chemistry Crossword Puzzles

Chemistry 2021-06-14

Across

a plastic material obtained by polymerisation of ethylene
plastic that can be moulded again and again
plastic that can be moulded only once
a synthetic Fibre obtained by the polymerisation of acrilonitrite

Down

the process of linking monomers to form polymer
a synthetic Fibre that can be moulded easily
First synthetic Fibre
Fibres made by human beings
formed by a chain of monomers
Each unit of polymer

10 Clues: Each unit of polymer • First synthetic Fibre • Fibres made by human beings • formed by a chain of monomers • plastic that can be moulded only once • plastic that can be moulded again and again • a synthetic Fibre that can be moulded easily • the process of linking monomers to form polymer • a plastic material obtained by polymerisation of ethylene • ...

chemistry 2021-08-20

Across

human activities
studies the fate and effects of potentially hazardous chemicals
stands for drivers, pressures, state, impacts & responses
implications of these effects on higher levels of biological organization

Down

humans needs
human interventions
ecosystem/environment
the fate of substances in the enviornment
effects of substances on living organism
ecosystem services

10 Clues: humans needs • human activities • ecosystem services • human interventions • ecosystem/environment • effects of substances on living organism • the fate of substances in the enviornment • stands for drivers, pressures, state, impacts & responses • studies the fate and effects of potentially hazardous chemicals • ...

Chemistry 2021-09-20

Across

Where the electrons stay in an atom
Chemically connected
Smallest particle of substance
Neutrally charged

Down

Not chemically combined and can be separated
Negatively charged
Table List of elements
Substances made up of the same type of atom
Where the neutrons and protons stay in an atom
Positively charged

10 Clues: Neutrally charged • Negatively charged • Positively charged • Chemically connected • Table List of elements • Smallest particle of substance • Where the electrons stay in an atom • Substances made up of the same type of atom • Not chemically combined and can be separated • Where the neutrons and protons stay in an atom

Chemistry 2021-12-03

Across

configuration arrangement of electrons
s,p,d,f
eye area
not ductile, malleable, or conductive
good conductors of current and heat
number of wavelengths that pass

Down

electrons on the outermost level
particles of light
properties of metals and nonmetals
distance between two parts of a wave

10 Clues: s,p,d,f • eye area • particles of light • number of wavelengths that pass • electrons on the outermost level • properties of metals and nonmetals • good conductors of current and heat • distance between two parts of a wave • not ductile, malleable, or conductive • configuration arrangement of electrons

chemistry 2022-03-03

Across

The opposite
when ice melts it turns into
lightest state of matter
The same
a distinct feature
how compact

Down

doesn't change color
multiple elements
many atoms
hardest state of matter

10 Clues: The same • many atoms • how compact • The opposite • multiple elements • a distinct feature • doesn't change color • hardest state of matter • lightest state of matter • when ice melts it turns into

chemistry 2022-02-24

Across

using the energy that is created when an atom is divided
a person who studies chemistry, or a scientist who works with chemicals or studies their reactions
a standard or accepted way of doing or making something
used to describe an isomer (= one of a group of similar chemical substances) in which the atoms are arranged on opposite sides of the molecule, especially on opposite sides of a carbon bond (= connected carbon atoms)

Down

a glass or plastic container used in chemistry
a substance other than water that is the product of a condensation reaction (= a chemical reaction in which two molecules combine to form a larger molecule, and a small molecule that is lost)
any basic substance that is used in or produced by a reaction involving changes to atoms or molecules
a substance, usually a liquid, that electricity can go through, or that separates into its parts when electricity goes through it
the shape or structure of an animal
a measure of how much a substance reacts when it is mixed with another substance

10 Clues: the shape or structure of an animal • a glass or plastic container used in chemistry • a standard or accepted way of doing or making something • using the energy that is created when an atom is divided • a measure of how much a substance reacts when it is mixed with another substance • ...

Chemistry 2021-07-21

Across

ion responsible for the neutralisation of charge
reason for preferential adsorption
settling down of particles
conversion of precipitate to colloid
two layers of opposite charges around the colloidal particle

Down

another name for coagulation
minimum conc. of an electrolyte in millimoles/litre causing precipitation of sol
potential difference between the fixed layer and diffused layer of opp charges
action done during peptization to convert precipitate into a colloid
mixing of oppositely charged sols neutralise their charges

10 Clues: settling down of particles • another name for coagulation • reason for preferential adsorption • conversion of precipitate to colloid • ion responsible for the neutralisation of charge • mixing of oppositely charged sols neutralise their charges • two layers of opposite charges around the colloidal particle • ...

Chemistry 2022-01-07

Across

To expand freely and possibly be toxic
The action to move
A substance that flows freely but is wet
To mix up different substance
The process of turning from liquid to vapor
Holding no liqiud that's absorbed

Down

Holding as much liquid that can be absored
To mesure the coldnest or hotnest
The strength to break something with power
The process of filtering something

10 Clues: The action to move • To mix up different substance • To mesure the coldnest or hotnest • Holding no liqiud that's absorbed • The process of filtering something • To expand freely and possibly be toxic • A substance that flows freely but is wet • Holding as much liquid that can be absored • The strength to break something with power • ...

Chemistry 2022-01-10

Across

Isotopes have a different number of..?
What type of energy is needed to start a reaction
What must occur between particles to react?
What type of test is used to identify metal ions?
Substances that only contain one thing are considered what?

Down

What is formed when halogens react with alkali metals?
How reactive are Group 1 metals
Ions with opposite charges form what type of bond?
Biological catalysts
Iron reactions with oxygen and what else to form rust?

10 Clues: Biological catalysts • How reactive are Group 1 metals • Isotopes have a different number of..? • What must occur between particles to react? • What type of energy is needed to start a reaction • What type of test is used to identify metal ions? • Ions with opposite charges form what type of bond? • What is formed when halogens react with alkali metals? • ...

Chemistry 2022-01-10

Across

The Person that discovered most of the noble gases (last name).
The element, which is needed to manufacture most microchips.
A method, which is used to separate chemical compounds.
The name of the group in the periodic table that contains oxygen.
The name of the only non-metal element that is a liquid at room temperature.

Down

The field of study that revolves around the chemistry of carbon compounds(... chemistry).
The name of the person that discovered the element radium(last name).
The element that is named after the inventor of the periodic table.
The element, which our atmosphere is mostly composed of.
The alcohol, which is derived of methane.

10 Clues: The alcohol, which is derived of methane. • A method, which is used to separate chemical compounds. • The element, which our atmosphere is mostly composed of. • The element, which is needed to manufacture most microchips. • The Person that discovered most of the noble gases (last name). • The name of the group in the periodic table that contains oxygen. • ...

Chemistry 2022-04-12

Across

a process in which one or more substances are converted to one or more different substances
a particle that has a mass nearly equal to that of the proton but no electrical charge
a measure of how much a substance tends to react with other things
changes in matter that do not change what the matter is (change in color, texture, shape or state)
the branch of science that studies the properties of matter and how matter interacts with energy

Down

a very small particle that exists in the nucleus of every atom and has a positive charge of electricity.
the shiny quality of a surface that reflects light
anything that has weight and takes up space
the center of an atom
the smallest building blocks of matter and make up everything around us

10 Clues: the center of an atom • anything that has weight and takes up space • the shiny quality of a surface that reflects light • a measure of how much a substance tends to react with other things • the smallest building blocks of matter and make up everything around us • a particle that has a mass nearly equal to that of the proton but no electrical charge • ...

Chemistry 2022-04-14

Across

easily broken cracked, or snapped
study of substances
a notation of one or two letters representing a chemical element.
table table of the chemical elements arranged
a component of an atomic nucleus with a mass defined as 1 and a charge of positive 1

Down

fixed distances from the nucleus of an atom where electrons may be found
basic building block of chemistry
the appearance of a mineral surface in terms of its light reflective qualities
material which contains movable electric charges
a column in the periodic table of the chemical elements

10 Clues: study of substances • basic building block of chemistry • easily broken cracked, or snapped • table table of the chemical elements arranged • material which contains movable electric charges • a column in the periodic table of the chemical elements • a notation of one or two letters representing a chemical element. • ...

chemistry 2022-04-13

Across

a process that involves rearrangement
chemical bond if the outer shell nucleus
negative charge
neutral charge

Down

amount of energy that a system described
the system of electron
positive charge
the horizontal rows of the periodic
periodic table same chemical elements
source of nuclear energy

10 Clues: neutral charge • positive charge • negative charge • the system of electron • source of nuclear energy • the horizontal rows of the periodic • a process that involves rearrangement • periodic table same chemical elements • amount of energy that a system described • chemical bond if the outer shell nucleus

chemistry 2022-04-13

Across

a process that involves rearrangement
chemical bond if the outer shell nucleus
negative charge
neutral charge

Down

amount of energy that a system described
the system of electron
positive charge
the horizontal rows of the periodic
periodic table same chemical elements
source of nuclear energy

chemistry 2022-04-13

Across

a process that involves rearrangement
chemical bond if the outer shell nucleus
negative charge
neutral charge

Down

amount of energy that a system described
the system of electron
positive charge
the horizontal rows of the periodic
periodic table same chemical elements
source of nuclear energy

Chemistry 2022-04-13

Across

a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
a material or object that permits an electric current to flow easily
atoms as a source of nuclear energy.
the appearance of a mineral surface in terms of its light-reflective qualities

Down

a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
a thing that is composed of two or more separate elements; a mixture.
the property of a material that fractures when subjected to stress but has a little tendency to deform before rupture
level he fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have.
the ability of a material to be drawn or plastically deformed without fracture.

10 Clues: atoms as a source of nuclear energy. • a material or object that permits an electric current to flow easily • a thing that is composed of two or more separate elements; a mixture. • the appearance of a mineral surface in terms of its light-reflective qualities • the ability of a material to be drawn or plastically deformed without fracture. • ...

Chemistry ;) 2021-09-17

Across

covalent bond atoms with different electronegativities share electrons in a covalent bond
combines two or more elements
pure substances that cannot be broken down into simpler substances
an atoms attractiveness to electrons

Down

the process by which green plants and some other organisms use sunlight to synthesize foods
smallest unit of matter that retains properties of an element
covalent bond the bonding electrons are shared equally between the two atoms
bond the force that holds atoms together in a chemical compound.
the central and most important part of an object
combined with Oxygen and Hydrogen

10 Clues: combines two or more elements • combined with Oxygen and Hydrogen • an atoms attractiveness to electrons • the central and most important part of an object • smallest unit of matter that retains properties of an element • bond the force that holds atoms together in a chemical compound. • pure substances that cannot be broken down into simpler substances • ...

Chemistry 2022-04-18

Across

green gas that is used for sterilizing water
solution of NaCl and NaOCl
halide ion that does not dissolve in ammonia after the silver nitrate test
Thermal stability is defined as the ability of a substance to resist____________ when heat is introduced to it
Type of ions the Group 7 elements make

Down

The only liquid in Group 7
most powerful Group 7 oxidizing agent
Other ions formed when Chlorine gas reacts with concentrated NaOH
what happens to boiling point as you go down the group
name given to elements in Group 7 on the periodic table

10 Clues: The only liquid in Group 7 • solution of NaCl and NaOCl • most powerful Group 7 oxidizing agent • Type of ions the Group 7 elements make • green gas that is used for sterilizing water • what happens to boiling point as you go down the group • name given to elements in Group 7 on the periodic table • Other ions formed when Chlorine gas reacts with concentrated NaOH • ...

Chemistry 2017-03-03

Across

What is the main substance in burning reaction?
This is one of the most spread gas
Another name for unsaturated hydrocarbon
When we talk about radical that gravitates to particle with negative charge, we called it ...
This is name of chemical element that is number 29 in periodic table

Down

The lightest chemical element called...
It is name of person who created one of the most popular chemical table
The rule for electrophilic addition reaction was created by this man
What is chemisrty teacher`s name?
It consists of protons and neutrons

10 Clues: What is chemisrty teacher`s name? • This is one of the most spread gas • It consists of protons and neutrons • The lightest chemical element called... • Another name for unsaturated hydrocarbon • What is the main substance in burning reaction? • The rule for electrophilic addition reaction was created by this man • ...

Chemistry 2017-02-07

Across

the amount of protons in an element
a sub atomic particle with no electrical charge
a positively charged sub atomic particle found in the nucleus of an atom
a negatively charged sub atomic particle found on the outside of an atom
a group of atoms bound together

Down

a mixture that is unevenly distributed
a mixture that is evenly distributed
the amount of space an object takes up
the basic unit of a chemical element
the amount of matter an object has

10 Clues: a group of atoms bound together • the amount of matter an object has • the amount of protons in an element • a mixture that is evenly distributed • the basic unit of a chemical element • a mixture that is unevenly distributed • the amount of space an object takes up • a sub atomic particle with no electrical charge • ...

chemistry 2017-02-07

Across

a change that does not change the chemistry of the object
a properties some metals have that they are very easy to roll into a wire
a subatomic particle with a positive charge
a properties that metals have to be hard but able to be hammered into other shapes
a subatomic particle with no charge

Down

when a usually solid thing appears which means the reaction created a new substance
a subatomic particle with a negative charge
when water gets very hot and changes into a gas state
a change that changes the chemistry of the object
its like the brain of the cell

10 Clues: its like the brain of the cell • a subatomic particle with no charge • a subatomic particle with a negative charge • a subatomic particle with a positive charge • a change that changes the chemistry of the object • when water gets very hot and changes into a gas state • a change that does not change the chemistry of the object • ...

Chemistry 2017-02-20

Across

The staircase column highlight in the Periodic Table
Number of protons and electrons
Can't be changed (rust)

Down

Can be changed back. (water, ice, water vapor)
On the right to center sides on the Periodic Table
The periodic Table of elements are all considered...
Its a pure substance, not an element but a...
On the left side on the Periodic Table
You find this in the Periodic Table
Physical combination of 2 or more substances

10 Clues: Can't be changed (rust) • Number of protons and electrons • You find this in the Periodic Table • On the left side on the Periodic Table • Physical combination of 2 or more substances • Its a pure substance, not an element but a... • Can be changed back. (water, ice, water vapor) • On the right to center sides on the Periodic Table • ...

Chemistry 2017-02-17

Across

The smallest unit of a chemical compound
The vertical lines of the Periodic Table
The element's electrons on the outer rim
The number that tells how much an atom in the element weighs
The way that elements are organized in their groups

Down

The horizontal rows on the Periodic Table
This rule states that an element has to have 8 valence electrons to make a chemical bond
Elements that can be found on the left/middle of the Periodic Table
The number that tells how many protons an element has
Elements that can be found on the right side of the Periodic Table

10 Clues: The smallest unit of a chemical compound • The vertical lines of the Periodic Table • The element's electrons on the outer rim • The horizontal rows on the Periodic Table • The way that elements are organized in their groups • The number that tells how many protons an element has • The number that tells how much an atom in the element weighs • ...

Chemistry 2018-01-19

Across

Unit of measurement obtained by multiplication or division of the base units of a system
Antonym of results that are close together, but not accurate
Anything with mass and takes up space
The same throughout
Antonym of part
Synonym of capacity

Down

Synonym of substance
Synonym of diversity
Makes up everything
The antonym of something that is chemically combined

10 Clues: Antonym of part • Makes up everything • The same throughout • Synonym of capacity • Synonym of substance • Synonym of diversity • Anything with mass and takes up space • The antonym of something that is chemically combined • Antonym of results that are close together, but not accurate • Unit of measurement obtained by multiplication or division of the base units of a system

Chemistry 2018-02-05

Across

/ anything that has mass and volume
/ two or more atoms
/ two or more atoms together that are the same
/ visible; different substances to see all parts
/ more than one type of atom combined chemically

Down

Change / occurs when one or more physical properties of the same substance are changed
/ two or more substances that are physically combined
/ all the substances all the same throughout the substance
/ tiny particle of matter
Change / occurs when one or more substances are changed into new substances with different properties

10 Clues: / two or more atoms • / tiny particle of matter • / anything that has mass and volume • / two or more atoms together that are the same • / visible; different substances to see all parts • / more than one type of atom combined chemically • / two or more substances that are physically combined • / all the substances all the same throughout the substance • ...

Chemistry 2016-05-23

Across

substance doing the dissolving
reactant/ reactant that limits amount of product that can be formed
device that measures pressure
can dissolve more
yield/ numbers you actual collect in a lab
number found in front of compound's formula

Down

measure of amount of solute in a given amount of solvent or solution
ability to dissolve
force that holds two or more atoms together
Always starts with H

10 Clues: can dissolve more • ability to dissolve • Always starts with H • device that measures pressure • substance doing the dissolving • yield/ numbers you actual collect in a lab • force that holds two or more atoms together • number found in front of compound's formula • reactant/ reactant that limits amount of product that can be formed • ...

Chemistry 2018-12-26

Across

The state of matter that has both a definite volume and a definite shape.
The state of matter that has neither a definite volume and a definite shape.
Properties The properties that can be observed or measured.
The only subatomic particle that can move.
shell The outermost shell of an atom.

Down

A homogeneous mixture made from several ( more than two) substances.
It dissolves the solute in a solution.
The only subatomic particle without an electric charge.
Properties The properties of a substance that is undergoing a chemical change.
The state of matter that has a definite volume but not a definite shape.

10 Clues: shell The outermost shell of an atom. • It dissolves the solute in a solution. • The only subatomic particle that can move. • The only subatomic particle without an electric charge. • Properties The properties that can be observed or measured. • A homogeneous mixture made from several ( more than two) substances. • ...

chemistry 2019-10-15

Across

SUDA BATMAYAN NARIN TOZ
ƏN BƏRK MİNERAL
YÜKLÜ ZƏRRƏCİK
QARA METAL
MAYELƏŞMƏYƏN QAZ
XOŞ İYLİ QAZ

Down

KAUÇUKUN VULKANLAŞMA MƏHSULU
SİLİSİUMUN TƏBİİ MİNERALI
ƏN TEZ ƏRİYƏN METAL
KİMYƏVİ CƏHƏTDƏN BÖLÜNMƏYƏN ZƏRRƏCİK

10 Clues: QARA METAL • XOŞ İYLİ QAZ • YÜKLÜ ZƏRRƏCİK • ƏN BƏRK MİNERAL • MAYELƏŞMƏYƏN QAZ • ƏN TEZ ƏRİYƏN METAL • SUDA BATMAYAN NARIN TOZ • SİLİSİUMUN TƏBİİ MİNERALI • KAUÇUKUN VULKANLAŞMA MƏHSULU • KİMYƏVİ CƏHƏTDƏN BÖLÜNMƏYƏN ZƏRRƏCİK

Chemistry 2012-10-28

Across

which have negative charge.
which have a positive charge.
its atomic number is 6.
are neither created nor destroyed in chemical reactions.

Down

is made up of very small particle called atoms.
a primary substance that cannot be separated into simpler material.
he Dalton is considered the originator of modern atomic theory.
who formulated an atomic theory for the universe.
it's symbol is Zn.
he discover Brownian movement.

10 Clues: it's symbol is Zn. • its atomic number is 6. • which have negative charge. • which have a positive charge. • he discover Brownian movement. • is made up of very small particle called atoms. • who formulated an atomic theory for the universe. • are neither created nor destroyed in chemical reactions. • he Dalton is considered the originator of modern atomic theory. • ...

Chemistry 2013-02-27

Across

One property of a metal
acid + base > salt + .............
Which element has the most amount of letters
Finish this sentence: When metals react with non metals, they form .............compounds

Down

What type of variable do we measure
What salt is formed with hydrochloric acid
pH lower than 7
True or false, strong acids have low pH values
What is the state of carbon at room temperature
Steel is a mixture of carbon + .............

10 Clues: pH lower than 7 • One property of a metal • acid + base > salt + ............. • What type of variable do we measure • What salt is formed with hydrochloric acid • Which element has the most amount of letters • Steel is a mixture of carbon + ............. • True or false, strong acids have low pH values • What is the state of carbon at room temperature • ...

Chemistry 2013-12-09

Across

A stand that is used to support containers that is usually to be heated.
A substance that is able to dissolve solute.
Solid that is left in the filter paper during a filtering process.
A process of water when it is heated and turned to gas
The action of purifying a liquid by heating or cooling.

Down

An equipment used to transport a measured amount of liquid.
The change of the physical state of matter from gas to liquid.
A mixture of a solute and a solvent
A technique to separate mixtures (Usually liquid)
When a solid turns to gas without having to go through liquid state.

10 Clues: A mixture of a solute and a solvent • A substance that is able to dissolve solute. • A technique to separate mixtures (Usually liquid) • A process of water when it is heated and turned to gas • The action of purifying a liquid by heating or cooling. • An equipment used to transport a measured amount of liquid. • ...

chemistry 2014-02-12

Across

makes the periodic table and has an atom,proton,neutron,and electron
has 2 or more atoms
proton and neutrons added together
has a negative charge

Down

made up of protons and neutrons
gives a neutral charge
shows how many valence electrons a atoms have
a board the shows all the elements
shows how many energy levels an element has
decides the element

10 Clues: has 2 or more atoms • decides the element • has a negative charge • gives a neutral charge • made up of protons and neutrons • a board the shows all the elements • proton and neutrons added together • shows how many energy levels an element has • shows how many valence electrons a atoms have • makes the periodic table and has an atom,proton,neutron,and electron

Chemistry 2015-11-16

Across

What are particles always doing
What occupies space
What is matter made of
What does Ar stand for
What is a another word for touchable
What do humans breath out

Down

What happens to water when it is in a kettle
How does a liquid go to gas
How does liquid turn into a solid
What is frozen water

10 Clues: What occupies space • What is frozen water • What is matter made of • What does Ar stand for • What do humans breath out • How does a liquid go to gas • What are particles always doing • How does liquid turn into a solid • What is a another word for touchable • What happens to water when it is in a kettle

Chemistry 2014-12-14

Across

The closeness of measurements to the correct or accepted value of the quantity measured.
The distance between corresponding points on adjacent waves.
The closeness of a set of measurements of the same quantity made in the same way.
What element is [Xe]4f^14 5d^4 6s^2.
What element is 1s^2 2s^2 2p^3.

Down

The center of an atom.
6.0221367*10^23
The SI base unit for electric current.
Matter with no definite volume and no definite shape.
Mass divided by volume.

10 Clues: 6.0221367*10^23 • The center of an atom. • Mass divided by volume. • What element is 1s^2 2s^2 2p^3. • What element is [Xe]4f^14 5d^4 6s^2. • The SI base unit for electric current. • Matter with no definite volume and no definite shape. • The distance between corresponding points on adjacent waves. • ...

Chemistry 2014-05-28

Across

an atom that has a positive or negative charge
horizontal row in the periodic table
type of element that is a poor conductor of heat and electric current
a form of matter that has an indefinite shape
a form of matter that takes the shape of it's container
Good conductor of heat, ductile, malleable, shiny

Down

2 or more elements chemically combined
a form of matter that has a definite shape
vertical columns in the periodic table
a substance present at the start of a reaction

10 Clues: horizontal row in the periodic table • 2 or more elements chemically combined • vertical columns in the periodic table • a form of matter that has a definite shape • a form of matter that has an indefinite shape • an atom that has a positive or negative charge • a substance present at the start of a reaction • Good conductor of heat, ductile, malleable, shiny • ...

Chemistry 2023-10-27

Across

It is the chemical name for table salt.
It is the common name of H2O.
It is formed by the combination of ammonium ions (NH4+) and chloride ions (Cl-) and is used as a flux in soldering.
It consists of one carbon atom (C) sharing electrons with two oxygen atoms (O), forming double covalent bonds.

Down

Used as a solvent and fire extinguishing agent, it is a compound that consists of one carbon and four chlorine atoms.
It consists of potassium ions (K+) and bromide ions (Br-) and is used in photography and medicine.
This compound is used in fireproof materials and contains magnesium and oxygen.
It is a major component of natural gas that consists of one carbon atom and four hydrogen atoms.
A common ingredient in cleaning products, it consists of one nitrogen and three hydrogen atoms.
It is a compound found in limestone and seashells.

10 Clues: It is the common name of H2O. • It is the chemical name for table salt. • It is a compound found in limestone and seashells. • This compound is used in fireproof materials and contains magnesium and oxygen. • A common ingredient in cleaning products, it consists of one nitrogen and three hydrogen atoms. • ...

Chemistry 2023-10-16

Across

(of a bond)sharing a pair of electrons
a chemical element found in all living things, existing in a pure state as diamond
a quality or characteristic that something has
physical substance that everything in the world is made of
the part of an atom that contains most of its mass and that carries a positive electric charge

Down

the process of a liquid changing or being changed into a gas
a group of atoms that forms the smallest unit that a substance can be divided into without a change in its chemical nature
an occasion when two or more people or things communicate with or react to each other
that is very strong and cannot easily be destroyed
a substance formed by a chemical reaction of two or more elements

10 Clues: (of a bond)sharing a pair of electrons • a quality or characteristic that something has • that is very strong and cannot easily be destroyed • physical substance that everything in the world is made of • the process of a liquid changing or being changed into a gas • a substance formed by a chemical reaction of two or more elements • ...

Chemistry 2023-11-09

Across

what ratio of sodium to chloride ions
share electrons
positive charge
formula for a chemical compound

Down

bonds between nonmetals and metals
creates a new substance
negative charge
how an atom wants a complete valence electron
has three particles: protons, neutrons, and electrons
group of atoms held together with a chemical compound

10 Clues: negative charge • share electrons • positive charge • creates a new substance • formula for a chemical compound • bonds between nonmetals and metals • what ratio of sodium to chloride ions • how an atom wants a complete valence electron • has three particles: protons, neutrons, and electrons • group of atoms held together with a chemical compound

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 2024-01-05

Across

Elements in the same group or column have the same number of electrons present in energy levels within the outer shell of the electron cloud
Metals Less reactive, contain more valence electrons in outer energy levels.
is a change of a substance from one form to another without undergoing a change in composition
Metals Contain 2 valence electrons in outer energy levels
If an atom gains electrons it becomes negative and is called

Down

Elements with one valence electron that are very chemically reactive.
is an observable and measurable physical characteristic of matter
If an atom loses electrons it becomes positive and are called
is when one substance combines with another substance to make something completely new with different properties.
are atoms that have a positive or negative charge because they have an unequal number of protons and electrons

10 Clues: Metals Contain 2 valence electrons in outer energy levels • If an atom gains electrons it becomes negative and is called • If an atom loses electrons it becomes positive and are called • is an observable and measurable physical characteristic of matter • Elements with one valence electron that are very chemically reactive. • ...

Chemistry 2024-01-06

Across

Negatively charged subatomic particle located outside the nucleus of an atom in the electron cloud.
Types of atoms with the same number of protons or atomic number but have different numbers of neutrons resulting in different atomic mass units.
An abbreviation of the chemical name of an element.
A subatomic particle in the nucleus of an atom that has no charge.

Down

Small particles that make up the atom of an element. Include protons, neutrons, and electrons.
The number of protons in an atom.
A positive subatomic particle in the nucleus of an atom.
(AMU) The number of protons plus neutrons in an atom.
The area surrounding the nucleus within an atom that contains negatively charged subatomic particles.
The dense center of an atom that contains positively charged protons and neutral neutrons.

10 Clues: The number of protons in an atom. • An abbreviation of the chemical name of an element. • (AMU) The number of protons plus neutrons in an atom. • A positive subatomic particle in the nucleus of an atom. • A subatomic particle in the nucleus of an atom that has no charge. • The dense center of an atom that contains positively charged protons and neutral neutrons. • ...

Chemistry 2024-01-31

Across

Element(s) Before arrow
Anythings that has mass and takes up space
Elements are not equal on both sides of the equation
Building blocks of life

Down

The law that says no mass is created or destroyed
Element(s) After arrow
Two or more elements physically combined
A pure substance only made of one atom
Two or more elements chemically combined
Elements are equal on both sides of the equation

10 Clues: Element(s) After arrow • Element(s) Before arrow • Building blocks of life • A pure substance only made of one atom • Two or more elements physically combined • Two or more elements chemically combined • Anythings that has mass and takes up space • Elements are equal on both sides of the equation • The law that says no mass is created or destroyed • ...

Chemistry 2024-01-03

Across

Down

10 Clues: 3 • 5 • 7 • 4 • 9 • 1 • 8 • 2 • 6 • 10

chemistry 2022-06-13

Across

Down

10 Clues: He • Cu • Fe • Ca • Co • Au • Ar • Na • Hg • Ag

Chemistry 2022-10-26

Across

Ex:Proteins,Lipids,Carbs,and Nucleic Acids
solute+Solvent
mass divided by volume
Carbon,Hydrogen, nitrogen, oxygen…
resistance to flowing
Elements have one of

Down

study of matter, how it changes
Two of or more atoms make___
written below;tells how many zeros it has
no define shape

10 Clues: solute+Solvent • no define shape • Elements have one of • resistance to flowing • mass divided by volume • Two of or more atoms make___ • study of matter, how it changes • Carbon,Hydrogen, nitrogen, oxygen… • written below;tells how many zeros it has • Ex:Proteins,Lipids,Carbs,and Nucleic Acids

chemistry 2024-02-19

Across

the number of areas of electrons around a central atom
four
specific sides
gain electrons, has a negative charge

Down

occurs between nonmetals & nonmetals
valence shell electron pair repulsion
a bond between two metals
creates a bond angle of 180 degrees
LDR, Dipole-Dipole, Hydrogen Bonding
pairing up to gain stability

10 Clues: four • specific sides • a bond between two metals • pairing up to gain stability • creates a bond angle of 180 degrees • occurs between nonmetals & nonmetals • LDR, Dipole-Dipole, Hydrogen Bonding • valence shell electron pair repulsion • gain electrons, has a negative charge • the number of areas of electrons around a central atom

Chemistry 2024-08-09

Across

negative charge
not mixed
compound
positive charge
tin
wont let me do my psmt

Down

frozen water
banana
neutral
92 on the periodic table

10 Clues: tin • banana • neutral • compound • not mixed • frozen water • negative charge • positive charge • wont let me do my psmt • 92 on the periodic table

Chemistry 2024-06-03

Across

the smallest part of a substance
something that is lacking positive qualities
what type of formula is the original formula
A rule that atoms are always searching and prefer to have 8 electrons in the valence shell.
the element with the atomic number 7

Down

groups of atoms that are held together with chemical bonds
something that is lacking negative qualities
the name of the electrons that are located in the electron shell
what type of bond share their atoms
what type of bond transfer electrons

10 Clues: the smallest part of a substance • what type of bond share their atoms • what type of bond transfer electrons • the element with the atomic number 7 • something that is lacking negative qualities • something that is lacking positive qualities • what type of formula is the original formula • groups of atoms that are held together with chemical bonds • ...

Chemistry 2024-09-09

Across

Pure substance with only one type of atom
Two or more atoms bonded together
Basic unit of matter
Substance made of two or more different elements

Down

Negatively charged particle in an atom
Substance with a pH greater than 7
Table Chart of all known elements
Neutral particle found in the nucleus
Substance with a pH less than 7
Positively charged particle in the nucleus

10 Clues: Basic unit of matter • Substance with a pH less than 7 • Table Chart of all known elements • Two or more atoms bonded together • Substance with a pH greater than 7 • Neutral particle found in the nucleus • Negatively charged particle in an atom • Pure substance with only one type of atom • Positively charged particle in the nucleus • ...

Chemistry 2024-07-02

Across

name for sodium carbonate decahydrate
when an acid and a base react to form water and a salt
forms of carbon which are a type of allotropes of carbon that have a regular arrangement of carbon atoms in it
attacking of atmospheric gases such as oxygen on metals.
substances that determines whether a solution is an acid or a base primarily based on change in their characteristic colour or odour.

Down

a single reactant decomposes to form a number of products.
the interatomic linkage that results from the sharing of an electron pair between two atoms.
the ability of a metal to be able to drawn into thin wires.
gain of oxygen or loss of hydrogen
sodium hydroxide is also known as

10 Clues: sodium hydroxide is also known as • gain of oxygen or loss of hydrogen • name for sodium carbonate decahydrate • when an acid and a base react to form water and a salt • attacking of atmospheric gases such as oxygen on metals. • a single reactant decomposes to form a number of products. • the ability of a metal to be able to drawn into thin wires. • ...

Chemistry 2024-06-09

Across

dioxide. abc
Jkl
Vwx
Cfa
Pqr
def

Down

10 Clues: Ghi • Stu • Jkl • Vwx • Cfa • Yza • Pqr • def • Mno • dioxide. abc

Chemistry 2023-06-28

Across

The other name for solid carbondioxide
the change of gaseous state directly to solid stated without going to liquid state
matter in which molecules are a little loosely packed
something that occupies space and has mass
the intermixing of substances with that of another

Down

the temperature at which liquid starts boiling at the atmospheric pressure
matter in which molecules are closely packed
the temperature at which solid melts to become liquid at the atmospheric pressure
Matter in which molecules move freely
particles which make up matter

10 Clues: particles which make up matter • Matter in which molecules move freely • The other name for solid carbondioxide • something that occupies space and has mass • matter in which molecules are closely packed • the intermixing of substances with that of another • matter in which molecules are a little loosely packed • ...

Chemistry 2023-04-22

Across

Scientist credited with the first atomic theory
Subatomic particle with a positive charge
Element with symbol 'Ag'
Compound to show whether a substance is acidic or basic
Bases that dissolve in water

Down

Element with an atomic number of 3
The atom with an atomic number of 6
A pH of 7
Fixed path around a nucleus of an atom
Group of atoms joined together

10 Clues: A pH of 7 • Element with symbol 'Ag' • Bases that dissolve in water • Group of atoms joined together • Element with an atomic number of 3 • The atom with an atomic number of 6 • Fixed path around a nucleus of an atom • Subatomic particle with a positive charge • Scientist credited with the first atomic theory • Compound to show whether a substance is acidic or basic

Chemistry 2022-12-14

Across

smallest part of an element
a mixture of two or more metals
particle with no charge in the nucleus
pure substance chemically combined
an atom that lost or gained an electron

Down

two or more substances mixed together
anything that has mass and volume
particle with a negative charge
subatomic particle with a positive charge
center of the atom

10 Clues: center of the atom • smallest part of an element • particle with a negative charge • a mixture of two or more metals • anything that has mass and volume • pure substance chemically combined • two or more substances mixed together • particle with no charge in the nucleus • an atom that lost or gained an electron • subatomic particle with a positive charge

Chemistry 2023-01-30

Across

Metals conduct heat and ___________ well
Basic building block of all matter
Negatively charged Particle
when different elements join together they form this
_____ gases,neon,argon,krypton.radon,xenon

Down

A mixture where one substance dissolves in the other
elements are listed on the _____ Table
A ____ reaction is when a set of substances undergo a chemical change and form a different substance
A pure substance made from a single type of
The center of the atom

10 Clues: The center of the atom • Negatively charged Particle • Basic building block of all matter • elements are listed on the _____ Table • Metals conduct heat and ___________ well • _____ gases,neon,argon,krypton.radon,xenon • A pure substance made from a single type of • A mixture where one substance dissolves in the other • when different elements join together they form this • ...

Chemistry 2023-01-30

Across

poorest conductor of heat
metal which cannot be stored in packets
used for eletric wiring
best electric conductor

Down

metal not corroded by air,water and acid
metal that melts on our palm
used to construct bridges and houses
A liquid metal
gas is produced when metals react with dilute acids
can be beaten into thin sheets

10 Clues: A liquid metal • used for eletric wiring • best electric conductor • poorest conductor of heat • metal that melts on our palm • can be beaten into thin sheets • used to construct bridges and houses • metal which cannot be stored in packets • metal not corroded by air,water and acid • gas is produced when metals react with dilute acids

chemistry 2023-01-31

Across

we have 18% in our body
it has all the primary ones
it is in eggs
of what is made all living things
what we get from oxygen
we have 65% in our body

Down

we have 1% in our body
it is in our bones
is in protein
the most found chemical

10 Clues: is in protein • it is in eggs • it is in our bones • we have 1% in our body • we have 18% in our body • the most found chemical • what we get from oxygen • we have 65% in our body • it has all the primary ones • of what is made all living things

Chemistry 2023-08-13

Across

Liquid turns into solid when the temperature goes very cold
a method that converts a mixture or a solution of chemical substances into two or more s mixtures
When a liquid turns into a gas
When a solid turns into a liquid

Down

When a gas turns into a liquid
A small portion of matter
Will expand freely to fill the whole of a container, having no fixed shape
Heat in a substance or object
Something that can't change shape or form
A substance that flows freely but is of constant volume

10 Clues: A small portion of matter • Heat in a substance or object • When a gas turns into a liquid • When a liquid turns into a gas • When a solid turns into a liquid • Something that can't change shape or form • A substance that flows freely but is of constant volume • Liquid turns into solid when the temperature goes very cold • ...

Chemistry 2025-03-23

Across

A group of atoms bonded together.
The smallest unit of an element.
A substance made of two or more elements chemically combined.
A state of matter with no fixed shape but a fixed volume.
The building blocks of everything in the universe.

Down

A type of matter that consists of only one kind of atom.
A form of matter with a uniform and definite composition.
A state of matter that expands to fill its container.
A state of matter that has a definite shape and volume.
A combination of two or more substances that are not chemically combined.

10 Clues: The smallest unit of an element. • A group of atoms bonded together. • The building blocks of everything in the universe. • A state of matter that expands to fill its container. • A state of matter that has a definite shape and volume. • A type of matter that consists of only one kind of atom. • A form of matter with a uniform and definite composition. • ...

Chemistry 2025-02-11

Across

vertical columns on periodic table
positively charged ion
element with one proton
atoms with different number of neutrons (same element and number of protons)
negatively charged ion
electrons orbit around

Down

horizontal rows of the periodic table
alkali metal
noble gas
atom gains or loses electrons

10 Clues: noble gas • alkali metal • positively charged ion • negatively charged ion • electrons orbit around • element with one proton • atom gains or loses electrons • vertical columns on periodic table • horizontal rows of the periodic table • atoms with different number of neutrons (same element and number of protons)

Chemistry 2024-09-26

Across

Which of the following is the rate of heat transfer unit?
What element is a metal ?
For conduction heat transfer, the heat energy propagation will be minimal for _____
What is the normality of a 1M solution of H3PO4?
A substance releases heat when it changes from ?

Down

Substance that does not obey the Lewis octet rule ?
Correct formula for aluminum nitrate
The S.I unit of temperature is ?
While moving down in a group, the metallic character …………..
What is the volume of 6.022 X 1023 molecules of hydrogen at NTP?

10 Clues: What element is a metal ? • The S.I unit of temperature is ? • Correct formula for aluminum nitrate • What is the normality of a 1M solution of H3PO4? • A substance releases heat when it changes from ? • Substance that does not obey the Lewis octet rule ? • Which of the following is the rate of heat transfer unit? • ...

Chemistry 2025-03-28

Across

_______ bond formed between nonmetals
When your marshmallows burn
Chemically combined atoms
Takes in heat
itty bitty little things made of electrons, protons, and neutrons

Down

A collections of letters and numbers that depict an atom; chemical _______
______ bond formed between metals and nonmetals
Layers of electrons
Gives off heat
Formed between elements

10 Clues: Takes in heat • Gives off heat • Layers of electrons • Formed between elements • Chemically combined atoms • When your marshmallows burn • _______ bond formed between nonmetals • ______ bond formed between metals and nonmetals • itty bitty little things made of electrons, protons, and neutrons • A collections of letters and numbers that depict an atom; chemical _______

Chemistry 2025-03-25

Across

The law which relates the absorbance with concentration of solution is known as?
Mixture of weak acid and salt of weak acid with strong base in known as?
Opposition to the flow of electron is knows as?
Formula for mode of vibration of linear molecule?
Which chloride starts decomposing above 50 degree Celsius in calomel?

Down

Sigma to sigma* transition is possible in which compounds?
Conductance of titration in conductomitric titration depends on?
Plot of graph of pH v/s mL of NaOH added is called?
In calomel electrode which metal is at bottom?
Which vibration is characterised by change in angle between two covalent bonds?

10 Clues: In calomel electrode which metal is at bottom? • Opposition to the flow of electron is knows as? • Formula for mode of vibration of linear molecule? • Plot of graph of pH v/s mL of NaOH added is called? • Sigma to sigma* transition is possible in which compounds? • Conductance of titration in conductomitric titration depends on? • ...

Chemistry 2024-11-24

Across

Negative terminal in an electrochemical cell.
Process of removing salt from seawater.
Used to purify water by removing dissolved salts.
A material made up of repeating molecular units.
osmosis Non-stick material often used in cookware.

Down

A portable energy storage device.
The medium that conducts ions between two electrodes
Positive terminal in an electrochemical cell.
Commonly used plastic abbreviated as PVC.
Substance enabling ion flow in a cell.

10 Clues: A portable energy storage device. • Substance enabling ion flow in a cell. • Process of removing salt from seawater. • Commonly used plastic abbreviated as PVC. • Negative terminal in an electrochemical cell. • Positive terminal in an electrochemical cell. • A material made up of repeating molecular units. • Used to purify water by removing dissolved salts. • ...

Chemistry 2025-06-15

Across

Metal protection process
Simplest hydrocarbon
Metal extraction process
Acid in vinegar
Most electronegative element

Down

Alloy of copper and tin
Alkali metal
Product of acid-base reaction
Noble gas
Chemical indicator

10 Clues: Noble gas • Alkali metal • Acid in vinegar • Chemical indicator • Simplest hydrocarbon • Alloy of copper and tin • Metal protection process • Metal extraction process • Most electronegative element • Product of acid-base reaction

Chemistry 2025-06-16

Across

Convert 35 K to degrees Celcius.
A type of molecule with an uneven distribution of charges, resulting in positive and negative ends.
A measure of an atom’s ability to attract and hold electrons in a chemical bond.

Down

Convert 172.9 C to K
The ratio of the density of a substance to the density of a reference substance (usually water for liquids/solids).
A molecule in which electrons are shared equally, so there are no distinct positive or negative poles.
A gas law stating that the volume of a gas is directly proportional to its temperature at constant pressure.
ELECTRONS The outermost electrons of an atom that are involved in forming bonds.
Atoms of the same element with the same number of protons but different numbers of neutrons.
A measure of the size of an atom from its nucleus to the outer boundary of its electron cloud.

10 Clues: Convert 172.9 C to K • Convert 35 K to degrees Celcius. • A measure of an atom’s ability to attract and hold electrons in a chemical bond. • ELECTRONS The outermost electrons of an atom that are involved in forming bonds. • Atoms of the same element with the same number of protons but different numbers of neutrons. • ...

CHEMISTRY 2025-07-27

Across

– The smallest particle of an element that retains its properties.
– A chemical link between two atoms.
– A negatively charged particle that orbits the nucleus.
– The lightest element in the periodic table.
– A substance with a pH less than 7.

Down

– A substance with a pH more than 7.
– Two or more atoms chemically bonded together.
– A gas essential for breathing.
– Anything that has mass and takes up space.
– What happens when substances chemically change.

10 Clues: – A gas essential for breathing. • – A substance with a pH more than 7. • – A chemical link between two atoms. • – A substance with a pH less than 7. • – Anything that has mass and takes up space. • – The lightest element in the periodic table. • – Two or more atoms chemically bonded together. • – What happens when substances chemically change. • ...

chemistry 2025-08-24

Across

a negatively charged particle
the variable that you measure
the matter that everything is made up of
an educated guess of what you think will happen
a sub-atomic partial that has a positive charge

Down

the variable that changes
the instructions you follow for a investigation
a substance that cannot be broken down any smaller
a glass vial used for mixing chemicals
a positively charged ion

10 Clues: a positively charged ion • the variable that changes • a negatively charged particle • the variable that you measure • a glass vial used for mixing chemicals • the matter that everything is made up of • the instructions you follow for a investigation • an educated guess of what you think will happen • a sub-atomic partial that has a positive charge • ...

CHEMISTRY 2026-03-15

Across

A substance that produces hydrogen ions (H⁺) when dissolved in water.
The force exerted by gas particles when they collide with the walls of a container.
The space occupied by a gas.
Hydrocarbons that contain at least one triple bond (C≡C).
Refers to Boyle’s Law, which states that pressure and volume of a gas are inversely related when temperature is constant.

Down

Refers to Charles’s Law, which states that the volume of a gas increases as temperature increases at constant pressure.
Saturated hydrocarbons that contain only single bonds between carbon atoms.
A base that is soluble in water and produces hydroxide ions (OH⁻) in solution.
The ability to do work or produce heat and cannot be created or destroyed according to the First Law of Thermodynamics.
Hydrocarbons that contain at least one double bond (C=C).

10 Clues: The space occupied by a gas. • Hydrocarbons that contain at least one triple bond (C≡C). • Hydrocarbons that contain at least one double bond (C=C). • A substance that produces hydrogen ions (H⁺) when dissolved in water. • Saturated hydrocarbons that contain only single bonds between carbon atoms. • ...

Chemistry 2025-10-30

Across

a large molecule
negatively charged particles that orbit around the nucleus
neutral and found in the nucleus

Down

superheated matter
the study of matter and how it changes
anything that has mass and takes up space
1 of 4 fundamental states of matter
positively charged protons and found in the nucleus
a physical property of matter D=M/V
solute + solvents

10 Clues: a large molecule • solute + solvents • superheated matter • neutral and found in the nucleus • 1 of 4 fundamental states of matter • a physical property of matter D=M/V • the study of matter and how it changes • anything that has mass and takes up space • positively charged protons and found in the nucleus • negatively charged particles that orbit around the nucleus

CHEMISTRY 2026-01-02

Across

An atomic model that proposes electrons move in fixed energy levels
Weak forces of attraction between molecules
A substance that increases the rate of reaction by providing an alternative pathway
The minimum energy required to start a chemical reaction

Down

The total number of protons and neutrons in an atom
A substance that accepts a proton
The minimum energy required to remove one electron from a gaseous atom
The region around the nucleus where there is a high probability of finding an electron
A covalent bond formed when one atom donates both electrons
The electrostatic force of attraction between positive and negative ions

10 Clues: A substance that accepts a proton • Weak forces of attraction between molecules • The total number of protons and neutrons in an atom • The minimum energy required to start a chemical reaction • A covalent bond formed when one atom donates both electrons • An atomic model that proposes electrons move in fixed energy levels • ...

Chemistry 2025-12-19

Across

dot structure diagram using elements and dots
shape linear, bent
what Santa eats
December 25th
who bring the gifts

Down

valence shell electron pair repulsion
Christmas meat
formula begins with H
ion sulfate, nitrate
what Santa brings

10 Clues: December 25th • Christmas meat • what Santa eats • what Santa brings • shape linear, bent • who bring the gifts • formula begins with H • ion sulfate, nitrate • valence shell electron pair repulsion • dot structure diagram using elements and dots

Chemistry 2026-01-15

Across

compounds can be separated in what way
a building block of matter that cannot be broken down any further
in a compound, elements are chemically--------
a substance made of one type of atom
a mixture that has visible different materials

Down

mixtures can be separated in what way
a substance made of 2 or more elements or compounds that are not chemically bonded
2 or more elements that are chemically bonded
anything that takes up space and has mass
a mixture that is uniform and consistent throughout

10 Clues: a substance made of one type of atom • mixtures can be separated in what way • compounds can be separated in what way • anything that takes up space and has mass • 2 or more elements that are chemically bonded • in a compound, elements are chemically-------- • a mixture that has visible different materials • a mixture that is uniform and consistent throughout • ...

Chemistry 2026-02-11

Across

water's is H2O
pure substances that cannot be broken down
decimal number below element name
number in top left of elements; 1-118
all of the "stuff" in the universe; anything with mass and volume
represents the name of the element

Down

the scientific field dealing with elements, substances, and compounds
atoms combine to form these
substances combine to form these
the basic building blocks of matter

10 Clues: water's is H2O • atoms combine to form these • substances combine to form these • decimal number below element name • represents the name of the element • the basic building blocks of matter • number in top left of elements; 1-118 • pure substances that cannot be broken down • all of the "stuff" in the universe; anything with mass and volume • ...

Chemistry 2026-05-13

Across

A balanced system with no net change
A substance that speeds up a reaction
Ability to make your own decisions
Capacity to do work or cause change
Process of becoming different

Down

Internal or external force affecting behavior
Transformation process in chemistry or life
How you define yourself
Personal or social achievement
What people think should happen

10 Clues: How you define yourself • Process of becoming different • Personal or social achievement • What people think should happen • Ability to make your own decisions • Capacity to do work or cause change • A balanced system with no net change • A substance that speeds up a reaction • Transformation process in chemistry or life • Internal or external force affecting behavior

Chemistry 2026-06-02

Across

Shape of BF₃
Molecular shape of CH₄
Shape of NH₃
Shape of H₂O

Down

Theory used to predict molecular geometry
Type of bond where electrons are shared
Bond where electrons are shared unequally
Shape of CO₂
Pair of electrons not involved in bonding
Bond formed by transfer of electrons.

10 Clues: Shape of CO₂ • Shape of BF₃ • Shape of NH₃ • Shape of H₂O • Molecular shape of CH₄ • Bond formed by transfer of electrons. • Type of bond where electrons are shared • Theory used to predict molecular geometry • Bond where electrons are shared unequally • Pair of electrons not involved in bonding

Chemistry Review! 2021-03-19

Across

has a definite shape and volume
assume gas particles are small, collisions are perfectly elastic, and particles move randomly and constantly
amount of energy required to remove a valence electron
type of reaction where the reactants are always a hydrocarbon and oxygen
name of group 17
type of mixture where particles are evenly distributed
PV=nRT
type of bond where electrons are shared unevenly
formula for hydrochloric acid
insolube solid often formed as a result of a double replacement reaction

Down

pentoxide name of N2O5
type of mixture where particles are unevenly distributed
type of bonding in BaO
molecular geometry of CH4
hydroxide name of Ca(OH)2
type of bond where electrons are evenly shared
number of lone pairs on the central atom in NH3

17 Clues: PV=nRT • name of group 17 • type of bonding in BaO • pentoxide name of N2O5 • molecular geometry of CH4 • hydroxide name of Ca(OH)2 • formula for hydrochloric acid • has a definite shape and volume • type of bond where electrons are evenly shared • number of lone pairs on the central atom in NH3 • type of bond where electrons are shared unevenly • ...

Chemistry Review 2021-05-02

Across

Transfer of energy due to temperature differences between two objects
Releases energy into its surrounding
In a _______ change, there may be a change in size, shape, or phase, but no new substance is formed
In a chemical _____, atoms of the reactants unbond, rearrange, and then rebond to form the products
Has no charge and a mass of 1 amu
A tendency of matter to occupy more volume at increasing temperature: Thermal ______
The number of protons in an atom: Atomic _________.
The ratio of mass to volume

Down

A substance made of only one kind of ato
Has mass and takes up space
A measurement of average molecular motion
A substance made of two or more atoms that are connected by chemical bonds
Has a positive charge and a mass of 1 amu
Absorbs energy from its surroundings
Has a negative charge and a mass of 0 amu (1/1837 amu)
The number of protons + Neutrons in an atom: Atomic______.
An attraction formed between atoms through the sharing or transferring of electrons

17 Clues: Has mass and takes up space • The ratio of mass to volume • Has no charge and a mass of 1 amu • Releases energy into its surrounding • Absorbs energy from its surroundings • A substance made of only one kind of ato • A measurement of average molecular motion • Has a positive charge and a mass of 1 amu • The number of protons in an atom: Atomic _________. • ...

Chemistry assignment 2020-09-02

Across

which one of the following is acidic?(a) lemon juice (b) tomatoes (c)milk (d)all
In a chemical reaction between sulphuric acid and barium chloride solution the white precipitates formed are of:
Which gase is used in the storage of fat and oil containing foods for a long time?
which one of the following will turn red litmus blue?(a)vinegar (b)baking soda (c)lemon juice (d)soft drinks
this is used for dissolution of gold..
Nature of calium phosphate present in tooth ennamel...
aqueous solution of sodium chloride is..
on heating blue coloured powder of copper(II) nitrate in a boiling tube, copper oxide(black), oxygen gas and a brown gas X is formed. Identify the brown gas X.
In addition to sodium hydrogen carbonate, baking powder contains a substance X. Name X.

Down

used to build airplane bodies?
which one of the following will turn blue litmus red?(a)vinegar (b)lime water (c)baking soda (d)washing soda
A metal that do not react with water at all?
when a magnesium ribbon is burnt in air, the ash formed is
the respiration process during which glucose undergoes slow combustion by combining with oxygen in the cells of our body to produce energy, is a kind of:
alloy of copper and zinc?
A white salt on heating decomposes to give brown fumes and yellow residue is left behind. Name the salt.
which acid is found in apples?

17 Clues: alloy of copper and zinc? • used to build airplane bodies? • which acid is found in apples? • this is used for dissolution of gold.. • aqueous solution of sodium chloride is.. • A metal that do not react with water at all? • Nature of calium phosphate present in tooth ennamel... • when a magnesium ribbon is burnt in air, the ash formed is • ...

Chemistry Review 2020-10-05

Across

two or more atoms of the same element and atomic number but have different neutrons and mass numbers
contains protons and neutrons
electrons on the outermost (last) ring
negatively charged particle in the atom
the number that identifies the element and is equal to number of protons
neutrally charged particle in the atom
name of the atomic model discovered by Niel's Bohr
a type of element that is a poor conductor of electricity, are shiny or dull and are often brittle

Down

chart that shows all the elements
where electrons are held in the atom
the sum of the neutrons and protons in the atom
a set of elements in the same vertical column (family)
positively charged particle in the atom
a set of elements in the same horizontal row
a type of element that is a poor conductor of electricity, solid or liquid or gas at room temperature
a type of element that is a good conductor of electricity, ductile and malleable, and shiny
contains protons, neutrons, and electrons

17 Clues: contains protons and neutrons • chart that shows all the elements • where electrons are held in the atom • electrons on the outermost (last) ring • neutrally charged particle in the atom • positively charged particle in the atom • negatively charged particle in the atom • contains protons, neutrons, and electrons • a set of elements in the same horizontal row • ...

Chemistry Crossword 2021-08-31

Across

Δ G = Δ H − T Δ S
nothing escapes or enters system
absorption of heat
total heat quantity of a system
accompanied by the release of heat
voluntary or undetermined action or movement
the relativity of stableness
cycle of the earth's energy sources

Down

observation of equilibrium
entropy values that are absolute
increases rate of reaction
Kc is its symbol
balance between processes
named after maxwell and boltzmann
when a system doesn't have thermal energy
products divided by reactants
analyzes reaction energies

17 Clues: Kc is its symbol • Δ G = Δ H − T Δ S • absorption of heat • balance between processes • observation of equilibrium • increases rate of reaction • analyzes reaction energies • the relativity of stableness • products divided by reactants • total heat quantity of a system • entropy values that are absolute • nothing escapes or enters system • named after maxwell and boltzmann • ...

Chemistry Crossword 2022-01-14

Across

An element commonly used for jewelry
A science famous for proposing his atomic theory
The chemical symbol for an element commonly found in electrical wiring
An element with an atomic mass of 47.86 AMU
Proposed the planetary model of the atom
A pure substance that cannot be broken down into smaller pieces
An element with seven electrons
An important element for respiration
This scientist modeled the atom after a popular dessert
Br

Down

a subatomic particle with a negative charge
Number 27 on the periodic table
the fundamental unit of matter
The outermost energy shell in a Bohr Model
This element has 6 protons
The chemical symbol of an element often used in fluorescent signs
calculated by subtracting an elements atomic mass by its atomic number

17 Clues: Br • This element has 6 protons • the fundamental unit of matter • Number 27 on the periodic table • An element with seven electrons • An element commonly used for jewelry • An important element for respiration • Proposed the planetary model of the atom • The outermost energy shell in a Bohr Model • a subatomic particle with a negative charge • ...

Everyday Chemistry 2022-04-11

Across

Negatively charged ions
The _____________ is the first antibiotic discovered by the scientist Alexander Fleming
Smallest particle of an element
Positively charged particles
The study ofthe behavior of matter and its charges and how it interacts with other matter and energy
Vertical columns in the periodic table, where elements contain similar chemical properties
______ Curie first discovered the radioactive elements polonium and radium
a _______ table is a table of the chemical elements arranged in order of atomic number
electron configuration for this element is

Down

_______ is a strong acid that is used in car batteries
Ni
Ti
_____ rule states when several orbitals are available in a subshell, each orbital gets one electron before the electrons pair up
The fundamental states of matter are: Liquid, solid, and _____
Made of 2 or more elements that are chemically combines
Nuclear particle with no charge
Fe

17 Clues: Ni • Ti • Fe • Negatively charged ions • Positively charged particles • Smallest particle of an element • Nuclear particle with no charge • electron configuration for this element is • _______ is a strong acid that is used in car batteries • Made of 2 or more elements that are chemically combines • The fundamental states of matter are: Liquid, solid, and _____ • ...

Chemistry Puzzle 2016-12-12

Across

Chemical properties of an element depend on the what in the shells?
Each vertical column of the periodic table is called?
The energy change when an electron is added is called?
Ionic compounds are soluble in?
What family of elements includes helium and neon?
The scientist arranged elements by atomic number?
What are the products formed in this reaction?
What element has the lowest atomic mass?
In electron configuration, what does the number before the sub-energy level represent?

Down

The scientist grouped elements into sets of three known as triads?
What metals are soft enough to be cut by a knife?
Tritium and isotopes of hydrogen contains how many neutrons?
James Chadwick discovered the?
What transition metal is the best conductor of electricity?
How many elements are in the second period of the periodic table?
What is the most common element in the universe?
The atom which supplies the pair of electrons of bond formation is known as

17 Clues: James Chadwick discovered the? • Ionic compounds are soluble in? • What element has the lowest atomic mass? • What are the products formed in this reaction? • What is the most common element in the universe? • What metals are soft enough to be cut by a knife? • What family of elements includes helium and neon? • The scientist arranged elements by atomic number? • ...

Chemistry Puzzle 2018-05-01

Across

Number 6.022x10-23
The opposite of Soluble
Matter can not be created nor destroyed
Composition The percent by the mass
One breaks down and becomes two or more
Bubbles and fizzing in a liquid
Substance breaks up and switches around

Down

Mass Same as Molar Mass
Chemical compound of Hydrogen and Carbon
When a substance forms in a aqueous solution
The amount of a chemical substance
Number that goes in front of a chemical equation
Change A substance combines to form a new substance with something else
The formula you end up having
Opposite of the original substance
Two combine to become one
Mass Same as Formula Mass

17 Clues: Number 6.022x10-23 • Mass Same as Molar Mass • The opposite of Soluble • Two combine to become one • Mass Same as Formula Mass • The formula you end up having • Bubbles and fizzing in a liquid • The amount of a chemical substance • Opposite of the original substance • Composition The percent by the mass • Matter can not be created nor destroyed • ...

chemistry crossword 2016-02-26

Across

neutral particle in the nucleus of an atom
reaction a reaction that takes place when two or more substances react to form new substances
metals group 2 elements in the elements periodic table
chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
vertical column of elements in the periodic table
chemical combination of two or more elements in a specific ratio
change change in appearance or state of a substance that does not change the composition
horizontal row of elements in the periodic table

Down

metals group 1 elements in the periodic table ,not including hydrogen
cloudy mixture in which tiny particles of one substance are held within another
shells orbit of electrons around the nucleus of an atom
mass unit measure of atomic mass
element that has both metallic and nonmetallic properties
slow chemical change that occurs when oxygen in the air reacts with a metal
cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from out from the other substance
vertical of elements in the periodic table
positively charged particle in the nucleus of an atom

17 Clues: mass unit measure of atomic mass • neutral particle in the nucleus of an atom • vertical of elements in the periodic table • horizontal row of elements in the periodic table • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • metals group 2 elements in the elements periodic table • ...

CHEMISTRY REVIEW 2016-01-19

Across

Any substances to the right of the arrow in a chemical equation
A number placed in front of a formula that tells you how many molecules like the 3 in 3H20
A summary of a chemical reaction
A number in a formula written below the line which tells you the number of atoms
Space where electrons orbit around the nucleus
Term for a chemical equation having the same number of atoms on both sides
A term for outer shell electrons in an atom
A type of bond formed by atoms sharing a pair of electrons, as in water
The number of electrons in the outer shell which makes the atom stable
Any substances to the left of the arrow in a chemical equation

Down

A type of bond formed by atoms borrowing or lending electrons as in NaCl or salt
States that matter cannot be created nor destroyed
A group of atoms which acts like a single particle
When a new substance is created
The substance, usually water, in a solution that does the dissolving
Any combination of substances in which no reaction takes place
The substance(s) in a solution being dissolved, like salt in water

17 Clues: When a new substance is created • A summary of a chemical reaction • A term for outer shell electrons in an atom • Space where electrons orbit around the nucleus • States that matter cannot be created nor destroyed • A group of atoms which acts like a single particle • Any combination of substances in which no reaction takes place • ...

Kitchen Chemistry 2013-06-14

Across

The skin on top of water
Number of states of matter
Won't mix with water. It will sit on top of water.
A substance mixes well with warm water
A mystery powder found in the kitchen
A state of matter that is a permanent
Items needed to carry out the experiment
Used when cooking pop corn

Down

Answers the aim and is found at the end of a procedure
Lowers the temperature of ice
A gas found in soft drink
The observations that are recorded during an experiment
The purpose of the experiment
A liquid that can pour
A state of matter that return to its original form
Steam that spreads into the air
Steps used in procedures

17 Clues: A liquid that can pour • The skin on top of water • Steps used in procedures • A gas found in soft drink • Number of states of matter • Used when cooking pop corn • Lowers the temperature of ice • The purpose of the experiment • Steam that spreads into the air • A mystery powder found in the kitchen • A state of matter that is a permanent • A substance mixes well with warm water • ...

Environmental Chemistry 2013-12-05

Environmental Chemistry crossword puzzle

Across

Storage of unused chemical energy
Helps regulate water balance, component of hydrochloric acid in the stomach
where chemicals accumulate in the tissues of organisms along the food chain
A chemical that changes colour to indicate whether a substance is an acid or a base
A chemical used to control moulds and fungi
Crucial in nerve conduction, muscle contraction, blood clotting; forms bones and teeth
short for dichlorodiphenyltrichloroethane
Component of some enzymes, involved in bone formation and protein metabolism
DDT is widely recognized as being potentially _________

Down

A way of comparing the relative acidity or alkalinity of a substance
A chemical used to control weeds
A chemical used to control insects
Has a pH value of more than 7
precipitation Rain or snow containing acid compounds from the air
Energy source for metabolism
A process whereby metals or stone are chemically degraded
Structural molecule for body and helps chemical reactions

17 Clues: Energy source for metabolism • Has a pH value of more than 7 • A chemical used to control weeds • Storage of unused chemical energy • A chemical used to control insects • short for dichlorodiphenyltrichloroethane • A chemical used to control moulds and fungi • DDT is widely recognized as being potentially _________ • ...

Chemistry Crossword 2015-11-15

Across

What is a gas dispersed in a liquid called
What is added so that chemical attraction decreases
What is everything made up of
How do liquid particles move
What is a liquid dispersed in a liquid called
What state is it called when particles are tightly compact
What decreases when energy is added to particles
What floats in the atmosphere
What happens to a solid when it becomes a liquid

Down

What is a mixture of different particles called
What is a liquid dispersed in a gas called
What is a liquid dispersed in a solid called
Something you drink
What is a solid dispersed in a liquid called
How do solid particles move
point What is it called when a substance cannot exceed a certain temperature
How do gas particles move

17 Clues: Something you drink • How do gas particles move • How do solid particles move • How do liquid particles move • What is everything made up of • What floats in the atmosphere • What is a gas dispersed in a liquid called • What is a liquid dispersed in a gas called • What is a liquid dispersed in a solid called • What is a solid dispersed in a liquid called • ...

Cell chemistry 2015-11-11

Across

simple carbohydrate (example: glucose)
acids the building blocks of proteins
process where a cell captures energy in sunlight and uses it to make sugar (
Alphabetical
organic compound used for cell structure, speeding up chemical reactions (enzymes), or on cell membranes
transport materials move through a cell membrane WITHOUT using energy
transport materials move through a cell membrane by using energy
respiration process where cells break down sugar (glucose) to release its energy

Down

simplest form of matter OR the building block of matter
water diffuses through a cell membrane
small molecules move from an area of high concentration to an area of low concentration
energy-rich organic compound, like sugar or starch
made up of 2 or more elements
energy-rich organic compound used to store energy for later use or for insulation or in cell membranes
acids organic compound that contains instructions for cells (ex: DNA, RNA)
complex carbohydrate made by linking sugars together
a protein that speeds up a chemical reaction in a living thing

17 Clues: Alphabetical • made up of 2 or more elements • acids the building blocks of proteins • water diffuses through a cell membrane • simple carbohydrate (example: glucose) • energy-rich organic compound, like sugar or starch • complex carbohydrate made by linking sugars together • simplest form of matter OR the building block of matter • ...

Chemistry revision 2016-04-12

Across

A substance that is not mixed or adulterated with any other substance or material.
phase The liquid or gas that flows through a chromatography system, moving the materials in a mixture.
Units that make up a polymer
A substance that speeds up a reaction without being used up
It contains two or more types of atom joined together
hydrocarbon Compounds that contains at least one double covalent bond between carbon atoms
phase The solid or liquid that allows the material in the mixtures to bind with it in a chromatography system.
The process of the breaking down of hydrocarbons (alkanes) to make more useful smaller hydrocarbons
point The temperature at which a substances melt. Turning from solid to a liquid

Down

oil A mixture of different sized hydrocarbon molecules
It contains just one type of atom
A substance that has two or more elements or compound
Molecules that are made from hydrogen and carbon atoms only
A word to describe how easily a liquid flows
decomposition It is the breakdown of compounds into simpler substances by heating
Compounds that only contains single covalent bonds between carbon atoms
point The temperature at which a substances boils. Turning from a liquid to a gas.

17 Clues: Units that make up a polymer • It contains just one type of atom • A word to describe how easily a liquid flows • A substance that has two or more elements or compound • It contains two or more types of atom joined together • oil A mixture of different sized hydrocarbon molecules • Molecules that are made from hydrogen and carbon atoms only • ...

CHEMISTRY CROSSWORD 2016-06-08

Across

the chemical element of atomic number 11
n electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light.
each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
Table a table of the chemical elements arranged in order of atomic number, usually in rows.
requiring the absorption of heat.
Any of a class of compounds that form hydroxyl ions (OH) when dissolved in water
relating to an atom or atoms.

Down

a substance with particular chemical properties
physical matter of which a person or thing consists and which has a tangible, solid presence.
liquid mixture
When a substance (or a few substances) change into another substance.
the release of heat.
In physics, the ability to do work
something that can be dissolved
The substances that result from this recombination of atoms are called the products of the reaction.
A measure of how much matter is in an object.

17 Clues: liquid mixture • the release of heat. • relating to an atom or atoms. • something that can be dissolved • requiring the absorption of heat. • In physics, the ability to do work • the chemical element of atomic number 11 • A measure of how much matter is in an object. • a substance with particular chemical properties • ...

Acid Chemistry 2023-12-13

Across

chemical with a pH lower than 7
react with an acid to bring pH nearer to 7
a substance with two or more different elements chemically bonded
type of base that gives a salt and carbon dioxide in a reaction
uncharged particle in an atom
Positively charged particle in an atom
a base that is soluble
a chemical ingredient in a reaction

Down

gas produced when a metal reacts with an acid
general name for the product of neutralising an acid
Product of neutralising sulphuric acid
negatively charged particle in an atom
a chemical that is mad in a reaction
an acid using in cooking
salt produced from neutralising hydrochloric acid
indicator colour that tells you that you have a strong alkali
smallest building block of compounds and molecules

17 Clues: a base that is soluble • an acid using in cooking • uncharged particle in an atom • chemical with a pH lower than 7 • a chemical ingredient in a reaction • a chemical that is mad in a reaction • Product of neutralising sulphuric acid • negatively charged particle in an atom • Positively charged particle in an atom • react with an acid to bring pH nearer to 7 • ...

Chemistry Final 2024-05-16

Across

Substances that are formed as a result of a chemical reaction
The study of heat changes that occur during chemical and physical changes
The mass of 1 mole of atoms in grams
The percent by mass of each element in a compound
A reaction that releases heat
What realtionship is Boyle's Law
What law uses Pressure, Volume,and Temperature
Liquid that does the dissolving

Down

A number written in front of a reactant or product of a chemical equation
Dye which changes color to tell us if a substance is an acid, base, or neutral
6.022x10^23
Volume and Temperature increases
The accounting, or math, behind chemistry; used to calculate masses, moles, and percents
pH greater than 7
A heat tranfer when there is no contact
The substance that is being dissolved
Blue litmus paper turns red

17 Clues: 6.022x10^23 • pH greater than 7 • Blue litmus paper turns red • A reaction that releases heat • Liquid that does the dissolving • Volume and Temperature increases • What realtionship is Boyle's Law • The mass of 1 mole of atoms in grams • The substance that is being dissolved • A heat tranfer when there is no contact • What law uses Pressure, Volume,and Temperature • ...

Chemistry Reactions 2023-07-17

Across

A reaction that releases energy to its surroundings, often resulting in an increase in temperature.
determined by the number of electrons it can gain, lose, or share to form chemical bonds with other atoms.
A reaction that absorbs energy from its surroundings, often resulting in a decrease in temperature.
The smallest unit of a chemical element that retains its unique properties.
A substance that changes colour used to detect the presence of specific substances.
A substance that donates hydrogen ions (H+) or accepts electron pairs in a chemical reaction, typically characterized by a sour taste, the ability to turn litmus paper red, and the ability to react with bases to form salts.
A chemical reaction between an acid and a base, resulting in the formation of a salt and water, and typically characterized by the neutralization of acidic and basic properties.
The formation of a solid (precipitate) from a solution due to a chemical reaction between dissolved substances.
A substance that accepts hydrogen ions (H+) or donates electron pairs in a chemical reaction, typically characterized by a bitter taste, a slippery feel, the ability to turn litmus paper blue, and the ability to react with acids to form salts.

Down

of Mass The principle that states that the total mass of a closed system remains constant during a chemical reaction or physical change.
A substance that undergoes a chemical reaction and is consumed or transformed to produce one or more new substances called products.
A rapid chemical reaction between a fuel (such as a hydrocarbon) and an oxidant (usually oxygen) that produces heat and light.
Bond A type of chemical bond in which two atoms share one or more pairs of electrons
Change A process in which one or more substances are transformed into different substances with distinct chemical properties. It usually involves the breaking and formation of chemical bonds.
A substance that is formed as a result of a chemical reaction.
change A change in the physical properties of a substance, such as its shape, size, or state, without a change in its chemical composition.
Bond A type of chemical bond that forms between two atoms when one or more electrons are transferred from one atom to another

17 Clues: A substance that is formed as a result of a chemical reaction. • The smallest unit of a chemical element that retains its unique properties. • A substance that changes colour used to detect the presence of specific substances. • Bond A type of chemical bond in which two atoms share one or more pairs of electrons • ...

Chemistry Vocabulary 2023-01-19

Across

a liquid or gel that contains ions and can be decomposed by electrolysis
becoming a liquid
random movement displayed by small particles that are suspended in fluids
mixture in 1 solution
losing moisture and turning into fine powder when exposed to air
the tension of the surface film of a liquid caused by attraction of particles
homogeneous mixture of 2 or more substances

Down

solutions in which the solvent is water
going between all phases of matter
a hygroscopic substance used as a dry agent
tending to absorb moisture from the air
free from water
scattering beam of light by a medium containing small contacting suspend particles
a heterogeneous mixture of a fluid that contains solid particles
able to dissolve other substances
mixture of 2 or more liquids where one is present as droplets of microscopic size
to absorb water

17 Clues: free from water • to absorb water • becoming a liquid • mixture in 1 solution • able to dissolve other substances • going between all phases of matter • solutions in which the solvent is water • tending to absorb moisture from the air • a hygroscopic substance used as a dry agent • homogeneous mixture of 2 or more substances • ...

Chemistry Crossword 2022-05-20

Across

Au
Fe
Co
H
A table that organizes all the elements based on their properties
The horizontal rows on the periodic table
The phrase used to identify electrons on the outermost energy level
atomic number 16
Sn

Down

A subatomic particle that is negatively charged
defines the identity of an atom
unreactive elements that make up group 18
The vertical columns on the periodic table
A neutral particle in the nucleus
Hg
Elements that are good conductors,shiny,malleable,and ductile
a pure substance made of only one atom

17 Clues: H • Au • Fe • Co • Hg • Sn • atomic number 16 • defines the identity of an atom • A neutral particle in the nucleus • a pure substance made of only one atom • unreactive elements that make up group 18 • The horizontal rows on the periodic table • The vertical columns on the periodic table • A subatomic particle that is negatively charged • ...

Chemistry Definitions 2025-04-23

Across

The process that uses ammonia and a platinum catalyst to produce nitric acid.
A hydrocarbon that contains at least one carbon-to-carbon double bond
An attraction between two nuclei and a shared pair of electrons in two non-metal atoms
compounds with the same molecular formula but a different structural formula
A giant network of atoms held together by covalent bonds. They have very high melting and boiling points.
The industrial method of ammonia production using an iron catalyst
the liquid in which the solute dissolves

Down

Atoms with the same atomic number but different mass numbers, due to a difference in the number of neutrons present in the atoms
an insoluble solid (salt) produced by a chemical reaction
A hydrocarbon that has only single carbon-to-carbon bonds
the time taken for the activity or mass of a radioactive element to drop by half
the substance produced when a solute dissolves in a solvent
A series of compounds with similar chemical properties that can be represented with a general formula
A naturally occurring metal compound
the substance that is dissolved in the solvent
Small molecules where the atoms are held together by covalent bonds and only weak attratctions form between the molecules
A homologous series with the general formula CnH2n+2

17 Clues: A naturally occurring metal compound • the liquid in which the solute dissolves • the substance that is dissolved in the solvent • A homologous series with the general formula CnH2n+2 • an insoluble solid (salt) produced by a chemical reaction • A hydrocarbon that has only single carbon-to-carbon bonds • the substance produced when a solute dissolves in a solvent • ...

Chemistry Crossword 2025-01-05

Across

a gas is likely this under high temp and low pressure
higher the pressure, lower the ________
when a substance goes from a liquid to a gas state
a perfect mixture
as the temperature of a substance rises it increase in ___ energy
two or more elements chemically combined
the heating curve is an example of an ______ reaction

Down

when something goes from the gas to the liquid phase
a gas that attracts
the study of matter
electrons in the outermost layer
soil is an example of this type of mixture
when the air pressure and vapor pressure are equal
anything that has mass and takes up space
absolute zero is zero degrees _______
when a substance is at a phase changes it increase in ____ energy
a particle that has a neutral charge and a mass of 1 amu

17 Clues: a perfect mixture • a gas that attracts • the study of matter • electrons in the outermost layer • absolute zero is zero degrees _______ • higher the pressure, lower the ________ • two or more elements chemically combined • anything that has mass and takes up space • soil is an example of this type of mixture • when the air pressure and vapor pressure are equal • ...

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