chemistry Crossword Puzzles
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. • ...
school subjects 2019-10-28
School Subjects 2023-06-21
Across
- Science The study of non-living matter and energy, such as physics and chemistry.
- The study of numbers, shapes, and patterns.
- Studies The study of society, culture, and human behavior.
- The study and enjoyment of sounds, melodies, and instruments.
- The creative expression through drawing, painting, and other visual forms.
- The study of Earth's physical features, climate, and maps.
- The study of living organisms, including plants, animals, and humans.
- The study of past events, people, and civilizations.
Down
- Science The study of computers, programming, and technology.
- The study of the natural world, including plants, animals, and experiments.
- The study and appreciation of written works such as stories, poems, and novels.
- Education Activities and exercises to promote physical fitness and health.
- The study of substances, their properties, and reactions.
- Language The study of a language other than one's native language.
- The study of matter, energy, and the laws that govern them.
15 Clues: The study of numbers, shapes, and patterns. • The study of past events, people, and civilizations. • The study of substances, their properties, and reactions. • Studies The study of society, culture, and human behavior. • The study of Earth's physical features, climate, and maps. • The study of matter, energy, and the laws that govern them. • ...
Vocabulary Puzzle Adrianna.w 2026-05-12
Across
- group A specific group of atoms that gives a compound its chemical properties.
- An organic compound containing a carbonyl group (C=O) bonded to two carbon atoms.
- A compound containing a carbonyl group attached to a nitrogen atom.
- The simplest class of hydrocarbons containing only single bonds between carbon atoms.
- An organic compound containing a hydroxyl group (–OH).
- A compound with an oxygen atom connected to two carbon groups.
- Compounds with the same chemical formula but different structures.
Down
- A compound made only of carbon and hydrogen atoms.
- A ring-shaped hydrocarbon with six carbon atoms and alternating double bonds.
- acid A long-chain organic acid found in fats and oils.
- chemistry The branch of chemistry that studies carbon-containing compounds.
- compound A chemical compound that contains carbon atoms, usually bonded with hydrogen.
- group A hydrocarbon branch attached to another hydrocarbon chain.
- A hydrocarbon that contains at least one double bond between two carbon atoms.
- An organic compound containing nitrogen bonded to hydrogen or carbon atoms.
15 Clues: A compound made only of carbon and hydrogen atoms. • An organic compound containing a hydroxyl group (–OH). • acid A long-chain organic acid found in fats and oils. • A compound with an oxygen atom connected to two carbon groups. • group A hydrocarbon branch attached to another hydrocarbon chain. • ...
Ocean Chemistry - Crossword Puzzle Assignment 2020-11-05
Across
- the branch of chemistry that deals with inorganic compounds.
- the ongoing decrease in the pH of the Earth's oceans, caused by the uptake of carbon dioxide from the atmosphere.
- the temperature at or near a surface.
- the study of the structure, properties, composition, reactions, and preparation of carbon-containing compound.
- the branch of science that explores the chemical processes within and related to living organisms.
- a substance composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid, and solid states.
- chemical element of atomic number 7, a colorless, odorless unreactive gas that forms about 78 percent of the earth's atmosphere.
- simply enough, gas that has been dissolved into another material.
Down
- colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis.
- the quantity of three-dimensional space enclosed by a closed surface.
- a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure, that occurs naturally in pure form.
- both a property of a physical body and a measure of its resistance to acceleration when a net force is applied.
- steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures.
- the closing down or dismissal of an assembly, partnership, or official body.
- colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
- the process of eroding or being eroded by wind, water, or other natural agents.
- ionic compound which, when dissolved in water, break up completely into ions.
- the saltiness or amount of salt dissolved in a body of water, called saline water .
- degree of compactness of a substance.
19 Clues: the temperature at or near a surface. • degree of compactness of a substance. • the branch of chemistry that deals with inorganic compounds. • simply enough, gas that has been dissolved into another material. • the quantity of three-dimensional space enclosed by a closed surface. • the closing down or dismissal of an assembly, partnership, or official body. • ...
Chemistry Crossword 2021-06-16
Across
- Referred to as the 'King of Elements'
- It is used to treat swimming pool water
- Discovered by Henry Cavendish
- Electronic configuration [He]2s1
- Used in pharmaceuticals and saline drips.
- Used in the kitchen
- Atomic number is twelve
- Atomic number of Neon
Down
- Humans breathe on this gas
- Sodium is derived from the word?
- Atomic number is twenty
- Used in gears and cogs particularly in the aviation industry.
- The name is derived from the Latin 'fluere', meaning to flow
- Makes up 78% of the air
- Used to fill decorative balloons, weather balloons and airships.
15 Clues: Used in the kitchen • Atomic number of Neon • Atomic number is twenty • Makes up 78% of the air • Atomic number is twelve • Humans breathe on this gas • Discovered by Henry Cavendish • Sodium is derived from the word? • Electronic configuration [He]2s1 • Referred to as the 'King of Elements' • It is used to treat swimming pool water • Used in pharmaceuticals and saline drips. • ...
Chemistry Quiz 2022-08-12
Across
- digunakan untuk styrofoam.
- penyimpan instruksi-instruksi genetika pada setiap organisme.
- sengaja dibuat.
- rangkaian atom panjang yang berulang.
- pelapis lantai.
- terdiri dari rantai linier dari beberapa ratus hingga lebih dari sepuluh ribu ikatan β unit D-glukosa.
- sifatnya ringan, transparan dan kuat
- contoh dari kopolimer.
- digunakan untuk botol plastik.
Down
- yang terdiri dari rantai-rantai yang saling tumpang tindih dengan adanya ikatan silang (cross-link).
- contoh elastomer.
- contoh termoset.
- hanya tersusun dari satu jenis monomer
- contoh amilum.
- banyak terdapat pada rambut.
15 Clues: contoh amilum. • sengaja dibuat. • pelapis lantai. • contoh termoset. • contoh elastomer. • contoh dari kopolimer. • digunakan untuk styrofoam. • banyak terdapat pada rambut. • digunakan untuk botol plastik. • sifatnya ringan, transparan dan kuat • rangkaian atom panjang yang berulang. • hanya tersusun dari satu jenis monomer • ...
Organic Chemistry 2022-10-28
Across
- Organelle which creates glucose
- Term used to describe large organic molecules like starch, proteins, Lipids or DNA
- organelle which uses glucose for energy
- Saccharides, sugars and starches are in this category of Organic Molecules
- The most common simple sugar; C6H12O6; mono-saccharide
- Shape specific protein which acts as a catalyst for synthesis or digestion
- Molecules which contain Hydrogen and Carbon together
Down
- Term used to describe a building block of a larger molecule
- Fats, oils and waxes are in this category of organic molecules
- The number of amino acids in our world
- Polysaccharide in bread, potatoes, rice and pasta
- Amino Acids are the building blocks of this large organic molecule
- organelle composed mostly of lipids
- Genetic material is in this category of organic molecules
- organelle that synthesizes proteins
15 Clues: Organelle which creates glucose • organelle composed mostly of lipids • organelle that synthesizes proteins • The number of amino acids in our world • organelle which uses glucose for energy • Polysaccharide in bread, potatoes, rice and pasta • Molecules which contain Hydrogen and Carbon together • The most common simple sugar; C6H12O6; mono-saccharide • ...
fun chemistry 2022-07-24
Across
- state change from solid to gas
- group 1 element
- reaction between an acid and a base
- reactions that give out heat energy
- a substance that increases rate of reaction
- spreading of particles from higher to lower concentration
- corrosion of iron
Down
- water soluble base
- particles present in the nucleus
- a separating technique
- an alloy
- breaking up of rocks into smaller pieces
- color of litmus in acidic solutions
- a halogen
- a property of metal
15 Clues: an alloy • a halogen • group 1 element • corrosion of iron • water soluble base • a property of metal • a separating technique • state change from solid to gas • particles present in the nucleus • reaction between an acid and a base • reactions that give out heat energy • color of litmus in acidic solutions • breaking up of rocks into smaller pieces • ...
Chemistry Crossword 2022-06-08
Across
- The basic unit of matter.
- organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic number.
- the substance that is used to dissolve
- the substance that dissolves
- A chemical combination of two or more atoms joined together by chemical bonds.
- is a mixture in which the composition is uniform throughout the mixture.
- is a mixture where throughout the solution the composition is not uniform.
- is made when two or more substances are combined, but they are not combined chemically.
- members of a family of an element that all have the same number of protons but different numbers of neutrons.
Down
- A characteristic of a substance that can be measured.
- Everything that takes up space.
- is used to separate DNA, RNA or protein molecules based on their size and electrical charge
- any atom or group of atoms that bears one or more positive or negative electrical charges.
- is a substance that cannot be broken down into simpler components by any non-nuclear chemical reaction.
- A state of matter with no fixed shape and no fixed volume
15 Clues: The basic unit of matter. • the substance that dissolves • Everything that takes up space. • the substance that is used to dissolve • A characteristic of a substance that can be measured. • A state of matter with no fixed shape and no fixed volume • is a mixture in which the composition is uniform throughout the mixture. • ...
Kitchen Chemistry! 2022-06-16
Across
- An acid that is commonly used in households to preserve vegetables and fruit
- Molecules that give things colour
- A non-Newtonian fluid made of corn starch and water. When done right, it acts as a solid as well as a liquid!
- The process by which liquid milk converts into a solid curd or cheese
- A single-celled organism that converts sugar and starch in foods to create carbon dioxide and ethanol. It's what makes foods ferment!
- The process of adding carbon dioxide gas to a beverage, which adds a sparkle and a tangy taste, also preventing the drink from spoiling.
Down
- A kind of sugar that is made from a grain (usually barley), that has a caramel like flavour
- A primitive organism that is often mistaken for a plant! It imparts such good flavour, it is often used to make soups and broths
- A fun snack that is created when the kernels of a plant are heated up, causing the water inside to build pressure against the hard starchy surface, making it explode!
- (Verb) When an oil and a water-based liquid combine to create a thick sauce-like mixture, such as mayonnaise
- A translucent, flavorless ingredient derived from animal tissue, that contains a helpful protein that maintains elasticity of our skin
- A naturally occurring protein found in grains such as wheat, barley, rye, etc. It acts like a binder, holding food together, in a stretchy way
- (Verb) When one ingredient combines with another to make a solution
- The name of a root, but also the name of a soft, spongy confection
- A reaction that usually occurs when food is exposed to heat. It turns food brown and helps develop flavour
15 Clues: Molecules that give things colour • The name of a root, but also the name of a soft, spongy confection • (Verb) When one ingredient combines with another to make a solution • The process by which liquid milk converts into a solid curd or cheese • An acid that is commonly used in households to preserve vegetables and fruit • ...
chemistry Ch3 2022-10-06
Across
- standard metric system of dimensions used by scientists worldwide
- one of 22 accepted combinations of SI units
- a ratio of two equivalent measures; the fraction's value is equal to one
- a comparison of the measurement error with the size of the measurement itself; a quantity of the uncertainty of a measurement; indication of how accurate measurement is
- to accurately subdivide into scaled measurement units
- a quantity used to measure one of the 7 basic dimensions of the universe: space, matter, and time; based on a physical constant
- information collected by recording observations (detailed description or measurement)
Down
- comparing an unknown quantity to a known standard unit
- any measurable property of an object or a system
- a word label that defines one part of a measured dimension
- includes all the known certain digits of the measurement plus one additional estimated digit; an indication of a measurement's precision
- a collection of related dimensional units
- an evaluation of how exact and reproducible a measurement is; also the exactness of the measuring device
- an evaluation of how close the measured value is to the actual or accepted value; also applied to the measuring device
- any artificial device made for the purpose of refining, extending, or substituting for the human sense when measuring
15 Clues: a collection of related dimensional units • one of 22 accepted combinations of SI units • any measurable property of an object or a system • to accurately subdivide into scaled measurement units • comparing an unknown quantity to a known standard unit • a word label that defines one part of a measured dimension • ...
Chemistry Crossword 2017-03-04
Across
- The ability to form instantaneous dipoles. Determine the dynamical response of a bond system to external fields,and provide insight into a molecule's internal structure.
- The weakest intermolecular force. Sometimes called an induced dipole-induced dipole attraction.
- This exists once a reversible reaction ceases to change its ratio of reactants or products, but substances move between the chemicals at an equal rate.
- Any force that holds together the atoms making up a molecule or compound.
- From the Latin word "cohaerere" meaning "stick or stay together." The action or property of like molecules sticking together, being mutually attractive.
- The temperature and pressure at which solid, liquid, and vapor phases of a particular substance coexist in equilibrium.
- The electrostatic attraction between two polar groups that occurs when a hydrogen atom covalently bond to a highly electronegative atom such as nitrogen, oxygen or fluorine.
Down
- Named after the Dutch scientist. Residual attractive or repulsive forces between molecules or atomic groups that do not arise from covalent bonds, nor ionic bonds.
- Forces which mediate interaction between molecules.
- The temperature at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied.
- Shows how the temperature changes as a substance is heated up at a constant rate.
- The process of chilling a liquid below its freezing point,without it becoming solid.
- Another type of bulk property defined as a liquid's resistance to flow.
- The tendency of dissimilar particles or surfaces to cling to one another.
- The most basic and least volume consuming repeating structure of any solid. When it repeats itself, the network is called lattice.
15 Clues: Forces which mediate interaction between molecules. • Another type of bulk property defined as a liquid's resistance to flow. • The tendency of dissimilar particles or surfaces to cling to one another. • Any force that holds together the atoms making up a molecule or compound. • Shows how the temperature changes as a substance is heated up at a constant rate. • ...
Medicinal Chemistry 2018-12-20
Across
- Drug used to treat swine flu
- What is the drug acetaminophen well-known as?
- Original method for synthesis of paracetamol
- What does x stand for in x-rays?
- Surname of person who discovered penicillin
- Surname of co-discoverer of insulin alongside Charles H. Best
- Chemical that William T. G. Morton used as an anaesthetic during surgery in 1846
- Vaccine discovery made by Maurice Hilleman
Down
- Enzyme used to unzip DNA
- Platinum anticancer agent discovered accidentally by Rosenburg
- First name of person who discovered MRI in 1973
- Gold(I) anticancer complex, also used to treat arthritis
- Well known anti-sickness drug that caused birth deformities
- Type of resolution used to separate enantiomers in a racemic mixture
- First name of person who discovered small pox vaccine
15 Clues: Enzyme used to unzip DNA • Drug used to treat swine flu • What does x stand for in x-rays? • Vaccine discovery made by Maurice Hilleman • Surname of person who discovered penicillin • Original method for synthesis of paracetamol • What is the drug acetaminophen well-known as? • First name of person who discovered MRI in 1973 • ...
Chemistry crossword 2019-02-02
Across
- the substance which accepts electron pair
- shared electron pair(s)
- the halfcell in which oxidation happens
- the type of solid of sand
- the net movement of water molecules through a semipermeable membrane
- loss of electron(s)
Down
- the shape of phosphine (PH3)molecule
- the pressure above a liquid when the liquid is at equlibrium with its gas phase
- the energy state of the atom when all the electrons occupy the possible lowest energy level atomic orbitals
- the substance which increases the conductivity of water when it is dissolved in water
- the solid phase turns to gas phase
- chemical reaction with water
- the heat of dissolution of any gases
- the strongest intermolecular force
- the solution has the same osmolal concentration as the other one
15 Clues: loss of electron(s) • shared electron pair(s) • the type of solid of sand • chemical reaction with water • the solid phase turns to gas phase • the strongest intermolecular force • the shape of phosphine (PH3)molecule • the heat of dissolution of any gases • the halfcell in which oxidation happens • the substance which accepts electron pair • ...
Chemistry Crossword 2020-10-07
Across
- the electrons are arranged in an electron __
- __ number = number of protons in an atom
- forms when an atom loses or gains electrons
- __ number = no. of protons + no. of neutrons
- has a relative charge of +1 in an atom
- sodium is an example of a __
- has a relative charge of 0 in an atom
- __ ions are formed when atoms gain electrons
- __ ions are formed when atoms lose electrons
Down
- has a relative charge of -1 in an atom
- ionic bonds are formed from the __ of electrons
- chlorine is an example of a __
- smallest particle of an element
- elements in group viii are called __ gases
- metals and non-metals can form __ bonds
15 Clues: sodium is an example of a __ • chlorine is an example of a __ • smallest particle of an element • has a relative charge of 0 in an atom • has a relative charge of -1 in an atom • has a relative charge of +1 in an atom • metals and non-metals can form __ bonds • __ number = number of protons in an atom • elements in group viii are called __ gases • ...
Chemistry Assignment 2020-09-03
Across
- Name the indicator which turns red when added to base(8)
- pH of concentrated HCl is(4)
- Acid released by bees in a bee sting; other name of formic acid(13)
- What colour would hydrochloric acid (ph 1) turn universal indicator into(9)
- What is called Indian saltpeter(13)
- Strongest oxidizing agent(8)
- Catalytic converters are generally made of(16)
- What is used in medicines for treating indigestion(7)
Down
- Copper loses lusture due to the formation of(15)
- What is the most common isotope of hydrogen(7)
- No. of water molecules in GYPSUM as water of crystallisation is(3)
- Most commonly used bleaching agent is(8)
- Stearic acid is present in(4)
- Malic acid is present(6)
- Acid having pH value of 4(10)
15 Clues: Malic acid is present(6) • pH of concentrated HCl is(4) • Strongest oxidizing agent(8) • Stearic acid is present in(4) • Acid having pH value of 4(10) • What is called Indian saltpeter(13) • Most commonly used bleaching agent is(8) • What is the most common isotope of hydrogen(7) • Catalytic converters are generally made of(16) • ...
Chemistry Crossword 2020-10-13
Across
- A group of atoms bonded together that make up the smallest unit in a chemical compound.
- The graph that states every element and their properties
- A variant of a certain element, caused by a change in the number of neutrons
- Particles without a charge
- Any substance that has mass and takes up space
- Any group of atoms that form either a positive or negative net charge
- The basic unit of all matter
- A substance made up of atoms from two or more elements
Down
- Any electron that is located in the outer shell of the atom
- Credited with the creation of the periodic table
- A pure substance that cannot be chemically broken down
- Formed when two atoms share one or more pairs of electrons
- A negatively charged particle with little mass and high amounts of energy
- The center of an atom that holds most of it's mass
- A particle located in the nucleus with a positive charge
15 Clues: Particles without a charge • The basic unit of all matter • Any substance that has mass and takes up space • Credited with the creation of the periodic table • The center of an atom that holds most of it's mass • A pure substance that cannot be chemically broken down • A substance made up of atoms from two or more elements • ...
Chemistry Crossword 2020-11-27
Across
- Steel is _________. It can transfer electricity or heat to another thing.
- A computer is ______. It has mass and takes up space
- change, Breaking glass is a ____ ____. The broken glass changed its shape.
- point, Silver has a _____ _____ of 961.8°C. It turns from a solid to a liquid.
- Wood has less ____ than water. Wood floats because it has openings and weight and volume.
- A carton of milk's ______ is one litre. The carton takes up one litre and can be measured.
- Brass is a ______. Brass is a combination of copper and zinc.
- Copper is _______. It can be used for a lot of things like wires and can be thin.
Down
- Gasoline is _______. It could start fires when it reacts with oxygen and energy. It can burn down forests.
- Iron is affected by __________. It starts to rust when a reaction with oxygen and water occurs.
- molecular theory, an example of ___ ____ ______ is when water turns into ice. The particles slow down and freeze. Or when wood catches on fire the particles speed up.
- A phone ___ is 0.141 kg. it won't change even if it was in space.
- change, Making a fire is a ____ ______. Fire is combined with wood and air to make fire. and change its particles.
- point, Cobalt's _____ _____ is 2870°C. It turns from a liquid to a gas at a specific temperature.
- Silver is more _______ when is heated up. When silver is hot you could change its shape and size.
- Properties, A banana is affected by _____ ________. When the banana starts to mould. The chemicals start to change too.
16 Clues: A computer is ______. It has mass and takes up space • Brass is a ______. Brass is a combination of copper and zinc. • A phone ___ is 0.141 kg. it won't change even if it was in space. • Steel is _________. It can transfer electricity or heat to another thing. • change, Breaking glass is a ____ ____. The broken glass changed its shape. • ...
Chemistry vocab 2021-09-20
Across
- the smallest building block of matter
- name of the columns in the periodic table
- two or more elements evenly combined forming a new substance
- The center of an atom
- When a substance combines with another to create a new substance
- A quality that can be established by changing a substance´s chemical identity
- A subatomic particle found in the orbital field of an atom and has a negative charge
- Anything that takes up space and has mass
Down
- name of the rows in the periodic table
- particles smaller than an atom, they come together to form a stable atom
- a subatomic particle found within an atom, has a positive charge
- How much space an object takes up
- A subatomic particle found in the nucleus of an atom and has no charge
- The amount of matter in an object
- A pure substance that cannot be broken down, 118 found on the periodic table
15 Clues: The center of an atom • How much space an object takes up • The amount of matter in an object • the smallest building block of matter • name of the rows in the periodic table • name of the columns in the periodic table • Anything that takes up space and has mass • two or more elements evenly combined forming a new substance • ...
Chemistry 9 2021-09-16
Across
- when paper is shredded it goes through a ________ change
- A smoothie is a _______ of foods
- Hydrogen is the first _______ on the periodic table
- When olive oil starts bubbling and spitting it has hit its _______ point
- A well blended, seedless smoothie is a ___________ mixture
- The melting point is when aluminum changes from _____ to liquid
Down
- Most jewelry is made out of silver due to its ____________
- when steel comes in contact with an acidic substance and rusts its called corrosion
- The amount of milk in a cup is called the _______
- Magnesium and Ammonia are both considered a ____ Substance
- When liquid water turns into ice, it's called a change of _____
- when a banana ripens it gos through a ________
- propane gas is used in barbecues because of its flammability
- A fruit salad is a _____________ mixture
- the ability of copper to _______ electricity
15 Clues: A smoothie is a _______ of foods • A fruit salad is a _____________ mixture • the ability of copper to _______ electricity • when a banana ripens it gos through a ________ • The amount of milk in a cup is called the _______ • Hydrogen is the first _______ on the periodic table • when paper is shredded it goes through a ________ change • ...
Chemistry Crossword 2021-09-15
Across
- Only nonmetal elements
- Phase changes from solid to liquid
- they pull or push on objects without touching them
- Allows current to pass through
- Ability to reformed without fracture
- compound Only metal elements
Down
- Phase changes from liquid to gas
- Ability to be shaped into sheets
- a lasting attraction between atoms, ions or molecules
- Metal + nonmetal elements
- Charge of a particle:Size
- Like dissolves like
- electrostatic force between conduction electrons and positively charged metal ions.
- Any type of compound
- Formed when metals dissolve in other metals
15 Clues: Like dissolves like • Any type of compound • Only nonmetal elements • Metal + nonmetal elements • Charge of a particle:Size • compound Only metal elements • Allows current to pass through • Phase changes from liquid to gas • Ability to be shaped into sheets • Phase changes from solid to liquid • Ability to reformed without fracture • Formed when metals dissolve in other metals • ...
Organic Chemistry 2021-11-17
Across
- A hydrocarbon with the OH functional group
- Using multiple short chain hydrocarbons to make a longer chain one.
- Splitting a large hydrocarbon into several smaller ones.
- A type of polymerisation where water is produced as a byproduct.
- Large organic polymer that encodes genetic instructions for development and functioning of an organism.
- A very large molecule made by joining smaller molecules end to end.
Down
- A type of polymerisation where monomers join end to end, with no byproduct. (100% atom economy)
- When yeast acts as an enzyme breaking down sugars to form alcohol.
- A hydrocarbon with a COO functional group in the middle of a chain.
- A hydrocarbon with a Carbon-Carbon double bond.
- A saturated hydrocarbon with only Hydrogen and Carbon.
- The basic repeating monomer found in DNA.
- A hydrocarbon with the COOH functional group at the end of the chain
- a group of compounds that react similarly because they share a functional group in common.
- A small reactive molecule that can react to form part of a chain.
15 Clues: The basic repeating monomer found in DNA. • A hydrocarbon with the OH functional group • A hydrocarbon with a Carbon-Carbon double bond. • A saturated hydrocarbon with only Hydrogen and Carbon. • Splitting a large hydrocarbon into several smaller ones. • A type of polymerisation where water is produced as a byproduct. • ...
CHEMISTRY ELEMENTS 2023-01-19
Across
- this is the most expensive element
- the only unreactive elements
- this is the gas we breathe out
- this is a halogen used in swimming pools
- this is made by reacting calcium and fluorine
- the gas required for burning
- this is the most reactive metal
- this is the most common solvent
- burns with a bright white light
Down
- this gas burns with a pop
- the lead in the pencil
- this is the chemical name for salt
- strong and light and is used to make aircraft
- the name of group one on the periodic table
- this metal rusts
15 Clues: this metal rusts • the lead in the pencil • this gas burns with a pop • the only unreactive elements • the gas required for burning • this is the gas we breathe out • this is the most reactive metal • this is the most common solvent • burns with a bright white light • this is the most expensive element • this is the chemical name for salt • this is a halogen used in swimming pools • ...
Chemistry Terms 2023-02-15
Across
- the simplest structural unit of an element or compound
- when water dissolves a compound
- a substance with a high vapor pressure
- the liquid that dissolves the solid in a solution
- when the maximum amount of solute is dissolved in a liquid
Down
- the smallest component of an element
- a solvent is added to a solution making it less concentrated
- a row of the periodic table
- an idea evoked by some experience
- an ionic compound
- a protein that acts as a catalyst in a biochemical reaction
- the solid that gets dissolved in a solution
- a unit of concentration
- the amount of matter in a substance
- a unit of measurement
15 Clues: an ionic compound • a unit of measurement • a unit of concentration • a row of the periodic table • when water dissolves a compound • an idea evoked by some experience • the amount of matter in a substance • the smallest component of an element • a substance with a high vapor pressure • the solid that gets dissolved in a solution • ...
Organic Chemistry 2023-05-01
Across
- ketone monosaccharide
- monosaccharide with 3 carbons
- aldehyde monosaccharide
- functional group with the carbonyl carbon bonded to two alkyl groups
- called sugars and starches
Down
- the functional group of a carboxylic acid is called the ____ group
- cyclic ester
- Saponification is ester hydrolysis using aqueous ____
- monosaccharide with 4 carbons
- ______ group: carbon double bonded to an oxygen
- the name of a two carbon aldehyde
- cyclic amide
- the reduction of an aldehyde yields a primary _______
- carbonyl compounds that contain an alkoxy group bonded to the carbonyl carbon
- functional group with the carbonyl carbon bonded to at least one hydrogen
15 Clues: cyclic ester • cyclic amide • ketone monosaccharide • aldehyde monosaccharide • called sugars and starches • monosaccharide with 4 carbons • monosaccharide with 3 carbons • the name of a two carbon aldehyde • ______ group: carbon double bonded to an oxygen • Saponification is ester hydrolysis using aqueous ____ • the reduction of an aldehyde yields a primary _______ • ...
chemistry IGSCE 2023-05-14
Across
- Shows all the bonds as individual lines
- reaction between propane and bromine gas (type of reaction)
- large molecule formed when monomers add on
- observation when metal reacts with acid
- change of state from liquid to solid
- least reactive Alkali metal
- remains chemically unchanged at the end of the experiment
Down
- bonding present in but-1-ene
- used to separate a solvent from a mixture
- Contains only Carbon-Carbon single bonds
- reaction which can go both ways
- colour of silver bromide precipitate
- colour of solid iodine
- vertical columns in the periodic table
- heat given out to the surroundings
15 Clues: colour of solid iodine • least reactive Alkali metal • bonding present in but-1-ene • reaction which can go both ways • heat given out to the surroundings • colour of silver bromide precipitate • change of state from liquid to solid • vertical columns in the periodic table • Shows all the bonds as individual lines • observation when metal reacts with acid • ...
chemistry crosswaord 2012-12-02
Across
- a naturally occurring substance that is solid and stable at room temperature
- element that has the chemical symbol 'Fe'
- method of extraction using an electrical current
- furnace a type of metallurgical furnace used for smelting to produce industrial metals
- gold, silver and ______ are very unreactive
- the loss of oxygen
- rocks containing compunds
Down
- gold silver and platinum all have low _______ levels
- combination of two or more elements
- fourth most abundant element in the universe
- the gain of oxygen
- used in the making of planes to make them light
- elemnt with the chemical symbol 'K'
- chemical that is made up of one type of atom
- used in most wedding rings
15 Clues: the gain of oxygen • the loss of oxygen • rocks containing compunds • used in most wedding rings • combination of two or more elements • elemnt with the chemical symbol 'K' • element that has the chemical symbol 'Fe' • gold, silver and ______ are very unreactive • fourth most abundant element in the universe • chemical that is made up of one type of atom • ...
Chemistry Terms 2013-03-03
Across
- A mixture of molecules in a disorganized fashion.
- Descriptive properties that do not use numbers.
- A mixture of molecules in a uniform arrangement.
- A solid formed when two liquids are mixed and a chemical change occurs.
- Only have one type of atom bonded together.
- An arrangement of molecules that are close together with little motion.
- An arrangement of molecules that have lots of spaces and energy.
- Have more than one type of atom bonded together.
- An arrangement of molecules that have moderate distance and energy.
Down
- Matter that contains more than one type of molecule.
- Measured properties that are recorded as numerical values.
- Matter that contains only one type of molecule.
- ____________ Properties that are descriptive and give information about what a substance is like.
- ____________ Properties give us information about how a substance will react.
- The mass of a substance within a specified volume.
15 Clues: Only have one type of atom bonded together. • Matter that contains only one type of molecule. • Descriptive properties that do not use numbers. • A mixture of molecules in a uniform arrangement. • Have more than one type of atom bonded together. • A mixture of molecules in a disorganized fashion. • The mass of a substance within a specified volume. • ...
Foundation Chemistry 2013-02-26
Across
- This implies that only one mole of any gas at STP is able to occupy a volume of 22,4dm3.
- Atoms of the same element having the same atomic number but consisting of different atomic numbers.
- A region in which there is a high prop-ability of electronic movement.
- Its symbol is capital N and small capital A, .
- This element belongs to group 4 and is located in period 3.
- Plants produce this gas for everyday living.
- This scientist stated that "protons are not evenly distributed throughout the atom, but is concentrated inside the nucleus."
- The mass of one mole is called the .......
- The number of protons in the nucleus of an atom of an element.
- This element makes the the rock which most women love to have on their fingers.
Down
- The simplest ratio in which the elements of a compound combine with each other to form the compound.
- It refers to the number of electrons that an atom can accept, donate or share, in order to achieve the structure of the nearest noble gas.
- This gas fills up party ballons.
- In 1912, he discovered the neutron, an electrically neutral particle with a mass similar to that of the proton's.
- This gas is used to fill the bright lights, which flashes various colours, in big cities.
15 Clues: This gas fills up party ballons. • The mass of one mole is called the ....... • Plants produce this gas for everyday living. • Its symbol is capital N and small capital A, . • This element belongs to group 4 and is located in period 3. • The number of protons in the nucleus of an atom of an element. • ...
Chemistry Crossword 2013-05-12
Across
- The process in a reaction where energy in the form of heat is released.
- This is the smallest type of particle.
- The only form of iron corrosion.
- The scientific term for 'burning'.
- A particle with a net charge.
- This is what the the three things needed for fire are collectively known as.
- The process in a reaction where energy in the form of heat is absorbed.
- This gas takes up roughly 21% of Earth's atmosphere.
- This gas is the most abundant gas in the Earth's atmosphere.
Down
- A substance composed of two or more elements that are chemically combined together
- A substance that is combined of two or more elements chemically combined together.
- This is the most common greenhouse gas.
- This is the process of which people use to stop iron corrosion, by strengthening the material.
- This type of matter is listed on the periodic table.
- A substance composed of two or more atoms of different elements.
15 Clues: A particle with a net charge. • The only form of iron corrosion. • The scientific term for 'burning'. • This is the smallest type of particle. • This is the most common greenhouse gas. • This type of matter is listed on the periodic table. • This gas takes up roughly 21% of Earth's atmosphere. • This gas is the most abundant gas in the Earth's atmosphere. • ...
FOCUS Chemistry 2013-09-12
Across
- Element with a different number of neutrons but the same number of protons and electrons
- Reaction that can go either way
- Describing chemical reactions with equations and simple whole number ratios
- Found in vast amounts
- Molecule consisting of two atoms
- Smallest unit of an element
- Element which exists in more than one structural form
- A species with an unpaired electron
Down
- When the rate of the forward and backward reactions are the same
- Made up of
- Reaction process
- Making of a compound
- How easily something dissolves
- Speed of reaction
- Unusual result
15 Clues: Made up of • Unusual result • Reaction process • Speed of reaction • Making of a compound • Found in vast amounts • Smallest unit of an element • How easily something dissolves • Reaction that can go either way • Molecule consisting of two atoms • A species with an unpaired electron • Element which exists in more than one structural form • ...
Organic Chemistry 2017-02-16
Across
- สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน
- ตัวทำละลายอินทรีย์ที่เกิดจากอะตอมคาร์บอนหนึ่งตัวเกิดพันธะกับคลอรีนสี่ตัว
- ไอโซเมอร์ที่มีการจัดกลุ่มอะตอมหรือที่ว่างในโมเลกุลต่างกัน
- ชื่อของสารประกอบอินทรีย์ที่ประกอบขึ้นจากไฮโดรเจนและคาร์บอนทั้งหมด
- แอลกอฮอลล์ที่มีสูตรC2H6O
- สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่
- อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3
Down
- เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว
- แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว
- หมู่ฟังก์ชั่นที่มีสูตร-CHO
- สารประกอบไฮโดรคาร์บอนที่มีอะตอมคาร์บอนเรียงกันเป็นวงแหวนเบนซีน
- ปฏิกิริยาการเติม
- ปฏิกิริยาการแทนที่
- คุณสมบัติที่ทำให้ไม่ละลายในน้ำ
- ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์
15 Clues: ปฏิกิริยาการเติม • ปฏิกิริยาการแทนที่ • แอลกอฮอลล์ที่มีสูตรC2H6O • หมู่ฟังก์ชั่นที่มีสูตร-CHO • แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว • คุณสมบัติที่ทำให้ไม่ละลายในน้ำ • สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่ • เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว • สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน • อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3 • ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์ • ...
Organic Chemistry 2017-02-16
Across
- ปฏิกิริยาการแทนที่
- สารประกอบไฮโดรคาร์บอนที่มีอะตอมคาร์บอนเรียงกันเป็นวงแหวนเบนซีน
- ตัวทำละลายอินทรีย์ที่เกิดจากอะตอมคาร์บอนหนึ่งตัวเกิดพันธะกับคลอรีนสี่ตัว
- สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่
- เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว
- แอลกอฮอลล์ที่มีสูตรC2H6O
- ไอโซเมอร์ที่มีการจัดกลุ่มอะตอมหรือที่ว่างในโมเลกุลต่างกัน
- ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์
Down
- แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว
- ปฏิกิริยาการเติม
- ชื่อของสารประกอบอินทรีย์ที่ประกอบขึ้นจากไฮโดรเจนและคาร์บอนทั้งหมด
- หมู่ฟังก์ชั่นที่มีสูตร-CHO
- คุณสมบัติที่ทำให้ไม่ละลายในน้ำ
- อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3
- สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน
15 Clues: ปฏิกิริยาการเติม • ปฏิกิริยาการแทนที่ • แอลกอฮอลล์ที่มีสูตรC2H6O • หมู่ฟังก์ชั่นที่มีสูตร-CHO • แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว • คุณสมบัติที่ทำให้ไม่ละลายในน้ำ • สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่ • เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว • อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3 • สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน • ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์ • ...
Chemistry Crossword 2017-06-08
Across
- Cloudy liquids that contain insoluble particles.
- A type of mixture that always looks cloudy.
- Dissolves in a liquid.
- It is the concentration of a solute in a solution.
- How much solute is in the solvent.
- Holding as much water or moisture as can be absorbed.
- A mixture of two or more liquids that are normally unmixable or unblendable.
Down
- A substance that stabilises an emulsion.
- Any liquid that dissolves another substances.
- Dissolves very easily in water.
- if there is a lot of solute.
- Liquid made up of a solvent with a solute dissolved in it.
- A substance made by mixing other substances together.
- Not mixed or adulterated with any other substance or material.
- Does not dissolve.
15 Clues: Does not dissolve. • Dissolves in a liquid. • if there is a lot of solute. • Dissolves very easily in water. • How much solute is in the solvent. • A substance that stabilises an emulsion. • A type of mixture that always looks cloudy. • Any liquid that dissolves another substances. • Cloudy liquids that contain insoluble particles. • ...
Chemistry crossword 2017-06-07
Across
- A type of mixture that always looks cloudy because of its insoluble particles that remain suspended throughout it
- Is reducing the concentration of a solute in solution
- A mixture of two or more liquids that are normally un-mixable or un-blend able
- Dissolves easily in water
- Is the abundance of a constituent divided by the total volume of a mixture
- Cloudy liquids that contain insoluble particles
- Dissolves in a liquid
- A pure substance is a substance that cannot separate by physical means
Down
- A combination of two or more substances
- A substance that stabilises an emulsion
- A liquid that dissolves another substance or substances
- How strong a substance is
- A liquid made up of a solvent with a solute dissolved in it
- Does not dissolve
- Containing the greatest possible number of hydrogen atoms
15 Clues: Does not dissolve • Dissolves in a liquid • Dissolves easily in water • How strong a substance is • A combination of two or more substances • A substance that stabilises an emulsion • Cloudy liquids that contain insoluble particles • Is reducing the concentration of a solute in solution • A liquid that dissolves another substance or substances • ...
Chemistry Vocabulary 2018-06-05
Across
- between the oxygen and each hydrogen in a water molecule (H2O)
- a substance composed of exactly two different elements
- tells us the number of atoms of each element in a compound
- useful tool for determining the precision of your calculations
- linear molecular geometry describes the geometry around a central atom bonded to two other atoms
- a central atom is located at the center with four substituents that are located at the corners
- where two pairs of electrons are shared between the atoms rather than just one pair
- a chemical bond between two atoms involving six bonding electrons instead of the usual two in a covalent single bond
Down
- ratio between the amounts in moles of any two compounds involved in a chemical reaction
- molecular geometry has a central atom bonded to three other atoms or groups
- model used to predict the geometry of molecules based on minimizing the electrostatic repulsion of a molecule's valence electrons around a central atom
- When a covalent bond forms with one pair of shared electrons
- a chemical compound composed of ions held together by electrostatic forces termed ionic bonding
- the mass of a given substance divided by the amount of substance
- formed from the attraction between mobile electrons and fixed, positively charged metallic atoms
15 Clues: a substance composed of exactly two different elements • tells us the number of atoms of each element in a compound • When a covalent bond forms with one pair of shared electrons • between the oxygen and each hydrogen in a water molecule (H2O) • useful tool for determining the precision of your calculations • ...
Chemistry Vocabulary 2018-06-05
Across
- molecular geometry has a central atom bonded to three other atoms or groups
- tells us the number of atoms of each element in a compound
- between the oxygen and each hydrogen in a water molecule (H2O)
- where two pairs of electrons are shared between the atoms rather than just one pair
- a substance composed of exactly two different elements
- a chemical compound composed of ions held together by electrostatic forces termed ionic bonding
- ratio between the amounts in moles of any two compounds involved in a chemical reaction
Down
- When a covalent bond forms with one pair of shared electrons
- model used to predict the geometry of molecules based on minimizing the electrostatic repulsion of a molecule's valence electrons around a central atom
- formed from the attraction between mobile electrons and fixed, positively charged metallic atoms
- useful tool for determining the precision of your calculations
- a chemical bond between two atoms involving six bonding electrons instead of the usual two in a covalent single bond
- a central atom is located at the center with four substituents that are located at the corners
- the mass of a given substance divided by the amount of substance
- linear molecular geometry describes the geometry around a central atom bonded to two other atoms
15 Clues: a substance composed of exactly two different elements • tells us the number of atoms of each element in a compound • When a covalent bond forms with one pair of shared electrons • useful tool for determining the precision of your calculations • between the oxygen and each hydrogen in a water molecule (H2O) • ...
Nuclear Chemistry 2018-11-18
Across
- A sequence of reactions where a reactive product or by-product causes additional reactions to take place
- The visible spectrum of electromagnetic radiation
- A nuclear reaction can be described by a ______________, which must be balanced
- A penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves and so imparts the highest photon energy
- Consists of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus. They are generally produced in the process of _____ decay
- Samples of an element with different numbers of neutrons in their atoms
- A process in which the nucleus of an atom is changed by being split apart or joined with the nucleus of another atom
- A graphical representation of the exponential rate at which radioactive disintegration occurs
- The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.
Down
- A reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic
- The process by which an unstable atomic nucleus loses energy by emitting radiation
- The time taken for the radioactivity of a specified isotope to fall to half its original value
- A high-energy, high-speed electron emitted by the radioactive decay of an atomic nucleus during the process of ____ decay
- The total number of protons and neutrons in a nucleus
- A nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts
15 Clues: The visible spectrum of electromagnetic radiation • The total number of protons and neutrons in a nucleus • Samples of an element with different numbers of neutrons in their atoms • A nuclear reaction can be described by a ______________, which must be balanced • The process by which an unstable atomic nucleus loses energy by emitting radiation • ...
General chemistry 2022-03-10
Across
- catalyst for hydration of ethene
- CH4 + Br2 —> CH3 + HBr what reaction is this
- reaction between acid and alkali
- indicator used in titration (red in acid yellow in base)
- founder of the modern day periodic table
Down
- general formula = CnH2n+2
- giant covalent structure made of carbon atoms with a cage like structure
- what are formed in a reaction?
- chemical decomposition using electricity
- general term for both catalysts used for catalytic cracking
- bonds between non metal elements
- gas released in metallic bonding
- element with symbol W
- what is formed? carboxylic acid + ethanol
- bonding between metals and non metals
15 Clues: element with symbol W • general formula = CnH2n+2 • what are formed in a reaction? • bonds between non metal elements • catalyst for hydration of ethene • gas released in metallic bonding • reaction between acid and alkali • bonding between metals and non metals • chemical decomposition using electricity • founder of the modern day periodic table • ...
Experimental Chemistry 2022-01-01
Across
- A gas with the highest composition in the air, and also generally inert, non-metallic, colorless, odorless, and tasteless.
- The substance collected on the filter paper during filtration process.
- This measuring apparatus is used to transfer 50 cm^3 of dilute hydrochloric acid solution into a flask.
- A gas which can be collected by both the displacement of air and the displacement of water.
- A process that is suitable to separate solid-solid mixtures or a solid-liquid mixture which contains an insoluble solid.
- These are added in distillation process to prevent bumping during boiling.
- A process when a solid substance changes into a gas directly without melting.
- A compound whose molecule is always formed by one carbon atom chemically joined with four hydrogen atoms.
Down
- A pure substance that is made up of atoms of two or more elements chemically combined together.
- A gas that can be collected via upward delivery because it is less dense than air and also highly soluble in water.
- This measuring apparatus is used to measure the volume of a solution accurately to 0.1 cm^3.
- A pure substance that cannot be broken down into any simpler substances by chemical methods.
- Fractional distillation is used to separate liquid-liquid mixtures which are _____, which means they dissolve in each other.
- This gas is collected via downward delivery because it is denser than air.
- One of the methods used to recover a pure solid from a solution; however, this method is used when a compound is not heat-stable.
15 Clues: The substance collected on the filter paper during filtration process. • This gas is collected via downward delivery because it is denser than air. • These are added in distillation process to prevent bumping during boiling. • A process when a solid substance changes into a gas directly without melting. • ...
Organic Chemistry 2022-01-25
Across
- hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms
- a chemical formula that identifies the location of chemical bonds between the atoms of a molecule.
- the process of breaking a covalent bond where one previously bonded species takes both original bonding electrons from the other species.
- a two-stage reaction process of an addition reaction followed by an elimination reaction
- an atom or a molecule that in chemical reaction seeks an atom or molecule containing an electron pair available for bonding
- a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of the compound
Down
- the simplest whole number ratio of atoms present in a compound
- relating to or denoting organic compounds in which carbon atoms form open chains (as in the alkanes), not aromatic rings.
- chemical bond dissociation of a molecular bond by a process where each of the fragments (an atom or molecule) retains one of the originally bonded electrons.
- a substance that takes part in and undergoes change during a reaction.
- a chemical reaction during which one functional group in a chemical compound is replaced by another functional group.
- has only single bonds between carbon atoms
- a reaction in which one molecule combines with another to form a larger molecule with no other products.
- a chemical species that forms bonds with electrophiles by donating an electron pair.
- an aromatic hydrocarbon (such as benzene or naphthalene)
15 Clues: has only single bonds between carbon atoms • an aromatic hydrocarbon (such as benzene or naphthalene) • the simplest whole number ratio of atoms present in a compound • a substance that takes part in and undergoes change during a reaction. • hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms • ...
Organic Chemistry 2022-01-25
Across
- hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms
- a chemical formula that identifies the location of chemical bonds between the atoms of a molecule.
- the process of breaking a covalent bond where one previously bonded species takes both original bonding electrons from the other species.
- a two-stage reaction process of an addition reaction followed by an elimination reaction
- an atom or a molecule that in chemical reaction seeks an atom or molecule containing an electron pair available for bonding
- a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of the compound
Down
- the simplest whole number ratio of atoms present in a compound
- relating to or denoting organic compounds in which carbon atoms form open chains (as in the alkanes), not aromatic rings.
- chemical bond dissociation of a molecular bond by a process where each of the fragments (an atom or molecule) retains one of the originally bonded electrons.
- a substance that takes part in and undergoes change during a reaction.
- a chemical reaction during which one functional group in a chemical compound is replaced by another functional group.
- has only single bonds between carbon atoms
- a reaction in which one molecule combines with another to form a larger molecule with no other products.
- a chemical species that forms bonds with electrophiles by donating an electron pair.
- an aromatic hydrocarbon (such as benzene or naphthalene)
15 Clues: has only single bonds between carbon atoms • an aromatic hydrocarbon (such as benzene or naphthalene) • the simplest whole number ratio of atoms present in a compound • a substance that takes part in and undergoes change during a reaction. • hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms • ...
Chemistry Crossword 2022-01-07
Across
- ______ bonding involves a sharing of electrons
- _____ electrons are in the outermost shell of the atom
- the ____ rule says atoms will gain or lose enough electrons to have the same amount of electrons as a noble gas
- The chemical formula for an ionic compound that is arranged in the smallest whole-number ratio
- covalent bonds are a lot ____ than ionic bonds
- a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds.
Down
- The octet rule says that after losing or gaining electrons an atom will be _____ with a noble gas
- Central atom has no unshared pairs and is sharing electrons with 4 other atoms
- Central atom has one unshared pair and is sharing electrons with 3 other atoms
- ______ bonding involves a transfer off electrons
- H2O is what geometric shape
- CH2O is what geometric shape (hint _____ planar)
- The electron pairs (both shared and unshared) in the outermost energy level try to get as far apart from each other as possible.
- a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds.
- CO2 is what geometric shape
15 Clues: H2O is what geometric shape • CO2 is what geometric shape • ______ bonding involves a sharing of electrons • covalent bonds are a lot ____ than ionic bonds • ______ bonding involves a transfer off electrons • CH2O is what geometric shape (hint _____ planar) • _____ electrons are in the outermost shell of the atom • ...
Seawater Chemistry 2023-08-11
Across
- The strong attraction between water molecules
- The attraction of water molecules to other substances
- The amount of dissolved substances in seawater
- How tightly packed molecules of a substance are; help to hold object afloat
- Water helps regulate __ changes
- Help maintain stable pH levels
- Water is made of two hydrogen atoms and one oxygen atom that are held together by __ bonds
- The electrons are not shared equally, so water is
Down
- Water is known as this, because it can dissolve almost anything
- Although the salinity of various samples of seawater may vary, the ratio of salts is constant
- Every year, the upper ___ of the ocean's surface evaporates.
- Most abundant ion in seawater
- The tendency of a substance to resist flow
- Viscosity increases when salinity does this
- These come from erosion, hydrothermal vents, & eroded shells
15 Clues: Most abundant ion in seawater • Help maintain stable pH levels • Water helps regulate __ changes • The tendency of a substance to resist flow • Viscosity increases when salinity does this • The strong attraction between water molecules • The amount of dissolved substances in seawater • The electrons are not shared equally, so water is • ...
Chemistry Vocab 2023-09-25
Across
- Descriptive data with characteristics that can't be changed or counted
- What you observe
- Data that proves if your hypothesis is correct or incorrect.
- Accurate predictions based on experiments
- What you infer
- Results of experiment
- Group that doesn't change
- If,Then,Because
Down
- Numbers obtained by counting or measuring
- Observing results after the experiment
- Group changes based on what we change
- Variable that does change
- Variable that doesn't change
- Putting your hypothesis into action
- Problems that you answer
15 Clues: What you infer • If,Then,Because • What you observe • Results of experiment • Problems that you answer • Variable that does change • Group that doesn't change • Variable that doesn't change • Putting your hypothesis into action • Group changes based on what we change • Observing results after the experiment • Numbers obtained by counting or measuring • ...
Chemistry Terms 2023-10-04
Across
- element that has the property of shiny luster, ductility, and malleability
- element that lacks most of the properties of a metal, is not shiny, does not conduct electricity or heat well, is not malleable so it is called brittle or breakable.
- smallest part of an element that can be identified as that element
- able to be drawn into thin wires
- particle that has a negative charge - located in rings outside the nucleus of an atom. You can figure out the number of electrons by looking at the atomic number of an element.
- place in an electron cloud where an electron is most likely to be found - rings. Remember, 2-8-18-32.
- number of protons in the nucleus of an atom. This is the same number as the number of electrons
- elements that make up Group 17 in the periodic table
- the way a material reflects light.
Down
- particle that has no charge - located in the nucleus of an atom. You can figure out the number of neutrons by SUBTRACTING the atomic Mass minus the atomic number.
- able to be hammered into different shapes
- particle that has a positive charge - located in the nucleus of an atom. You can figure out the number of protons by looking at the atomic number of an element.
- total mass of the protons and neutrons in an atom
- center, or core, of an atom (where the protons and neutrons are located)
- substance that CANNOT be chemically broken down into simpler substances
15 Clues: able to be drawn into thin wires • the way a material reflects light. • able to be hammered into different shapes • total mass of the protons and neutrons in an atom • elements that make up Group 17 in the periodic table • smallest part of an element that can be identified as that element • substance that CANNOT be chemically broken down into simpler substances • ...
Basic Chemistry 2023-09-05
Across
- remove hydrogen ions (H+) or release hydroxide ions
- Can damage life in Earth’s ecosystem
- Increasing blood pH to 7.8
- (-HCO3) in blood buffers pH to 7.4
- nitrogen oxide pollutants mix and react with water, oxygen, and other chemicals to form more acid rain.
Down
- normally 7.4
- Reducing blood pH to 7.0
- the concentration of carbon dioxide (CO2) in the atmosphere has increased due to human actions.
- pure water and tears
- solutes in water that resist change in pH
- Sulfur dioxide pollutants mix and react with water, oxygen, and other chemicals to form more acid rain.
- dissociate in water and release hydrogen ions
- Each unit change in pH represents a change
- Indicates acidity and alkalinity of a solution
- if blood is too ... equation shifts to left
15 Clues: normally 7.4 • pure water and tears • Reducing blood pH to 7.0 • Increasing blood pH to 7.8 • (-HCO3) in blood buffers pH to 7.4 • Can damage life in Earth’s ecosystem • solutes in water that resist change in pH • Each unit change in pH represents a change • if blood is too ... equation shifts to left • dissociate in water and release hydrogen ions • ...
Chemistry Revision 2023-10-13
Across
- Solid to Gas
- Liquid to Solid
- Sodium Chloride
- Particles in fluids move randomly
- Gas to Liquid
- decreasing the concentration of a solute in a solution
- It is a graph that uses the measurement /100g water
- When the particles are touching but not as close as a solid
Down
- When particles are far apart
- The only way that they move is by vibrating
- A substance with a solute and solvent mixed together
- Solid to Liquid
- Liquid to Gas
- A substance mixed in a solvent
- The movement of particles from a high concentration to a low concentration
15 Clues: Solid to Gas • Liquid to Gas • Gas to Liquid • Solid to Liquid • Liquid to Solid • Sodium Chloride • When particles are far apart • A substance mixed in a solvent • Particles in fluids move randomly • The only way that they move is by vibrating • It is a graph that uses the measurement /100g water • A substance with a solute and solvent mixed together • ...
Ch1 Chemistry 2024-01-26
Across
- matter that has definite & uniform composition
- data involving no number, only senses
- set of controlled observations that test a hypothesis
- visual, verbal, or math related explanation of data
- systemic approach to solving a problem
- relationship in nature supported by experiments
Down
- judgement based on information obtained
- data involving measurements & numbers
- measure of matter & gravity's effect on an object
- research done to solve a problem
- knowledge gained for the sake of knowing it
- testable statement or prediction, educated guess
- possible explanation, based on observations over time
- study of matter and its changes
- measurement of the amount of matter in something
15 Clues: study of matter and its changes • research done to solve a problem • data involving measurements & numbers • data involving no number, only senses • systemic approach to solving a problem • judgement based on information obtained • knowledge gained for the sake of knowing it • matter that has definite & uniform composition • relationship in nature supported by experiments • ...
Chemistry Vocab 2024-01-11
Across
- outer electrons
- a bond between two nonmetals
- the number in front of the formula
- the columns on the periodic table
- the number of protons in an element
- formed when two or more atoms of an element join together
Down
- the number after a symbol; the number of atoms of each element
- the total number of protons and electrons in an element
- a subatomic particle with a neutral charge
- a subatomic particle with a negative charge
- a subatomic particle with a positive charge
- type of molecule where atoms of two or more elements combine (ex:C02)
- an abbreviation of the element name
- a bond between a metal and nonmetal
- the rows on the periodic table
15 Clues: outer electrons • a bond between two nonmetals • the rows on the periodic table • the columns on the periodic table • the number in front of the formula • an abbreviation of the element name • a bond between a metal and nonmetal • the number of protons in an element • a subatomic particle with a neutral charge • a subatomic particle with a negative charge • ...
Chemistry 101 2025-01-29
Across
- A combination of two or more pure substances where both substances keep their own identity
- Two Atoms that are joined together. All compounds are ________
- Atoms are defined by there ______________
- Substances that are made of only one single type of atom or only one type of molecule
- A particle inside a nucleus of an Atom
- A reversesible change
- Particles outside the nucleus of an Atom
- A substance that is made entirely from one single type of Atom
Down
- A substance formed when 2 or more chemical elements are chemically bonded together
- Anything that takes up space
- Atom structure that is irregular and lacks repeating pattern
- THe smallest unit of matter that makes up all physical things
- A structure of molecules - ions - or atoms that are held together in a specific ordered arrangement
- A particle inside the nucleus of an Atom
- An irreversible change
15 Clues: A reversesible change • An irreversible change • Anything that takes up space • A particle inside a nucleus of an Atom • A particle inside the nucleus of an Atom • Particles outside the nucleus of an Atom • Atoms are defined by there ______________ • Atom structure that is irregular and lacks repeating pattern • ...
Chemistry Crossword 2025-10-16
Across
- electrons will occupy separate orbitals within a subshell with parallel spins before they begin to pair up
- Smaller levels
- Orbits something
- The circumfence of an atom
- certain pairs of physical properties, like a particle's position and momentum, cannot be known with arbitrary precision at the same time
- Not a metal but not a nonmetal
- The circumfrence of an ion
- the repulsion of inner-shell electrons from outer-shell electrons
- Where electrons lie in an atom
Down
- a simplified model of a molecule that shows the bonding between atoms
- the electrons in an atom's outermost shell
- Not a metal
- Shiny and conducts metal
- fundamental chemical principle stating that the chemical properties of elements are periodic functions of their atomic numbers
- very small
15 Clues: very small • Not a metal • Smaller levels • Orbits something • Shiny and conducts metal • The circumfence of an atom • The circumfrence of an ion • Not a metal but not a nonmetal • Where electrons lie in an atom • the electrons in an atom's outermost shell • the repulsion of inner-shell electrons from outer-shell electrons • ...
Chemistry Crossword 2024-05-08
Across
- cohesive bonds near the surface, which in turn makes it stronger
- groups of atoms
- substances with OH- ions
- changes to a substance that change the chemical aspect of it
- used for testing the concentraion of a substance
- changes to a substance that change the phsyical aspect of it
- the mixture of a solute and a solvent
- the scale that marks the concentration of ions in a substance
Down
- building blocks of the universe
- adding an acid to a base to turn it into a neutral substance
- substance that does the dissolving
- substance that dissolves
- substances with H+ ions
- substances with no ions
- the bonds of molecules that hold a substance together
15 Clues: groups of atoms • substances with H+ ions • substances with no ions • substances with OH- ions • substance that dissolves • building blocks of the universe • substance that does the dissolving • the mixture of a solute and a solvent • used for testing the concentraion of a substance • the bonds of molecules that hold a substance together • ...
Chemistry Vocab 2024-05-08
Across
- The bonds between substances
- measures what the liquid is on the pH scale
- The study of matter
- feels slippery, tastes bitter, has OH-ions
- corrosive to metal, tastes sour, has H+ions
- Mixing H+ions and OH-ions, to get water
- A bunch of atoms together
- The chart of all elements
- The chemical aspect of a substance changed
Down
- how potent a acid or base is
- The physical aspect of a substance changed
- a process which scientists conduct experiments
- A substance that dissolves water
- The result of water dissolving solvents
- measures if liquid is acid,base,or neutral
15 Clues: The study of matter • A bunch of atoms together • The chart of all elements • how potent a acid or base is • The bonds between substances • A substance that dissolves water • The result of water dissolving solvents • Mixing H+ions and OH-ions, to get water • The physical aspect of a substance changed • feels slippery, tastes bitter, has OH-ions • ...
chemistry crossword 2025-01-12
Across
- depends on the amount of matter in the sample
- Low Kinetic Energy
- Very low Kinetic Energy
- Very high Kinetic Energy
- depends on the type of matter, not the amount present
- the energy possessed by an object due to its position, composition or condition
- process that releases energy into the surroundings
- the study of the composition, structure, and properties of matter and the changes it undergoes.
Down
- a property that can be observed and measured without changing the material’s composition.
- a process that absorbs energy from the surroundings
- energy of motion
- a measure of the amount of space that is occupied
- High Kinetic Energy
- Matter is anything with mass that occupies space.
- the capacity to do work or transfer heat.
15 Clues: energy of motion • Low Kinetic Energy • High Kinetic Energy • Very low Kinetic Energy • Very high Kinetic Energy • the capacity to do work or transfer heat. • depends on the amount of matter in the sample • a measure of the amount of space that is occupied • Matter is anything with mass that occupies space. • process that releases energy into the surroundings • ...
Chemistry Revision 2025-03-21
Across
- ice solid carbon dioxide
- make many bubbles, producing a continuous sound
- take in a gas or liquid
- the smallest piece of an element that can still be recognised as that element
- the substance that dissolves in a solvent
- a substance that acts as a source of hydrogen ions in solution
- unreactive
- the change of state directly from a gas to a solid
Down
- movement of particle from area of high concentration to area of low concentration
- a substance that neutralises acids by combining with the hydrogen ions in them
- containing water
- a mass of solid without a particular shape
- move from one place to another
- a positive ion, formed by atoms losing electrons
- the liquid that a solute dissolves in
15 Clues: unreactive • containing water • take in a gas or liquid • ice solid carbon dioxide • move from one place to another • the liquid that a solute dissolves in • the substance that dissolves in a solvent • a mass of solid without a particular shape • make many bubbles, producing a continuous sound • a positive ion, formed by atoms losing electrons • ...
Nuclear Chemistry 2025-05-05
Across
- Radioactive element used in nuclear power
- Subatomic particles in the nucleus, with a positive charge.
- Time it takes for half of a radioactive substance to decay
- Subatomic particles with a negative charge.
- Subatomic particles in the nucleus, with no charge
- Atoms of the same element with different neutron numbers.
Down
- Having the property of emitting radiation
- Splitting of an atomic nucleus into smaller parts
- A sequence of reactions where the product of one reaction causes the next
- Radioactive element used in nuclear weapons
- Fundamental particle of matter
- Combining of atomic nuclei.
- The process where an unstable atomic nucleus loses energy
- Process where atoms interact and change
- Capacity to do work.
15 Clues: Capacity to do work. • Combining of atomic nuclei. • Fundamental particle of matter • Process where atoms interact and change • Having the property of emitting radiation • Radioactive element used in nuclear power • Radioactive element used in nuclear weapons • Subatomic particles with a negative charge. • Splitting of an atomic nucleus into smaller parts • ...
CHEMISTRY CROSSWORD 2024-08-24
Across
- The number of protons and neutrons in the nucleus of an atom
- Short form of an Element
- The number of protons in the nucleus of an atom
- The smallest particle of an element
- The outermost shell of an atom
- Solid State formed from the gaseous state on cooling
Down
- The new substances formed as a result of a chemical reaction
- The term used for a particular kind of matter
- The positively charged ions
- Combining capacity of an elemeny
- Anything which occupies space and has mass
- The substances which take part in a chemical reaction
- The negatively charged ions
- The gaseous form of a solid
- A pure substance which cannot be broken into two or more substances by any known physical and chemical mean
15 Clues: Short form of an Element • The positively charged ions • The negatively charged ions • The gaseous form of a solid • The outermost shell of an atom • Combining capacity of an elemeny • The smallest particle of an element • Anything which occupies space and has mass • The term used for a particular kind of matter • The number of protons in the nucleus of an atom • ...
CHEMISTRY CROSSWORD 2024-08-24
Across
- The smallest particle of an element
- The negatively charged ions
- The new substances formed as a result of a chemical reaction
- Short form of an Element
- Anything which occupies space and has mass
- The gaseous form of a solid
- The outermost shell of an atom
- The number of protons in the nucleus of an atom
Down
- The term used for a particular kind of matter
- Combining capacity of an elemeny
- The positively charged ions
- The number of protons and neutrons in the nucleus of an atom
- A pure substance which cannot be broken into two or more substances by any known physical and chemical mean
- The substances which take part in a chemical reaction
- Solid State formed from the gaseous state on cooling
15 Clues: Short form of an Element • The negatively charged ions • The positively charged ions • The gaseous form of a solid • The outermost shell of an atom • Combining capacity of an elemeny • The smallest particle of an element • Anything which occupies space and has mass • The term used for a particular kind of matter • The number of protons in the nucleus of an atom • ...
Organic Chemistry 2026-05-15
Across
- hydrocarbon with only single bonds
- has at least one hydroxyl bound to a saturated carbon
- organic compound containing a functional group with the stricture R−CH=O
- same molecular formula, different molecules
- another name for a saturated hydrocarbon
- hydrocarbon that has one or more double or triple bond
- colorless, flammable, sweet smelling liquid
Down
- derived from an acid; where the hydrogen of at least one hydroxyl is replaced by an organyl group
- hydrogen and carbon
- molecule that is the basis of organic chemistry
- has at least one triple bond
- compound containing a carbon-nitrogen bond
- more bonds between carbons means _______ reactivity
- has at least one double bond
- a single oxygen bonded to two separate carbons in organyl groups
15 Clues: hydrogen and carbon • has at least one triple bond • has at least one double bond • hydrocarbon with only single bonds • another name for a saturated hydrocarbon • compound containing a carbon-nitrogen bond • same molecular formula, different molecules • colorless, flammable, sweet smelling liquid • molecule that is the basis of organic chemistry • ...
Organic Chemistry 2026-05-17
Across
- Burning in oxygen
- Burning with enough oxygen
- Saturated hydrocarbon with single bonds only
- Mixture of hydrocarbons
- Containing at least one carbon-carbon double bond
- Group of hydrocarbons with similar boiling points
- Compound containing hydrogen and carbon only
- Family of compounds with similar properties
- Containing only single carbon-carbon bonds
- Separation of liquids by boiling point
Down
- Burning with limited oxygen
- Process of joining monomers together.
- Small molecule that joins to form a polymer
- Formation of polymers from alkenes
- Unsaturated hydrocarbon containing a double bond
15 Clues: Burning in oxygen • Mixture of hydrocarbons • Burning with enough oxygen • Burning with limited oxygen • Formation of polymers from alkenes • Process of joining monomers together. • Separation of liquids by boiling point • Containing only single carbon-carbon bonds • Small molecule that joins to form a polymer • Family of compounds with similar properties • ...
Chemistry Booster 2026-06-11
Across
- Used to test for Alkanes, will go colourless if Alkenes are present
- ______ wave radiation is emitted by the Earth and trapped by our atmosphere, leading to the greenhouse effect
- Alkane with 5 carbons
- Alkane with 6 carbons
- Roughly 80% of the Earth's atmosphere is made of this gas
- A type of hydrocarbon with the formula CnH2n+2
- A type of hydrocarbon with a double bond between the carbons
Down
- Roughly 20% of the Earth's atmosphere, used in respiration!
- ______ wave radiation can pass through out atmosphere, coming from the Sun
- Alkane with 1 carbon
- Alkane with 2 carbons
- Alkane with 3 carbons
- Alkane with 4 carbons
- One of the products of complete combustion, a gas
- A product of incomplete combustion, poisonous gas
15 Clues: Alkane with 1 carbon • Alkane with 2 carbons • Alkane with 3 carbons • Alkane with 4 carbons • Alkane with 5 carbons • Alkane with 6 carbons • A type of hydrocarbon with the formula CnH2n+2 • One of the products of complete combustion, a gas • A product of incomplete combustion, poisonous gas • Roughly 80% of the Earth's atmosphere is made of this gas • ...
Chemistry Crossword 2026-06-22
Across
- This is released in combustion alongside carbon dioxide (5)
- A resource that is being used up more quickly than it is made - it will run out (6)
- A saturated hydrocarbon, forms only single bonds (6)
- The positive particle found in the nucleus(6)
- A reaction where fuel burns in oxygen (10)
- The bigger number next to an element that is the same as the number of protons plus the number of neutrons (4, 6)
- An unsaturated hydrocarbon, contains at least one carbon-carbon double bond (6)
- Released by cows (7)
- A mixture formed over millions of years from dead organisms e.g. plankton (5,3)
Down
- The greenhouse gas which is released by car engines (6,7)
- The smaller number next to an element that is the same as the number of protons (6, 6)
- The process used to separate out the liquids in crude oil (10,12)
- The negative particle, found in shells around (8) the nucleus
- A resources that can be replenished as it is used up (9)
- The neutral particle found in the nucleus (7)
15 Clues: Released by cows (7) • A reaction where fuel burns in oxygen (10) • The positive particle found in the nucleus(6) • The neutral particle found in the nucleus (7) • A saturated hydrocarbon, forms only single bonds (6) • A resources that can be replenished as it is used up (9) • The greenhouse gas which is released by car engines (6,7) • ...
Module 7 Vocabulary: Biochemistry 2024-02-01
Across
- the process in which nutrients are converted into useful energy in a cell
- the study of living things
- the study of the makeup of all things and how they behave
- the smallest unit of a substance that has all the properties of that substance
- the amount of matter or substance that makes up an object
- the ability to do work
Down
- a process where one or more substances are converted to one or more different substances
- the process in which green plants use sunlight to make their own food
- the production of chemical compounds by reaction from simpler materials
- the study of the chemistry of living things
- basic building block of all matter
- anything that has weight and takes up space
12 Clues: the ability to do work • the study of living things • basic building block of all matter • the study of the chemistry of living things • anything that has weight and takes up space • the study of the makeup of all things and how they behave • the amount of matter or substance that makes up an object • ...
Classroom Chemistry 2016-11-24
Across
- Has a unfixed shape and volume
- Separates a soluble solid from a liquid
- Used to separate an insoluble solid from a liquid
- The amount of space an object takes up
- Involves heating, followed by cooling to leave a pure substance behind in crystal form
- Has a fixed mass and volume
- Sugar is an example in Kool Aid
- This action is what allows water to move when filter paper is dipped in water
- Takes the shape of its container
Down
- A type of mixture where you can see the individual parts
- The substance that dissolves the solute
- A type of mixture where you cannot see the individual parts
- Used to separate two different dyes based on their solubility levels
- Makes up everything all around us
- When a substance is able to dissolve into another type of substance
15 Clues: Has a fixed mass and volume • Has a unfixed shape and volume • Sugar is an example in Kool Aid • Takes the shape of its container • Makes up everything all around us • The amount of space an object takes up • The substance that dissolves the solute • Separates a soluble solid from a liquid • Used to separate an insoluble solid from a liquid • ...
chemistry Isabel 2016-12-14
Across
- bond the complete transfer of valence electron(s) between atoms.
- relating to, measuring, or measured by the quality of something rather than its quantity.
- a substance made by mixing other substances together.
- a part or aspect of something abstract, especially one that is essential or characteristic.
- a thing that is composed of two or more separate elements; a mixture.
- the basic unit of a chemical element
- mass the mass of an atom of a chemical element expressed in atomic mass units
- a particular kind of matter with uniform properties.
- physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
Down
- A group of atoms bonded together,representing the smallest fundamental unit of a chemical compound that can take any part in a chemical reaction
- rule chemical rule of thumb that reflects observation that atoms of main-group elements tend to combine in such a way that each atom has eight electrons in its valence shel
- of or denoting a process involving substances in different phases (solid, liquid, or gaseous).
- unit chemistry is the empirical formula of any ionic or convalescent network solid compound used as an independent entity for stoichiometric calculations.
- is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole or multipole moment.
- A subatomic particle of about the same mass as a proton but without an electric charge
15 Clues: the basic unit of a chemical element • a particular kind of matter with uniform properties. • a substance made by mixing other substances together. • bond the complete transfer of valence electron(s) between atoms. • a thing that is composed of two or more separate elements; a mixture. • ...
Organic Chemistry 2017-02-16
Across
- คุณสมบัติที่ทำให้ไม่ละลายในน้ำ
- ปฏิกิริยาการแทนที่
- หมู่ฟังก์ชั่นที่มีสูตร-CHO
- สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน
- แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว
- เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว
Down
- สารประกอบไฮโดรคาร์บอนที่มีอะตอมคาร์บอนเรียงกันเป็นวงแหวนเบนซีน
- ปฏิกิริยาการเติม
- ตัวทำละลายอินทรีย์ที่เกิดจากอะตอมคาร์บอนหนึ่งตัวเกิดพันธะกับคลอรีนสี่ตัว
- ไอโซเมอร์ที่มีการจัดกลุ่มอะตอมหรือที่ว่างในโมเลกุลต่างกัน
- อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3
- สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่
- ชื่อของสารประกอบอินทรีย์ที่ประกอบขึ้นจากไฮโดรเจนและคาร์บอนทั้งหมด
- ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์
- แอลกอฮอลล์ที่มีสูตรC2H6O
15 Clues: ปฏิกิริยาการเติม • ปฏิกิริยาการแทนที่ • แอลกอฮอลล์ที่มีสูตรC2H6O • หมู่ฟังก์ชั่นที่มีสูตร-CHO • แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว • คุณสมบัติที่ทำให้ไม่ละลายในน้ำ • สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่ • เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว • อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3 • สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน • ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์ • ...
Chemistry Terms 2018-02-05
Across
- / Smallest particle of matter that still has its characteristics
- / Two or more substances that are physically combined
- / Visibly different substances throughout
- / Two or more atoms chemically combined
- / Charge-less particle in the nucleus of a atom
- Change / When the chemical properties stay the same and is the same substance, but its size and shape change
- / Anything that has mass and volume
- / Made up of more than one type of atom
Down
- / Amount of space something occupies
- / All the substances are the same throughout
- Change / When something transforms into a new substance
- / Made up of one type of atom
- / Negatively charged particles that move around the atom
- / Positively charged particles in the nucleus of a atom
- / Amount of matter in a object
15 Clues: / Made up of one type of atom • / Amount of matter in a object • / Anything that has mass and volume • / Amount of space something occupies • / Two or more atoms chemically combined • / Made up of more than one type of atom • / Visibly different substances throughout • / All the substances are the same throughout • / Charge-less particle in the nucleus of a atom • ...
Chemistry Crossword 2018-01-23
Across
- Material.
- very compact.
- A substance that is not combined chemically.
- what amount of space this takes up.
- a well mixed substance.
- how close you can get your answers to line up.
- A chemically combined substance.
- how close you can get to the correct number.
Down
- the size of something.
- chemicals that cannot be broken down any further.
- to trap heat.
- Unit The SI unit for the seven base units.
- These guys make up everything.
- to give off heat.
- not mixed well.
15 Clues: Material. • to trap heat. • very compact. • not mixed well. • to give off heat. • the size of something. • a well mixed substance. • These guys make up everything. • A chemically combined substance. • what amount of space this takes up. • Unit The SI unit for the seven base units. • A substance that is not combined chemically. • how close you can get to the correct number. • ...
Water Chemistry 2013-01-14
Across
- a liquid, matter that flows
- fresh water mixed with salt
- taking care of something
- chemistry of earths crust
- caused by humans
- elements mixed in the same phase
- force of an object
- atoms chemically combined
- amount packed in
Down
- all water in the world
- increase overtime of population
- amount of salt
- toxins in air
- total mass of living materials in one specific area
- waste or water that flows everywhere
15 Clues: toxins in air • amount of salt • caused by humans • amount packed in • force of an object • all water in the world • taking care of something • chemistry of earths crust • atoms chemically combined • a liquid, matter that flows • fresh water mixed with salt • increase overtime of population • elements mixed in the same phase • waste or water that flows everywhere • ...
Chemistry Words 2013-08-25
Across
- when salt goes into water it _______
- when you clean out a liquid like water
- only one type of thing
- the separation of a mixture
- made up of one type of atom
- vanish, to pass out of sight
Down
- able to be drawn out into a thin wire
- when a solid liquid or gas changes from one state to another
- going from a liquid to a gas
- a small component in a solvent
- a liquid a solute is dissolved in
- a small amount of something left after the main part has gone
- easy to move or bend
- two or more separate elements
- a substance that is made by mixing two different substances
15 Clues: easy to move or bend • only one type of thing • the separation of a mixture • made up of one type of atom • going from a liquid to a gas • vanish, to pass out of sight • two or more separate elements • a small component in a solvent • a liquid a solute is dissolved in • when salt goes into water it _______ • able to be drawn out into a thin wire • ...
Chemistry Crossword 2013-11-12
Across
- Said all atoms are like balls
- Idea of orbitals
- Negative pieces of an atom
- Elements with 8 electrons
- These go left and right
- First person to think of atoms
- No charge
Down
- Electron on outermost shell
- These go up and down
- Positive pieces of an atom
- Chart with all the elements
- Came up with the idea of electrons
- Smallest unit of all matter
- More than one atom together
- A charged particle
15 Clues: No charge • Idea of orbitals • A charged particle • These go up and down • These go left and right • Elements with 8 electrons • Positive pieces of an atom • Negative pieces of an atom • Electron on outermost shell • Chart with all the elements • Smallest unit of all matter • More than one atom together • Said all atoms are like balls • First person to think of atoms • ...
Chemistry Rocks 2014-08-28
Across
- basic unit of mass
- difference between the accepted and experimental values
- zero/zero point on a Kelvin scale
- measurement of how close to actual value
- measure of how close a measurement is to another
- quantity of heat
- basic unit of length
Down
- capacity to do work or produce heat
- volume of liquids
- force that measures the pull
- measure of how hot or cold
- scale/ freezing point of water is zero degrees
- value/correct value based on reliable references
- depends only on the composition
- unit of energy
15 Clues: unit of energy • quantity of heat • volume of liquids • basic unit of mass • basic unit of length • measure of how hot or cold • force that measures the pull • depends only on the composition • zero/zero point on a Kelvin scale • capacity to do work or produce heat • measurement of how close to actual value • scale/ freezing point of water is zero degrees • ...
Chemistry equipment 2015-08-19
Across
- used to dispense solids
- measures out specific volumes of liquids
- holds liquids
- used to pick up hot beakers
- used for making solutions of a specific volume
- used to weigh solids on the balance
Down
- used to hold test tubes during an experiment
- used to stir mixtures
- used to carry out experiments
- used to measure the mass of objects
- cleaning and adding water to experiment
- used to dispense small amounts of chemicals
- used to measure small amounts of chemicals
- used to help pour liquids into a narrow side
- used to cover the top of a beaker to avoid splashing
15 Clues: holds liquids • used to stir mixtures • used to dispense solids • used to pick up hot beakers • used to carry out experiments • used to measure the mass of objects • used to weigh solids on the balance • cleaning and adding water to experiment • measures out specific volumes of liquids • used to measure small amounts of chemicals • used to dispense small amounts of chemicals • ...
Chemistry 9 2021-09-16
Across
- when paper is shredded it goes through a ________ change
- A smoothie is a _______ of foods
- Hydrogen is the first _______ on the periodic table
- When olive oil starts bubbling and spitting it has hit its _______ point
- A well-blended, seedless smoothie is a ___________ mixture
- The melting point is when aluminum changes from _____ to liquid
Down
- Most jewelry is made of silver due to its ____________
- when steel meets an acidic substance and rusts it’s called corrosion
- The amount of milk in a cup is called the _______
- Magnesium and Ammonia are both considered a ____ Substance
- When liquid water turns into ice, it's called a change of _____
- when a banana ripens it goes through a ________
- propane gas is used in barbecues because of its flammability
- A fruit salad is a _____________ mixture
- the ability of copper to _______ electricity
15 Clues: A smoothie is a _______ of foods • A fruit salad is a _____________ mixture • the ability of copper to _______ electricity • when a banana ripens it goes through a ________ • The amount of milk in a cup is called the _______ • Hydrogen is the first _______ on the periodic table • Most jewelry is made of silver due to its ____________ • ...
