substance made by mixing other substances together
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 2025-05-07
Across
- Containing only hydrogen and carbon
- Hydroxyl group is the functional group
- Unsaturated compound, one or more double bonds
- OH group is bound to two other C atoms
- OH group bound to another C atom
Down
- One or more H atom have been replaced with halogen
- Analysis method based on the fact that substances absorb radiation
- Simplest hydrocarbon, single bonds only
- Determine the concentration of a substance that absorbs radiation in visible light
9 Clues: OH group bound to another C atom • Containing only hydrogen and carbon • Hydroxyl group is the functional group • OH group is bound to two other C atoms • Simplest hydrocarbon, single bonds only • Unsaturated compound, one or more double bonds • One or more H atom have been replaced with halogen • Analysis method based on the fact that substances absorb radiation • ...
Chemistry 2025-01-15
10 Clues: Takes up space • Takes up space • Pure substance • Physically Combined • Chemically Combined • Molecules are spread out • Building blocks of matter • table table of chemical elements • Chemical representation of atom/element • takes up the space of the container it is in
Chemistry 2026-02-02
Across
- 3D space where an electron is found most of the time
- Located in the nucleus and contain a neutral charge
- Number that defines the element
- Atoms that join together
- Element with a mass number of 35
Down
- Atom of the same element that have different mass numbers due to the number of neutrons
- The mass of protons and neutrons
- Element that contains 5 electrons and 6 neutrons
- atoms that decay and release particles and energy
9 Clues: Atoms that join together • Number that defines the element • The mass of protons and neutrons • Element with a mass number of 35 • Element that contains 5 electrons and 6 neutrons • atoms that decay and release particles and energy • Located in the nucleus and contain a neutral charge • 3D space where an electron is found most of the time • ...
Chemistry 2025-10-16
9 Clues: A charged particle • A neutral particle • A negative particle • A positive particle • Group 7 on the periodic table • Group 8 on the periodic table • Group 1 on the periodic table • Where the protons and neutrons are found • where the electrons are found in an atom
Chemistry 2025-12-19
10 Clues: December 25th • Christmas meat • bring the gifts • what Santa brings • what Santa brings • shape- linear, bent • ion- sulfate, nitrate • formula begins with H • valence shell electron pair repulsion • dot structure- diagram using elements and dots
Chemistry 2026-03-17
Across
- The substances mixed together to create a reaction
- The change where a new substance is not formed
- state of matter where
- The state of matter that fills the bottom of it's container
- The process where one or more substances (reactants) undergo a change in chemical composition to form new a substance
Down
- The state of matter where the atoms move by vibrating and oscillating
- The change where a new substance is formed
- The end results of a reaction
- A substance with multiple different atoms that are bonded together
9 Clues: state of matter where • The end results of a reaction • The change where a new substance is formed • The change where a new substance is not formed • The substances mixed together to create a reaction • The state of matter that fills the bottom of it's container • A substance with multiple different atoms that are bonded together • ...
Chemistry 2026-03-05
Across
- a negative subatomic particle
- describe oxidised organic material
- substance that reduces another substance and is oxidised during the reaction
- the loss of electrons
Down
- a reaction where more reactive elements displace less reactive ones
- the gain of electrons
- a reaction where substance reacts with oxygen
- the process of rusting on metals
- a reaction that compliments each other
9 Clues: the gain of electrons • the loss of electrons • a negative subatomic particle • the process of rusting on metals • describe oxidised organic material • a reaction that compliments each other • a reaction where substance reacts with oxygen • a reaction where more reactive elements displace less reactive ones • ...
chemistry 2026-04-28
Across
- An element is a substance that cannot be broken down into any other substance.
- The larger number that tells us how many protons and neutrons there are in a nucleus of an atom.
- A chemical that can show if a substance is acidic or alkaline by changing colour.
- chemical reaction between an acid and a base, which forms water and a salt.
Down
- a way of organising the elements which is used by scientists to group elements with similar properties.
- A substance with particular chemical properties including turning litmus blue and neutralising acids.
- The smaller number that tells us how many protons or electrons there are in an atom
- An internationally recognised letter that stands for an element
- elements in the same group (same vertical column) have similar chemical properties
9 Clues: An internationally recognised letter that stands for an element • chemical reaction between an acid and a base, which forms water and a salt. • An element is a substance that cannot be broken down into any other substance. • A chemical that can show if a substance is acidic or alkaline by changing colour. • ...
Chemistry 2022-08-30
9 Clues: Big particles • boiling points • tiny particles • medium particles • evenly dispersed • layers like onions • Substance elements • physically combined • Solution does not do it
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 2022-06-01
Across
- an educated guess
- Anything that has mass and takes up space
- Contains more than one type of particle
- smallest piece of matter
Down
- A pure substance that cannot be broken down
- Sodium Chloride
- Contains multiple elements bonded together
- Shiny, good conductors, malleable and ductile
- column of the periodic table
9 Clues: Sodium Chloride • an educated guess • smallest piece of matter • column of the periodic table • Contains more than one type of particle • Anything that has mass and takes up space • Contains multiple elements bonded together • A pure substance that cannot be broken down • Shiny, good conductors, malleable and ductile
Chemistry 2022-07-04
Across
- The number of protons and neutrons contained in the atom
- The burning of a substance in oxygen is an example of ...
- 31 on the periodic table
- The most electronegative element
- A bunch of different atoms bonded together
Down
- Smallest known particle
- Metal+Oxygen=
- Combustion is an ... reaction
- The number of protons contained in an atom
9 Clues: Metal+Oxygen= • Smallest known particle • 31 on the periodic table • Combustion is an ... reaction • The most electronegative element • The number of protons contained in an atom • A bunch of different atoms bonded together • The number of protons and neutrons contained in the atom • The burning of a substance in oxygen is an example of ...
Chemistry 2020-06-02
9 Clues: modern periodic law • atomic number is six • proposed atomic theory • Are also called energy levels • element which have no neutron • valence electons of noble gases • the revolving path traced by electrons • noble gases are also called as ----- gases • elements from group 3 to 12 are-------- metals
chemistry 2020-12-25
Across
- 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?
- Aldehydes other than formaldehyde react with Grignard’s reagent to give addition products which on hydrolysis give
- Benzoyl Chloride on reduction with H2/Pd-BaSO4 produces
- the major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is
Down
- Hydrocarbons are formed when aldehydes and ketones are reacted with amalgamated zinc and conc. HCl. The reaction is called
- the compound obtained by the reaction of ethene with diborane followed by hydrolysis with alkaline H2O2 is
- Chromyl chloride oxidized methyl group to a chromium complex which on hydrolysis gives corresponding benzaldehyde.Name the reaction
- benzene or its derivative is treated with co and HCl in presence of anhy.AlCl3/CuCl give benzaldehyde. name the reaction
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 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 2021-01-22
9 Clues: not equal • to be equal • tiny numbers • numbers and letters • left of the equation • right of the equation • big numbers you multiply • matter cannot be destroyed • the line in the middle of the two equation
chemistry 2021-01-04
Across
- less particles of an atom
- a pure substance
- takes the shape of the space it's in- fixed volume
- the smallest particle of matter
- the amount of matter in an object
Down
- positively charged particles of atoms
- negatively charged
- holds its shape and keeps the same volume
- takes the shape and volume of the space it is in
9 Clues: a pure substance • negatively charged • less particles of an atom • the smallest particle of matter • the amount of matter in an object • positively charged particles of atoms • holds its shape and keeps the same volume • takes the shape and volume of the space it is in • takes the shape of the space it's in- fixed volume
Chemistry 2021-01-04
Across
- have mass.
- of atoms and are located in nucleus,
- the nucleus in orbits and have no
- Protons are positively charged
- particles of atoms and are located
Down
- Neutrons are chargeless particles of
- Electrons are negatively charged
- They are located in nucleus, and have
- smallest part of an element that still has element characteristics
9 Clues: have mass. • Protons are positively charged • Electrons are negatively charged • the nucleus in orbits and have no • particles of atoms and are located • Neutrons are chargeless particles of • of atoms and are located in nucleus, • They are located in nucleus, and have • smallest part of an element that still has element characteristics
Chemistry 2021-04-01
9 Clues: H • O • H20 • One kind of atom • Visible ingredients • Invisible ingredients • Any atom that is connected by chemical bonds • Two or more different elements bound together • Can be seperated into components by physical means
Chemistry 2021-08-20
Across
- a type of particle with two protons and two neutrons. Has a +2 charge.
- the relative ability of an elements atoms to attract electrons.
- a pure substance that cannot be broken down into simpler substances.
- the center of the atom
- the amount of mass per unit volume
Down
- a mixture that is not uniform throughout.
- a mixture that is uniform throughout.
- the smallest particle of an element that keeps that elements properties.
- a negatively charged particle.
9 Clues: the center of the atom • a negatively charged particle. • the amount of mass per unit volume • a mixture that is uniform throughout. • a mixture that is not uniform throughout. • the relative ability of an elements atoms to attract electrons. • a pure substance that cannot be broken down into simpler substances. • ...
Chemistry 2023-01-30
9 Clues: Equals • After the reaction • Equal on both sides • Before the reaction • Reactants-->Products • Not equal on both sides • Multiply atoms to balance the equation • Matter can neither created or destroyed • Smaller number, tells you the atoms amount
Chemistry 2023-04-14
Across
- The branch of science that deals with the properties, composition, and structure of elements and compounds.
- the basic unit of a chemical element.
- A solid material that is typically hard shiny.
- Number The quantity of matter contained in an atom of an element.
- A small, positively charged particle of matter.
Down
- The number of atoms of that element.
- Mass The number of protons in the nucleus of an atom.
- A substance made from two or more different elements that have been chemically joined.
- A small particle with a negative charge of matter.
- Anything that takes up space.
10 Clues: Anything that takes up space. • The number of atoms of that element. • the basic unit of a chemical element. • A solid material that is typically hard shiny. • A small, positively charged particle of matter. • A small particle with a negative charge of matter. • Mass The number of protons in the nucleus of an atom. • ...
chemistry 2023-05-01
Across
- a material that lets electricity flow through it
- physical substance in general
- number: the number of protons in the nucleus of an atom
- hard but easy to break
- subatomic particle about the same mass as a proton
- stable subatomic particle in all atomic nuclei
Down
- atoms as a source of nuclear energy
- important part of an object
- mass: The atomic mass of a single atom or total mass
- a stable subatomic particle with a charge of negative electricity
10 Clues: hard but easy to break • important part of an object • physical substance in general • atoms as a source of nuclear energy • stable subatomic particle in all atomic nuclei • a material that lets electricity flow through it • subatomic particle about the same mass as a proton • mass: The atomic mass of a single atom or total mass • ...
chemistry 2023-05-17
Across
- number, number of units in one mole of any substance (defined as its molecular weight in grams), equal to 6.02214076 × 1023
- slow downs the chemical and the reaction too
- energy, in a fire, we transform carbon in wood into CO2
- The amount of substance that contains the same number of chemical species
Down
- substance, such as calcium oxide, that absorbs water and is used to remove moisture
- any compound containing water in the form of H2O molecules, usually, but not always, with a definite content of water by weight
- mass, compound tells you the mass of 1 mole of that substance
- replacement, a chemical reaction in which one element replaces another in a compound.
- replacement, cur when parts of two ionic compounds are exchanged, making two new compounds.
9 Clues: slow downs the chemical and the reaction too • energy, in a fire, we transform carbon in wood into CO2 • mass, compound tells you the mass of 1 mole of that substance • The amount of substance that contains the same number of chemical species • substance, such as calcium oxide, that absorbs water and is used to remove moisture • ...
Chemistry 2023-06-19
10 Clues: 水 • 陰極 • 陰極 • うすい • 電気分解 • gains electron • prediction or guess • examples: BTB, litmus paper, red cabbage • separated into cations (+) and hydroxide ions (OH-) • forcefully remove or push out something from its position
chemistry 2023-07-06
9 Clues: xenon • has no charge • non renewable • atomic number of 32 • chemically inactive • speeds up a reaction • a mixture of 2 metals • is the 7th group on the periodic table • alkalis and acids react together to produce salt and
Chemistry 2013-11-28
9 Clues: mostly • turn away • a few/thinner • focus on something • exact/clearly stated • do not take sides/has no charge • a little things(atom)/a minute portion of matter • have a lots energy/relating to or characterized by energy • verifiable by observation or experience rather than theory or logic
Chemistry 2015-03-09
9 Clues: it's in bananas • it is expensive • it's symbol is Fe • it's symbol is Na • it is used in pencils • it's bendy and silver • it's used for cooking • sounds like a Mini "cooper" • it makes your bones and teeth stronger
Chemistry 2015-10-13
9 Clues: melting ice • can dissolve • baking a cake • can't dissolve • happens on iron • creates heat and light • the solid part of a solution • when a liquid turns into a gas • the liquid part of an solution
chemistry 2017-02-07
9 Clues: brain of a atom • is a arranged group • neutral part of a atom • positive part of a atom • negative part of a atom • how compact a object is • something that takes up space • combination that can be reversed • something composed of 2 or more substances
Chemistry 2018-06-27
9 Clues: It flows freely • It sucks things up • Corrosive substance • The opposite of boiling point • They are on the periodic table • Its neither a liquid or a solid • You can move things by using this • Its a chemical reaction but in symbols • Where molecules move from concentrations
Chemistry 2021-12-09
9 Clues: found on the left side • brittle and and insulator • what has a neutral charge? • what has a positive charge? • how the elements are organized • a chart that has all the elements • what is located in the electron cloud? • a change where the atoms are rearranged • what is the smallest part of an element?
Chemistry 2021-12-23
Across
- the poisonous gas produced during incomplete combustion.
- the lowest temperatureat which a substance catches fire.
- dark oily liquid.
Down
- unit used to expressed the calorific value.
- obtained from the dead remains of living organisms.
- essential for combustion
- used as a fuel for vehicles.
- the oxide dissolve in the rain water.
- almost pure form of carbon.
9 Clues: dark oily liquid. • essential for combustion • almost pure form of carbon. • used as a fuel for vehicles. • the oxide dissolve in the rain water. • unit used to expressed the calorific value. • obtained from the dead remains of living organisms. • the poisonous gas produced during incomplete combustion. • the lowest temperatureat which a substance catches fire.
Chemistry 2022-01-06
9 Clues: from gas to liquid • used to measure mass • measures temperature • Changing from solid to gas • changing from liquid to gas • when salt disappears in water • changing from liquid to solid • changing from solid to liquid • way we represent kinetic energy
Chemistry 2022-04-13
Across
- ability to burn or ignite
- cloud outer layers of atoms made up of energy levels
- amount of matter in a substance
- has a positive charge
Down
- ability to react with other elements
- ability to be hammered into thin sheets
- center of the atom
- makes up all mater
- level how acidic or alkaline basic a substance is compared to neutral
9 Clues: center of the atom • makes up all mater • has a positive charge • ability to burn or ignite • amount of matter in a substance • ability to react with other elements • ability to be hammered into thin sheets • cloud outer layers of atoms made up of energy levels • level how acidic or alkaline basic a substance is compared to neutral
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 2025-03-18
Chemistry 2025-10-23
9 Clues: a cluster of atoms • needs a microscope • see with the naked eye • a change is size or shape • reaction that takes in heat • reaction that releases heat • the basic building block of all matter • two substances mixeds to create a new substances • the degree or intensity of heat present in a substance or object
Chemistry 2023-10-02
Across
- solution of metals
- made when on substance in disolved into another substance
- change of substance when a reation occurs
- something with a definate volume and shape
Down
- can be observed whithout changing the identity of the substance
- simplist form of matter
- chemicly combined atoms of 2 or more different elements
- combinations with even or uneven distrobution
- something with a definate volume but indefinate shape
9 Clues: solution of metals • simplist form of matter • change of substance when a reation occurs • something with a definate volume and shape • combinations with even or uneven distrobution • something with a definate volume but indefinate shape • chemicly combined atoms of 2 or more different elements • made when on substance in disolved into another substance • ...
Chemistry! 2024-12-04
Across
- What do we call a group of the same or different atoms?
- What is a negatively charged atom called?
- Two or more different elements combined to form a new pure substance
- What is a pure substance made up of only one type of atom?
Down
- what do we call the bond between positive and negative atoms?
- What do we call the bond between atoms SHARING electrons?
- If an atom LOSES electrons, what charge does it have?
- What is a positively charged atom called?
- How many electrons are needed in the valence shell for an atom to be stable?
9 Clues: What is a negatively charged atom called? • What is a positively charged atom called? • If an atom LOSES electrons, what charge does it have? • What do we call a group of the same or different atoms? • What do we call the bond between atoms SHARING electrons? • What is a pure substance made up of only one type of atom? • ...
Chemistry 2025-04-22
Across
- A substance that speeds up a chemical reaction
- A positively charged particle in the nucleus
- A combination of substances that are not chemically bonded.
- A measure of how acidic or basic a solution is.
- A pure substance that cannot be broken down into simpler substances by chemical means
- The most abundant element in the Earth's atmosphere.
Down
- A negatively charged particle orbiting the nucleus
- When a solid turns directly into a gas.
- A reaction that releases heat to its surroundings.
9 Clues: When a solid turns directly into a gas. • A positively charged particle in the nucleus • A substance that speeds up a chemical reaction • A measure of how acidic or basic a solution is. • A negatively charged particle orbiting the nucleus • A reaction that releases heat to its surroundings. • The most abundant element in the Earth's atmosphere. • ...
chemistry 2024-07-04
Across
- oxygen is added to a chemical in a reaction
- made up of more than one type of element or compound
- water turning into ice
- scientific word for burning
- smallest part of any substance
- made up of 1 type of atom
Down
- breaking down a substance using heat
- heat entering a reaction-feels colder
- made up of 2 or more types of atoms joined together by chemical bonds
9 Clues: water turning into ice • made up of 1 type of atom • scientific word for burning • smallest part of any substance • breaking down a substance using heat • heat entering a reaction-feels colder • oxygen is added to a chemical in a reaction • made up of more than one type of element or compound • made up of 2 or more types of atoms joined together by chemical bonds
chemistry 2024-06-27
9 Clues: treat indigestion • oxidised fat or oil • smallest unit of a matter • mixture of 2 or more metal • Rusting of iron is known as • acid reacts with base and make salt • 4 carbon compound with ketone group • bonds that are made by sharing of electron • metal that reacts with acid to give H2 gas
Chemistry 2025-11-23
Across
- Equipment that provides heat for chemical experiments, often fueled by gas or alcohol
- A subatomic particle with a negative electrical charge that orbits the nucleus
- The smallest unit of a compound made of two or more atoms chemically bonded together
- A small cylindrical glass item used for holding small amounts of chemicals during experiments
Down
- A subatomic particle found in the nucleus that has a positive electrical charge
- A wide-mouthed glass container used for mixing, heating, and holding liquids (volume marks are non-precise)
- The compound with the formula H2O
- Equipment used in the lab to accurately measure the mass of a substance
- A pure substance made of only one kind of atom
9 Clues: The compound with the formula H2O • A pure substance made of only one kind of atom • Equipment used in the lab to accurately measure the mass of a substance • A subatomic particle with a negative electrical charge that orbits the nucleus • A subatomic particle found in the nucleus that has a positive electrical charge • ...
Chemistry 2025-12-01
Across
- particles in this state or phase a very spread out
- This, like a dozen refers to a specific number of something
- particles in this state cannot be compressed but slide relative to one another
- mass of one, charge of +1
- particles in this state are fixed in place
- mass of one, charge of zero
Down
- This is the name given to the number of particles in a mole
- mass of zero, charge of -1
- this is like a mole, only a LOT smaller
9 Clues: mass of one, charge of +1 • mass of zero, charge of -1 • mass of one, charge of zero • this is like a mole, only a LOT smaller • particles in this state are fixed in place • particles in this state or phase a very spread out • This is the name given to the number of particles in a mole • This, like a dozen refers to a specific number of something • ...
Chemistry 2025-12-08
Across
- Acid containing hydrogen and another element, but no oxygen
- Substance that accepts a proton or produces OH⁻
- Substance that dissolves a solute to form a solution
- Acid containing hydrogen, oxygen, and another element
- Homogeneous mixture of a solute dissolved in a solvent
- Compound that dissociates into ions in solution
Down
- Compound dissolving without forming ions
- Substance dissolved by a solvent in a solution
- Substance that donates a proton (H⁺)
9 Clues: Substance that donates a proton (H⁺) • Compound dissolving without forming ions • Substance dissolved by a solvent in a solution • Substance that accepts a proton or produces OH⁻ • Compound that dissociates into ions in solution • Substance that dissolves a solute to form a solution • Acid containing hydrogen, oxygen, and another element • ...
chemistry ;) 2026-03-20
Across
- the liquid/solution collected in the beaker
- has a structure that suits its function
- connects bone to bone
- to switch on the light and off
Down
- the residue is the solid left in funnel
- eyepiece helps you see through the microscope
- keeps away bacteria entering the body
- carries oxygen to the lungs to keep the body alive
- helps you zoom in and out
9 Clues: connects bone to bone • helps you zoom in and out • to switch on the light and off • keeps away bacteria entering the body • the residue is the solid left in funnel • has a structure that suits its function • the liquid/solution collected in the beaker • eyepiece helps you see through the microscope • carries oxygen to the lungs to keep the body alive
Organic chemistry 2021-03-18
Across
- What is the name of series one in which adjacent members differ by a constant unit?
- What is the hardest material known to man?
- What is the shape of bonding in a carbon atom?
- Compounds that have the same molecular formula but different structures.
- Name of hydrocarbons with six membered carbon rings and delocalized electrons.
- Hydrocarbons with triple covalent bonds.
- What is the primary aromatic hydrocarbon?
- Hydrocarbons that contain double covalent bonds.
Down
- Name of alkanes in which the carbon atoms are arranged in a ring, or cyclic, structure.
- What is the name of hydrocarbons in which not all carbon atoms have four single covalent bonds?
- Soft, black, crystalline form of carbon that is a fair conductor of electricity.
- The simplest organic compounds, composed of only carbon and hydrogen.
- Example of saturated hydrocarbon starts with letter "p".
- Name of hydrocarbons in which each carbon atom in the molecule form four single covalent bonds with other atoms.
- Hydrocarbons that contain only single 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 final 2021-01-12
Across
- left side of the staircase, are ductile and good conductors
- an ion with 1 atom
- has properties of both metals and non-metals
- when 2 elements are conveniently bonded together
- positively charged ion, have more protons than electrons
- formula that is arranged in the smallest whole number ratio
Down
- bond between 2 non-metals that share electrons
- a bond between a nonmetal and a metal where they transfer elections
- actual whole number ratio of a molecule
- an ion with more than 1 atom
- right of the staircase is brittle and bad conductors
- has a charge of o
- lowest whole number ratio of ions in an ionic compound
- negatively charged ion, have more electrons than protons
- when a non-metal and metal transfer electrons
15 Clues: has a charge of o • an ion with 1 atom • an ion with more than 1 atom • actual whole number ratio of a molecule • has properties of both metals and non-metals • when a non-metal and metal transfer electrons • bond between 2 non-metals that share electrons • when 2 elements are conveniently bonded together • right of the staircase is brittle and bad conductors • ...
Chemistry Basics 2021-01-04
Across
- Has a definite shape and definite volume
- Contains the proton and the neutron
- Roams outside the nucleus and is negative
- Has mass and volume
- The number of how many protons the element has and the place it is on, on the periodic table.
- You use this number to find the mass number
- Has and indefinite shape but has a definite volume
Down
- The rounded up number of the atomic mass.
- Inside of the nucleus and is positive
- Made up of a bunch of the same types of atoms
- Also inside the nucleus but has is neutral
- The basic unit of a chemical element
- The letter or two letters that abbreviate the element
- amount of stuff in an object
- Has no definite volume or shape
15 Clues: Has mass and volume • amount of stuff in an object • Has no definite volume or shape • Contains the proton and the neutron • The basic unit of a chemical element • Inside of the nucleus and is positive • Has a definite shape and definite volume • The rounded up number of the atomic mass. • Roams outside the nucleus and is negative • Also inside the nucleus but has is neutral • ...
Chemistry Crossword 2020-05-04
Across
- NH4Cl ⇌ 2NO2.
- replacement of one reactor with another.
- eg Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g) .
- chemical reaction in which two soluble salts in aqueous solution combine and one of the products is an insoluble salt .
- quantitative reaction of an acid and a base.
- 'enzymes' are one of its types.
Down
- 2KClO3 —->[heat]2KCl+3o2.
- accompanied by loss of electrons.
- eg.NaOH+HCL.
- eg Cracking of alkanes.
- plants undergo this type of reaction.
- for example rusting of iron.
- dissociation +(q2-across).
- Oxygen and Hallogens are more likely to undergo this reaction.
- accompanied by the passage of an electric current.
15 Clues: eg.NaOH+HCL. • NH4Cl ⇌ 2NO2. • eg Cracking of alkanes. • 2KClO3 —->[heat]2KCl+3o2. • dissociation +(q2-across). • for example rusting of iron. • 'enzymes' are one of its types. • accompanied by loss of electrons. • plants undergo this type of reaction. • replacement of one reactor with another. • eg Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g) . • ...
Chemistry Crossword 2020-05-04
Across
- for example rusting of iron.
- chemical reaction in which two soluble salts in aqueous solution combine and one of the products is an insoluble salt .
- replacement of one reactor with another.
- quantitative reaction of an acid and a base.
- accompanied by loss of electrons.
- eg.NaOH+HCL.
- NH4Cl ⇌ 2NO2.
- a reaction where the reactants and products react together to give the reactants back
Down
- Oxygen and Hallogens are more likely to undergo this reaction.
- plants undergo this type of reaction.
- eg Cracking of alkanes.
- 2KClO3 —->[heat]2KCl+3o2.
- 'enzymes' are one of its types.
- eg Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g) .
- accompanied by the passage of an electric current.
15 Clues: eg.NaOH+HCL. • NH4Cl ⇌ 2NO2. • eg Cracking of alkanes. • 2KClO3 —->[heat]2KCl+3o2. • for example rusting of iron. • 'enzymes' are one of its types. • accompanied by loss of electrons. • plants undergo this type of reaction. • replacement of one reactor with another. • eg Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g) . • quantitative reaction of an acid and a base. • ...
gas chemistry 2020-09-05
Across
- ประพฤติตนตามกฎของแก๊ส
- แก๊สอุดมคติเมื่ออุณหภูมิสูงและความดันต่ำจะประพฤติตนเหมือนกับ
- ความดันย่อย
- P1V1 = P2V2
- ลักษณะโมเลกุลของแก๊สตามทฤษฎีจลน์ของแก๊ส
- ค่า R
Down
- การแพร่ของแก๊ส
- การชนกันของโมเลกุลของแก๊ส
- ปริมาตรแปรผันตรงกับจำนวนโมล
- การแพร่เข้าสู่สุญญากาศของแก๊สผ่านรูเล็ก ๆ
- ปริมาตรแปรผันตรงกับอุณหภูมิ
- ลักษณะการเคลื่อนที่ของแก๊ส
- กฎของความดันย่อย
- หน่วยของอุณหภูมิ
- สภาวะมาตรฐาน
15 Clues: ค่า R • ความดันย่อย • P1V1 = P2V2 • สภาวะมาตรฐาน • การแพร่ของแก๊ส • กฎของความดันย่อย • หน่วยของอุณหภูมิ • ประพฤติตนตามกฎของแก๊ส • การชนกันของโมเลกุลของแก๊ส • ลักษณะการเคลื่อนที่ของแก๊ส • ปริมาตรแปรผันตรงกับจำนวนโมล • ปริมาตรแปรผันตรงกับอุณหภูมิ • ลักษณะโมเลกุลของแก๊สตามทฤษฎีจลน์ของแก๊ส • การแพร่เข้าสู่สุญญากาศของแก๊สผ่านรูเล็ก ๆ • ...
Chemistry Vocabullary 2020-10-13
Across
- An area that takes up the space of the central core of an atom and consists of positive and no charge subatomic particles
- Are positively charged particles that have a high energy and are located in the nucleus
- Occurs when two atoms that are seperate, share one or more pairs of electrons
- Is an outer shell electron, that is associated with the formation of an atom;farthest away from the nucleus
- Is the simplest part of a substance that retains all of the properties of this said substance and exists in a free state
- The basic unit that makes up an element, the simplest particle of an elemen, basic unit of matter
Down
- Any atom or group of atoms, that either form a positive or negative charge
- a scientific table that was first assembled by Dmitri Mendeleev, which entails all of the elements known to man, which are organized by their atomic number
- Is a pure substance made up of atoms of two or more elements
- A transferring of electrons from atom to another. Can either result in being a positvely or negatively charged ion
- A pure substance that can not be broken down into simpler kinds of substances
- Anything that has mass and takes up space, everything in the universe is composed of matter
- Particles with no charge located in the nucleus, depending on the number, different isotopes may form
- Variants of a certain element based on the amount of neutrons in the nucleus.
- Are negatively charged subatomic particles that have a high energy with almost no mass, which are located in the shells of an atom
15 Clues: Is a pure substance made up of atoms of two or more elements • Any atom or group of atoms, that either form a positive or negative charge • Occurs when two atoms that are seperate, share one or more pairs of electrons • A pure substance that can not be broken down into simpler kinds of substances • ...
Chemistry vocab 2020-09-08
Across
- substance diffused in the air
- combination of 2 or more types of atoms
- physical combination
- liquid mixture in which the minor component is uniformly distributed within the major components
- purifying liquid by heating and cooling
- set of elements in the same vertical column
- changes the substance when measured
- tightly bonded atoms
- does not depend on the amount present
Down
- separates solids from liquids
- doesn’t change the substance when measured
- made up of only one type of atom
- depends on the amount present
- mixture different parts physically combined
- state of matter when the particular roam freely
15 Clues: physical combination • tightly bonded atoms • separates solids from liquids • substance diffused in the air • depends on the amount present • made up of only one type of atom • changes the substance when measured • does not depend on the amount present • combination of 2 or more types of atoms • purifying liquid by heating and cooling • ...
Chemistry Terms 2021-08-30
Across
- tells, if a system is stable, by how much can it increase the gain of the system or the phase lag of the system before it becomes unstable? Any technique that tells whether a system is stable or not could also be used to calculate these two relative stability metrics
- entropy values represents the entropy change of a substance taken from absolute zero to a given temperature.
- the sum of the enthalpy plus the product of the temperature and entropy of the system.
- minimum energy needed for compounds to react in a chemical reaction
- the time-evolution of a system in which it releases free energy and it moves to a lower, more thermodynamically stable energy state
- a measurement of quantities of products and reactants at a particular moment in time.
- a process or reaction that releases energy from the system, usually by heat.
Down
- relates average relative kinetic energy of gas particles with the temperature of the gas (1.380649×10−23 J⋅K−1.)
- the sum of the internal energy and the product of the pressure and volume of a thermodynamic system.
- reaction quotient @ equilibrium
- cycle diagram showing how three, or more reactions are interconvertible. They can be constructed to find unknown energy changes, by adding up the energies of steps from a different route to the same final products.
- a process that when applied can analyze reaction energies (Max Born + Fritz Haber)
- any process with an increase in the enthalpy H of the system. In these, a closed system usually absorbs thermal energy.
- a thermodynamic quantity that represents the unavailability of a system's thermal energy for conversion into mechanical work
- used to predict the actions of an equilibrium system when a condition is changed. Ex. increasing the temperature will shift equilibrium to the right/left
15 Clues: reaction quotient @ equilibrium • minimum energy needed for compounds to react in a chemical reaction • a process or reaction that releases energy from the system, usually by heat. • a process that when applied can analyze reaction energies (Max Born + Fritz Haber) • a measurement of quantities of products and reactants at a particular moment in time. • ...
Chemistry Crossword 2021-12-06
Across
- name for columns on the periodic table
- 2 words; outer most electrons
- two or more of different atom elements
- two or more of the same element atoms
- tells you how many compounds there are
- pure substance of only one type of atom
- subatomic charge with no particle
Down
- negatively charged subatomic particles
- positively charged subatomic particle
- cannot be broken down into anything smaller; makes up everything
- tells you how many of each atom are in a compound
- what results after a chemical reaction
- home for protons and neutrons
- name for the rows on the periodic table
- the two or more substances that are going to be part of a reaction
15 Clues: 2 words; outer most electrons • home for protons and neutrons • subatomic charge with no particle • positively charged subatomic particle • two or more of the same element atoms • negatively charged subatomic particles • name for columns on the periodic table • what results after a chemical reaction • two or more of different atom elements • ...
chemistry project 2021-06-03
Across
- condensation of gas in extremely low density
- point/the temperature at which a substance must be heated before being evaporated
- /the change of state from liquid to gaseous state
- they consist of super energetic and super exited particles
- change of state from solid to gas ( ex camphor)
- intermixing of particles of the same state of matter or different
- makes up matter
- change of state from liquid to solid state on cooling
Down
- movement / the zig-zag movement of a liquid in a solution
- universal solvent
- the change of state from gaseous to liquid state
- change of state from gaseous to slid state
- molecules are loosely packed but have a definite volume
- change of state from solid to liquid
- force / the force of attraction between particles
15 Clues: makes up matter • universal solvent • change of state from solid to liquid • change of state from gaseous to slid state • condensation of gas in extremely low density • change of state from solid to gas ( ex camphor) • the change of state from gaseous to liquid state • /the change of state from liquid to gaseous state • force / the force of attraction between particles • ...
Chemistry Definitions 2022-04-22
Across
- dissolving medium
- the moles of a solute per liters of a solution
- homogenous mixture of 2 or more substances in a single phase
- not forming a homogenous mixture when added together
- substance that does not conduct an electric current
- capable of absorbing or dissolving more of something an unsaturated solution
- substance being dissolved
Down
- the same throughout
- substance that conducts an eletric current
- a property referring to the ability for a given substance, the solute, to dissolve in a solvent
- The amount of a substance dissolved in a certain mass of solvent
- forming homogenous mixture when added together
- unable to absorb or dissolve any more of the solute at a given temp or pressure
- a substance dissolved in a solvent
- incapable of being dissolved
15 Clues: dissolving medium • the same throughout • substance being dissolved • incapable of being dissolved • a substance dissolved in a solvent • substance that conducts an eletric current • the moles of a solute per liters of a solution • forming homogenous mixture when added together • substance that does not conduct an electric current • ...
Chemistry Review 2022-04-22
Across
- proton donor
- reactions that release energy to system
- disorder
- the curve formed in a volumetric flask
- the sum of the system's internal energy and the product of its pressure and volume
- study of energy changes
- the substance you add into the solvent to create a solution
Down
- help to indicate or show a relative concentration of protons in a solution
- reactions that require energy from system to proceed
- to decrease the concentration
- using relationships between reactants and/or products in a chemical reaction to determine desired quantative data
- proton acceptor
- 6.00*10^23 particles of something
- water molecule
- hydrochloric acid
15 Clues: disorder • proton donor • water molecule • proton acceptor • hydrochloric acid • study of energy changes • to decrease the concentration • 6.00*10^23 particles of something • the curve formed in a volumetric flask • reactions that release energy to system • reactions that require energy from system to proceed • the substance you add into the solvent to create a solution • ...
Chemistry Crossword 2018-02-05
Across
- Model / Diagram of the element that shows the nucleus,electrons, and energy levels of each element
- / All substances look the same throughout
- electrons / The electrons found in the outermost area of an atom
- / Has an indefinite shape and volume
- / The measure of the amount of matter
- / Physically combined substance made of 2 or more substances
- / Chemically combined substance made of 2 or more atoms
- / State of matter with increased energy that flows and does not have a shape
Down
- / Chemically combined substance made of 2 or more different atoms
- / Chemically combined pure matter
- / Visibly different substances throughout
- Dot Diagram / Shows the chemical symbol and valence electrons of an element
- / Anything that has mass and volume
- / A substance made of one type of atom
- / Definite shape and volume
15 Clues: / Definite shape and volume • / Chemically combined pure matter • / Anything that has mass and volume • / Has an indefinite shape and volume • / The measure of the amount of matter • / A substance made of one type of atom • / Visibly different substances throughout • / All substances look the same throughout • / Chemically combined substance made of 2 or more atoms • ...
Chemistry crossword 2017-06-07
Across
- A liquid made up of a solvent with a solute dissolved in it
- A substance that stabilises an emulsion
- A mixture of two or more liquids that are normally un-mixable or un-blend able
- How strong a substance is
- A liquid that dissolves another substance or substances
- Dissolves in a liquid
- Does not dissolve
Down
- A type of mixture that always looks cloudy because of its insoluble particles that remain suspended throughout it
- Cloudy liquids that contain insoluble particles
- Is reducing the concentration of a solute in solution
- A combination of two or more substances
- Is the abundance of a constituent divided by the total volume of a mixture
- A pure substance is a substance that cannot separate by physical means
- Dissolves easily in water
- Containing the greatest possible number of hydrogen atoms
15 Clues: Does not dissolve • Dissolves in a liquid • How strong a substance is • Dissolves easily in water • A substance that stabilises an emulsion • A combination of two or more substances • Cloudy liquids that contain insoluble particles • Is reducing the concentration of a solute in solution • A liquid that dissolves another substance or substances • ...
Cell Chemistry 2013-04-15
Across
- dioxide Consists of one carbon and two oxygen atoms,produced by combustion
- The equation that is C6H12O6
- a high energy molecule made up of one adenosine group and three phosphate groups
- To produce carbohydrates by photosynthesis.
- acid The monomer of protein
- One of the biological molecules that starts with a C
- respiration Allows organisms to release energy stored in chemical bonds of glucose. Both plants and animals perform this.
Down
- diffusion A carrier protein moves molecules across cell membrane down concentration gradient.
- transport The movement of substances across the cell membrane without the use of energy
- To synthesis that happens in the chloroplast of a plant cell, light energy is needed
- Water diffuses from regions of higher water concentration to regions of lower water concentration.
- The polymer of amino acids
- reaction A change of a substance into a new one that has a different chemical identity.
- A process where molecules move from greater molecular concentrations to areas of less molecular concentration; they do this until there is an equal distribution of molecules to all areas.
- transport The movement of molecules opposite the concentration gradient of a substance and requires ENERGY
15 Clues: The polymer of amino acids • acid The monomer of protein • The equation that is C6H12O6 • To produce carbohydrates by photosynthesis. • One of the biological molecules that starts with a C • dioxide Consists of one carbon and two oxygen atoms,produced by combustion • a high energy molecule made up of one adenosine group and three phosphate groups • ...
Carbon Chemistry 2013-11-10
Across
- liquid or liquefiable at room temperatures
- oil from the fruit of certain palms
- Food and Drug Administration: a federal agency responsible for monitoring trading and safety standards in the food
- charge with or cause to combine with hydrogen
- a substance that is found in the bodies of people and animals
- a natural oily or greasy substance occurring in animal bodies
- compounds that are not organic
Down
- having carbon–carbon double or triple bonds and therefore not containing the greatest possible number of hydrogen atoms
- any of the series of saturated hydrocarbons
- compounds containing carbon
- a compound of hydrogen and carbon,
- unsaturated hydrocarbons containing a triple bond
- series of unsaturated hydrocarbons containing a double bond
- containing the greatest possible number of hydrogen atoms
- oil produced from peanuts and used mainly for culinary purposes
15 Clues: compounds containing carbon • compounds that are not organic • a compound of hydrogen and carbon, • oil from the fruit of certain palms • liquid or liquefiable at room temperatures • any of the series of saturated hydrocarbons • charge with or cause to combine with hydrogen • unsaturated hydrocarbons containing a triple bond • ...
Chemistry 30 2015-04-01
Across
- Two reactions happening at the same time
- A solution where the solvent is water
- Is a fire place an Equilibrium?
- One of the factors that effects solubility the most
- The substance being dissolved
- Speeds up reactions
- Gases are most random
- Side where heat is added
- Reaching maximum capacity
- How much solute can be dissolved into a solvent
Down
- Still being able to dissolve more into a substance
- A universal solvent
- Substance which something is dissolved in
- Amount of substance per defined space
- Made thinner or weaker by adding water
15 Clues: A universal solvent • Speeds up reactions • Gases are most random • Side where heat is added • Reaching maximum capacity • The substance being dissolved • Is a fire place an Equilibrium? • A solution where the solvent is water • Amount of substance per defined space • Made thinner or weaker by adding water • Two reactions happening at the same time • ...
Chemistry Crossword 2015-10-08
Across
- what is Cu?
- is White Vinegar an acid?
- what is MgO?
- is Carbon Dioxide an liquid,solid or gas?
- is Sodium Carbonate an acid?
- is water an liquid,solid or gas?
- what is Zn?
Down
- what is Ne?
- is Nitrogen a Compound or a Element?
- is CO2 a Compound or a Element?
- what is titanium?
- what is Carbon?
- what is Na?
- is blutac an liquid,solid or gas?
- what is Fe?
15 Clues: what is Ne? • what is Cu? • what is Na? • what is Fe? • what is Zn? • what is MgO? • what is Carbon? • what is titanium? • is White Vinegar an acid? • is Sodium Carbonate an acid? • is CO2 a Compound or a Element? • is water an liquid,solid or gas? • is blutac an liquid,solid or gas? • is Nitrogen a Compound or a Element? • is Carbon Dioxide an liquid,solid or gas?
Chemistry Crossword 2015-08-19
Across
- used to hold a beaker or flask
- used to evaporate off liquids from a mixture
- used to hold test tubes
- used to hold a barrette ring or iron ring
- used to heat up mixtures during an experiment
- used to cover the top of a beaker
- used for mixing chemicals
- used to carry out experiments
Down
- used to close the end of a test tube
- measures out specific volumes of liquids
- used for dispensing very specific amounts of liquids
- used to hold a crucible on an iron ring to be heated by burner
- used to help poor liquids into a narrow tube
- use on a ring stand to hold a buret clamp
- clean or add water during an experiment
15 Clues: used to hold test tubes • used for mixing chemicals • used to carry out experiments • used to hold a beaker or flask • used to cover the top of a beaker • used to close the end of a test tube • clean or add water during an experiment • measures out specific volumes of liquids • used to hold a barrette ring or iron ring • use on a ring stand to hold a buret clamp • ...
CHEMISTRY I 2023-10-22
Across
- PIECE OF MATTER IN PURE FORM
- THE ATOM WHICH______ THE SHARED PAIR OF ELECTRON
- IS MADE UP OF SMALLEST PARTICLES KNOWN AS ATOM
- ABILITY OF AN ATOM TO ATTRACT SHARED PAIR OF ELECTRONS.
- DISCOVERED CHLORINE
Down
- SAME ATOMIC NUMBER BUT DIFFERENT MASS NUMBER.
- LONGEST PERIOD
- WEEK FORCES BETWEEN BONDING THE MOLECULES
- GROUP VII-A BELONGS TO _____ FAMILY.
- MUTUAL SHARING OF ELECTRONS BETWEEN TWO ATOMS
- NaCl IS AN EXAMPLE OF _____ BOND.
- WHAT RUTHERFORD DID NOT EXPLAIN ABOUT ATOM?
- f-BLOCK ELEMENTS ARE _____ TRANSITION ELEMENTS.
- NITROGEN GAS CONSIST ______COVALENT TYPE.
- TOTAL SUM OF PROTON AND NEUTRON
15 Clues: LONGEST PERIOD • DISCOVERED CHLORINE • PIECE OF MATTER IN PURE FORM • TOTAL SUM OF PROTON AND NEUTRON • NaCl IS AN EXAMPLE OF _____ BOND. • GROUP VII-A BELONGS TO _____ FAMILY. • WEEK FORCES BETWEEN BONDING THE MOLECULES • NITROGEN GAS CONSIST ______COVALENT TYPE. • WHAT RUTHERFORD DID NOT EXPLAIN ABOUT ATOM? • SAME ATOMIC NUMBER BUT DIFFERENT MASS NUMBER. • ...
Chemistry Revision 2024-03-27
Across
- negatively charged ion
- Protons and neutrons added together
- an atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons
- group 1 on the periodic table
- positively charged subatomic particle
Down
- positively charged ion
- electrons in the outer shell
- Negatively charged subatomic particle
- group 18 on the periodic table
- group 2 on the periodic table
- columns on the periodic table
- group 17 on the periodic table
- elements that lose electrons easily, are lustrous, malleable, and are good conductors of heat and electricity
- a chemical bond that involves the sharing of electrons to form electron pairs between atoms
- rows on the periodic table
15 Clues: positively charged ion • negatively charged ion • rows on the periodic table • electrons in the outer shell • group 2 on the periodic table • columns on the periodic table • group 1 on the periodic table • group 18 on the periodic table • group 17 on the periodic table • Protons and neutrons added together • Negatively charged subatomic particle • ...
Chemistry Crossword 2024-05-06
Across
- Type of bond formed between a hydrogen atom and an electronegative atom.
- A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
- A force that holds atoms together in a molecule or compound.
- Substances that are not attracted to water.
- Type of bonding where electrons are shared between atoms.
- Type of covalent bond where electrons are shared equally.
- Type of bonding where electrons are delocalized and free to move throughout the structure.
- The stable electron configuration achieved when an atom has 8 electrons in its outer shell.
Down
- A molecule that has two poles, with one end having a partial positive charge and the other having a partial negative charge.
- The tendency of an atom to attract electrons towards itself in a chemical bond.
- Scientist known for the concept of electron dot diagrams in chemical bonding.
- Type of bonding where electrons are transferred from one atom to another.
- Type of covalent bond where electrons are shared unequally.
- Substances that are attracted to water.
- The outermost shell of electrons in an atom.
15 Clues: Substances that are attracted to water. • Substances that are not attracted to water. • The outermost shell of electrons in an atom. • Type of bonding where electrons are shared between atoms. • Type of covalent bond where electrons are shared equally. • Type of covalent bond where electrons are shared unequally. • ...
Chemistry Crossword 2023-04-12
Across
- Table of all of the elements
- the vertical rows in the periodic table
- the arrow between the reactants and the products in a chemical equation
- Negatively charged ion
- A catalyst is a substance that lowers the activation energy of a reaction
- any atom or group of atoms that bears one or more positive or negative electrical charges
- The amount of matter in a substance
Down
- A compound yielding two elements
- A family is a group of elements sharing similar properties
- the horizontal rows in the periodic table
- An energy level is a possible value of energy that an electron can have in an atom
- elements on the left side of the arrow
- elements on the right side of the arrow
- positively charged ion
- Two elements yielding one compound
15 Clues: Negatively charged ion • positively charged ion • Table of all of the elements • A compound yielding two elements • Two elements yielding one compound • The amount of matter in a substance • elements on the left side of the arrow • the vertical rows in the periodic table • elements on the right side of the arrow • the horizontal rows in the periodic table • ...
