chemistry Crossword Puzzles
Chemistry 2021-01-21
Across
- เกิดจากการใช้อิเล็กตรอนร่วมกัน 3 คู่ เช่น ก๊าซไนโตรเจน
- SO42- อ่าน
- เกิดจากการใช้อิเล็กตรอนร่วมกัน 1 คู่ เช่น น้ำ
- NH4+ อ่านว่า
- เกิดจากการใช้อิเล็กตรอนร่วมกัน 2 คู่ เช่น ก๊าซออกซิเจน
Down
- คือ พันธะที่เกิดขึ้นภายในอะตอมของธาตุในกลุ่มโลหะ เกิดเป็นแรงยึดเหนี่ยวที่ทำให้อะตอมของกลุ่มโลหะอยู่ร่วมกันเป็นกลุ่มก้อน
- พันธะที่เกิดขึ้นจากการใช้เวเลนต์อิเล็กตรอน 1 คู่หรือมากกว่าร่วมกันระหว่างอะตอม
- 1Br- อ่านว่า
- สูตรโครงสร้างแบบเส้น เป็นการเขียนสูตรโครงสร้างโดยวิธีของ
- สารประกอบไออนิกประกอบด้วยไออนบวกที่ยึดเหนี่ยวกับไอออนลบด้วยพันธะเคมีที่เรียกว่า
10 Clues: SO42- อ่าน • NH4+ อ่านว่า • 1Br- อ่านว่า • เกิดจากการใช้อิเล็กตรอนร่วมกัน 1 คู่ เช่น น้ำ • เกิดจากการใช้อิเล็กตรอนร่วมกัน 3 คู่ เช่น ก๊าซไนโตรเจน • เกิดจากการใช้อิเล็กตรอนร่วมกัน 2 คู่ เช่น ก๊าซออกซิเจน • สูตรโครงสร้างแบบเส้น เป็นการเขียนสูตรโครงสร้างโดยวิธีของ • พันธะที่เกิดขึ้นจากการใช้เวเลนต์อิเล็กตรอน 1 คู่หรือมากกว่าร่วมกันระหว่างอะตอม • ...
Chemistry 2021-01-04
10 Clues: example of gas • example of solid • example of matter • example of element • what's a unit of mass? • what has a neutral charge? • what has an electric charge? • what's the formula of volume? • what does not have a fixed shape? • what has a positive electric charge?
chemistry 2021-02-14
Across
- This separates solids in suspension in a liquid by letting them move across another material with a large surface area.
- This involves passing the mixtures through a filter, which retains one of the components (e.g sand and water)
- the conversion of a vapour or gas to a liquid.
- the removal of contaminants from water.
- remaining substance after the greater part or quantity has gone.
- homogeneous or heterogeneous mixture of metals
Down
- the process of turning from a liquid into vapour.
- the process of separating components of a mixture based on different boiling points.
- a mixture in which the particle size of the disintegrated substance is so small that it appears to be homogeneous.
- also known as freezing is a phase change of matter that results in the production of a solid
10 Clues: the removal of contaminants from water. • the conversion of a vapour or gas to a liquid. • homogeneous or heterogeneous mixture of metals • the process of turning from a liquid into vapour. • remaining substance after the greater part or quantity has gone. • the process of separating components of a mixture based on different boiling points. • ...
Chemistry 2021-04-13
Across
- positively charged atom in the nucleus
- able to be hammered or pressed permanently out of shape without breaking
- Small number next to a element
- a thing that is composed of two or more separate elements
- able to be drawn out into a thin wire
- the study of the composition, structure and properties of matter
Down
- a group of atoms bonded together
- a substance that takes part in and undergoes change during a reaction
- Big number in front of a molecule
- negatively charged atom outside the the nucleus
10 Clues: Small number next to a element • a group of atoms bonded together • Big number in front of a molecule • able to be drawn out into a thin wire • positively charged atom in the nucleus • negatively charged atom outside the the nucleus • a thing that is composed of two or more separate elements • the study of the composition, structure and properties of matter • ...
chemistry 2021-04-26
Across
- energy levels
- the reactive elements
- change is something that we can touch but not chemical
- to be able to be bend and shaped
- something that's not shiny but not dem
Down
- the number on the outside of the brackets
- electron outer shell electron
- something that breaks easily
- representing a chemical element
- lacking brightness
10 Clues: energy levels • lacking brightness • the reactive elements • something that breaks easily • electron outer shell electron • representing a chemical element • to be able to be bend and shaped • something that's not shiny but not dem • the number on the outside of the brackets • change is something that we can touch but not chemical
Chemistry 2021-04-14
Across
- does not result in a new substance
- the horizontal rows in the periodic table
- an object that allows the flow of charge in one or more directions
- substances you end with after the chemical reaction
- substance composed of many identical molecules
- something that is hard but very easy to break
Down
- a group of electrons circulating around the nucleus
- the amount of protons found in the element
- has no charge to the atom
- has a positive charge to the atom
10 Clues: has no charge to the atom • has a positive charge to the atom • does not result in a new substance • the horizontal rows in the periodic table • the amount of protons found in the element • something that is hard but very easy to break • substance composed of many identical molecules • a group of electrons circulating around the nucleus • ...
Chemistry 2021-04-15
Across
- Levels: Energy levels (also called electron shells) are fixed distances from the nucleus of an atom where electrons may be found.
- the central part of an atom that comprises nearly all of the atomic mass and that consists of protons and neutrons.
- Chemistry is the scientific discipline involved with elements.
- the basic unit of a chemical element.
Down
- Electron: a valence electron is an outer shell electron that is associated with an atom.
- the proton is a positive electric charge.
- reaction: a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
- a stable subatomic particle with a charge of negative electricity.
- a subatomic particle of about the same mass as a proton but without an electric charge.
- Cloud: An electron cloud is the region of negative charge surrounding an atomic nucleus that is associated with an atomic orbital.
10 Clues: the basic unit of a chemical element. • the proton is a positive electric charge. • Chemistry is the scientific discipline involved with elements. • a stable subatomic particle with a charge of negative electricity. • a subatomic particle of about the same mass as a proton but without an electric charge. • ...
Chemistry 2021-04-30
10 Clues: colorless gas • You can squash • getting bigger • able to dissolve • Helps digest food • makes a ringing sound • The particles spreads out to form a gas • can be hammered into shape without cracking • most common element in the Earth's atmosphere • it changes directly into gas, without first becoming liquid
chemistry 2021-05-16
Across
- tiny particles that make up everything
- able to dissolve in other substances
- a state of matter
- a state of matter
- the process of turning a gas into a liquid
- a state of matter
- a solid turns into a liquid from overheating
Down
- separating large substances from small ones
- mixtures with no dissolving involved
- another word for sieving
- a tool used to heat up stuff
- a strategy used to separate mixtures
12 Clues: a state of matter • a state of matter • a state of matter • another word for sieving • a tool used to heat up stuff • mixtures with no dissolving involved • able to dissolve in other substances • a strategy used to separate mixtures • tiny particles that make up everything • the process of turning a gas into a liquid • separating large substances from small ones • ...
Chemistry 2021-05-16
Across
- a fluid that comforms to the shape of its container.
- used to seperate liquids or gases using a filter.
- a state of matter that has no fixed shape or volume.
- transition where a liquid turns into a solid when temperature is low.
- water changes from liquid to gas.
Down
- the process of seperating components of mixed based boiling points.
- changing gas of matter into liquid stage.
- A gas burner used as laboratory equipment.
- moving luquid from one container to the other.
- A small unit that forms a chemical element.
10 Clues: water changes from liquid to gas. • changing gas of matter into liquid stage. • A gas burner used as laboratory equipment. • A small unit that forms a chemical element. • moving luquid from one container to the other. • used to seperate liquids or gases using a filter. • a fluid that comforms to the shape of its container. • ...
Chemistry 2022-06-07
Across
- found to the left on the line
- created the first periodic table
- numbers what the periodic table is organized by today
- row represents the principal quantum number
Down
- in group 2 has 2 valence electrons
- found to the right of the line
- the elements found on the line
- metals in the first row of the periodic table
- excluded from group 1
- atomic number of 94
10 Clues: atomic number of 94 • excluded from group 1 • found to the left on the line • found to the right of the line • the elements found on the line • created the first periodic table • in group 2 has 2 valence electrons • row represents the principal quantum number • metals in the first row of the periodic table • numbers what the periodic table is organized by today
Chemistry 2022-06-05
Across
- New substances formed as a result of chemical reaction
- What is the other name for quick lime?
- What type of reaction is respiration
- Storing the food in air-tight containers prevents-
- Fatty foods become rancid due to the process of
Down
- oxidation is the loss of
- chemical reaction that takes place when electricity is passed through water
- A chemical reaction in which elements takes other elements place
- he oxidation and reduction reaction are also called ………… reactions
- A substance that undergoes change in a chemical reaction
10 Clues: oxidation is the loss of • What type of reaction is respiration • What is the other name for quick lime? • Fatty foods become rancid due to the process of • Storing the food in air-tight containers prevents- • New substances formed as a result of chemical reaction • A substance that undergoes change in a chemical reaction • ...
Chemistry 2022-11-07
Across
- Anything that has mass and takes up space
- A molecule made of only one kind of atom
- What is the C symbol in the periodic table?
- A substance made up of atoms of two or more different elements joined by chemical bonds
Down
- The building blocks of matter
- A group of atoms bonded together
- bond. The attractive force that holds atoms or ions together
- Table of Elements, The chart scientists use to organize and classify all the known elements
- What is the H symbol in the periodic table?
- A combination of two or more substances that are not chemically combined
10 Clues: The building blocks of matter • A group of atoms bonded together • A molecule made of only one kind of atom • Anything that has mass and takes up space • What is the H symbol in the periodic table? • What is the C symbol in the periodic table? • bond. The attractive force that holds atoms or ions together • ...
chemistry 2022-11-02
Across
- two or more molecules
- A state of matter that does not have a defined shape , fast moving particles
- change in the substance
- example fire
- heat released in a chemical reaction is
Down
- A state of matter that does have a defined shape
- no property change
- A state of matter that does not have a defined shape moving particles
- heat absorbed in a chemical reaction is
- Basic unit of chemical element
10 Clues: example fire • no property change • two or more molecules • change in the substance • Basic unit of chemical element • heat absorbed in a chemical reaction is • heat released in a chemical reaction is • A state of matter that does have a defined shape • A state of matter that does not have a defined shape moving particles • ...
chemistry 2022-11-02
Across
- two or more molecules
- A state of matter that does not have a defined shape , fast moving particles
- change in the substance
- example fire
- heat released in a chemical reaction is
Down
- A state of matter that does have a defined shape
- no property change
- A state of matter that does not have a defined shape moving particles
- heat absorbed in a chemical reaction is
- Basic unit of chemical element
10 Clues: example fire • no property change • two or more molecules • change in the substance • Basic unit of chemical element • heat absorbed in a chemical reaction is • heat released in a chemical reaction is • A state of matter that does have a defined shape • A state of matter that does not have a defined shape moving particles • ...
Chemistry 2022-10-06
Across
- is N2O+N2O-> N3O2 a uneven or even equation?
- a correct equation is _____
- ____ produce a product
- matter can only be _____ not created or destroyed
- reactants must always _____ a product for an equation to work
Down
- anything that takes up space
- a chemical equation can't be _____
- the law that matter cant be created or destroyed
- reactants produce ____
- make sure both sides are _____
10 Clues: ____ produce a product • reactants produce ____ • a correct equation is _____ • anything that takes up space • make sure both sides are _____ • a chemical equation can't be _____ • is N2O+N2O-> N3O2 a uneven or even equation? • the law that matter cant be created or destroyed • matter can only be _____ not created or destroyed • ...
Chemistry 2022-10-20
Across
- the person who concluded that cathode rays were negatively charged particles.
- the ability of the atom to attract toward itself the electrons in a chemical bond
- changes that do not change the composition
- elements in Group 8A
- electrons in the outermost energy level of an atom
- the person who arranged the elements by atomic numbers
Down
- the person who proposed 'atomos'
- atoms that have the same atomic number but different number of neutrons
- irreversible process of change
- elements that have the properties of metals and nonmetals
10 Clues: elements in Group 8A • irreversible process of change • the person who proposed 'atomos' • changes that do not change the composition • electrons in the outermost energy level of an atom • the person who arranged the elements by atomic numbers • elements that have the properties of metals and nonmetals • ...
chemistry 2022-10-25
Across
- transferring of electrons between two atoms.
- contains protons, neutrons, and electrons.
- the electrons on the outer shell of the atom.
- the links between atoms.
- a group of atoms.
Down
- absorption of heat.
- sharing of electrons between two atoms.
- the molecular makeup of the object.
- when a chemical substance is transformed into one or more different substances.
- release of heat.
10 Clues: release of heat. • a group of atoms. • absorption of heat. • the links between atoms. • the molecular makeup of the object. • sharing of electrons between two atoms. • contains protons, neutrons, and electrons. • transferring of electrons between two atoms. • the electrons on the outer shell of the atom. • ...
Chemistry 2017-02-07
Across
- a characteristic of a substance
- a subatomic particle with a negative charge
- a subatomic particle with no charge
- the number of protons or electrons
Down
- a change that results in a new substance
- a subatomic particle with a positive charge
- substances that can't be broken down into a simpler form
- horizontal rows on the periodic table
- how compact a substance is
- columns of elements on the periodic table
10 Clues: how compact a substance is • a characteristic of a substance • the number of protons or electrons • a subatomic particle with no charge • horizontal rows on the periodic table • a change that results in a new substance • columns of elements on the periodic table • a subatomic particle with a positive charge • a subatomic particle with a negative charge • ...
Chemistry 2017-02-07
Across
- a group of atoms bonded together
- an element changing its shape is an example of__
- something composed of different substances
- positive electric charge
- every column in the periodic table is a __
Down
- something that makes or breaks bonds
- how many __ are on the outermost shell
- a solids ability to be stretched into a wire
- how likely something is to undergo a chemical change
- horizontal row on the table
10 Clues: positive electric charge • horizontal row on the table • a group of atoms bonded together • something that makes or breaks bonds • how many __ are on the outermost shell • something composed of different substances • every column in the periodic table is a __ • a solids ability to be stretched into a wire • an element changing its shape is an example of__ • ...
Chemistry 2019-06-03
10 Clues: charged atom • ending substance • starting substance • positively charged ion • negatively charged ion • smallest type of matter • respresents a chemical reaction • respresents a chemical substance • electron in the highest energy level • anything that takes up space and has mass
Chemistry 2019-10-23
Across
- ... flask, a titration flask, is a type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck
- a technique used to separate out homogeneous mixtures where there is one or more dissolved salts.
- the separation of a mixture by passing it in solution or suspension or as a vapor through a medium in which the components move at different rates
- a substance that speeds up a chemical reaction, but is not consumed by the reaction
Down
- an effective method to separate mixtures comprised of two or more pure liquids
- any of a class of natural or synthetic substances composed of very large molecules,that are multiples of simpler chemical units called monomers.
- a separation method used to separate out pure substances in mixtures comprised of particles, some of which are large enough in size to be captured with a porous material.
- a vessel in which substances are ground or crushed with a pestle.
- ... chemistry uses qualitative and quantitative observation to identify and measure the physical and chemical properties of substances. In a sense, all chemistry is analytical.
- ... are substances initially present in a chemical reaction that are consumed during the reaction to make products
10 Clues: a vessel in which substances are ground or crushed with a pestle. • an effective method to separate mixtures comprised of two or more pure liquids • a substance that speeds up a chemical reaction, but is not consumed by the reaction • a technique used to separate out homogeneous mixtures where there is one or more dissolved salts. • ...
Chemistry 2019-10-23
Across
- any of a class of natural or synthetic substances composed of very large molecules,that are multiples of simpler chemical units called monomers.
- ... flask, a titration flask, is a type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck
- an effective method to separate mixtures comprised of two or more pure liquids
- a substance that speeds up a chemical reaction, but is not consumed by the reaction
- a technique used to separate out homogeneous mixtures where there is one or more dissolved salts.
- ... are substances initially present in a chemical reaction that are consumed during the reaction to make products
Down
- a separation method used to separate out pure substances in mixtures comprised of particles, some of which are large enough in size to be captured with a porous material.
- a vessel in which substances are ground or crushed with a pestle.
- the separation of a mixture by passing it in solution or suspension or as a vapor through a medium in which the components move at different rates
- ... chemistry uses qualitative and quantitative observation to identify and measure the physical and chemical properties of substances. In a sense, all chemistry is analytical.
10 Clues: a vessel in which substances are ground or crushed with a pestle. • an effective method to separate mixtures comprised of two or more pure liquids • a substance that speeds up a chemical reaction, but is not consumed by the reaction • a technique used to separate out homogeneous mixtures where there is one or more dissolved salts. • ...
Chemistry 2019-12-19
Across
- It has a electric charge and it's small
- It intermediate between those of metals and solid nonmetals
- It's a effective conductor of electricity and heat
- What a substance or element that not a metal
- It's made up of three tiny kinds of particles
Down
- A mathematical function that describes the wave behavior
- A substance whose atoms have same number of protons
- A subdivision of electron shells separated by electron orbitals.
- When it's not positive or negatively charged
- It consists nuetrons and protons
10 Clues: It consists nuetrons and protons • It has a electric charge and it's small • What a substance or element that not a metal • When it's not positive or negatively charged • It's made up of three tiny kinds of particles • It's a effective conductor of electricity and heat • A substance whose atoms have same number of protons • ...
Chemistry 2023-05-08
Across
- Simplest type of pure substance.
- The number of protons in the nucleus of an atom.
- An organized table that shows all discovered chemical elements.
- Subatomic particle with no electric charge found in the nucleus of an atom.
- An atom or molecule with a positive or negative charge.
Down
- Structure made up of two or more atoms.
- Subatomic particle that has a positive charge and is found in the nucleus of an atom.
- Substance made up of molecules that contain more than one kind of atom.
- Negatively charged subatomic particle found in an area outside of the nucleus.
- Smallest particle of an element that has all the properties of that element.
10 Clues: Simplest type of pure substance. • Structure made up of two or more atoms. • The number of protons in the nucleus of an atom. • An atom or molecule with a positive or negative charge. • An organized table that shows all discovered chemical elements. • Substance made up of molecules that contain more than one kind of atom. • ...
Chemistry 2023-05-27
Across
- Hydrocarbons having a straight chain structures with no ring in them
- Disinfectant in household cleaners and in moutwash
- For welding and cutting
- A rocket fuel for space craft intended for low Earth orbit
- Preservation of biological specimens
- Used as a softener for paper and fiber
Down
- Used as precusor to polypropylene resins, butylene oxide and butanone
- Contains a carbon-carbon triple bond (C=C)
- Hydrocarbons having a ring structure in them
- A natural gas use as fuel
10 Clues: For welding and cutting • A natural gas use as fuel • Preservation of biological specimens • Used as a softener for paper and fiber • Contains a carbon-carbon triple bond (C=C) • Hydrocarbons having a ring structure in them • Disinfectant in household cleaners and in moutwash • A rocket fuel for space craft intended for low Earth orbit • ...
Chemistry 2023-08-13
Across
- a body temperature that is above normal.
- liquid that has gone through the process of filtration
- the action of being moved apart.
- a substance made by mixing other substances together.
Down
- a minute portion of matter.
- holding as much water as can be absorbed
- pouring from one container into another
- particles filling the whole container.
- a substance that flows freely.
- firm and stable in shape.
10 Clues: firm and stable in shape. • a minute portion of matter. • a substance that flows freely. • the action of being moved apart. • particles filling the whole container. • pouring from one container into another • holding as much water as can be absorbed • a body temperature that is above normal. • a substance made by mixing other substances together. • ...
Chemistry 2023-08-13
Across
- a small discrete amount of something.
- a substance that flows freely.
- holding as much water as can be absorbed
- the action of being moved apart.
- a substance made by mixing other substances together.
Down
- firm and stable in shape.
- a body temperature that is above normal.
- liquid that has gone through the process of filtration
- pouring from one container into another
- particles filling the whole container.
10 Clues: firm and stable in shape. • a substance that flows freely. • the action of being moved apart. • a small discrete amount of something. • particles filling the whole container. • pouring from one container into another • a body temperature that is above normal. • holding as much water as can be absorbed • a substance made by mixing other substances together. • ...
chemistry 2023-11-09
Across
- positive part of atom
- groups of atoms held together by chemical bonds
- negative part of atom
- protons neutrons and electrons make
- outer most shell of electrons
- transferred electrons is a ____ bond
Down
- shared electrons are a ____ bond
- neutral part of atom
- numbers and letters to make a
- reaction that gives off heat
10 Clues: neutral part of atom • positive part of atom • negative part of atom • reaction that gives off heat • numbers and letters to make a • outer most shell of electrons • shared electrons are a ____ bond • protons neutrons and electrons make • transferred electrons is a ____ bond • groups of atoms held together by chemical bonds
CHEMISTRY 2023-12-07
Across
- Nama IUPAC dari CH3-CH2-CH2-CH2-CH3 adalah...
- energi ionisasi terbesar dimiliki oleh
- Kalor yang diserap atau dilepas apabila 1 mol senyawa terurai menjadi unsur-unsurnya disebut kalor...
- Reaksi CH3CH2CL ---> CH2 = CH2 + HCl disebut reaksi...
- Jika suatu sendok serbuk seng dimasukkan ke dalam gas kimia yang berisi larutan HCl,ternyata terbentuk gelembung gas dan dasar tabung berasa panas, reaksi ini dapat digolongkan ...
Down
- Atom merupakan bagian terkecil dari suatu benda yang tidak dapat dibagi lagi pendapat tersebut berasal dari
- unsur konfigurasi 1s2,2s2,2p6,3s2,3p5
- jika unsur-unsur disusun berdasarkan kenaikan nomor massa atom sifat unsur tersebut akan berulang pada unsur kedelapan. pernyataan ini dikenal dengan hukum oktaf yang dikemukakan oleh
- C4H10
- banyaknya subkulit tergantung pada bilangan kuantum
10 Clues: C4H10 • unsur konfigurasi 1s2,2s2,2p6,3s2,3p5 • energi ionisasi terbesar dimiliki oleh • Nama IUPAC dari CH3-CH2-CH2-CH2-CH3 adalah... • banyaknya subkulit tergantung pada bilangan kuantum • Reaksi CH3CH2CL ---> CH2 = CH2 + HCl disebut reaksi... • Kalor yang diserap atau dilepas apabila 1 mol senyawa terurai menjadi unsur-unsurnya disebut kalor... • ...
Chemistry 2023-09-11
Across
- When elements go into a chemical process
- The electron on the outer shell
- The amount of mass an atom has
- Become incorporated into a liquid to for a solution
- A type of substance containing atoms of two or more elements
Down
- A number in a chemical formula that tells the number of atoms in a molecule
- Pure substance
- The elements in the 18th group
- The amount of Protons an atom has
- The symbol that represents each element on the periodic table
10 Clues: Pure substance • The elements in the 18th group • The amount of mass an atom has • The electron on the outer shell • The amount of Protons an atom has • When elements go into a chemical process • Become incorporated into a liquid to for a solution • A type of substance containing atoms of two or more elements • The symbol that represents each element on the periodic table • ...
Chemistry 2024-04-23
Across
- Substance made up of two or more elements chemically bonded together
- Process in which substances are transformed into different substances
- Substance that increases the rate of a chemical reaction
- Substance made up of one type of atom
- Force that holds atoms together in a compound
- Smallest unit of a chemical compound
Down
- Basic unit of a chemical element
- Tabular arrangement of chemical elements
- Substance with a pH greater than 7
- Substance with a pH less than 7
10 Clues: Substance with a pH less than 7 • Basic unit of a chemical element • Substance with a pH greater than 7 • Smallest unit of a chemical compound • Substance made up of one type of atom • Tabular arrangement of chemical elements • Force that holds atoms together in a compound • Substance that increases the rate of a chemical reaction • ...
Chemistry 2024-08-09
10 Clues: one atom • negative charge • positive charge • two or more atoms • neutral/no charge • two different atoms • everything is made of it • every element is inside it • most basic unit(technically) • protons and neutrons are in it
Chemistry 2024-06-28
Across
- compound made up of carbon hydrogen and oxygen atoms
- substance that takes place in reaction
- a mixture of 2 or more metals
- reaction in which heat is released
- what is the process by which macromolecules are formed
Down
- spoilage of food
- the least reactive metal
- acid and base react to form
- the most reactive metal
- metals are good conductors of
10 Clues: spoilage of food • the most reactive metal • the least reactive metal • acid and base react to form • a mixture of 2 or more metals • metals are good conductors of • reaction in which heat is released • substance that takes place in reaction • compound made up of carbon hydrogen and oxygen atoms • what is the process by which macromolecules are formed
CHEMISTRY 2023-10-16
Across
- The columns are called
- positively charged particle in an atom
- theory of four elements
- negatively charged particle in an atom
- nucleus is a dense positively charged core
- other term for group in periodic table
- Bohr improved Rutherford’s model by adding the concept of orbits
Down
- a systematic and organized way of presenting
- neutral particle in an atom
- rows are called:
10 Clues: rows are called: • The columns are called • theory of four elements • neutral particle in an atom • positively charged particle in an atom • negatively charged particle in an atom • other term for group in periodic table • nucleus is a dense positively charged core • a systematic and organized way of presenting • ...
chemistry 2023-10-20
10 Clues: net charge • non metals • 8 electrons • two or more atoms • two or more metals • bond between metals • negative charged ion • positively charged ion • two or more atoms together • charged metal ion and a negatively charged non-metal ion.
Chemistry 2024-06-09
Chemistry 2024-10-24
Across
- What chemical equations are before its balanced
- Something everything is made up of
- Number in front of an element or formula
- The arrow in a chemical equation
- Can't be broken or created
Down
- The first part of a chemical equation
- The second part of a chemical equation
- What all chemical equations have to be
- Atoms can only be
- Small symbol on the bottom right
10 Clues: Atoms can only be • Can't be broken or created • The arrow in a chemical equation • Small symbol on the bottom right • Something everything is made up of • The first part of a chemical equation • The second part of a chemical equation • What all chemical equations have to be • Number in front of an element or formula • What chemical equations are before its balanced
Chemistry 2024-11-26
10 Clues: liquid form • small molecules • lather with soap • removal of hardness • adding chlorine to water • ability to neutralize acid • returning to original shape • heating and become hard on cooling • passage of electric current through it • transform of chemical energy into electrical energy
Chemistry 2024-10-31
10 Clues: D=m/v • water loving • water fearing • Solute+Solvent • 99% of our universe • A fluids resistance to flowing • the study of matter and how it changes • Ex:Proteins, Lipids, Carbs, Nucleic acids • A substance made up of only one type of atom • a single atom or molecule that can join another monomer
CHEMISTRY 2024-11-23
Across
- Loose slimy, soft deposit found in boilers.
- Chain polymerization is also called as?
- The micromolecule which combines with each other to form a polymer.
- Total hardness – temporary hardness gives?
- EBT is used as?
- Reactions in which oxidation and reduction take place simultaneously.
Down
- Polymer used in bulletproof windows.
- Water that has < 1000 ppm of dissolved solids.
- First step of the free radical mechanism.
- Oxidation occurs at?
10 Clues: EBT is used as? • Oxidation occurs at? • Polymer used in bulletproof windows. • Chain polymerization is also called as? • First step of the free radical mechanism. • Total hardness – temporary hardness gives? • Loose slimy, soft deposit found in boilers. • Water that has < 1000 ppm of dissolved solids. • The micromolecule which combines with each other to form a polymer. • ...
Chemistry 2025-01-04
Across
- Produces ethane when it reacts with Sodium Propanoate
- Gas produced when metal oxide reacts with ammonia
- Reddish brown which is seen at anode during electrolysis of PbBr2
- electrode diminished when active electrodes are used
- chemical name of main ore of aluminium
Down
- Maximum Electron Affinity in period 3
- 5th member of Alkane group
- Inert electrode used in PbBr2 electrolysis
- promoter in Haber's process
- Alloy of Aluminium used in electrolysis of bauxite
10 Clues: 5th member of Alkane group • promoter in Haber's process • Maximum Electron Affinity in period 3 • chemical name of main ore of aluminium • Inert electrode used in PbBr2 electrolysis • Gas produced when metal oxide reacts with ammonia • Alloy of Aluminium used in electrolysis of bauxite • electrode diminished when active electrodes are used • ...
Chemistry 2025-03-21
Across
- __________is the electrode whose electrode potential is stable and reproducible
- in IR spectrophotometer,_________ is used to select deserved range of frequencies
- ___________ is the movement of two atoms in the opposite direction
- __________is the movement of atoms above or below the plane of the molecule
Down
- infrared spectroscopy is also called as ___________ spectroscopy
- __________ electrode consists of a glass tube
- __________is the ratio of specific conductance to the measured conductance
- ___________solution is used to maintain pH of the solution
- ___________gives result IR spectrum
- __________ buffer is the mixture of weak acid with salt of weak acid and strong base
10 Clues: ___________gives result IR spectrum • __________ electrode consists of a glass tube • ___________solution is used to maintain pH of the solution • infrared spectroscopy is also called as ___________ spectroscopy • ___________ is the movement of two atoms in the opposite direction • __________is the ratio of specific conductance to the measured conductance • ...
Chemistry 2025-06-19
Across
- A shiny element that conducts heat and electricity
- a substance made up of one type of atom
- Able to be hammered or pressed into shape without breaking
- A column in the periodic table
- the smallest particle of an element
Down
- something that is easily broken
- A group of atoms bonded together
- A repeating arrangement of atoms in a solid
- a substance made up of two or more types of atoms bonded together
- A row in the periodic table
10 Clues: A row in the periodic table • A column in the periodic table • something that is easily broken • A group of atoms bonded together • the smallest particle of an element • a substance made up of one type of atom • A repeating arrangement of atoms in a solid • A shiny element that conducts heat and electricity • Able to be hammered or pressed into shape without breaking • ...
Chemistry 2025-10-30
10 Clues: D=m/v • Solute+solvent • Resistance to flow • Has a definite volume • Below the atomic symbol • Matter and how it changes • A single atom or molecule • Makes up 99% of our universe • Tells you the charge of the ion • Proteins, lipids, carbs and nucleic acids.
Chemistry 2025-11-21
Across
- Removing a liquid by turning it into gas.
- Forming solid crystals from a solution.
- Separating insoluble solids using a filter.
- Spinning to separate mixtures by density.
Down
- Separating substances by how they move through a mediu
- Separation by boiling and condensing
- Solid to gas to separate components.
- Using mesh to separate particles by size.
- Uses magnetic force to separate metals.
- Pouring off liquid from settled solids.
10 Clues: Separation by boiling and condensing • Solid to gas to separate components. • Forming solid crystals from a solution. • Uses magnetic force to separate metals. • Pouring off liquid from settled solids. • Removing a liquid by turning it into gas. • Using mesh to separate particles by size. • Spinning to separate mixtures by density. • ...
Chemistry 2012-06-26
Across
- is an electrically neutral group of two atoms
- anything that occupies space
- a combination of two substanses
- is a liquid that dissolves another solid
Down
- separates particles frm a liquid
- a type of fluid
- periodic table
- a basic unit of matter
- is a pure chemical substance
- A substance that is dissolved in a solvent to form a solution
10 Clues: periodic table • a type of fluid • a basic unit of matter • is a pure chemical substance • anything that occupies space • a combination of two substanses • separates particles frm a liquid • is a liquid that dissolves another solid • is an electrically neutral group of two atoms • A substance that is dissolved in a solvent to form a solution
Chemistry 2013-12-15
Across
- particles that fill their container though have no definite shape or volume
- state of matter which takes the shape of its container
- the phase transition of liquid vaporizing
- how close a value is to the actual or true value also see precision
- a molecule that has gained or lost one or more electrons
Down
- a compound that, when dissolved in water, gives a pH of less than 7.0
- an atom that is defined by its atomic number
- a substance that is made up of two or more chemically bonded elements
- when a substance is below the critical temperature while in the gas phase
- the positive side of a dry cell battery or a cell
10 Clues: the phase transition of liquid vaporizing • an atom that is defined by its atomic number • the positive side of a dry cell battery or a cell • state of matter which takes the shape of its container • a molecule that has gained or lost one or more electrons • how close a value is to the actual or true value also see precision • ...
Chemistry 2014-05-21
Across
- radiant energy given of by the sun
- member of the family of elements composed of very reactive, colored, non-metals
- a substance that has a PH level higher than 7 when it's in aqueous solution
- a subatomic particle that has a negative charge (-1)
- starting substance in a chemical reaction
Down
- a compound made from carbon and hydrogen
- a subatomic particle that has a positive charge (+1)
- a group of atoms usually of different elements that act as one single ion
- a substance that has a PH level lower than 7 when it's in aqueous solution
- a substance that can't be broken down into any simpler substances by chemical means
10 Clues: radiant energy given of by the sun • a compound made from carbon and hydrogen • starting substance in a chemical reaction • a subatomic particle that has a positive charge (+1) • a subatomic particle that has a negative charge (-1) • a group of atoms usually of different elements that act as one single ion • ...
chemistry 2013-07-31
Across
- a scale for measuring the purity of gold
- able to be stretched into wires
- A mixture of a non-metal and a metal
- the main metal in alloy
- an alloy of iron and carbon
Down
- a list of all the elements
- able to be hammered into new shapes
- a mixture of a base metal and small amounts of other elements
- shines when polished or freshly cut
- shatters when hit
10 Clues: shatters when hit • the main metal in alloy • a list of all the elements • an alloy of iron and carbon • able to be stretched into wires • able to be hammered into new shapes • shines when polished or freshly cut • A mixture of a non-metal and a metal • a scale for measuring the purity of gold • a mixture of a base metal and small amounts of other elements
chemistry 2020-04-27
Chemistry 2020-05-26
Across
- Condensation is the process of a substance in a gaseous state transforming into a liquid state
- the action of becoming larger or more extensive
- a substance formed from 2 or more elements
- turning into a liquid from vapor
- A substance that flows freely
- the intermingling of substances by the natural movement of their particles.
- the smallest particle that exists
Down
- changing directly into a vapor when heated
- a substace made by mixing other substaces
- is the solidification of atoms or molecules into a highly structured form called a crystal
10 Clues: A substance that flows freely • turning into a liquid from vapor • the smallest particle that exists • changing directly into a vapor when heated • a substace made by mixing other substaces • a substance formed from 2 or more elements • the action of becoming larger or more extensive • the intermingling of substances by the natural movement of their particles. • ...
Chemistry! 2021-01-04
10 Clues: all elements • tightly packed • a pure substance • no volume or shape • chemical compounds • a mixture of things • basic unit of matter • central core of an atom • something that allows flow • something joined by chemical bond
Chemistry 2021-01-04
Across
- smallest particle
- the number of protons in the nucleus
- produces negative charge
- the amount of space something takes up
Down
- total amount of protons and neutron
- mass of an atom
- produces positive charge
- anything that has mass and volume
- has the same mass as a proton but no charge
- a bunch of the same atoms grouped together
10 Clues: mass of an atom • smallest particle • produces positive charge • produces negative charge • anything that has mass and volume • total amount of protons and neutron • the number of protons in the nucleus • the amount of space something takes up • a bunch of the same atoms grouped together • has the same mass as a proton but no charge
Chemistry 2020-12-27
10 Clues: (n-1)d 1to9 • sharing of electron's • biodegradable polymer • water softening method • battery used in mobiles • discovered by madam curie • Drugs used to lower fever • which connect two half cells • technique to separate compounds • one of the mostabundantelement from 13 group
chemistry 2019-04-30
Across
- smallest particle of a chemical element
- a tabular arrangement of the chemical elements
- a subatomic particle with the same mass as a proton but without an electric charge
- a stable subatomic particle with negative charge
- any four substances (earth air fire and water)
Down
- two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
- to make a feature of the world easier to understand
- the emission of energy as electronic waves
- a stable subatomic particle in all atoms
- the central and most important part of an object
10 Clues: smallest particle of a chemical element • a stable subatomic particle in all atoms • the emission of energy as electronic waves • a tabular arrangement of the chemical elements • any four substances (earth air fire and water) • the central and most important part of an object • a stable subatomic particle with negative charge • ...
chemistry 2019-05-29
Across
- It’s in the middle of the atom
- Negative ion
- Grey mass in the sky, made up of very small floating drops of water
- Any of the four substances (earth, water, air, and fire)
- Heavy and positively charged particle
Down
- Tiny and negatively charged particle
- Positive ion
- Not supporting or helping either side in a conflict
- Heavy and neutral particle
- An arithmetical value like 4
10 Clues: Positive ion • Negative ion • Heavy and neutral particle • An arithmetical value like 4 • It’s in the middle of the atom • Tiny and negatively charged particle • Heavy and positively charged particle • Not supporting or helping either side in a conflict • Any of the four substances (earth, water, air, and fire) • ...
Chemistry 2017-02-07
Across
- Anything that takes up space
- something that provides information
- When something changes chemically
- Of the same kind
- The brain of the cell
Down
- When something changes physically
- When water is heated up and rises to become water vapor.
- When 2 elements are combined together
- A thing that is combind of 2 or more substances
- The majority of, not the weight but the ______
10 Clues: Of the same kind • The brain of the cell • Anything that takes up space • When something changes physically • When something changes chemically • something that provides information • When 2 elements are combined together • The majority of, not the weight but the ______ • A thing that is combind of 2 or more substances • ...
chemistry 2017-02-07
Across
- the basic unit of chemical element
- substance that undergoes reactions
- is when something changes but not on the chemical level
- physical substance it occupies space
- the compactness of a substance
Down
- something that can be shaped but not broken
- atoms in a group and are the smallest form of chemical compound that can chemically react
- matter usually large with no specific shape
- how reactive something is
- the rearrangement of atoms in usually one or more substances
10 Clues: how reactive something is • the compactness of a substance • the basic unit of chemical element • substance that undergoes reactions • physical substance it occupies space • something that can be shaped but not broken • matter usually large with no specific shape • is when something changes but not on the chemical level • ...
Chemistry 2017-11-01
Across
- smallest component of an element
- describes the number of moles of the substance per liter of liquid.
- smallest of the particles that make up an atom, and they carry a negative charge.
- a material made up of two or more different substances which are mixed but are not combined chemically
- the minor component in a solution, dissolved in the solvent
- subatomic particle found in the nucleus of every atom. The particle has a positive electrical charge
Down
- homogeneous mixture composed of two or more substances
- the abundance of a constituent divided by the total volume of a mixture
- unit is defined as the amount of a chemical substance that contains as many representative particles
- Substance substances that are made of only one type of atom or only one type of molecule
10 Clues: smallest component of an element • homogeneous mixture composed of two or more substances • the minor component in a solution, dissolved in the solvent • describes the number of moles of the substance per liter of liquid. • the abundance of a constituent divided by the total volume of a mixture • ...
CHEMISTRY 2020-09-24
Across
- A ____ has no definite shape and no definite volume
- Energy is ___ matter
- The fourth state of matter
- ______ consists of several types of matter
- Water and oil are in _____ state
Down
- Liquids don't have definite ______
- There are three _____ of matter
- A table, a student, a pen are all in _____ state
- Everything that has mass and volume
- _______ matter consists of only one type of matter
10 Clues: Energy is ___ matter • The fourth state of matter • There are three _____ of matter • Water and oil are in _____ state • Liquids don't have definite ______ • Everything that has mass and volume • ______ consists of several types of matter • A table, a student, a pen are all in _____ state • _______ matter consists of only one type of matter • ...
Chemistry 2020-10-18
Across
- Type of chemical reaction producing heat.
- Another name for combustion.
- Combustion type due to limited oxygen.
- One of the greenhouse gases.
Down
- Cleaner fuels producing less CO2.
- Combustion creating carbon dioxide.
- Taken from a fire using a fire blanket.
- Variable that is changing in an experiment.
- The colour of a dry powder extinguisher.
- Taken from fire with a water extinguisher.
10 Clues: Another name for combustion. • One of the greenhouse gases. • Cleaner fuels producing less CO2. • Combustion creating carbon dioxide. • Combustion type due to limited oxygen. • Taken from a fire using a fire blanket. • The colour of a dry powder extinguisher. • Type of chemical reaction producing heat. • Taken from fire with a water extinguisher. • ...
Chemistry 2018-03-04
Across
- Make something back to the original state.
- Science that deals with the composition and changes of substances.
- Something you can put back into a previous state.
- A mixture of 2 or more substances
- If something breaks down and is absorbed in a liquid.
Down
- A physical matter of which a thing consists.
- Something you measure things with.
- If a liquid substance turns into gas.
- Something that is impossible to change back into a previous state.
- If something can't be dissolved.
10 Clues: If something can't be dissolved. • A mixture of 2 or more substances • Something you measure things with. • If a liquid substance turns into gas. • Make something back to the original state. • A physical matter of which a thing consists. • Something you can put back into a previous state. • If something breaks down and is absorbed in a liquid. • ...
Chemistry 2018-03-04
Across
- Make something back to the original state.
- Science that deals with the composition and changes of substances.
- Something you can put back into a previous state.
- A mixture of 2 or more substances
- If something breaks down and is absorbed in a liquid.
Down
- A physical matter of which a thing consists.
- Something you measure things with.
- If a liquid substance turns into gas.
- Something that is impossible to change back into a previous state.
- If something can't be dissolved.
10 Clues: If something can't be dissolved. • A mixture of 2 or more substances • Something you measure things with. • If a liquid substance turns into gas. • Make something back to the original state. • A physical matter of which a thing consists. • Something you can put back into a previous state. • If something breaks down and is absorbed in a liquid. • ...
Chemistry 2021-07-17
Across
- a type of nutrient that you get from your diet
- an atom, molecule, or ion that has an unpaired valence electron
- main source of energy for the body
- an essential micronutrient which an organism needs in small quantities
- elements on the earth and in foods that our bodies need to develop
Down
- an ion with a positively charged carbon atom
- a molecule or ion capable of donating a proton
- carbon bears a formal negative charge
- comprised of one or more long chains of amino acid residues
- compound added to a system to cause a chemical reaction
10 Clues: main source of energy for the body • carbon bears a formal negative charge • an ion with a positively charged carbon atom • a type of nutrient that you get from your diet • a molecule or ion capable of donating a proton • compound added to a system to cause a chemical reaction • comprised of one or more long chains of amino acid residues • ...
chemistry 2024-06-10
Chemistry 2024-06-10
Across
- The study of chemical reactions
- An element required for Energy Production
- a compound or substance that has been purified or prepared
- a thing that is composed of two or more separate elements; a mixture
- identifyed by atomic number
Down
- a Scale that test for acidic levels
- bleach
- having a pH below 7
- A bond where electrons are shared
- substance that has a PH higher than 7
10 Clues: bleach • having a pH below 7 • identifyed by atomic number • The study of chemical reactions • A bond where electrons are shared • a Scale that test for acidic levels • substance that has a PH higher than 7 • An element required for Energy Production • a compound or substance that has been purified or prepared • ...
Chemistry 2024-06-09
Chemistry 2024-06-26
Across
- Simplest hydrocarbon.
- The process by which acids and bases neutralize each other.
- Absorbs heat from surroundings.
- A substance that changes color in the presence of acids or bases.
- Type of bonding in metals.
Down
- Conducts electricity in solution.
- The number written before a chemical formula in a balanced equation.
- Contains only carbon and hydrogen.
- Releases hydrogen ions.
- Speeds up a chemical reaction.
10 Clues: Simplest hydrocarbon. • Releases hydrogen ions. • Type of bonding in metals. • Speeds up a chemical reaction. • Absorbs heat from surroundings. • Conducts electricity in solution. • Contains only carbon and hydrogen. • The process by which acids and bases neutralize each other. • A substance that changes color in the presence of acids or bases. • ...
Chemistry 2023-08-16
Across
- State of matter with no fixed shape or volume.
- State of matter with a fixed shape and volume.
- A tiny piece of matter.
- A substance made up of only one type of atom.
Down
- A solution with a pH less than 7.
- A homogeneous mixture of two or more substances.
- A solution with a pH greater than 7.
- Two or more atoms bonded together.
- The smallest unit of an element.
- State of matter with a fixed volume but no fixed shape.
10 Clues: A tiny piece of matter. • The smallest unit of an element. • A solution with a pH less than 7. • Two or more atoms bonded together. • A solution with a pH greater than 7. • A substance made up of only one type of atom. • State of matter with no fixed shape or volume. • State of matter with a fixed shape and volume. • A homogeneous mixture of two or more substances. • ...
Chemistry 2024-05-08
Across
- A substance that is physically mixed but not chemically joined
- A solid substance that can dissolve in water
- A liquid which can dissolve a solute
- A solid substance that cannot dissolve in water
- Two or more substances that are chemically joined together
- A solution in which no more solute can be dissolved
Down
- A substance that cannot be easily separated
- When compounds are broken up into their elements using electricity
- A substance that can be dissolved
- A substance that cannot be broken down into anything simpler
- A substance that can be dissolved
11 Clues: A substance that can be dissolved • A substance that can be dissolved • A liquid which can dissolve a solute • A substance that cannot be easily separated • A solid substance that can dissolve in water • A solid substance that cannot dissolve in water • A solution in which no more solute can be dissolved • Two or more substances that are chemically joined together • ...
Chemistry 2024-04-24
10 Clues: hold atoms together • electrons are shared • negatively changed ions • even sharing of electrons • electrons are transferred • uneven sharing of electrons • coming/ forcing to be together • ions that are positively charged • energy released thru a chemical reaction • a group of atoms that have electric charge
CHEMISTRY 2024-07-03
Across
- What is the hardest natural substance?
- Decomposition reaction?
- Exothermic reaction?
- What type of bond is found in diamond?
Down
- What is the most abundant metal in the Earth's crust?
- Which element forms the basis of organic chemistry?
- Which non-metal is essential for respiration?
- What is the common name for CH₄?
- What is the taste of acids?
- What color does litmus paper turn in a base?
10 Clues: Exothermic reaction? • Decomposition reaction? • What is the taste of acids? • What is the common name for CH₄? • What is the hardest natural substance? • What type of bond is found in diamond? • What color does litmus paper turn in a base? • Which non-metal is essential for respiration? • Which element forms the basis of organic chemistry? • ...
Chemistry 2024-08-09
Across
- Has a fixed volume but an unfixed shape
- Group 1 of the periodic table.
- contains two or more elements. Cannot be separated by physical means.
- Gases Group 18 of the periodic table.
- Group 17 of the periodic table
- substances that aren't chemically combined
Down
- Group 2 of the periodic table
- Has an unfixed volume and shape
- made up of one type of atom
- Has a fixed volume and shape.
10 Clues: made up of one type of atom • Group 2 of the periodic table • Has a fixed volume and shape. • Group 1 of the periodic table. • Group 17 of the periodic table • Has an unfixed volume and shape • Gases Group 18 of the periodic table. • Has a fixed volume but an unfixed shape • substances that aren't chemically combined • ...
Chemistry 2023-01-30
10 Clues: solute • colloid • surfactant • efflorescence • nonelectrolyte • aqueoussolution • solubilitycurve • saturatedsolution • homogeneousmixtures • supersaturatedsolution
chemistry 2023-03-09
Across
- electron transfer or electron sharing proceeds until an atom has acquired an octet of electrons
- a chemical bond between two or more atoms
- The smallest part of a substance that cannot be broken down
- a change of materials into another
- attraction between oppositely charged ions
- a group of atoms bonded together
Down
- the electrostatic attractive force between conduction electrons
- shows the elements that make up the compound
- sharing of one or more pairs of electrons between two atoms
- A small particle with a negative charge that is found in all atoms
10 Clues: a group of atoms bonded together • a change of materials into another • a chemical bond between two or more atoms • attraction between oppositely charged ions • shows the elements that make up the compound • sharing of one or more pairs of electrons between two atoms • The smallest part of a substance that cannot be broken down • ...
CHEMISTRY 2023-04-17
Across
- (a substance made by mixing other substances together)
- (a subatomic particle of about the same mass as a proton without and electrical charge)
- (relating to atom or atoms )
- (a stable subatomic particle occuring in all atomic nuclei)
- (an amount of matter in a certain space)
Down
- (a large amount of matter in a particle or object)
- (a basic part of a whole
- (an ability to transfer energy)
- (a thing that is composed of two or more separate elements; a mixture)
- (a basic unit of a chemical element )
10 Clues: (a basic part of a whole • (relating to atom or atoms ) • (an ability to transfer energy) • (a basic unit of a chemical element ) • (an amount of matter in a certain space) • (a large amount of matter in a particle or object) • (a substance made by mixing other substances together) • (a stable subatomic particle occuring in all atomic nuclei) • ...
Chemistry 2023-04-14
Across
- The quantity of matter contained in an atom of an element
- A solid material that is typically hard, shiny
- The number of protons in the nucleus of an atom
- A small particle with a negative charge.
- The number of. atoms of that element.
Down
- A substance made from two or more different elements that have been chemically joined.
- A small, positively charged particle of matte
- Anything that takes up space.
- The particles in an atom that have a neutral charge.
- The branch of science that deals with the properties, composition, and structure of elements and compounds.
10 Clues: Anything that takes up space. • The number of. atoms of that element. • A small particle with a negative charge. • A small, positively charged particle of matte • A solid material that is typically hard, shiny • The number of protons in the nucleus of an atom • The particles in an atom that have a neutral charge. • ...
Chemistry 2023-04-14
Across
- Columns of elements on the periodic table
- The single digit number above the elements on periodic table
- Letters for elements on the periodic table
- Anything that takes up space and can be weighed
- Doesn't result in a new substance
Down
- Results in a substance
- Organizes chemical elements
- Reaction to temperature change or chemicals added
- More than 1 different elements combined
- Rows with elements on the periodic table
10 Clues: Results in a substance • Organizes chemical elements • Doesn't result in a new substance • More than 1 different elements combined • Rows with elements on the periodic table • Columns of elements on the periodic table • Letters for elements on the periodic table • Anything that takes up space and can be weighed • Reaction to temperature change or chemicals added • ...
Chemistry 2023-04-14
Across
- A subatomic particle located in the nucleus that has a positive charge
- The number on the top of each element, also tells us the amount of protons
- The ability to break or snap very easily
- The characteristic of a metal with the ability to shine
- the cloud surrounding the nucleus in an atom
- a table arranged in a specific order that shows us every element and their characteristics using numbers, groups, and periods
Down
- an object that easily transfers energy(mostly heat)
- Located in the electron cloud, this subatomic particle has a negative charge and weighs barely anything
- an object that possesses characteristics of both metals and non-metals
- the outermost electron in the electron cloud
10 Clues: The ability to break or snap very easily • the outermost electron in the electron cloud • the cloud surrounding the nucleus in an atom • an object that easily transfers energy(mostly heat) • The characteristic of a metal with the ability to shine • A subatomic particle located in the nucleus that has a positive charge • ...
chemistry 2023-04-14
Across
- makes balloons float in air
- what we need to breath
- chemical noble gas
- sometimes people wear it as jewelry
- positively charged subatomatic particle
Down
- univalent poisonous gaseous halogen
- known as natural gas
- chemical element with atomatic number 7
- can be found in soil and can be crystal at room temp.
- naturally in food and a dietary supplement
10 Clues: chemical noble gas • known as natural gas • what we need to breath • makes balloons float in air • univalent poisonous gaseous halogen • sometimes people wear it as jewelry • chemical element with atomatic number 7 • positively charged subatomatic particle • naturally in food and a dietary supplement • can be found in soil and can be crystal at room temp.
Chemistry 2023-03-17
Across
- What kind of reactions release heat?
- Most reactive non-metal.
- The 4th noble gas.
- A reaction in written form.
- Another name for acetylene.
Down
- The second element of the periodic table.
- The most common element in the universe.
- In what kind of state is H20 at room temperature?
- Result of a reaction.
- An element with a molecular mass of 16.
10 Clues: The 4th noble gas. • Result of a reaction. • Most reactive non-metal. • A reaction in written form. • Another name for acetylene. • What kind of reactions release heat? • An element with a molecular mass of 16. • The most common element in the universe. • The second element of the periodic table. • In what kind of state is H20 at room temperature?
chemistry 2023-08-13
Across
- the action of being moved apart
- the substance that flows freely
- a body temperature above normal
- particles filling the the whole container
- firm and stable in shape
Down
- liquid that has gone through a process of filtration
- a minute portion of matter
- pouring from one container into another
- holding as much water as can be absorbed
- a substance made by mixing other substances together
10 Clues: firm and stable in shape • a minute portion of matter • the action of being moved apart • the substance that flows freely • a body temperature above normal • pouring from one container into another • holding as much water as can be absorbed • particles filling the the whole container • liquid that has gone through a process of filtration • ...
Chemistry 2023-08-13
Across
- a small discrete amount of something.
- a substance made by mixing other substances together.
- holding as much water as can be absorbed
- firm and stable in shape.
- the action of being moved apart.
- particles filling the whole container.
Down
- liquid that has gone through the process of filtration
- a body temperature that is above normal.
- pouring from one container into another
- a substance that flows freely.
10 Clues: firm and stable in shape. • a substance that flows freely. • the action of being moved apart. • a small discrete amount of something. • particles filling the whole container. • pouring from one container into another • a body temperature that is above normal. • holding as much water as can be absorbed • a substance made by mixing other substances together. • ...
chemistry 2021-11-16
Across
- absorbs energy
- releases energy
- a substance used to speed up the reaction
- the yield of the reactants
- can cause a heat release, or color change
Down
- can increase with heat, or slow down when cooled
- can speed up a chemical reaction or slow it down
- two or more substances mixed to get a product
- The amount of a pure substance
- the "equal sign" of chemistry
10 Clues: absorbs energy • releases energy • the yield of the reactants • the "equal sign" of chemistry • The amount of a pure substance • a substance used to speed up the reaction • can cause a heat release, or color change • two or more substances mixed to get a product • can increase with heat, or slow down when cooled • can speed up a chemical reaction or slow it down
chemistry 2021-11-19
Across
- what's the noxious gas in cigrette
- what's the composition of diamond
- Supporting gas for most of the living creature
- The building element in your bone
- The radiated element that function as source of nuclear fuel
- 1st element in the periodic table
Down
- what's the name of the liquid without color,smell or tase and it's used for drinking
- The element be honored as a 'curing element' and has the same pronunciation as chinese word heart.
- The general name of substance used to digest food in your stomach
- It is the name of a planet and also the name of an element
10 Clues: what's the composition of diamond • The building element in your bone • 1st element in the periodic table • what's the noxious gas in cigrette • Supporting gas for most of the living creature • It is the name of a planet and also the name of an element • The radiated element that function as source of nuclear fuel • ...
chemistry 2021-12-08
10 Clues: has a neutral charge • has a positive charge • can hold 18 electrons • has a negitive charge • in the center of a atom • can only hold 2 electrons • can only hold 8 electrons • smallest part of an element • where electrons are located • 1 type of atom,know as a pure substance
Chemistry 2022-04-13
Across
- reaction a change of physical form
- shiny and reflective
- a positive electric charge
- the center of an atom
- a substance that cannot be decomposed into another substance
- a row of chemical elements
Down
- can hold electricity
- the amount of space an object takes up
- two elements formed together
- the ability to become another object when pressed
10 Clues: can hold electricity • shiny and reflective • the center of an atom • a positive electric charge • a row of chemical elements • two elements formed together • reaction a change of physical form • the amount of space an object takes up • the ability to become another object when pressed • a substance that cannot be decomposed into another substance
Chemistry!! 2022-04-13
Across
- the simplest structural unit of an element or compound
- is an atom or molecule that has gained or lost one or more electrons.
- the smallest component of an element
- electron are the atom's outermost electrons.
- is a group of elements sharing similar properties.
- a subatomic particle with zero charge
Down
- a stable particle with positive charge
- A negatively charged particle that comprises the external part of the atom
- a row (left to right) of the periodic table.
- relating to or containing an alkali
10 Clues: relating to or containing an alkali • the smallest component of an element • a subatomic particle with zero charge • a stable particle with positive charge • a row (left to right) of the periodic table. • electron are the atom's outermost electrons. • is a group of elements sharing similar properties. • the simplest structural unit of an element or compound • ...
Chemistry 2022-04-05
Across
- only one product is formed, usually only two reactants
- the ratio of the actual yield to the theoretical yield, multiplied by 100
- calculations involving the mass relationships of elements in compounds
- the substance that holds back the product from being fully produced
Down
- One element replaces its a similar element in a compound, also known as "home wreckers"
- A reaction that always produces H20 and CO2
- the process in which an electric current is used to produce a chemical reaction, such as the decomposition of water
- a compound breaks down into two or more elements
- how much is actually produced in a reaction
- the substance that is not used up completely in a reaction
10 Clues: A reaction that always produces H20 and CO2 • how much is actually produced in a reaction • a compound breaks down into two or more elements • only one product is formed, usually only two reactants • the substance that is not used up completely in a reaction • the substance that holds back the product from being fully produced • ...
Chemistry 2022-05-19
Across
- not evenly mixed together, you can still see the different pieces (ex. salad, or oil and water)
- Organizes elements (created by Mendeleev)
- 2 or more atoms of different elements bonded together.
Down
- vertical columns on the periodic table; elements are similar
- horizontal rows on the periodic table
- Electrons located in the outermost shell; helps figure out which elements can bond
- Cannot be broken down, located on the periodic table.
- Two or more compounds mixed together
- can bend
- Basic unit of an element. Found in everything, living and nonliving.
10 Clues: can bend • Two or more compounds mixed together • horizontal rows on the periodic table • Organizes elements (created by Mendeleev) • Cannot be broken down, located on the periodic table. • 2 or more atoms of different elements bonded together. • vertical columns on the periodic table; elements are similar • ...
Chemistry 2025-01-14
10 Clues: neutral charge • pure substance • positive charge • negative charge • barley packed atoms • tightly packed atoms • loosely packed atoms • anything that takes up space • elements chemically combined • 2 or more elements physically combined
Chemistry 2025-02-07
Across
- A kind of matter with uniform properties
- table table filled with every element
- Any substance that has mass and takes up space
- Substance made up of two or more different chemical elements combined in a fixed ratio
- A type of cell that receives and sends messages from the body to the brain
Down
- Substance made by mixing other substances together
- Measurement that refers to the amount of matter that makes up an object
- A subatomic atom particle that is found in all atoms
- Tells you that a change has taken place in a equation
- A stable subatomic particle occurring in all atomic nuclei
10 Clues: table table filled with every element • A kind of matter with uniform properties • Any substance that has mass and takes up space • Substance made by mixing other substances together • A subatomic atom particle that is found in all atoms • Tells you that a change has taken place in a equation • A stable subatomic particle occurring in all atomic nuclei • ...
Chemistry 2025-02-18
Chemistry 2025-02-25
Across
- A substance that accepts hydrogen ions in solution.
- A group of atoms bonded together.
- The smallest unit of an element.
- A substance made from two or more elements chemically combined.
- A table that organizes all known elements.
Down
- A process in which substances are transformed into new substances.
- A pure substance made of only one type of atom.
- A homogeneous mixture of a solute dissolved in a solvent.
- A substance that donates hydrogen ions in solution.
- A connection between atoms in a molecule.
10 Clues: The smallest unit of an element. • A group of atoms bonded together. • A connection between atoms in a molecule. • A table that organizes all known elements. • A pure substance made of only one type of atom. • A substance that accepts hydrogen ions in solution. • A substance that donates hydrogen ions in solution. • ...
Chemistry 2024-01-08
Across
- The dense center of an atom that contains positively charged protons and neutral neutrons.
- The number of protons in an atom.
- Negatively charged subatomic particle located outside the nucleus of an atom in the electron cloud.
- Small particles that make up the atom of an element. Include protons, neutrons, and electrons.
- The measurement of the size of an atom (includes the nucleus and electron cloud).
Down
- An abbreviation of the chemical name of an element.
- The number of protons plus neutrons in an atom.
- A subatomic particle in the nucleus of an atom that has no charge.
- A positive subatomic particle in the nucleus of an atom.
- The area surrounding the nucleus within an atom that contains negatively charged subatomic particles.
10 Clues: The number of protons in an atom. • The number of protons plus neutrons in an atom. • An abbreviation of the chemical name of an element. • A positive subatomic particle in the nucleus of an atom. • A subatomic particle in the nucleus of an atom that has no charge. • The measurement of the size of an atom (includes the nucleus and electron cloud). • ...
Chemistry 2024-01-04
Across
- An observable and measurable physical characteristic.
- Substance's ability to be dissolved into another substance.
- To attract and repel magnetic forces.
- The amount of space in a substance where liquid or air can pass through.
- Ability of matter to burn.
- The temperature where a liquid changes to a gas.
Down
- Ability of a substance to react with another substance combining chemically.
- The temperature where a solid turns to a liquid.
- A substance’s ability to conduct electricity.
- Smell.
10 Clues: Smell. • Ability of matter to burn. • To attract and repel magnetic forces. • A substance’s ability to conduct electricity. • The temperature where a solid turns to a liquid. • The temperature where a liquid changes to a gas. • An observable and measurable physical characteristic. • Substance's ability to be dissolved into another substance. • ...
Chemistry 2023-12-21
Across
- an atom that gains or loses an electron.
- molecule that shares electrons equally and does not have oppositely charged ends.
- a covalent bond in which the electrons are not shared equally, resulting in a slightly positive end and a slightly negative end.
- covalently bonded group of atoms.
Down
- chemical shorthand that uses symbols to tell what elements are in a compound and their ratios.
- attraction of two atoms for a shared pair of electrons that holds the atoms together.
- molecule with oppositely charged regions.
- a covalent bond in which electrons are shared equally by both atoms.
- attractive force between two ions with opposite charge.
- a neutral particle that forms as a result of electron sharing among atoms.
10 Clues: covalently bonded group of atoms. • an atom that gains or loses an electron. • molecule with oppositely charged regions. • attractive force between two ions with opposite charge. • a covalent bond in which electrons are shared equally by both atoms. • a neutral particle that forms as a result of electron sharing among atoms. • ...
Chemistry 2023-11-03
Across
- a negatively charge subatomic particle circling the nucleus in clouds
- ex: Proteins, Lipids, carbs , and nucleic acids
- two or more atoms connected by chemical bonds, which form the smallest unit of a substance that retains the composition and properties of that substance
- a positively charged subatomic particle located in the nucleus of an atom
- Solute+Solvent
Down
- anything that has mass and volume
- a science that deals with the composition, structure, and properties of substances and of the transformations that they undergo
- a pure substance that cannot be broken down anymore
- a substance made of two or more elements chemically combined in a specific ratio
- a subatomic particle without a charge located in the nucleus of an atom
10 Clues: Solute+Solvent • anything that has mass and volume • ex: Proteins, Lipids, carbs , and nucleic acids • a pure substance that cannot be broken down anymore • a negatively charge subatomic particle circling the nucleus in clouds • a subatomic particle without a charge located in the nucleus of an atom • ...
chemistry 2023-11-05
10 Clues: solid material • share electrons • atom or molecule • transfer electrons • force of attraction • positively charged ion • negatively charged ion • group of 2 or more atoms • forming of chemical bonds • lack characteristics of metals
