chemistry Crossword Puzzles
Chemistry 2024-09-01
Across
- A homogeneous mixture of two or more substances
- Type of bond formed by the transfer of electrons
- Substance that speeds up a chemical reaction without being consumed
- State where the concentrations of reactants and products remain constant over time
- Process in which one or more substances are converted into new substances
- A solid that forms and settles out of a liquid mixture
- A reaction that releases heat
- Atoms of the same element with different numbers of neutrons
- Process of converting a liquid to a gas
- Substance in which a solute is dissolved
- A subatomic particle with no charge, found in the nucleus
Down
- A way to express the concentration per litre of solution
- Bond formed by the sharing of electron pairs between atoms
- Element with atomic number 8
- Central core of an atom
- Tendency of an atom to attract a bonding pair of electrons
- An ionic compound formed by the neutralization reaction of an acid and a base
- A negatively charged subatomic particle
- The smallest particle of a chemical element that can exist
- Amount of substance containing as many particles as there are atoms in 12 g of carbon-12
20 Clues: Central core of an atom • Element with atomic number 8 • A reaction that releases heat • A negatively charged subatomic particle • Process of converting a liquid to a gas • Substance in which a solute is dissolved • A homogeneous mixture of two or more substances • Type of bond formed by the transfer of electrons • A solid that forms and settles out of a liquid mixture • ...
Chemistry 2024-06-07
Across
- Atom or molecule with a net electric charge
- Atoms of the same element with different numbers of neutrons
- Negatively charged particle
- Two or more atoms bonded together
- Connection between atoms
- Positively charged particle
- Electrons in the outer shell of an atom
- Substance that speeds up a chemical reaction
- Pure substance consisting of one type of atom
Down
- Substance that donates protons
- Substance that accepts protons
- Center of an atom containing protons and neutrons
- Substance that dissolves a solute
- Substance dissolved in a solvent
- Neutral particle in the nucleus
- Substance composed of two or more elements
- Process of chemical change
- Table of elements
- Measure of acidity or basicity
- Basic unit of a chemical element
- Product of an acid-base reaction
21 Clues: Table of elements • Connection between atoms • Process of chemical change • Negatively charged particle • Positively charged particle • Substance that donates protons • Substance that accepts protons • Measure of acidity or basicity • Neutral particle in the nucleus • Substance dissolved in a solvent • Basic unit of a chemical element • Product of an acid-base reaction • ...
Chemistry 2024-06-07
Across
- Substance that speeds up a chemical reaction
- Atoms of the same element with different numbers of neutrons
- Basic unit of a chemical element
- Product of an acid-base reaction
- Two or more atoms bonded together
- Electrons in the outer shell of an atom
- Positively charged particle
- Substance dissolved in a solvent
- Substance that donates protons
- Substance composed of two or more elements
Down
- Pure substance consisting of one type of atom
- Substance that accepts protons
- Process of chemical change
- Substance that dissolves a solute
- Neutral particle in the nucleus
- Table of elements
- Atom or molecule with a net electric charge
- Negatively charged particle
- Connection between atoms
- Measure of acidity or basicity
20 Clues: Table of elements • Connection between atoms • Process of chemical change • Negatively charged particle • Positively charged particle • Substance that accepts protons • Substance that donates protons • Measure of acidity or basicity • Neutral particle in the nucleus • Basic unit of a chemical element • Product of an acid-base reaction • Substance dissolved in a solvent • ...
chemistry 2024-06-08
Across
- : mengukur massa jenis
- :menyedot larutan
- : mendinginkan cairan panas
- : untuk menghancurkan atau menghaluskan zat
- : memindahkan volume cairan yang telah terukur
- : penahan kawat kasa
- : menyimpan sampel bebas air
- : pasangan mortar
- : mengeringkan peralatan
- : atom modern
- : meningkatkan laju reaksi kimia
- : membuat ozon dalam lab
- : penutup gelas kimia saat proses pemanasan
- : menyimpan bahan kimia bersifat asam tinggi
- : jumlah proton sama
- : membakar zat
- : timbangan mengukur bahan kimia
- : memisahkan komponen fase pelarut
Down
- : saat memasukkan cairan kimia agar tidak tumpah
- : membuat suatu zat menjadi abu
- : elektron valensi yang terisi penuh
- : periode sangat pendek
- : mencampur mengukur, dan menyimpan cairan
- : oksidasi dan reduksi terjadi secara bersamaan
- : mengukur suhu suatu benda
- : mengukur volume larutan 10-20 ml
- : mengambil benda kecil
- : NaCl
- : melihat benda benda mikroskopis
- : tempat menyimpan tabung reaksi
- : mengukur derajat keasaman
- : atom unsur terkecil yang tidak bisa dibagi lagi
- : menahan beaker
- : asam kuat
- : teori roti kismis
- : titrasi dengan presisi tinggi
- saring : menyaring larutan kimia yang memiliki endapan
- : mengamati kenaikan atau turunnya suhu
- : menghitung waktu saat melakukan uji sampel
- : menampung ampuran kimia
40 Clues: : NaCl • : asam kuat • : atom modern • : membakar zat • : menahan beaker • :menyedot larutan • : pasangan mortar • : teori roti kismis • : penahan kawat kasa • : jumlah proton sama • : mengukur massa jenis • : periode sangat pendek • : mengambil benda kecil • : mengeringkan peralatan • : membuat ozon dalam lab • : menampung ampuran kimia • : mendinginkan cairan panas • : mengukur suhu suatu benda • ...
Chemistry 2024-07-29
Across
- รังสีที่มีอำนาจในการทะลุทลวงสูง
- ใช้กำจัดไขมันและสิ่งสกปรกจากไขมันในท่อน้ำทิ้ง
- ปฏิกิริยาเคมีที่เกิดขึ้นในพืช
- เรียกอีกอย่างว่ากรดมด ใช้ในปศุสัตว์
- กรดในน้ำส้มสายชู
- กรดที่ใช้สร้างโปรตีน
- กรดที่พบในมะขามป้อม ฝรั่ง
- กรดในน้ำอัดลม
- ปฏิกิริยาการทำให้เกิดพอลิเมอร์
- กรดที่ใช้ผลิตปุ๋ย สูตรโมเลกุล H2SO4
- หน่วยเล็กๆของสารในพอลิเมอร์
- โครงสร้างของสารประกอบที่เกิดการเชื่อมต่อกันเป็นร่างแห
- สูตรโมเลกุลของกรดในกระเพาะอาหาร
- พอลิเมอร์ที่เกิดขึ้นเองตามธรรมชาติ เช่น แป้ง
- คล้ายพอลิเอทิลีนแต่แข็งแรงกว่า ใช้ทำที่หุ้มสายไฟฟ้า
- เป็นสารประกอบไฮโดรคาร์บอนประเภทอิ่มตัว
- พลาสติกที่มีสีขาวขุ่น โปรงแสง เหนียวหยุ่นตัวได้
- สารที่เมื่อละลายน้ำแล้วจะนำไฟฟ้าได้
Down
- ใช้แก้วิงเวียน
- ส่วนผสมหลักในน้ำมันเชื้อเพลิงรถยนต์
- สารที่ใช้บอกความเป็นกรด-เบส ของสารละลาย
- กรดที่ใช้ทำน้ำยาล้างตา
- ผู้ค้นพบธาตุกัมมันตรังสี
- ปฏิกิริยาเคมีที่ทำให้อะตอมหรือโมเลกุลมีการสูญเสียอิเล็กตรอน
- การได้รับอิเล็กตรอน การลดลงของสถานะออกซิเดชันของสารเคมี
- ผู้ค้นพบรังสีเรเดียม
- กรดที่ทำให้โยเกิร์ตเปรี้ยว
- มีรสเปรี้ยว กัดกร่อนโลหะ
- ใช้แก้ดินเปรี้ยว สูตรเคมี Ca(OH)2
- กรดที่ใช้ทำน้ำยาล้างห้องน้ำ ล้างผิวโลหะ
- พอลิเมอร์ที่เกิดจากมอนอเมอร์ชนิดเดียวกันทั้งหมด
- กรดมะนาวในอุตสาหกรรม
- พอลิเมอร์ที่เกิดจากการสังเคราะห์โดยปฏิกิริยาเคมี
- พอลิเมอร์ที่ประกอบด้วยมอนอเมอร์ชนิดต่างกัน
- พอลิเมอร์สังเคราะห์ที่ใช้เป็นประโยชน์มากที่สุด
- กรดที่ใช้กำจัดสนิม
- รังสีที่มีความสามารถในการทะลุทะลวงต่ำ ไม่สามารถทะลุผ่านแผ่นกระดาษได้
- กลุ่มอะตอมของธาตุชนิดเดียวกัน มีเลขอะตอมเท่ากัน เลขมวลต่างกัน
- พอลิเมอร์ที่ใช้ทำเส้นใยทอเสื้อผ้า
- อนุภาพอิเล็กตรอนที่ถูกปล่อยจากนิวเคลียสขณะเกิดการสลายกัมมันตรังสี
40 Clues: กรดในน้ำอัดลม • ใช้แก้วิงเวียน • กรดในน้ำส้มสายชู • กรดที่ใช้กำจัดสนิม • กรดที่ใช้สร้างโปรตีน • ผู้ค้นพบรังสีเรเดียม • กรดมะนาวในอุตสาหกรรม • กรดที่ใช้ทำน้ำยาล้างตา • ผู้ค้นพบธาตุกัมมันตรังสี • มีรสเปรี้ยว กัดกร่อนโลหะ • กรดที่พบในมะขามป้อม ฝรั่ง • กรดที่ทำให้โยเกิร์ตเปรี้ยว • หน่วยเล็กๆของสารในพอลิเมอร์ • ปฏิกิริยาเคมีที่เกิดขึ้นในพืช • ปฏิกิริยาการทำให้เกิดพอลิเมอร์ • ...
chemistry 2024-09-04
Across
- a complex entity made of many parts
- relating to the simplest units of an element or compound
- an electrical force linking atoms
- a whole formed by a union of two or more elements or parts
- an arrangement of points in a regular periodic pattern
- occurring or formed with the release of heat
- a unit of electrical energy
- containing or involving electrically charged particles.
- a connection that fastens things together
- an arrangement of parts or elements
- a stable particle with positive charge
- forceful exertion
- occurring or formed with absorption of heat
- a relation between two opposite attributes
Down
- the simplest structural unit of an element or compound
- the smallest component of an element
- the force by which one object attracts another
- a particle that is electrically charged positive or negative
- the molecular weight of a substance in grams
- the process of ionizing
- arrangement of chemical elements according to atomic number
- participating in processes changing substances into others
- the act of fastening firmly together
- an elementary particle with negative charge
- of or relating to a molecule made up of two atoms
25 Clues: forceful exertion • the process of ionizing • a unit of electrical energy • an electrical force linking atoms • a complex entity made of many parts • an arrangement of parts or elements • the smallest component of an element • the act of fastening firmly together • a stable particle with positive charge • a connection that fastens things together • ...
CHEMISTRY 2024-09-09
Across
- BIOMOLECULE OF α-AMINO ACID
- FREEZING MIXTURE MAY CONTAIN ICE AND
- NOT PRESENT IN PROTEIN
- FIRST ATOMIC MODEL WAS FOUND BY
- WHICH CARBOHYDRATE IS NOT A HEXOSE
- CAFFEINE,TANNIN,NICOTINE
- PARAFINS ARE
- GAS PRODUCED BY LIGHTNING
- RAIN WATER HELPS TO INCREASE THE___ CONTENT OF SOIL
Down
- TRADE NAME OF VINEGAR
- OBTAINED BY HYROLYSIS OF OIL
- ORGANIC COMPOUND USED FOR SILVERING MIRRORS
- ORE OF MANGANESE
- LACK OF ESSENTIAL AMINO ACIDS CAUSES
- COPPER SULPHATE SOLUTION CONDUCTS THE CURRENT BY
- CHEMICAL NAME OF MARBLE
- FOUL SMELL OR RANCID BUTTER IS DUE TO
- NUMBER OF AMINO ACIDS SYNTHESIZED BY HUMAN BODY
- MAGNETRON IS USED FOR THE PRODUCTION OF
- SOLUTION OF POTASSIUM NITRATE IS
- DOES NOT FORM AMALGAM
21 Clues: PARAFINS ARE • ORE OF MANGANESE • TRADE NAME OF VINEGAR • DOES NOT FORM AMALGAM • NOT PRESENT IN PROTEIN • CHEMICAL NAME OF MARBLE • CAFFEINE,TANNIN,NICOTINE • GAS PRODUCED BY LIGHTNING • BIOMOLECULE OF α-AMINO ACID • OBTAINED BY HYROLYSIS OF OIL • FIRST ATOMIC MODEL WAS FOUND BY • SOLUTION OF POTASSIUM NITRATE IS • WHICH CARBOHYDRATE IS NOT A HEXOSE • ...
CHEMISTRY 2024-09-09
Across
- -Chemical change used by plants to convert usable light into energy
- -What happens to sugar put in water? (Physical Change)
- Change -Change caused to an object (Chemically)
- -Phase of matter. Atoms are loose, and take the shape of their container
- -Substance that dissolves in a solution
- -Phase of matter. No definite shape.
- -The physical change of liquid to gas
- -A liquid mixture with particles spread throughout.
- -A form of vaporization often described while cooking pasta
Down
- -Gas to Solid
- -Solid to Gas
- -Dissolves Substance
- -Study of how matter changes
- -Change from solid to liquid
- -2nd type of vaporization, usually occurs at surface and doesn't (always) need to be above boiling point
- -Phase of matter. Atoms are compact and have definite shape
- Change -Change caused to an object (NOT chemically)
- -Liquid to solid
- -Copper begins to _______ (Chemical Change)
- -Iron begins to ______ (Chemical Change)
20 Clues: -Gas to Solid • -Solid to Gas • -Liquid to solid • -Dissolves Substance • -Study of how matter changes • -Change from solid to liquid • -Phase of matter. No definite shape. • -The physical change of liquid to gas • -Substance that dissolves in a solution • -Iron begins to ______ (Chemical Change) • -Copper begins to _______ (Chemical Change) • ...
Chemistry 2024-05-20
Across
- A particle with a negative charge
- Mass/Volume
- The elements/compounds that have been formed
- The technique used to separate components of a mixture
- An element/compound changing from a liquid to a gas
- The element/compound being used in a equation
- Has an H+ ion
- A reaction where two elements gain and lose electrons
- A process of purifying a liquid by heating/cooling it
- Energy is leaving the system
- Energy is entering the system
- 2 electron groups, 2 bonding groups, 0 lone pairs
Down
- 118 of them
- 6.02 x 10^23 particles
- When water vapor becomes ice (a solid)
- A reaction that forms a solid from two aqueous solutions
- The reactant that is used up completely
- A process in which molecules separate
- Has an OH- ion
- Used to determine the proportions of of how elements react with each other
- Able to be dissolved
- A way of measuring heat
- A range of numbers from 1 to 14
23 Clues: 118 of them • Mass/Volume • Has an H+ ion • Has an OH- ion • Able to be dissolved • 6.02 x 10^23 particles • A way of measuring heat • Energy is leaving the system • Energy is entering the system • A range of numbers from 1 to 14 • A particle with a negative charge • A process in which molecules separate • When water vapor becomes ice (a solid) • The reactant that is used up completely • ...
Chemistry 2024-10-10
Across
- the study of the relationships between heat and other forms of energy within a system
- a chemical reaction where one element in a compound is replaced by another element
- the amount of product that is produced in a reaction
- a conductor through which electricity enters or leaves an object, substance, or region
- a theoretical gas that consistently obeys the gas laws
- the substance that dissolves in a solution
- substance that has neither a definite solid nor volume
- the formation of a salt in water
- a group of elements in group 18
- a substance that affects another
- a chemical reaction where one substance breaks apart into two or more different products
- substance that has a definite volume but not a definite shape
- an electron in the outermost shell
- a single atom that is not bonded to anything else
- particles with no charge
- a mixture that looks uniform when stirred or shaken but separates into different layers when allowed to settle
- a chemical reaction where the electrons transfer between two substances
- the amount of protons and neutrons in the nucleus
- a group of elements in period 7 that are mostly radioactive
- a substance that when dissolved in water, will conduct electricity
- a thermodynamic quantity equivalent to the total heat content of a system
- a group of reactive nonmetals in group 17
- substance that has a definite shape and volume
- the mass of one mole of units of a substance or grams/mole
- a bond where one atom donates electrons and the other accepts the electrons and a bond is formed by attraction between the newly formed ion
- a new substance formed in a chemical reaction
- a charged particle
- the SI base unit for the amount of substance
- a colloidal suspension containing small liquid or solid particles that are evenly spread throughout a gas
- a phase of matter
- the number of moles of a solute dissolved in a solution
- a substance that dissociates in water to produce hydrogen atoms
- a solid formed in a liquid after a chemical reaction
- a substance that can affect the rate of a chemical reaction without being changed itself
- a group of metals in groups 3 through group 12
- energy released through waves,particles, or rays
- a positively charged ion
- the process that occurs when more solvent is added to a fixed amount of solute
- a binary of oxygen with another element or group
- a colloidal suspension that is formed between two liquids
- a solution that contains less than the maximum amount of solute possible
- a pair that is not bonded
- the number of moles of solute dissolved in a solvent
- a measure of disorder within a syste
- a variant of an element that has different amounts of neutrons, but the same amount of protons
- a reaction that is indicated by an arrow pointing right to left
- a chemical reaction where two compounds react in an aqueous solution
- the possible location around a nucleus where the electrons could be found
- simplest form of a substance
- a horizontal row on the periodic table
- a bond that occurs when two atoms share four electrons
- Danish physicist who came up with the modern atomic model
- a reaction that occurs when the rate of forward reaction is equal to the rate of reverse reaction
- a blend of two or more substances together
- can act as both a base and an acid
- everything that exists
- a process during which substances are changed into one or more new substances
- reacting with oxygen
- a reactant that is used up first in a chemical reaction
- the amount of product that would be produced if the limiting reagent completely reacted
Down
- a vertical column of the periodic table
- a substance that is brittle, dull, and has poor conductivity
- substance where elements are united chemically in a fixed proportion
- the ratio of actual yield to theoretical yield
- a solution that contains the maximum amount of solute possible
- a negative ion
- the substance that dissolves a solute
- a reaction that absorbs heat
- an ion formed when two or more atoms join together
- a mathematical rule about how a gas will behave under certain conditions
- it determines the concentration of an unknown solution
- a reaction that is indicated by an arrow pointing from left to right
- a liquid mixture in which the minor component is uniformly distributed within the major componen
- particles with negative charges that orbit the nucleus
- a compound of hydrogen and carbon
- a weaker intramolecular force
- the branch of chemistry that deals with the speed or rate of chemical reactions
- a colloidal suspension that is formed when multiple gas particles are trapped in a liquid or solid
- the smallest unit of matter
- a reactant that is left over when the limiting reagent is gone
- a solution that holds more solute than is normally possible in a saturated solution
- the body of delocalized electrons that surround cations
- Where the neutrons and protons are located
- elements must combine in such a way that each atom has eight electrons in all of its shells
- a combination of two substances, where the molecules of one substance are much larger than those of another substance but they are still evenly distributed throughout
- a group of reactive metals in group 1
- the tendency of an atom to attract electrons in a chemical bond
- a positively charged electrode
- the reaction will happen
- a group of atoms bonded together
- the process of measuring the amount of heat released or absorbed during a chemical reaction
- a small difference in the charges of atoms
- the symbolic representation of a chemical reaction
- it tells the amount of solute that is dissolved in the solvent
- a substance that is a solid, ductile, lustrous, and a conductor
- the calculation of reactants and products in a chemical reaction
- a group of reactive metals in group 2
- an advanced algebra function called the "p-function" which means, "take the negative of the base ten algorithm
- a physical property of the compound that determines the other physical properties of a compound
- substances that have both properties of metals and nonmetals
- particle with positive charge
- a negatively charged electrode
- a reaction that produces heat
- a group of elements in period 6 that have similar properties to lanthanum
- the amount of protons in the nucleus
- the change in concentration of the reactant or product over time
- the study of the heat change in a chemical reaction
- the capacity to do work
- a bond where atoms are connected via a sea of electrons
- two atoms of the same element bonded together
- a substance that dissociates in water to produce hydroxide ions
- the concentration of the hydroxide ions
- a colloidal suspension with solid particles in a liquid
113 Clues: a negative ion • a phase of matter • a charged particle • reacting with oxygen • everything that exists • the capacity to do work • particles with no charge • the reaction will happen • a positively charged ion • a pair that is not bonded • the smallest unit of matter • a reaction that absorbs heat • simplest form of a substance • a weaker intramolecular force • ...
Chemistry 2023-05-02
Across
- The process in which a liquid changes into a gas at the surface
- The study of the composition, structure, and properties of matter
- The chemical symbol for gold
- The process in which two or more substances combine to form a new substance
- The state of matter in which the substance has no definite shape but has a definite volume
- A substance that cannot be broken down into simpler substances
- The number of protons in an element
- A substance made up of only one kind of atom
- The basic building block of matter
- A substance that speeds up a chemical reaction
- A substance formed by the combination of two or more elements
- The sum of the protons and neutrons in an element
- The state of matter in which the substance has a definite shape and volume
- A compound that has a pH less than
Down
- The ability of an atom to attract electrons to itself in a chemical bond
- A measure of the amount of heat energy required to raise the temperature of a substance
- The amount of a substance that can dissolve in a given amount of solvent at a given temperature
- A measure of the amount of matter in an object
- A measure of the amount of space occupied by an object
- The number of protons plus neutrons in an element
- The state of matter in which the substance has no definite shape or volume
- A type of chemical bond in which electrons are shared between atoms
- The number of electrons in an atom's outermost energy level
- A measure of the average kinetic energy of the particles in a substance
- A compound that has a pH greater than
- A type of chemical bond in which electrons are transferred between atoms SUBLIMATION A process in which a solid changes directly into a gas without passing through the liquid phase
- The force of attraction between atoms that holds them together
- The smallest unit of an element
- The measure of acidity or alkalinity of a substance
29 Clues: The chemical symbol for gold • The smallest unit of an element • The basic building block of matter • A compound that has a pH less than • The number of protons in an element • A compound that has a pH greater than • A substance made up of only one kind of atom • A measure of the amount of matter in an object • A substance that speeds up a chemical reaction • ...
chemistry 2023-05-15
Across
- συστατικό του διαμαντιού
- το δεύτερο πιο άφθονο στοιχείο στον στερεό φλοιό της γής
- βράζει στους 100οC
- απαραίτητο για τις καύσεις
- κατιόντα περιέχονται σε διαλύματα οξέων
- προϊόν της φωτοσύνθεσης, αντιδρών στην αλκοολική ζύμωση
- περιέχονται στον πυρήνα των ατόμων
- του άνθρακα προϊόν τέλειας καύσης
- προσθέτουν θρεπτικά συστατικά, λιπαίνουν το έδαφος
- περιστρέφονται γύρω από τον πυρήνα των ατόμων
Down
- συστατικό του φυσικού αερίου
- συστατικά του πετρελαίου
- πατρίδα του Menteleyeff
- ανακουφίζει το τσίμπημα της μέλισσας
- του άνθρακα προϊόν ατελούς καύσης
- ανιόντα περιέχονται σε διαλύματα βάσεων
- σωματίδια με αρνητικό φορτίο
- το πιό άφθονο στοιχείο στον στερεό φλοιό της γής
- πατρίδα του Arrhenius
- σωματίδια με θετικό φορτίο
- αποτελείται από νάτριο και χλώριο
21 Clues: βράζει στους 100οC • πατρίδα του Arrhenius • πατρίδα του Menteleyeff • συστατικά του πετρελαίου • συστατικό του διαμαντιού • απαραίτητο για τις καύσεις • σωματίδια με θετικό φορτίο • συστατικό του φυσικού αερίου • σωματίδια με αρνητικό φορτίο • του άνθρακα προϊόν ατελούς καύσης • του άνθρακα προϊόν τέλειας καύσης • αποτελείται από νάτριο και χλώριο • ...
Chemistry! 2023-05-31
Across
- a measure of matter
- high energy wave that has high penetrability
- organizes elements according to atomic number
- a measure of how much space a substance occupies
- a mixture with visible parts
- bond where electrons are shared
- has a pH greater than 7
- a counting number in chemistry
- charged atom
- particle formed when a neutron forms a proton
- equal moles of H+ and OH-
- insoluble product in a double replacement reaction
- bond where electrons are transferred
- sum of protons and neutrons
- vertical column that corresponds to valence electrons
- concentration unit
- reduction/oxidation reaction
- water is this shape
- covalent bond where electrons are not shared equally
- formula that shows the simplest ratio of atoms in a molecule
- particle responsible for nuclear stability
Down
- fixed composition of elements
- eye protection in the lab
- reaction with one product
- equal to the number of protons
- shape of all two-atom molecules
- positive charged particle found in nucleus
- covalently bonded particle
- ration of mass to volume
- reaction where the products are CO2 and water
- a mixture with that is uniformly mixed
- negative charged particle involved in bonding
- covalent bond electrons are shared equally
- pure substance made up of one type of atom
- five-atom shape
- substance that conducts electricity when dissolved in water
- gas law that converts volumes at non-STP to moles
- a measure of average kinetic energy
- building block of all matter
- release H+ ions in solution
- horizontal row that equals energy level of the valence
- particle made up of two protons and two neutrons
42 Clues: charged atom • five-atom shape • concentration unit • a measure of matter • water is this shape • has a pH greater than 7 • ration of mass to volume • eye protection in the lab • reaction with one product • equal moles of H+ and OH- • covalently bonded particle • sum of protons and neutrons • release H+ ions in solution • a mixture with visible parts • building block of all matter • ...
Chemistry 2023-07-31
26 Clues: Cu • CN • NO2 • CO2 • OH- • Cl- • S2- • NO3 • N3- • Fe3+ • CrO4 • CO32 • MnO4 • ClO3 • SO32 • Fe2+ • AlO3 • SO42 • Cu2+ • NH4+ • Cr2O72 • king of acids • atomic mass 35.5 • Type of bond in HCl • gas with rotten egg smell • Type of bond in magnesium chloride
chemistry 2022-12-12
Across
- how much space an object takes up
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- energy that exhibits wave-like behavior and travels through space at the speed of light
- amount of matter in an object
- the tendency of an atom participating in a covalent bond to attract the bonding electrons
- a nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy
- the prefix for 1
Down
- any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known
- any of the elements lithium, sodium, potassium, rubidium, cesium, and francium, occupying Group IA (1) of the periodic table. They are very reactive, electropositive, monovalent metals forming strongly alkaline hydroxides
- electrons in the outermost shell, or energy level, of an atom
- any of the set of metallic elements occupying a central block (Groups IVB–VIII, IB, and IIB, or 4–12) in the periodic table, e.g., iron, manganese, chromium, and copper. Chemically they show variable valence and a strong tendency to form coordination compounds, and many of their compounds are colored
- any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table. They are reactive nonmetallic elements that form strongly acidic compounds with hydrogen from which simple salts can be made
- negatively charged ions
- electrons in their lowest energy state and are stable
- 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
- a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
- an element or substance that is not a metal
- a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen
- amount of mass within a certain amount of space
- positively charges ions
20 Clues: the prefix for 1 • negatively charged ions • positively charges ions • amount of matter in an object • how much space an object takes up • an element or substance that is not a metal • amount of mass within a certain amount of space • electrons in their lowest energy state and are stable • electrons in the outermost shell, or energy level, of an atom • ...
Chemistry 2022-09-28
Across
- Water freezing and becoming ice is an example of what type of change?
- Alkalis tend to taste:
- What is created when amino acids join together in chains?
- The ability of hair to absorb moisture, liquids or chemicals refers to the hair's:
- Matter with definite weight and volume but no definite shape is called:
- What is used for hair that has been damaged by strong alkaline shampoos, chemicals or heat styling?
- A conditioner ingredient that gives dry hair a smooth feel and makes hair easier to comb is:
- A substance that is able to dissolve another substance is called a(n):
- A mixture of secretions from the sebaceous glands and perspiration from the sweat glands is called the:
- Carbon, nitrogen, oxygen and hydrogen form the basis of
- Basic substances that cannot be broken down into simpler substances are called:
- Atoms have three main parts: protons, neutrons and:
- The scientific study of matter and the physical and chemical changes of matter is known as:
- What makes up the primary composition of hair?
Down
- The bonds found within hair that help organize protein chains in order to build hair are
- Which bond is the backbone of all protein molecules?
- What is the side bond that is of the greatest concern to the salon professional?
- A solution that has more positive hydrogen ions than negative hydroxide ions is:
- Humectants are what type of ingredients?
- In the process of making a cup of instant hot cocoa, what would the dry cocoa represent?
- A product that ranges from a pH of 4.5 to 5.5
- Mixtures of organic substances and a medicinal agent are
- and does not contain carbon, such as rocks, water and minerals falls within the study of:
- Substances of acidic or alkaline nature dissolve in water and/or contain:
- An example of an oil-in-water emulsion is _____ solution
- Neutrons have which type of electrical charge?
- All matter that is not alive, has never been
- Mixtures of two or more kinds of molecules, having a tendency to separate when left standing, are known as:
- The most accurate method of measuring pH is with a pH
- When a solution has an equal number of hydrogen and hydroxide ions, the solution is considered:
30 Clues: Alkalis tend to taste: • Humectants are what type of ingredients? • All matter that is not alive, has never been • A product that ranges from a pH of 4.5 to 5.5 • Neutrons have which type of electrical charge? • What makes up the primary composition of hair? • Atoms have three main parts: protons, neutrons and: • Which bond is the backbone of all protein molecules? • ...
Chemistry 2022-09-08
Across
- # of electrons for Neon with a charge of +4
- A max of 2 electrons can inhabit one orbital only if they have _____ spin.
- Symbol for Iridium
- Do atoms that lose electrons become positive or negative?
- Everything is made up of?
- Does the isotope of an element matter when it comes to determining the charge? Yes or No answer
- If a charged object moves with an ____ it would radiate electromagnetic waves.
- On what row does subshell d start?
- symbol for Tin
- Atoms with a negative charge have more electrons than protons are called?
- Electrons have a what charge?
- Number of electrons for Hydrogen with a charge of +1
- The alpha particles were____ by the nucleus.
- Atoms with a positive charge have fewer electrons than protons and are called?
- Mass number for Boron with a charge of +3
- Symbol for Iron
- # of electrons =?
- How many rows are in the periodic table not including subshell f?
- Light at a certain ___ causes metals to eject their electrons.
- What is h in the formula E=hv?
- Electrons occupy the ______ _____ orbital available.
- Atoms with either more or fewer electrons are called?
- On what row and after what subshell do you start to include subshell f?
- How many electrons can 4f hold?
- Electron configuration for Na
- atomic mass for Boron
Down
- What is the atomic mass for Nd?
- Electrons are NOT localized in certain, well-defined and precise ____ around the nucleus.
- Atoms ___ Depict an electron's Probable location
- s-1 orbital= how many electrons
- What is the atomic mass for Rb?
- Name for W
- [Kr] 5s^2 4d^10 5p^6
- Atoms ___ energy and become excited
- Find sig figs for 9.0000
- Mass number for Fluorine
- Atoms with different # of protons are different?
- How many electrons can 3d hold?
- Name of Zn
- Shorthand configuration for Pt
- If isotopes have the same # of protons, what don't they have the same # of?
- When an electron makes a transition form a higher energy level to a lower one, a particle of light called a ______ is emitted.
- Find the element for the configuration [Ne]3s^2 3p^1
- The ___ of an element are atoms with the same # of protons but different # of neutrons
- Find the wavelength of electromagnetic radiation having a frecency of 5.00*10^12 Hz?
- Shorthand configuration for nickel
46 Clues: Name for W • Name of Zn • symbol for Tin • Symbol for Iron • # of electrons =? • Symbol for Iridium • [Kr] 5s^2 4d^10 5p^6 • atomic mass for Boron • Find sig figs for 9.0000 • Mass number for Fluorine • Everything is made up of? • Electrons have a what charge? • Electron configuration for Na • Shorthand configuration for Pt • What is h in the formula E=hv? • What is the atomic mass for Nd? • ...
Chemistry 2022-09-30
Across
- we breathe it
- table salt is ____
- a lot of people drink it in the morning
- the last of the unkown properties
- Also known as ocean water
- you use it when brushing your teeth
- used to make a cellophane
- you use it to remove your nail polish
- ____ is H2O
- in honor of Alfred Noble
- a mix of colored dyes
- used as a prepllant in guns
- Some people put this in their tea
- the first of the actinides
Down
- the lightest element
- Soluable in water and used when
- oil of vitirol
- you use it to clean yourself
- number 10 on the periodic table
- where superman is from
- Acid chemical coumpound of C2H4O2
- Lemon Juice and ____
- disolves grease and oil
- has an atmoic mass of 285
- Cereal and ____
- People put this in their water to keep it cool
- is in our veins
- chemical coumpound of C2H6O
- a major player in the creation of Dna
- ____man
30 Clues: ____man • ____ is H2O • we breathe it • oil of vitirol • Cereal and ____ • is in our veins • table salt is ____ • the lightest element • Lemon Juice and ____ • a mix of colored dyes • where superman is from • disolves grease and oil • in honor of Alfred Noble • Also known as ocean water • used to make a cellophane • has an atmoic mass of 285 • the first of the actinides • ...
Chemistry 2022-10-02
Across
- Because the nucleus has protons, it has a __ charge.
- These negative particles are responsible for forming bonds between atoms.
- __ energy must be obtained for a reaction to start.
- __ reactions result in broken down, smaller molecules.
- High energy molecules used for energy and regulating water movement.
- The __ measures H+ concentrations, identifying substances as acids or bases. (2 words)
- __ involve sharing/taking two electrons, creating a much stronger interaction. (2 words)
- Any substance with balanced charges.
- A __ value on the pH scale means the substances is acidic.
- The shape of the __ determines if the enzyme will function or not with its substrate. (2 words)
- A general __ is a single unit that can make a larger polymer.
- __ bind together to form a larger nucleic acid.
- __ occurs from cohesion between molecules holding water tightly, forming bubbles. (2 words)
- A __ like Na+ will form when sodium loses an electron.
- A __ is easily broken down by the body for a quick source of energy.
- Water is __ because it lacks carbon.
- An organism's __ is what it uses to breakdown food for energy.
- The __ variable is what you measured during your investigation.
- A long chain of __ will form proteins. (2 words)
- These store genetic information. (2 words)
- Water can regulate the temperature of organisms and the environment because of its high __. (2 words)
- The __ is what binds to the active site of an enzyme, then the reaction can take place.
Down
- High temperatures can __ proteins because it causes their shape to change.
- Sweating helps regulate your body temperature, making it an example of __.
- __ allow water to form all of its properties and behave in unique ways. (2 words)
- __ occurs when water uses adhesion and cohesion to climb up small tubes inside of trees to reach their leaves. (2 words)
- A __ value on the pH scale means the substance is basic.
- The __ is critical because you must be able to compare your results with it to know what causes the observed changes. (2 words)
- Your __ states what you think will happen in the investigation and the experiment will either support it or not.
- A __ inhibitor will attach to an enzyme, but not at the active site. This causes the enzyme to become denatured and no long work correctly.
- A __ bond forms between Oxygen & Hydrogen when they share their electrons to form water.
- Any substance with uneven charges.
- Because of its hydrogen bonds, water becomes __ when ice crystals form as air is trapped between the bonds. (2 words)
- A __ inhibitor will bind to the active site before the substrate, stopping the reaction completely.
- A __ will dissolve another substance (a solute).
- All organic molecules contain both carbon and hydrogen.
- The __ go into a reaction and the products come out.
- When Chlorine gains an electron, it becomes an __.
- An atom's nucleus is where the protons and neutrons are located.
- An __ bond forms when an atom takes an electron from another atom.
- __ reactions are responsible for building things like protein in the body.
- The __ variable is what you chose to test during your investigation.
42 Clues: Any substance with uneven charges. • Any substance with balanced charges. • Water is __ because it lacks carbon. • These store genetic information. (2 words) • __ bind together to form a larger nucleic acid. • A __ will dissolve another substance (a solute). • A long chain of __ will form proteins. (2 words) • When Chlorine gains an electron, it becomes an __. • ...
Chemistry 2023-08-15
Across
- number number of protons in the nucleus of an atom
- substances made up of two or more different types of atoms that have joined together.
- tiny but heavy particles found in the nucleus of an atom
- is shiny
- two or more atoms joined together.
- very small particles that make up all things.
- metal gaseous, not malleable, not conductive, not ductile element
- can be snapped
- pure substances made up of only one type of atom.
Down
- can be made into wires
- of electricity electricity can pass through
- very light negatively charged particles found inside an atom
- the central part of an atom made up of protons and neutrons
- test flame test for presence of hydrogen gas
- a combination of substances in which each keeps its own properties
- number number of protons and neutrons
- elements that are lustroes, semiconductive, not malleable, not durable and not ductile
- is Bendy
- elements that are lustrous, malleable, solid, conductive and ductile
- tiny but heavy positively charged particles found in the nucleus of an atom
20 Clues: is shiny • is Bendy • can be snapped • can be made into wires • two or more atoms joined together. • number number of protons and neutrons • of electricity electricity can pass through • test flame test for presence of hydrogen gas • very small particles that make up all things. • pure substances made up of only one type of atom. • ...
Chemistry 2023-09-05
Across
- How many phase changes are there?
- A state of matter that has a definite volume but no definite shape.
- Solid to liquid 1 atm
- Liquid to gas 1 atm
- The change in state from a solid to a liquid
- The change of state from a liquid to a gas
- a process that absorbs heat from the surroundings
- A form of matter that has a definite shape and volume
Down
- A change directly from a gas to solid skipping the liquid phase
- Past the point of which a liquid can exist.
- The change of state from a liquid to a solid
- A change directly from the solid to the gaseous state without becoming liquid
- All 3 phases exist
- Sea level, melting point or boiling point
- The change of the surface of a liquid to a gas
- How many states of matter are there?
- a process that releases heat to its surroundings
- A state of matter with no definite shape or volume
- Vaporization that occurs on and below the surface of a liquid
- A substance's mass per unit of volume
20 Clues: All 3 phases exist • Liquid to gas 1 atm • Solid to liquid 1 atm • How many phase changes are there? • How many states of matter are there? • A substance's mass per unit of volume • Sea level, melting point or boiling point • The change of state from a liquid to a gas • Past the point of which a liquid can exist. • The change of state from a liquid to a solid • ...
chemistry 2022-12-06
Across
- created by linking monomers together to make a chain; proteins; DNA, and slime
- number that shows the number of each element in a compound
- anything that has mass or volume
- substance that does the dissolving in a solution
- a mixture of two or more metals
- subatomic particle with no charge; found in the nucleus
- atoms of the same element with different numbers of neutrons
- smallest part of an element; made up of protons, neutrons, and electrons
- a solid in which the atoms are arranged in a pattern that repeats again and again
- substances that are produced by a chemical reaction
- particles that make up protons and neutrons
- an atom that has lost or gained an electron
- molecules that are linked together to make polymers
Down
- two or more substances mixed together, but are not chemically combined
- elements found on the left-hand side of the periodic table
- type of mixture appears the same throughout
- homogeneous mixture in which one substance is dissolved in another
- electrons in the outermost energy level
- a group of atoms held together by covalent bonds
- elements found on the right-hand side of the periodic table
- groups or columns of elements in the periodic table with similar properties
- an atom that has gained an electron and has a negative charge
- a mixture made up of a liquid and particles that remain suspended rather than dissolved in that liquid
- center of the atom
- subatomic particle with a negative charge; found in energy levels around the nucleus
- an atom that has lost an electron and has a positive charge
- subatomic particle with a positive charge; found in the nucleus
27 Clues: center of the atom • a mixture of two or more metals • anything that has mass or volume • electrons in the outermost energy level • type of mixture appears the same throughout • particles that make up protons and neutrons • an atom that has lost or gained an electron • a group of atoms held together by covalent bonds • substance that does the dissolving in a solution • ...
chemistry 2022-12-08
Across
- shatters easly
- the chang in shape size
- hass a positive charge
- a pice of the five pices of evidence
- substance atoms rearrange
- more stable
- determines the stability or an element
- when a substance starts bubbling/steaming not cause of an outside source
- more reactive
Down
- both has the mass of 1amu
- electricity and heat do not pass through it dull not shiny
- has a negitive charge
- when a substance starts to spark/glow
- located in the center of an atom
- can be bent or hammered
- neeutral charge
- sodium metal + chlorine gas
- how many energy levels the atom has
- when a substance changes to an unusal color
- shiny
20 Clues: shiny • more stable • more reactive • shatters easly • neeutral charge • has a negitive charge • hass a positive charge • the chang in shape size • can be bent or hammered • both has the mass of 1amu • substance atoms rearrange • sodium metal + chlorine gas • located in the center of an atom • how many energy levels the atom has • a pice of the five pices of evidence • ...
Chemistry 2022-05-12
Across
- The negative subatomic particle within an atom.
- The exhaust in a hydrogen cell car is pure water, in the reaction water is the
- compounds that are based on the element carbon.
- Air is a
- Most elements on the periodic table are in this category.
- liquid metal element.
- When mixing salt in water, the salt is the
- Known as the universal solvent
- The most basic unit of a chemical element.
- A pure substance that cannot be broken down by physical means.
- Does a strong acid have a low or high pH?
- A molecule or other entity that can donate a proton
- Symbol of element with an atomic mass of 196.96
- taste, touch, smell, hearing, sight
- The most abundant compound on Earth.
- What does DNA stand for
- 1 molecule of water is made of ___ atoms. (Spell the number)
- the solute in soda water (2 words)
- The ability for a substance to be drawn into a wire
- the element with the lowest atomic mass.
- The most reactive element on the periodic table.
- The lightest element
- The elements that do not react with anything because their valence shell is full
Down
- A substance that has a pH of 12 would be categorized as a
- As the temperature of a liquid decreases, the amount of gases that will dissolve will
- flammability is a
- Carbon dioxide is an example of a(n) ______ bond.
- Representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- When a new substance has formed with new properties a ______ _______ has taken place.
- rain with a pH of about 4.
- the outside shell of electrons
- a cloud will release rain when it is
- A bond that produces salts by one element giving up an electron and the other accepting it.
- The pH of some that is said to be neutral (Spell the number)
- When mixing vinegar and baking soda you produce water and carbon dioxide. The vinegar and baking soda are
- In a simple explanation, most elements were formed within
- Brass and steel is solution in this state of matter
- Atomic number 6
- The ability to do work
- A mixture of all colors of light will create _______ light.
- A pure substance that cannot be broken down by physical or chemical means.
41 Clues: Air is a • Atomic number 6 • flammability is a • The lightest element • liquid metal element. • The ability to do work • What does DNA stand for • rain with a pH of about 4. • the outside shell of electrons • Known as the universal solvent • the solute in soda water (2 words) • taste, touch, smell, hearing, sight • a cloud will release rain when it is • ...
Chemistry 2022-05-19
Across
- states that the physical and chemical properties of the elements are periodic functions of their atomic numbers.
- electron of one atom and proton of the other atom _______ one another.
- The elements of Group 1 of the
- is an arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column, or group.
- In the periodic table, the f-block elements are wedged between Groups 3 and 4 in the sixth and ______ periods.
- has just three valence electrons, which tends to form bonds in which it is surrounded by six electrons.
- The elements of Group 2 of the periodic table are called the alkaline-_____ metals.
- table are known as the _____ metals.
- All matter is composed of extremely small particles called?
- a chemical compound containing elements in exactly the same proportions by mass regardless of the size or source of the compound.
- Cationic and _______ radii decrease across a period.
- The energy change that occurs when an electron is acquired by a neutral atom is called the atom’s ___________.
- A chemical compound whose simplest units are molecules is called a _________ compound.
- All six of the __________ are also in the p block.
Down
- the attraction between two or more atoms that allows them to be able to form a stable chemical compound.
- if two or more different compounds are composed of the same two elements, then the ratio of the masses of the second element combined with a certain mass of the first element is always a ratio of small whole numbers.
- The first row of the f block are known as?
- Atoms cannot be __________, created, or destroyed.
- The second row of the f block are known as?
- is a measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
- ______ is used to form chemical compounds.
- the p block includes all of the nonmetals except hydrogen and ______.
- is a unique element.
- The p-block elements together with the s-block elements are called the __________ elements.
- Red Atoms of different elements combine are known as?
- A ________ formula indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts.
- two nuclei and two electrons _____ each other.
- A ________ shows the types and numbers of atoms combined in a single molecule of a molecular compound.
- A ________ is a neutral group of atoms that are held together by covalent bonds.
- Repeating patterns are referred to as ________.
- is the energy required to break a chemical bond and form neutral isolated atoms.
31 Clues: is a unique element. • The elements of Group 1 of the • table are known as the _____ metals. • The first row of the f block are known as? • ______ is used to form chemical compounds. • The second row of the f block are known as? • two nuclei and two electrons _____ each other. • Repeating patterns are referred to as ________. • ...
chemistry 2022-05-24
Across
- the quality, condition, or fact of being exact and accurate
- the quantity of matter in a physical body
- the SI base unit of length
- A measure of how innaccurate a measurement is
- he strength and vitality required for sustained physical or mental activity.
- the quality or state of being correct or precise.
- a metric unit of capacity
- each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first nonzero digit.
- The temperature scale where 32 degrees is the freezing point of water and 212 degrees at
Down
- a form of presenting very large numbers or very small numbers in a simpler form.
- (of a letter, figure, or symbol) written or printed above the line
- the SI unit of mass
- how hot it is
- The SI unit of energy,
- a mistake
- the size, length, or amount of something
- mass of a unit volume of a material substance
- unit of thermal energy
- temperature at which a thermodynamic system has the lowest energy
- a metric unit of mass equal to one thousandth of a kilogram.
20 Clues: a mistake • how hot it is • the SI unit of mass • The SI unit of energy, • unit of thermal energy • a metric unit of capacity • the SI base unit of length • the size, length, or amount of something • the quantity of matter in a physical body • A measure of how innaccurate a measurement is • mass of a unit volume of a material substance • ...
Chemistry 2023-05-19
Across
- the point at which exactly half of the acid in the buffer solution has reacted with the titrant.
- have a neutral electric charge
- the positively charged particles which are present in the nucleus of an atom
- any chemical reaction that absorbs heat from its environment.
- a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).
- the outermost shell of the atom
- a chemical reaction that releases energy by light or heat.
- gain of electron
- the point during a titration when an indicator shows that the amount of reactant necessary for a complete reaction has been added to a solution.
- when both the reactants and products are present in concentrations which have no further tendency to change with time.
- a reaction that involves the transfer of electrons between chemical species
- point in titration at which the amount of titrant added is just enough to completely neutralize the analyte solution.
- Loss of electron
- a measure of quality of energy
- the process of conversion of a solution into solid by converting the substance into insoluble form or by making the solution a super saturated one
Down
- a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
- the average kinetic energy of all the atoms or molecules of that substance.
- one whose charge distribution is spherically symmetric when averaged over time
- consists of two substances that differ only by the presence of a proton (H⁺).
- technique where a solution of known concentration is used to determine the concentration of an unknown solution.
- A small particle with a negative charge that is found in all atoms.
- a substance that can accept hydrogen ions in water and can neutralize an acid.
- When things are different at each end
- A chemical that gives off hydrogen ions in water and forms salts by combining with certain metals.
24 Clues: gain of electron • Loss of electron • have a neutral electric charge • a measure of quality of energy • the outermost shell of the atom • When things are different at each end • a chemical reaction that releases energy by light or heat. • any chemical reaction that absorbs heat from its environment. • A small particle with a negative charge that is found in all atoms. • ...
Chemistry 2025-03-16
Across
- Малын өтөг бууц,өндөгний хальс,яс,хулсны нунтаг,шувууны сангаас зэрэг амьтан ургамлын гаралтай бордоо.
- Хийн эзлэхүүн,даралт нь температур (Кельвин хуваариар)-аас шугаман хамаардгийг тогтоосон хамаарал
- Тогтмол даралт,температурын үед хийн тоо хэмжээг нэмэгдүүлэхэд даралт, температурыг тогтмол хадгалахын тулд эзлэхүүн тэлдэг ба хийн эзлэхүүн тоо хэмжээнээс шууд хамаардаг. Үүнийг ........... гэнэ
- Хийн шинж чанарыг тайлбарлахад хүндрэлтэй учир идеал хий болгон загварчилж шинж чанарыг тайлбарладаг онол
- Ямар эмийн найрлагад Mg(OH)2 ордог вэ?
- Стандарт даралтад нэг моль шингэнийг бүрэн ууршуулахад зарцуулагдах энергийг........ гэдэг
- Молекул хоорондын хүчийг давахуйц кинетик энергитэй болсон жижиг хэсгүүд шингэний гадаргуугаас хий төлөвт шилждэг үзэгдэл
- Элементийн шинж чанарыг тодорхойлох хамгийн чухал үзүүлэлт
- Зохиомлоор гарган авсан азот,фосфор,кали,зэрэг элементийг найрлагадаа агуулсан бордоо.
- Бутаны молекулууд хоорондоо дисперсийн хүчээр холбогдох тул холбоог тасалж ууршуулахад бага энерги зарцуулагдана.Ийм шингэнийг ....... гэдэг
- Элементийн атомуудын хоорондох зайн хагасаар тодорхойлогдох хэмжигдэхүүн
Down
- Шингэний молекул хооронд үүсэх хүчийг таслахад зарцуулагдах энерги
- Уурын жижиг хэсгүүд савны хананд учруулах даралт
- Уурын даралт ихэссээр агаарын даралттай тэнцэхэд шингэний гүнээс хийн бөмбөлөг үүсэж тархдаг үзэгдэл
- Хийн даралт эзлэхүүний үржвэр температурын ямар ч утганд тогтмол байх тул p1v1=p2v2 байдлаар бичиж болох хууль
- Ионы нэгдлүүд ямар төрлийн холбоогоор холбогддог вэ?
- Исэлдүүлэгчийн хүчийг өөрөөр юу гэж хэлдэг вэ?
- Хийн эзлэхүүн даралт,температур,тоо хэмжээний харилцан хамаарлын тэгшитгэл
- Хүхрийн хүчил (H2SO4) ямар төрлийн электролит вэ?
- Ангижруулагчийн хүчийг өөрөөр юу гэж хэлдэг вэ?
20 Clues: Ямар эмийн найрлагад Mg(OH)2 ордог вэ? • Исэлдүүлэгчийн хүчийг өөрөөр юу гэж хэлдэг вэ? • Ангижруулагчийн хүчийг өөрөөр юу гэж хэлдэг вэ? • Уурын жижиг хэсгүүд савны хананд учруулах даралт • Хүхрийн хүчил (H2SO4) ямар төрлийн электролит вэ? • Ионы нэгдлүүд ямар төрлийн холбоогоор холбогддог вэ? • Элементийн шинж чанарыг тодорхойлох хамгийн чухал үзүүлэлт • ...
Chemistry 2025-04-11
Across
- contains two or more substances
- commonly used to describe mixtures of gases
- when there is not enough solute in a solution
- an example of electrolytes
- separates a soluble solid from a liquid
- separation of a compound into simper constituents
- separates mixture based on differences in densities
- a common example of nonelectrolytes
- a process in which a chemical is converted from a liquid solution to a solid with highly organized particles
- when the undissolved solute an dissolved solute are in equilibrium
- the amount of solute that can dissolve in a certain quantity of solvent
- separates a solid from the liquid in a heterogeneous mixture
- the amount of solute present on a solution
Down
- separates liquid bases on differences in boiling points
- the solubility of a gas depends on pressure
- when there an excess of solute in a solution
- substance that does not conduct electricity when dissolved in water
- type of mixture that are greater than 1000nm
- the scattering of light by particles in a colloid
- measure of attraction between the particles of a solute and a solvent
- commonly used on consumer product labels such as bleach
- substance that conducts electricity when dissolved in water
- made up of only one substance
- one way to measure the concentration of a solution
- an atom or molecule that has gained or lost electrons
25 Clues: an example of electrolytes • made up of only one substance • contains two or more substances • a common example of nonelectrolytes • separates a soluble solid from a liquid • the amount of solute present on a solution • the solubility of a gas depends on pressure • commonly used to describe mixtures of gases • when there an excess of solute in a solution • ...
Chemistry 2024-11-26
Across
- a substance that releases hydroxide ions (OH⁻) in solution.
- a scale that measures the acidity or alkalinity of a solution.
- a positively charged subatomic particle found in the nucleus of an atom.
- Reaction, a reaction that absorbs energy, usually in the form of heat.
- the substance(s) formed as a result of a chemical reaction.
- Number, the total number of protons and neutrons in the nucleus of an atom.
- Reaction, a process in which substances change to form new substances with different properties.
- Reaction, a reaction that releases energy, usually in the form of heat.
- of Mass, a principle stating that mass is neither created nor destroyed in a chemical reaction.
- a subatomic particle with no charge, found in the nucleus of an atom.
- a substance formed when two or more different types of atoms chemically bond together.
- an element with properties of both metals and non-metals.
- a substance that releases hydrogen ions (H⁺) in solution.
- an element that lacks metallic properties and is often a poor conductor.
- a combination of two or more substances that are not chemically bonded.
Down
- a substance that undergoes change in a chemical reaction.
- the smallest unit of matter, consisting of protons, neutrons, and electrons.
- two or more atoms bonded together, which can be the same or different types of atoms.
- an insoluble solid formed from a reaction between two solutions.
- Number, the number of protons in the nucleus of an atom, defining the element.
- Bond, a chemical bond formed when atoms share electrons.
- a negatively charged subatomic particle found orbiting the nucleus of an atom.
- atoms of the same element with different numbers of neutrons.
- Change, a change in a substance's form or state without altering its chemical composition.
- Table, a chart that organizes all known elements by their properties and atomic numbers.
- Bond, a chemical bond formed through the transfer of electrons from one atom to another.
- an element that is typically shiny, malleable, and a good conductor of heat and electricity.
- Change, a change that results in the formation of one or more new substances.
- an atom or molecule that has gained or lost electrons, giving it a positive or negative charge.
- a pure substance made up of only one type of atom.
30 Clues: a pure substance made up of only one type of atom. • Bond, a chemical bond formed when atoms share electrons. • a substance that undergoes change in a chemical reaction. • an element with properties of both metals and non-metals. • a substance that releases hydrogen ions (H⁺) in solution. • a substance that releases hydroxide ions (OH⁻) in solution. • ...
chemistry 2025-05-14
Across
- A process where plants convert light energy into chemical energy-
- The process where an element gains electrons
- A chemical equation where the number of atoms of each element is the same on both sides
- A representation of a chemical reaction using symbols and formulas
- The process where an element loses electrons
- A substance that speeds up a chemical reaction
- A change in which substances are transformed into new substances
- A homogenous mixture where one substance is dissolved in another
- A reaction that absorbs heat
- A solid that forms from a solution during a chemical reaction
Down
- A chemical process involving rapid oxidation, often with fire
- To become dispersed throughout a solvent
- A reaction where one element replaces another in a compound
- A form of energy often involved in chemical reactions
- The starting substances in a chemical reaction
- The substance that dissolves another substance in a solution
- A slow chemical process that eats away metal surfaces
- The substance formed after a chemical reaction
- A reaction that releases heat
- displacement A reaction where two compounds exchange ions
20 Clues: A reaction that absorbs heat • A reaction that releases heat • To become dispersed throughout a solvent • The process where an element gains electrons • The process where an element loses electrons • The starting substances in a chemical reaction • The substance formed after a chemical reaction • A substance that speeds up a chemical reaction • ...
Chemistry 2025-05-14
Across
- A substance that dissolves another substance.
- Used to understand how much of a substance reacts or is produced in a chemical reaction.
- A state of matter where particles are tightly packed together.
- Caused by the attraction of particles on the surface of a liquid.
- States that matter cannot be created nor destroyed in a reaction.
- Used to convert between substance A and substance B in a reaction equation.
- 6.02x10^23
- Describes a molecule with positive and negative regions.
- When a reaction absorbs heat.
- When a reaction releases heat.
- The smallest unit of matter.
- Measures the resistance to flow.
- A reaction where two substances react together to make one new substance.
- A mixture that where the components can be seen or is non-uniform.
- A temperature and pressure that makes all 3 states of matter in equilibrium.
- Measures how much matter(mass) occupies a volume.
- Where the protons and neutrons in an atom are located.
- A reaction where a single substance breaks down into two or more substances.
- A positively charged particle.
- A type of bond that results when electrons are shared between atoms.
- The substance that is dissolved in a solution.
- Describes the motion of particles.
Down
- A chart that displays information for all chemical elements.
- A mixture that looks completely uniform.
- A unit of measurement used to count very large or small quantities in chemistry.
- More than one arrangement of atoms in a solid.
- The most compressible state of matter because particles are furthest apart..
- Forms when water evaporates at the surface.
- Conditions where a gas takes up 22.4L in volume.
- When eight electrons fill the outer shell of an atom.
- A substance that is a good conductor of heat and electricity.
- A type of bond that results when electrons from one atom are transferred to another.
- The mass of one mole of a substance.
- A reaction that always releases Carbon dioxide and water.
- A negatively charged particle.
- Provides information about the types and number of atoms in a compound.
- A molecule made up of 2 Hydrogens and 1 Oxygen.
- A type of bonding that occurs between water molecules.
- Tells you how many atoms are in a compound or molecule.
- Tells you how many moles/molecules there are of a substance in a chemical reaction equation.
- Formed when ions are in a solution.
41 Clues: 6.02x10^23 • The smallest unit of matter. • When a reaction absorbs heat. • A negatively charged particle. • When a reaction releases heat. • A positively charged particle. • Measures the resistance to flow. • Describes the motion of particles. • Formed when ions are in a solution. • The mass of one mole of a substance. • A mixture that looks completely uniform. • ...
chemistry 2025-05-07
Across
- one through twelve
- is emitting radiation (it is ___)
- element one
- water is an example
- negative subatomic particle
- element 92
- creates helium-4
- number of particles
- gamma, beta, alpha
Down
- home to all the elements
- smallest unit of matter
- there are 118
- a non-metal and a metal
- glucose, for example
- a step in the scientific method
- element seven
- a mix of metals
- pH 8-12
- two non-metals
- pH 1-6
20 Clues: pH 1-6 • pH 8-12 • element 92 • element one • there are 118 • element seven • two non-metals • a mix of metals • creates helium-4 • one through twelve • gamma, beta, alpha • water is an example • number of particles • glucose, for example • smallest unit of matter • a non-metal and a metal • home to all the elements • negative subatomic particle • a step in the scientific method • ...
Chemistry 2025-04-29
Across
- Matter changes
- Chemical, releases heat
- Substance is transformed
- Space occupied by an object
- Combined, new
- More than one atom
- Hot & Cold
- Atoms forced together
- Observed, measured
- Formed after chemical reaction
- Stuff, takes up space
- Elements don't chemically combine
Down
- Capacity of doing work
- Properties & Change in matter
- Combined molecules
- Speeds up chemical reaction
- Can't be broken down
- Energy transferred
- Can change from reaction
- Attractive force between substance
- Chemical, absorbs heat
- Smallest unit of matter
- Matter of an object
- Materials that undergo change
24 Clues: Hot & Cold • Combined, new • Matter changes • Combined molecules • Energy transferred • More than one atom • Observed, measured • Matter of an object • Can't be broken down • Atoms forced together • Stuff, takes up space • Capacity of doing work • Chemical, absorbs heat • Chemical, releases heat • Smallest unit of matter • Substance is transformed • Can change from reaction • ...
Chemistry 2025-06-09
Across
- A _____ ratio of a balanced reaction indicates the number of _____ reactants and products
- What is the separation of ions that occurs when an ionic compound dissolves
- If something has a mass of 1,000 grams it weighs one
- Mass divided by volume equals
- The ________ reactant will run out first, ending the reaction
- _____ turns litmus paper red
- "burning reaction" that uses oxygen as a reactant
- An ion with more electrons than protons
- Most unreactive of gases are?
- What is a unit of measurement for amount of a substance?
- The base unit for measuring volume is the
- Is equal to 1,000 calories
- What are atoms of the same element with different bases
- The ability to do work
- What is made up of one atom
- "temperatures must always be in ______" C + 273
Down
- An ion with fewer electrons
- An atom that has a full valence shell
- Wear these if working with heat, glass, or chemicals
- What is the name of this course
- the Greek letter that is represented by a Δ, means "the change in"
- What do you do with a dead chemist?
- We used this technique in a lab to determine
- The measure of randomness is
- Name of reaction when two or more reactants combine into one substance
- P1V1=P2V2
- Type of mixture that is thoroughly mixed, so it is the same throughout
- What did the chemist say when he found 2 new isotopes of Helium?
- you can't tell the charge of a ________ metal from the periodic table
- What property of matter depends on the amount of matter present
30 Clues: P1V1=P2V2 • The ability to do work • Is equal to 1,000 calories • An ion with fewer electrons • What is made up of one atom • The measure of randomness is • _____ turns litmus paper red • Mass divided by volume equals • Most unreactive of gases are? • What is the name of this course • What do you do with a dead chemist? • An atom that has a full valence shell • ...
chemistry 2025-05-28
Across
- A bond where atoms share electrons
- A positively charged subatomic particle
- A substance formed from two or more elements
- Atoms of the same element with different numbers of neutrons
- Solid changing directly to gas
- The substance in which a solute is dissolved
- A bond where atoms share electrons
- A solid that forms from a solution during a reaction
- Substance that speeds up a chemical reaction
- Symbolic representation of a chemical reaction
- Mass per unit volume
- Two or more atoms bonded together
- Substance that speeds up a chemical reaction
- Loss of electrons
- Gain of electrons
- Electrons in the outer shell of an atom
Down
- A solution with a pH of 7
- A negatively charged subatomic particle
- When a liquid becomes a gas
- An atom with a net electric charge
- Type of change that creates a new substance
- Table that arranges elements by atomic number
- Gases in Group 18
- When a solid becomes a liquid
- A substance that accepts protons
- A subatomic particle with no charge
- Amount of matter in an object
- A homogeneous mixture
- The substance that is dissolved
- Connection between atoms
- Unstable atoms that emit radiation
31 Clues: Gases in Group 18 • Loss of electrons • Gain of electrons • Mass per unit volume • A homogeneous mixture • Connection between atoms • A solution with a pH of 7 • When a liquid becomes a gas • When a solid becomes a liquid • Amount of matter in an object • Solid changing directly to gas • The substance that is dissolved • A substance that accepts protons • ...
Chemistry 2025-05-20
Across
- Atom that gains electrons and becomes more negative
- identity of substance changes. Products have different properties
- low kinetic energy, particles move around but still close together; fixed volume but variable shape
- a chemical element that readily gains/loses electrons to form negative or positive ions
- measure of how easily an element will combine with other elements to form compounds
- process in which one or more different substances are changed into one or more new substances by the reorganization of their atoms
- the smallest particle of an element or matter; not visible to the naked eye
- low kinetic energy, particles vibrate but cannot move around; Fixed shape and volume
- centrally located; affected by protons and neurons present
- formed when electrons (e-) are shared between 2 nonmetals, there are 2 types
- Central portion of an atom
- atoms of the same element with different masses
Down
- very high kinetic energy, collision with enough energy to break into charged particles (+/-)
- most atoms form bonds to have 8 valence electrons in their outermost shell
- atom that loses electrons and becomes more positive
- formed when electrons (e-) are transferred from a metal to a non-metal ion
- amount of matter per unit volume
- can be observed without changing the identity of the substance
- measure of how closely an atom can hold a shared electron to its cloud/orbital
- high kinetic energy, particles separate and move throughout container; variable shape and volume
- metals underneath the staircase of the Periodic Table
- distance from the nucleus to the outermost electron orbital
- the largest classification on the periodic table
- amount of space an object takes up
24 Clues: Central portion of an atom • amount of matter per unit volume • amount of space an object takes up • atoms of the same element with different masses • the largest classification on the periodic table • Atom that gains electrons and becomes more negative • atom that loses electrons and becomes more positive • metals underneath the staircase of the Periodic Table • ...
CHEMISTRY 2025-05-21
Across
- A reaction that absorbs heat
- A process where plants convert light energy into chemical energy
- The substance that dissolves another substance in a solution
- A reaction that releases heat
- To become dispersed throughout a solvent
- A chemical equation where the number of atoms of each element is the same on both sides
- A change in which substances are transformed into new substances
- A homogenous mixture where one substance is dissolved in another
- A chemical process involving rapid oxidation, often with fire
- A reaction where one element replaces another in a compound
- The substance formed after a chemical reaction
- The starting substances in a chemical reaction
Down
- A substance that speeds up a chemical reaction
- The process where an element loses electrons
- DISPLACEMENT A reaction where two compounds exchange ions
- A slow chemical process that eats away metal surfaces
- A representation of a chemical reaction using symbols and formulas
- A form of energy often involved in chemical reactions
- The process where an element gains electrons
- A solid that forms from a solution during a chemical reaction
20 Clues: A reaction that absorbs heat • A reaction that releases heat • To become dispersed throughout a solvent • The process where an element loses electrons • The process where an element gains electrons • A substance that speeds up a chemical reaction • The substance formed after a chemical reaction • The starting substances in a chemical reaction • ...
Chemistry 2025-07-21
Across
- / Properties such as melting and boiling point
- / Chemical bonds formed through transferring of electrons
- / Smoke, fog, gel, mayonnaise, and marshmallows
- / Chemical bonds formed through sharing of electrons
- / Properties that depend on the amount of substance
- / Chemical bonds forming a “sea of electrons” that are free to move around
- - Accepts proton and produces OH- ions in solutions
- / Semiconductors of heat and electricity
- / Matter consisting of particles that neither has definite shape nor definite volume
- / Compounds containing the element carbon
Down
- / Consists of two or more elements or kinds of atoms
- / Matter that takes the shape of their containers
- / Compounds without carbon, mostly found on minerals and earthy materials
- / Composed of two or more elements or compounds that can be separated through physical means
- / Mixture with uniform properties and composition throughout
- / Milk of magnesia and syrups
- / Matter made from charged particles, such as ions and electrons
- / Good conductors of heat and electricity
- - Turns blue litmus paper to red
- / Simplest form of substances
20 Clues: / Milk of magnesia and syrups • / Simplest form of substances • - Turns blue litmus paper to red • / Semiconductors of heat and electricity • / Good conductors of heat and electricity • / Compounds containing the element carbon • / Properties such as melting and boiling point • / Smoke, fog, gel, mayonnaise, and marshmallows • ...
Chemistry 2024-12-19
Across
- pH level of neutral substance
- Chemical reaction that releases heat
- Type of bond formed by losing or gaining electrons
- where oxygen is added to a substance
- Chemical substance that speeds up reactions
- Type of ion formed when an atom gains electrons
- number of atoms or ions in one mole of a substance
- group of two or more atoms that are held together by attractive forces known as chemical bon
- any atom or group of atoms that bears one or more charge
- Reaction between an acid and a base
- Substance made of two or more elements chemically combined
Down
- process by which electric current is passed through a substance
- A process where gas turns into liquid
- A process where electrons are gained
- type of bonding in metals
- chemical formula showing the simplest ratio of the elements rather than the total number of atoms in the molecule
- Group elements in group 7
- pH level of a strong acid
- mixture where particles are evenly distributed
- Ion with positive charge
20 Clues: Ion with positive charge • type of bonding in metals • Group elements in group 7 • pH level of a strong acid • pH level of neutral substance • Reaction between an acid and a base • A process where electrons are gained • Chemical reaction that releases heat • where oxygen is added to a substance • A process where gas turns into liquid • ...
CHEMISTRY 2024-12-20
Across
- A bond formed by the attraction between free-floating electrons and metal ions (8 letters).
- A state where forward and reverse reactions occur at the same rate (11 letters).
- The substance in which a solute dissolves to form a solution (7 letters).
- A high-energy state of matter where electrons are stripped from atoms (6 letters).
- The minimum energy required for a reaction to occur (16 letters).
- Atoms of the same element with different numbers of neutrons (7 letters).
- The number of protons in an atom's nucleus (12 letters).
- The heat content of a system (8 letters).
- A symbolic representation of a chemical reaction (8 letters).
- Movement of particles from an area of higher concentration to lower concentration (9 letters).
- The process of using electricity to decompose a compound (12 letters).
- A starting substance in a chemical reaction (8 letters).
- A state of matter with a definite shape and volume (5 letters).
- A type of chemical bond where electrons are shared (8 letters).
- Gain of electrons during a chemical reaction (9 letters).
- The negative electrode in electrolysis (7 letters).
- A neutral particle in the nucleus (7 letters).
- A reaction between an acid and a base to form water and a salt (14 letters).
- A type of chemical bond formed by the transfer of electrons (5 letters).
- Two or more atoms bonded together (8 letters).
Down
- The theory that particles must collide with sufficient energy to react (15 letters).
- An insoluble solid that forms during a chemical reaction (11 letters).
- A representation of a substance using chemical symbols (7 letters).
- The smallest unit of matter (4 letters).
- A state of matter that takes the shape of its container but has a fixed volume (6 letters).
- A substance formed as a result of a chemical reaction (7 letters).
- The speed at which a chemical reaction occurs (13 letters).
- A negatively charged particle orbiting the nucleus (8 letters).
- Transition of a substance directly from solid to gas without becoming a liquid (11 letters).
- Loss of electrons during a chemical reaction (9 letters).
- A principle that predicts the effect of changes in equilibrium (11 letters).
- A reaction that releases heat (10 letters).
- The positive electrode in electrolysis (5 letters).
- A substance that speeds up a reaction without being consumed (8 letters).
- A positively charged particle in the nucleus (6 letters).
- An atom or molecule with a net electric charge (3 letters).
- A reaction where the products can reform into reactants (10 letters).
- The joining of atoms to form molecules or compounds (7 letters).
- A state of matter with no fixed shape or volume (3 letters).
- A reaction that absorbs heat (10 letters).
- The amount of a substance in a given volume (13 letters).
41 Clues: The smallest unit of matter (4 letters). • The heat content of a system (8 letters). • A reaction that absorbs heat (10 letters). • A reaction that releases heat (10 letters). • A neutral particle in the nucleus (7 letters). • Two or more atoms bonded together (8 letters). • The positive electrode in electrolysis (5 letters). • ...
chemistry 2024-12-12
Across
- two phases - the dispersed phase and the dispersion medium. Colloidal systems
- solids adsorb gases. The extent of adsorption of a gas on a solid depends upon
- than in the bulk. The substance adsorbed is known as adsorbate and the
- oil in water type and (ii) water in oil type. The process of making emulsion is
- of gas, nature of solid, surface area of the solid, pressure of gas and
- on which adsorption takes place is called adsorbent. In physisorption,
- dispersion medium (ii) nature of interaction between the dispersed phase and
- added. Soaps and detergents are most frequently used as emulsifiers. Colloids find
- changing the colloidal particles in a sol into the insoluble precipitate by addition
- some suitable electrolytes is known as coagulation. Emulsions are colloidal systems
- is the phenomenon of attracting and retaining the molecules of a
- of the reactants.
- on the surface of a solid resulting into a higher concentration on the
- In homogeneous catalysis, the catalyst is in the same phase as are the
- of gas. The relationship between the extent of adsorption (x/m) and
- classified in three ways depending upon (i) physical states of the dispersed phase
Down
- solutions are intermediate between true solutions and suspensions.
- medium and (iii) nature of particles of dispersed phase. The colloidal
- and in heterogeneous catalysis the catalyst is in a different phase from
- adsorbate is held to the adsorbent by strong chemical bond. Almost
- as emulsification. To stabilise an emulsion, an emulsifying agent or emulsifier
- getting used up in the reaction. The phenomenon using catalyst is known as
- of the gas at constant temperature is known as adsorption isotherm.
- is held to the adsorbent by weak van der Waals forces, and in
- size of the colloidal particles range from 1 to 1000 nm. A colloidal system consists
- which both dispersed phase and dispersion medium are liquids. These can be of:
- show interesting optical, mechanical and electrical properties. The process
- applications in industry as well as in daily life.
28 Clues: of the reactants. • applications in industry as well as in daily life. • is held to the adsorbent by weak van der Waals forces, and in • is the phenomenon of attracting and retaining the molecules of a • solutions are intermediate between true solutions and suspensions. • adsorbate is held to the adsorbent by strong chemical bond. Almost • ...
chemistry 2024-12-12
Across
- two phases - the dispersed phase and the dispersion medium. Colloidal systems
- solids adsorb gases. The extent of adsorption of a gas on a solid depends upon
- than in the bulk. The substance adsorbed is known as adsorbate and the
- oil in water type and (ii) water in oil type. The process of making emulsion is
- of gas, nature of solid, surface area of the solid, pressure of gas and
- on which adsorption takes place is called adsorbent. In physisorption,
- dispersion medium (ii) nature of interaction between the dispersed phase and
- added. Soaps and detergents are most frequently used as emulsifiers. Colloids find
- changing the colloidal particles in a sol into the insoluble precipitate by addition
- some suitable electrolytes is known as coagulation. Emulsions are colloidal systems
- is the phenomenon of attracting and retaining the molecules of a
- of the reactants.
- on the surface of a solid resulting into a higher concentration on the
- In homogeneous catalysis, the catalyst is in the same phase as are the
- of gas. The relationship between the extent of adsorption (x/m) and
- classified in three ways depending upon (i) physical states of the dispersed phase
Down
- solutions are intermediate between true solutions and suspensions.
- medium and (iii) nature of particles of dispersed phase. The colloidal
- and in heterogeneous catalysis the catalyst is in a different phase from
- adsorbate is held to the adsorbent by strong chemical bond. Almost
- as emulsification. To stabilise an emulsion, an emulsifying agent or emulsifier
- getting used up in the reaction. The phenomenon using catalyst is known as
- of the gas at constant temperature is known as adsorption isotherm.
- is held to the adsorbent by weak van der Waals forces, and in
- size of the colloidal particles range from 1 to 1000 nm. A colloidal system consists
- which both dispersed phase and dispersion medium are liquids. These can be of:
- show interesting optical, mechanical and electrical properties. The process
- applications in industry as well as in daily life.
28 Clues: of the reactants. • applications in industry as well as in daily life. • is held to the adsorbent by weak van der Waals forces, and in • is the phenomenon of attracting and retaining the molecules of a • solutions are intermediate between true solutions and suspensions. • adsorbate is held to the adsorbent by strong chemical bond. Almost • ...
chemistry 2025-10-12
Across
- Alat laboratorium yang digunakan untuk mengekstraksi minyak atsiri secara kontinu.
- Serat putih dari biji pohon randu yang dipakai untuk bantal dan kasur.
- Alat untuk memanaskan bahan alam dengan pengendalian suhu dalam ekstraksi.
- Zat manis yang berasal dari tebu atau aren.
- Bahan baku alami yang belum diolah, misalnya daun kering atau akar kering
- Cairan kental dari pohon karet yang bisa diolah jadi ban.
- Metode pemisahan campuran berdasarkan perbedaan titik didih cairan.
- Cairan hasil penyarian tumbuhan obat yang masih mengandung pelarut.
- Metode ekstraksi yang dilakukan dengan cara pemanasan perlahan menggunakan air sebagai pelarut.
- Bahan alam berwarna hitam hasil pembakaran kayu tidak sempurna.
- Hasil proses pengeringan bahan alam agar bisa disimpan lama.
Down
- Alat kaca berbentuk silinder panjang dengan skala untuk mengukur volume cairan.
- Metode pemisahan senyawa menggunakan media kertas dan pelarut.
- Metode penyarian bahan alam dengan cara merendam simplisia dalam pelarut pada suhu kamar.
- Zat aktif yang memberi aroma khas pada daun, bunga, atau biji dan larut dalam minyak
- Istilah untuk bahan kimia yang dipakai untuk menarik zat aktif dari bahan alam
- Mineral alam yang menjadi bahan utama pembuatan kaca
- Metode yang digunakan untuk mengetahui komponen senyawa dalam minyak atsiri dengan gas sebagai fase gerak.
- Alat sederhana yang digunakan untuk memisahkan cairan dan padatan melalui penyaringan.
- Alat untuk memotong atau mencacah simplisia sebelum diekstraksi.
20 Clues: Zat manis yang berasal dari tebu atau aren. • Mineral alam yang menjadi bahan utama pembuatan kaca • Cairan kental dari pohon karet yang bisa diolah jadi ban. • Hasil proses pengeringan bahan alam agar bisa disimpan lama. • Metode pemisahan senyawa menggunakan media kertas dan pelarut. • Bahan alam berwarna hitam hasil pembakaran kayu tidak sempurna. • ...
chemistry! 2025-11-25
Across
- Decreasing concentration of a solute in a solution
- Outermost electron shell
- atom with less electrons than neutral
- NO2
- Bond involving the equal sharing of electrons
- Reaction that forms water and carbon dioxide
- Positively charges subatomic particle
- Difference in electronegativity between two bonded atoms
- electron geometry with 6 bond types and no lone pairs
- Measurement for energy (force)
- Periodic group containing Nitrogen and Phosphorus
- Negatively charged particle surrounding the nucleus
- Base unit for volume
- electron geometry with 3 bond types and 1 lone pair
- Periodic group preceding noble gases
- The central atom in a Cl2SeO molecule?
- Reaction that results in a solid from aqueous reactants
- Moles of solute / volume of solution =
- 6.626e10-34
- Electron geometry with a 180 degree angle
Down
- NH3
- Distance from peak to peak, represented by lambda
- Bond between a metal & nonmetal, for example
- Same number of protons, different number of neutrons
- thousand, prefix
- Neutral atom with the configuration [Ne]3s2,3p4
- The central atom in a BrNO molecule?
- Two ions/atoms with the same electron configuration
- Electron geometry with 4 bond types and no lone pairs
- atom with higher negative charge than neutral
- C2H2O2
- atom with a varied charge than neutral
- number of electrons in a full p orbital
- number of electrons in a full d orbital
- Negatively charged subatomic particle
- Reaction that forms a water and a salt
- millionth, prefix
- CN-
38 Clues: NH3 • NO2 • CN- • C2H2O2 • 6.626e10-34 • thousand, prefix • millionth, prefix • Base unit for volume • Outermost electron shell • Measurement for energy (force) • The central atom in a BrNO molecule? • Periodic group preceding noble gases • atom with less electrons than neutral • Positively charges subatomic particle • Negatively charged subatomic particle • ...
Chemistry 2016-03-21
Across
- The substance the solute is dissolved in, makes up the largest portion of a solution.
- Composed of ions and free electrons; does not have a definite shape or volume.
- Changing from a liquid to a gas.
- A combination of two or more pure substances that do not chemically bond.
- Changing directly from a gas to a solid without first becoming a liquid.
- Changing from a gas to a liquid.
- The attraction between molecules of different substances.
- Matter that has a definite shape and volume.
- occurs at temperatures below the boiling point on the surface of the liquid.
- Changing from a solid to a liquid.
- Matter that has a definite volume but not a definite shape.
Down
- Changing from a gas to a plasma.
- A mixture with particles that are not evenly spread out or dispersed.
- A mixture with particles that are evenly spread out, or dispersed.
- Changing from a solid to a gas without first becoming a liquid.
- A homogeneous mixture in which very small particles of one substance are dissolved completely in another substance.
- A heterogeneous mixture in which small particles, larger than those in a solution or colloid, are dispersed in a liquid or gas.
- Divided into a pure substance or a mixture.
- Changing from a plasma to a gas.
- Changing from a liquid to a solid.
- The attraction molecules of a substance have for one another.
- Matter that does not have a definite shape or volume.
- Occurs when a liquid reaches its boiling point.
- A mixture in which small particles of one substance are dispersed, but not dissolved, into particles of another substance.
24 Clues: Changing from a gas to a plasma. • Changing from a liquid to a gas. • Changing from a plasma to a gas. • Changing from a gas to a liquid. • Changing from a liquid to a solid. • Changing from a solid to a liquid. • Divided into a pure substance or a mixture. • Matter that has a definite shape and volume. • Occurs when a liquid reaches its boiling point. • ...
Chemistry 2016-08-30
Across
- Subatomic particle with a positive charge (6)
- change Reaction forming nothing new (8,6)
- Centre of an atom (7)
- Substance with lots of hydrogen ions (4)
- Where electrons are found in an atom (5)
- Reacting an acid and a base (14)
- Substance with lots of hydroxide ions (4)
- Lots of acid/base particles and little water (12)
- Being able to shape metals (12)
- Subatomic particle with a negative charge (8)
- Lots of water and few acid/base particles (6)
- Elements on the left side of the Periodic Table (6)
- Shininess of metals (6)
- Term given to electrons in outer shell of an atom (7)
- A charged atom (3)
- Subatomic particle with no charge (7)
Down
- Measure of acidity or basicity (2,5)
- Having a high pH (5)
- Number of protons in an atom (6,6)
- Made of two or more types of bonded atoms (8)
- Protons and neutrons in an atom (4,6)
- Chemical used to test for carbon dioxide (9)
- Reaction forming new substances (8,6)
- Product in acid-carbonate reaction (6,7)
- Drawing metals into wires (9)
- Having a low pH (6)
- Mixed metals (6)
- Made up of different unbonded atoms (7)
- A pH of 7 means this (7)
- Product in all acid reactions (4)
- Base that dissolves in water (6)
- Made of one type of atom (7)
- Seen when a gas is produced (7)
33 Clues: Mixed metals (6) • A charged atom (3) • Having a low pH (6) • Having a high pH (5) • Centre of an atom (7) • Shininess of metals (6) • A pH of 7 means this (7) • Made of one type of atom (7) • Drawing metals into wires (9) • Being able to shape metals (12) • Seen when a gas is produced (7) • Reacting an acid and a base (14) • Base that dissolves in water (6) • ...
Chemistry 2016-02-11
Across
- smallest part of an atom
- odorless, colorless, low chemical reactivity
- created the periodic table
- of metals and Non-metals
- center of an atom
- energy cannot be created or destroyed
- number of electrons
- substance that cannot be broken down
- energy given off
- neutral charge
- two or more elements combined
- column on the P.T
Down
- one ring in a shell
- smallest particle in a chemical element
- outermost electron in shell
- row on the P.T
- positively charged
- mass of an atomic particle
- negative charge
- energy absorbed
- abbreviation of element
- does not conduct, brittle
- what is reacted upon
- hard, opaque, shiny, good conductivity
- coating
- the result of a reaction
26 Clues: coating • row on the P.T • neutral charge • negative charge • energy absorbed • energy given off • center of an atom • column on the P.T • positively charged • one ring in a shell • number of electrons • what is reacted upon • abbreviation of element • smallest part of an atom • of metals and Non-metals • the result of a reaction • does not conduct, brittle • mass of an atomic particle • ...
Chemistry 2016-02-10
Across
- what is formed after a chemical reaction
- conductor of electricity can be melted
- the mass of an atom
- great stability and low reaction rates
- mass stays the same after a chemical reaction
- basic substance made of atoms
- developed periodic table
- two or more elements to combine
- horizontal row
- part of the nucleus and has no charge
- smallest possible substance
- putting a thin layer of metal over something
Down
- changes when combined
- central part of an atom
- tells how many protons are in an atom
- travels around nucleus and has negative charge
- the electron in the outer most orbital
- part of the nucleus has a positive charge
- produces heat
- lacks characteristics of a metal
- abbreviation of an element
- absorbs heat
- between a metal and a nonmetal
- smallest unit of any amount of matter
- ring of an atom
- column
26 Clues: column • absorbs heat • produces heat • horizontal row • ring of an atom • the mass of an atom • changes when combined • central part of an atom • developed periodic table • abbreviation of an element • smallest possible substance • basic substance made of atoms • between a metal and a nonmetal • two or more elements to combine • lacks characteristics of a metal • ...
Chemistry 2016-02-10
Across
- two electrons and is associated with a region of a chemical bond
- no electric charge
- the smalles unit of an element
- the material of chemical gas or metal that is on the periodic table
- positively charged element
- can form alloys with metals
- energy is released
- 18 numbers groups on the periodic table
- the mass of the products in a chemical reaction must equal the mass of the reactants
- energy is absorbed
- to place farmers do what to crops every year
- a group of atoms bonded together
- changes during a reaction
- consists of protons and electrons
- the letters of an element (au)
Down
- electrons participate in thr formation of a chemical bond
- very brittle and cannot be made into wire
- developed the periodic table
- what you get after you mix things together
- helium
- contains the same amount of protons and electrons
- their absorbency
- composed of two or more separate elements
- negatively charged
- how the elements are arranged with increasing atomic numbers
- sodium, alike metals has one electron
26 Clues: helium • their absorbency • no electric charge • energy is released • negatively charged • energy is absorbed • changes during a reaction • positively charged element • can form alloys with metals • developed the periodic table • the smalles unit of an element • the letters of an element (au) • a group of atoms bonded together • consists of protons and electrons • ...
Chemistry 2016-12-19
Across
- A nuclear reaction when a large nucleus splits into two smaller nuclei.
- A type of reaction that can convert an atom into an atom of another element.
- A word used to describe when a substance is able to be stretched into wires.
- A special type of reaction when a substance reacts with oxygen gas.
- A base that will dissolve in water.
- A type of reaction that releases heat.
- A substance that turns litmus paper blue.
- The name given to the reaction used by plants to produce sugar.
- A word used to describe when a substance is able to be hammered into new shapes.
- Subatomic particle with a negative charge.
- The name given the substances you are left with after a chemical reaction.
- The chemical symbol NA is for which atom?
Down
- The name given to the cluster of protons and neutrons at the centre of an atom.
- The name given to a cluster of atoms.
- A type of reaction that absorbs heat from the surroundings.
- A mixture of a base metal and small amounts of other elements.
- An atom that becomes electrically charged from losing or gaining electrons.
- There are 118 known types of atoms, and only 98 are found ________ on Earth.
- A substance that turns litmus paper red.
- The name given to substances you start with in a chemical reaction.
- A substance that is made up of different types of atoms.
- A chemical that changes colour to show if a substance is acidic, neutral, or basic.
- The name given to an atom that has the same number of protons but a different number of neutrons.
- A substance that is made up of one type of atom.
- Subatomic particle that is found in the cloud that surrounds the nucleus.
- the product formed when iron reacts with water.
- Subatomic particle with a positive charge.
27 Clues: A base that will dissolve in water. • The name given to a cluster of atoms. • A type of reaction that releases heat. • A substance that turns litmus paper red. • A substance that turns litmus paper blue. • The chemical symbol NA is for which atom? • Subatomic particle with a negative charge. • Subatomic particle with a positive charge. • ...
Chemistry 2017-09-25
Across
- measurement of heat
- depends on the amount of matter in something ex Mass
- Basic unit of life
- Absorbing heat
- 1 or more elements
- non reversible change
- anything that has mass and takes up space
- mixture of something into a liquid ex saltwater
- Substance made by mixing other substances
- Data with number
- doesn't depend on the amount of matter in something ex color
Down
- amount of heat in something
- Outside change
- combination of 2 or more pure substances
- released in energy transfer
- Releasing heat
- Made of only one type of atom or molecule
- Density problem
- unit of work or energy
- Physical data color feel
20 Clues: Outside change • Absorbing heat • Releasing heat • Density problem • Data with number • Basic unit of life • 1 or more elements • measurement of heat • non reversible change • unit of work or energy • Physical data color feel • amount of heat in something • released in energy transfer • combination of 2 or more pure substances • Made of only one type of atom or molecule • ...
Chemistry 2017-09-25
Across
- Releasing heat
- Made of only one type of atom or molecule
- Something physical about the substance
- depends on the amount of matter in something ex Mass
- amount of heat in something
- released in energy transfer
- Substance made by mixing other substances
- non reversible change
- unit of work or energy
- Absorbing heat
- 1 or more elements
Down
- Physical data color feel
- combination of 2 or more pure substances
- doesn't depend on the amount of matter in something ex color
- Data with number
- Outside change
- anything that has mass and takes up space
- Basic unit of life
- mixture of something into a liquid ex saltwater
- measurement of heat
- Density problem
21 Clues: Releasing heat • Outside change • Absorbing heat • Density problem • Data with number • Basic unit of life • 1 or more elements • measurement of heat • non reversible change • unit of work or energy • Physical data color feel • amount of heat in something • released in energy transfer • Something physical about the substance • combination of 2 or more pure substances • ...
Chemistry 2017-09-13
Across
- a chemical combination of two or more atoms of different elements
- Everything that exists in the universe is either made of matter or this, which does not occupy space or have mass
- Anything that occupies space, has physical and chemical properties
- an unstable mixture of two or more immiscible substances, plus an emulsifier
- a chemical reaction in which oxygen is subtracted from or hydrogen is added to a substance
- unstable physical mixture of undissolved particles in a liquid, glitter nail polish
- the basic unit of matter with a nucleus, that cannot be divided into simpler form
- 7 on the pH scale
- the tail of a surfactant molecule that is oil loving
- Physical ______ is a combination of substances held together by physical rather than chemical
- a molecule containing two or more atoms of the same element
- properties are characteristics that can only be determined by a chemical reaction
- 2wds. The study of all substances containing carbon
- physical _______ are characteristics that can be determined without a chemical reaction
- rapid oxidation of a substance with heat and light
- a substance that allows oil and water to mix
Down
- universal solvent
- a chemical combination of two or more atoms
- the simplest form of chemical matter
- the head of a surfactant molecule that is water loving
- aka oxidation-reduction, a chemical reaction which oxidation and reduction take place at the same time
- when one chemical changes it state of matter, it is called
- combining a substance with oxygen to produce oxide
- the separating of a substance into ions
- what is made when sugar is dissolved in water
- liquids that mix easily are known to be this
- a liquid used to dissolve a substance
- another name for bases is
- 2wds. The branch of chemistry that deals with products that do not contain carbon.
- Reducing _____ is a substance that adds hydrogen to a chemical compound or subtracts oxygen from a compound
30 Clues: universal solvent • 7 on the pH scale • another name for bases is • the simplest form of chemical matter • a liquid used to dissolve a substance • the separating of a substance into ions • a chemical combination of two or more atoms • liquids that mix easily are known to be this • a substance that allows oil and water to mix • what is made when sugar is dissolved in water • ...
Chemistry 2017-11-08
Across
- the number of protons in the nucleus of an atom
- workplace hazardous materials information system
- change in appearance or state
- when a gas changes to a solid
- the mixture of magic and chemistry
- can eat away or corrode
- when non-metal combine
- mixture of two or more pure substances that look like one substance
- the mass of all protons and neutrons in an atom
- ability to conduct electricity or heat
- made up of one type of matter
- chemical reaction that absorbs heat energy
- substances in a reaction
Down
- contaminated material that is a threat to humans and health
- the center of an atom
- when a solid changes to a gas
- mixture in which the different substances are visible
- when a new substance is formed and non-reversible
- pure substance that cannot broken down any further
- chemical reaction that releases heat energy
- a compound of a metal and non-metal
- electrically charged atoms
- can be in between metals and non-metals
- shiniest of a substances,
- the horizontal rows on the periodic table
25 Clues: the center of an atom • when non-metal combine • can eat away or corrode • substances in a reaction • shiniest of a substances, • electrically charged atoms • when a solid changes to a gas • change in appearance or state • when a gas changes to a solid • made up of one type of matter • the mixture of magic and chemistry • a compound of a metal and non-metal • ...
CHEMISTRY 2017-03-19
Across
- Substance formed by the combination of elements in fixed proportions
- Molecule that has gained or lost one or most electrons
- Substance that cannot be decomposed into simpler substances
- Has mass and occupies space
- Chemical element in its smallest form; Made up of neutrons and protons
- Table that shows the names and symbols of the chemical elements
- Chemical with a bitter taste whose pH is greater than 7
- Phase with no definite shape or volume
- Type of heterogeneous mixture that is made up of suspended solid particles
- Phase transition from solid into gas
- Element with the symbol He
Down
- Mixture made up of one phase
- Amount of mass per unit of volume
- Logarithmic scale for expressing the acidity of alkalinity of a solution
- Mixture made up of more than one phase
- Unit of measure for temperature based upon an absolute scale
- Devise used to measure the pressure in the atmosphere
- Chemical with a sour taste whose pH is less than 7
- Homogeneous mixture of a liquid (the solvent) with a gas or solid (the solute)
- Material that allows electric flow more freely
20 Clues: Element with the symbol He • Has mass and occupies space • Mixture made up of one phase • Amount of mass per unit of volume • Phase transition from solid into gas • Mixture made up of more than one phase • Phase with no definite shape or volume • Material that allows electric flow more freely • Chemical with a sour taste whose pH is less than 7 • ...
Chemistry 2018-03-13
Across
- the chemicals required in order for a reaction to occur
- the reaction that produces energy in the cells of living organisms
- negatively charged sub-atomic particle in an atom
- the scientist who discovered the nucleus of an atom by shooting alpha particles through gold foil
- an atom that has gained or lost an electron
- the name given to a chemical reaction where heat is produced
- the atom with the atomic number 19 and the symbol K
- the number of electrons that can be held in the first shell of an atom
- number the name given to the number of protons plus the number of neutrons in an atom
- the non-gas reactant in cell respiration
- gases very unreactive group on the periodic table
Down
- earth metals the name given to group 2 metals on the periodic table
- the name given to a chemical reaction where heat is absorbed
- the scientist who came up with the plum pudding model of the atom
- the gas produced through cell respiration
- the name of the chemical process plants use to produce glucose
- the part of an atom that has no charge
- positively charged sub-atomic particle in an atom
- the chemicals produced in a chemical reaction
- the number of electrons that can be held in the 2nd shell of an atom
20 Clues: the part of an atom that has no charge • the non-gas reactant in cell respiration • the gas produced through cell respiration • an atom that has gained or lost an electron • the chemicals produced in a chemical reaction • negatively charged sub-atomic particle in an atom • positively charged sub-atomic particle in an atom • ...
Chemistry 2018-08-30
Across
- apparatus- laboratory equipment
- variable- a variable (often denoted by y ) whose value depends on that of another.
- the real physical matter of which a person or thing consists and which has a tangible, solid presence.
- intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.
- a diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.
- Factor- an arithmetical multiplier for converting a quantity expressed in one set of units into an equivalent expressed in another.
- units- A system of measurement in which the basic units are the meter, the second, and the kilogram.
- analysis- analysis using the fact that physical quantities added to or equated with each other must be expressed in terms of the same fundamental quantities (such as mass, length, or time) for inferences to be made about the relations between them.
- the quality, condition, or fact of being exact and accurate.
- a statement of fact, deduced from observation, to the effect that a particular natural or scientific phenomenon always occurs if certain conditions are present.
- method- a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
- thinking-the objective analysis and evaluation of an issue in order to form a judgment.
- the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
Down
- a coherent, typically large body of matter with no definite shape.
- a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
- variable- a variable (often denoted by x ) whose variation does not depend on that of another.
- an individual thing regarded as single and complete but which can also form an individual component of a larger or more complex whole.
- a conceptual structure or entity on which something draws or depends.
- a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
- the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.
- a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
- figures- each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first nonzero digit.
- a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.
- the quality or state of being correct or precise.
24 Clues: apparatus- laboratory equipment • the quality or state of being correct or precise. • the quality, condition, or fact of being exact and accurate. • a coherent, typically large body of matter with no definite shape. • a conceptual structure or entity on which something draws or depends. • ...
Chemistry 2018-09-02
20 Clues: โมล • กรด • เบส • แก๊ส • ดีบุก • ไอออน • ตะกั่ว • สังกะสี • โมเลกุล • ของเหลว • โซเดียม • ของแข็ง • ประจุบวก • ออกซิเจน • แคลเซียม • สารละลาย • ตัวทำละลาย • ตัวถูกละลาย • พันธะไอออนิก • พันธะโคเวเลนต์
Chemistry 2018-10-29
Across
- what are a good conductors of heat and electricity
- Isotope is an _______ version of that atom
- the ________ & neutrons are found in the center of the area
- pure substances composed of two or more different elements that are chemically joined are called
- electrons have _________ charge
- metals: what kind of metals are the most reactive metals
- electrons: the electrons int the outermost shell of any element are called
- the number of vaance electrons
- energy rings contain what
- the heaviest metal on the periodic table
- a horizontal row on a period table
- where are protons and neutrons found
- adding a neutron makes an _________ of that atom
- most of the elements on the periodic table occur as ______ at room tempertaure.
- what kind of elements are more stable when joined in a pair
- ________ consist of only kind of atom
- rings: electrons live in something called shells or _________________
- model: what shows all of the particles in the atom
- the lightest metal on the periodic table
- what do neutrons have none of
- lightest non-metal
Down
- what state of matter does iron appear at room temprature
- anything that takes up space and has mass
- the most reactive non-metals are the __________
- what is it called when there ia a number beside the element's symbol?
- hundred fourteen: how many elements are known at the present time
- metals: another name for group 5
- dot structure: only shows the elements symbol and it's outer most electron shell
- how many electrons can the 3rd energy ring hold up too.
- atomic mass is the number of protons and ______
- there are seven elements that form _______ consisting of two atoms
- matter is made up of....
- atoms: compounds always contain the same ratio of __________
- table: is a list of all the elements that can build matter
- The periodic table is a little like the alphabet of.......
- bond: what kind of a bond occurs between a non metal and a metal
- many of the non metals and hydrogen
- only _______ and bromine can be found as liquid on the periodic table
- element's ________ is an abbreviation for the element
- number: is the number of protons and neutrons
- gases: what kind of gases are stable and do not react with anything
41 Clues: lightest non-metal • matter is made up of.... • energy rings contain what • what do neutrons have none of • the number of vaance electrons • electrons have _________ charge • metals: another name for group 5 • a horizontal row on a period table • many of the non metals and hydrogen • where are protons and neutrons found • ________ consist of only kind of atom • ...
Chemistry 2018-10-29
Across
- ________ consist of only kind of atom
- the heaviest metal on the periodic table
- anything that takes up space and has mass
- number is the number of protons and neutrons
- a horizontal row on a period table
- many of the non metals and hydrogen
- Isotope is an _______ version of that atom
- there are seven elements that form _______ consisting of two atoms
- rings electrons live in something called shells or _________________
- metals another name for group 5
- table is a list of all the elements that can build matter
- element's ________ is an abbreviation for the element
- The periodic table is a little like the alphabet of.......
- pure substances composed of two or more different elements that are chemically joined are called
- what are a good conductors of heat and electricity
- electrons have _________ charge
- lightest non-metal
- the lightest metal on the periodic table
- gases what kind of gases are stable and do not react with anything
Down
- hundred fourteen how many elements are known at the present time
- metals what kind of metals are the most reactive metals
- atomic mass is the number of protons and ______
- adding a neutron makes an _________ of that atom
- only _______ and bromine can be found as liquid on the periodic table
- where are protons and neutrons found
- the ________ & neutrons are found in the center of the area
- determines the number of vaance electrons
- bond what kind of a bond occurs between a non metal and a metal
- the most reactive non-metals are the __________
- what do neutrons have none of
- electrons the electrons int the outermost shell of any element are called
- what kind of elements are more stable when joined in a pair
- what is it called when there ia a number beside the element's symbol?
- energy rings contain what
- atoms compounds always contain the same ratio of __________
- most of the elements on the periodic table occur as ______ at room tempertaure.
- matter is made up of....
- elements ______ be broken down into simpler type of matter
- how many electrons can the 3rd energy ring hold up too.
- what state of matter does iron appear at room temprature
- dot structure only shows the elements symbol and it's outer most electron shell
- model what shows all of the particles in the atom
42 Clues: lightest non-metal • matter is made up of.... • energy rings contain what • what do neutrons have none of • metals another name for group 5 • electrons have _________ charge • a horizontal row on a period table • many of the non metals and hydrogen • where are protons and neutrons found • ________ consist of only kind of atom • the heaviest metal on the periodic table • ...
Chemistry 2018-11-12
Across
- Numerical prefix for five
- amount of mass in a given volume
- often liquid or gas at room temperature (Also solid sometimes), not shiny, don't conduct electricity(insulator), not ductile or malleable
- Can be easily separated
- Numerical prefix for three
- Numerical prefix for four
- Chemical combination of two or more elements in a specific ratio
- Cannot be separated easily
- Shininess of a substance
- pounded or rolled into sheets
- Substances that are made up of only one type of atom and cannot be broken down
- ability to dissolve into another
Down
- Solid at room temperature, Malleable(Often), Have lustre, Conduct electricity and have ductility
- The most stable and unreactive, it can make new substances sometimes
- conduct electricity or heat
- 7 Rows (Horizontal)
- substance that is made up of one type of matter and has a unique set of characteristics. You cannot separate them into different substances.
- made up of two or more types of matter and can be separated
- A table that is used to organize elements
- kind of change when a material changes state, (or appearance), but does not change composition. This process is reversible.
- 18 columns (Verticle)
- kind of change when two or more substances react to form a new substance (the new substance has different properties from the original). This process is not reversible.
- Numerical prefix for two
- Numerical prefix for one
- an atom or group of atoms that has become electrically charged because it has lost or gained electrons.
25 Clues: 7 Rows (Horizontal) • 18 columns (Verticle) • Can be easily separated • Shininess of a substance • Numerical prefix for two • Numerical prefix for one • Numerical prefix for five • Numerical prefix for four • Numerical prefix for three • Cannot be separated easily • conduct electricity or heat • pounded or rolled into sheets • amount of mass in a given volume • ...
Chemistry 2018-04-03
Across
- Neutrons being converted into protons occurs in ______ decay.
- The particle that is released in radioactive decay which is identical to a helium nucleus.
- Generally found on the right side of the periodic table.
- A collection of atoms or molecules of the same kind.
- The horizontal rows of the periodic table.
- Subatomic particle with a positive charge.
- The outer shell electrons that can participate in chemical bonding.
- Found in Group 6 Period 3.
- 2 or more elements chemically combined.
- A charged particle.
- Variants of a particular chemical element which differ in neutron number.
- Subatomic particle with no charge.
- Name of the group of gasses that are the most stable due to having the maximum amount of valence electrons their outer shell can hold.
Down
- The smallest constituent unit of ordinary matter that has the properties of a chemical element.
- The most abundant element in the universe.
- Generally found on the left side of the periodic table.
- 2 or more atoms chemically joined together.
- If an atom has an unstable nucleus it is __________.
- Subatomic particle with a negative charge.
- Element with atomic number 8.
- The vertical columns of the periodic table.
21 Clues: A charged particle. • Found in Group 6 Period 3. • Element with atomic number 8. • Subatomic particle with no charge. • 2 or more elements chemically combined. • The most abundant element in the universe. • Subatomic particle with a negative charge. • The horizontal rows of the periodic table. • Subatomic particle with a positive charge. • ...
Chemistry 2013-05-09
Across
- number of protons in nucleus
- smallest indivisible part of an element
- formed when a metal gives 1+ electrons to a non-metal so they both have full outer shells
- more reactive halogens........ less reactive ones
- giant ionic crystal
- simple covalent substance (CH4)
- group 7
- formed when metals become cations in a sea of electrons
- smallest mass and orbit the nucleus of an atom
- 2+ atoms covalently bonded together
- positive ion
- group 0
- columns in periodic table
Down
- elements that exist as 2 atoms
- burns red when in contact with air/oxygen
- metals which form coloured compounds and complex ions
- group 2
- rows in periodic table
- table with all atoms in it
- these forces are weak between covalent molecules
- 2+ atoms chemically joined together
- formed when 2+ atoms share electrons
- halogen ion
- noble gases are very ........
- poor conductor low melting point
- giant covalent structure, hardest substance known to man
- group 1
- formed by gain or loss of electrons
- good conductor, high melting point
- made up of 1 type of atom only
- total mass of protons and neutrons in an atom
31 Clues: group 2 • group 7 • group 1 • group 0 • halogen ion • positive ion • giant ionic crystal • rows in periodic table • columns in periodic table • table with all atoms in it • number of protons in nucleus • noble gases are very ........ • elements that exist as 2 atoms • made up of 1 type of atom only • simple covalent substance (CH4) • poor conductor low melting point • ...
CHEMISTRY 2013-07-25
Across
- transition elements and it is in the middle of the periodic table
- mass of substance per unit volume
- wherein substance can believe as acid or base at the same time
- refers to the number of protons equal to number of electrons
- Group or family
- constant composition precision smallest estimated value
- form strong bases
- very stable and not reactive
- a pure substance that cannot be broken down into simpler substance by a chemical reaction
- refers us to the number of exact digits plus one digit which is estimated
- responsible if condition is maintained
- all molecular motion are dead
- a measure of the full of gravity of the earth in a body
- amount of matter in an object
- combining of two or more elements in definite combination or ratio
- a miniature solar system
Down
- retain only 1 uncertain digit
- number plus unit correct of significant figure
- good element of a body
- expansion due to increase kinetic energy of molecule
- organized, systematic arrangement of known elements based on INCREASING atomic number
- a negatively charged subatomic particle
- distance from the nucleus to the last level
- rare earth elements
- smallest exact digit or line which is taken directly from device
- salt-form
- left side of the periodic table
- building blocks of element
- smallest estimated value
- right side of the periodic table
30 Clues: salt-form • Group or family • form strong bases • rare earth elements • good element of a body • smallest estimated value • a miniature solar system • building blocks of element • very stable and not reactive • retain only 1 uncertain digit • all molecular motion are dead • amount of matter in an object • left side of the periodic table • right side of the periodic table • ...
Chemistry 2013-07-25
Across
- is a basic, ionic salt of an alkali metal or alkaline earth metal chemical element.
- are atoms of the same element, having same atomic number but different atomic masses due to the difference in the number of neutrons present.
- has no charge
- A measure of the rate at which a defined amount of matter
- is a way to measure how tightly packed an object is. Denser objects have less empty space in them
- name the measure of one-dimensional objects
- The act or state of being changed from one unit into another
- positively charge
- is a measure of the thermal energy given off by moving particles
- The ability of a measurement to match the actual value of the quantity being measured
- current (from Latin tellūs, "earth"), or Earth current, is an electric current which moves underground or through the sea
- is an atom or molecule in which the total number of electrons is not equal to the total number of protons
- number the number of protons in the nucleus of an atom of an element
- is a positively charged ion. Thus it has fewer electrons than protons. It is also attracted to the cathode in the process of electrolysis
- system is a system of measurement in a decimal form (each successive unit of measure is 10 times larger or smaller than the preceding unit). Its name is from the Greek (métron, to measure).
- the amount of space an object takes up.
- basic unit of an
Down
- The halogens or halogen elements (/ˈhælədʒɨn/) are a group in the periodic table consisting of five chemically related elements, fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine
- are the elements found along the stair-step line that distinguishes metals from non-metals
- Close, careful conformity to a convention, pattern, or objective standard in minute detail.
- refering to minutes , seconds hours
- is the process observing and recording the observations that are collected as part of a research effort.
- the force that gravitation exerts upon a body
- gravity the ratio of the density of a substance
- negatively charge
- table is a tabular arrangement of the chemical elements, organized on the basis of their atomic numbers, electron configurations and etc.
- measurement is a definite magnitude of a physical quantity, defined and adopted by convention or by law, that is used as a standard for measurement
- metals comprise, at minimum, those metallic chemical elements which have historically been used as components in alloys used to mint coins.
- good conductor of heat and electricity
- the quantitative measure of inertia
30 Clues: has no charge • basic unit of an • negatively charge • positively charge • refering to minutes , seconds hours • the quantitative measure of inertia • good conductor of heat and electricity • the amount of space an object takes up. • name the measure of one-dimensional objects • the force that gravitation exerts upon a body • gravity the ratio of the density of a substance • ...
Chemistry 2013-05-24
Across
- a substance that speeds up a chemical reaction without being permanently altered
- force exerted by a gas on a surface
- amount of a substance that will dissolve in a given quantity of a solvent at a given temperature
- a type of reaction that absorbs heat
- the measure of movement of heat energy
- solutions that conduct electricity due to ions
- amount of heat required to raise the temperature of one gram of water one degree
- a type of reaction that gives off heat
- the negatively charged part of an atom
- negative ion
- mass per unit volume
- state of matter that has no definite shape and no definite volume
- state of matter that has a definite shape and definite volume
- positive ion
Down
- a substance made up of one kind of atom
- the ability to do work or produce heat
- insoluble solid that is produced when two salt solutions are reacted
- the measure of how close measurements are to one another
- heat energy
- what is doing the dissolving
- solutions that do not ocnduct electricity
- instrument that measures atmospheric pressure
- molar concentration (M)
- a substance made up of two more more elements chemically combined
- a test to prove or disprove a hypothesis
- an insulated device that is designed to trap heat energy
- the new substances produced by a chemical reaction
- disorder
- the measure of how close a measurement is to the actual value
- atoms or compounds that have a positive or negative charge as a result of gaining or losing electrons
- the way of measuring concentration (m)
- state of matter that has no definite shape but definite volume
- the substance that starts a chemical reaction
- what is being dissolved
34 Clues: disorder • heat energy • negative ion • positive ion • mass per unit volume • molar concentration (M) • what is being dissolved • what is doing the dissolving • force exerted by a gas on a surface • a type of reaction that absorbs heat • the ability to do work or produce heat • the measure of movement of heat energy • a type of reaction that gives off heat • ...
Chemistry 2013-06-13
Across
- how poisonous a substance is
- a row across the periodic table
- the ability of a substance to catch fire
- a characteristic or feature of a substance
- the ability of a substance to be drawn into wire4s
- occurs when a substance changes to produce a new substance
- a substance used up in a chemical reaction
- a particle in which two or more atoms of different non-metal elements are chemically bonded together
- both a philosophy and ancient practice of science; alchemists attempted to turn base elements into preciou metals and to create a substance that would provide immortality
- the breakdown of a metallic substance due to a chemical reaction with substances in the environment, such as oxygen and water
- a green patina caused by the reaction of copper with air or sea water over a long period of time
- a large molecule made up of small repeating subunits chemically bonded together
- occurs when the form of a substance changes, but the kind of substance remains the same; foe example, a change of state and dissolving
- a molecule consisting of two atoms ('di-' meaning 'two'; 'atomic' meaning 'atom')
- a substance made up of the same type of particle
Down
- a plastic made from starch derived from plants such as corn and potato
- the properties of substance that can be observed or examined without changing the composistion of a substance
- the ability of a substance to transfer electricity: good electrical conductors transfer electricity well; poor electrical conductors (insulaters) transfer electricity poorly
- a particle in which two or more atoms of the same non-metal elements are chemically bonded together
- a column down the periodic table
- does not break down
- the properties that show how a substance reacts when combined with other substances
- a letter (or letters)of the alphabet used to represent an atom of a specific element
- the ability of a substance to transfer heat: good heat conductors transfer well; poor heat conductors (insulators) transfer heat poorly
- how shiny a material is
- a pure substance made up of only one type of atom; cannot be broken down into a simpler substance
- a collection of symbols and numbers that represents the number of atoms in a particle of an element or compound
- the ability of a substance to bend or be hammered into different shapes
- a new substance produced in a chemical reaction
- when the chemical make-up of a substance changes, and a new substance or substances sre formed
- a pure substance made up of two or more different atoms chemically bonded together
- a compound produced when iron reacts with oxygen and water in the atmoshere
- a substance made up of different types of particle, physically combined
33 Clues: does not break down • how shiny a material is • how poisonous a substance is • a row across the periodic table • a column down the periodic table • the ability of a substance to catch fire • a characteristic or feature of a substance • a substance used up in a chemical reaction • a new substance produced in a chemical reaction • ...
Chemistry 2013-06-13
Across
- (two words)a letter (or letters) of the alphabet used to represent an atom of a specific chemical element
- a characteristic or fearure of a substance
- a pure substance made up of two or more different atoms chemically bonded together
- a row across the periodic table
- how poisonous a substance is
- (four words)a particle in which two or more atoms of different non-mental elements are chemically bonded together
- (two words)occurs when the form of a substance changes
- (two words)when the chemical make-up of a substance changes, and a new substance or substances formed
- (two words) the abililty of a substance to transfer heat
- the ability of a substance to catch fire
- a pure substance made up of only one type of atom; cannot be broken down into a similar substance
- (two words)the properties of substance that can be observed or examined without changing the composition of a substance
- (two words)a collection of symbols and numbersthat represents the number of atoms in a particle of an element or compound
- how shiny a material is
- (two words)the properties that show how a substance reacts when combined with other substances
- doesn't break down
- (two words)occurs when a substance changes to produce a new substance
- the ability of a substance to bend or be hammered into different shapes
- (two words)a substance made up of the same type of particle
- a substance used up in a chemical reaction
- a molecule consisting of two atoms
Down
- (four words)a particle in which two or more atoms of the same non-mental element are chemically bonded together
- capable of decomposing by the action of micro-organisms
- a new substance produced in a chemical reaction
- a patina caused by the reation of copper with air or sea water over a long period of time
- the breakdown of a metallic substance due to a chemical reaction with substances in the environment, such as oxygen and water
- (two words) the ability of a substance to transfer electricity
- a column down the periodic table
- both a philosophy and ancient practice of science
- a large molecule made up of small repeating subunits chemically bonded together
- a substance made up of different types of particle, physically combined
- the ability of a substance to be drawn into wires
- a compound produced when iron reacts with oxygen and water in the atmosphere
- a plastic made from starch derived from plants such as corn and potato
34 Clues: doesn't break down • how shiny a material is • how poisonous a substance is • a row across the periodic table • a column down the periodic table • a molecule consisting of two atoms • the ability of a substance to catch fire • a characteristic or fearure of a substance • a substance used up in a chemical reaction • a new substance produced in a chemical reaction • ...
CHEMISTRY 2013-07-26
Across
- building blocks of the nucleon
- quantum no. that describes the orientation of the electron wave in space
- anything that has mass and occupies volume
- equal to the number of energy level
- poor conductors of heat and electricity
- an operator with the least number of significant figures
- equal to the mass of substance per unit volume
- 2 phases or more mixture
- negative proton
- the said that the electron orbit is circular
- quantum no. that describes the shape of the electron wave
- distance of the nucleus from the last energy level
- positive electron
- 10 x f.u.
- equal to the number of electron in the outermost shell
- smallest estimated reading/value
- measure of the gravitational pull of the earth on a body
Down
- can be drawn into wire
- particle responsible for chemical reactions
- can be hammered
- substance consisting of 2 or more components
- he created the modern periodic table
- they are shiny, luster, and sheen
- 3 elements in a group with the same properties
- 1/1000000 x f.u.
- smallest region of space
- amount of matter in a body
- the lowest possible temperature
- consists of positively charged nucleus at the center; surrounded by negatively charged particle
- has mass and moves in a simple manner
- a particle inside a nucleus
31 Clues: 10 x f.u. • can be hammered • negative proton • 1/1000000 x f.u. • positive electron • can be drawn into wire • 2 phases or more mixture • smallest region of space • amount of matter in a body • a particle inside a nucleus • building blocks of the nucleon • the lowest possible temperature • smallest estimated reading/value • they are shiny, luster, and sheen • ...
Chemistry 2013-09-12
Across
- As
- rusts easily
- white and chalky
- 95
- has mass and takes up space
- larger portion in a solution
- found in bananas
- pH lower than 7
- 6.02 times 10 to the 23rd power
- makes table salt with chlorine
- Es
- Ag
- alloys well with steel
- form of matter that has a fixed volume and mass
- mixture that is not uniform in composition
- Sb
- measure of space occupied by a sample of matter
- burns with a white hot flame
- any part of a sample with uniform composition and properties
- lightest element
- matter that has a uniform and definite composition
- Rn
- a homogenous mixture
- smaller portion in a solution
- 92
Down
- 50
- oldest artificial sweetener. made by someone looking for more uses of coal tar
- Co
- a major export of Arkansas
- deals with mechanisms, rate, and energy transfer when matter undergoes a change
- amount of matter in an object
- focuses on composition of matter
- has definite shape, volume, and mass
- 59
- process that separates a solid from a liquid
- form of matter that has no definite shape, volume, and mass
- basis for computer industry
- study of substances not containing carbon
- depends on type of matter
- a physical blend of two or more substances
- process used to separate components using differences in boiling points
- area of chemistry that focuses on processes inside organisms
- mixture that is uniform in composition
- the gaseous state of a substance that is normally solid or liquid at room temperature
- used for breathing, very flammable
- depends on amount of matter
- C
- 36
- Au
- pH higher than 7
- study of compounds containing carbon
51 Clues: C • 50 • As • Co • 95 • 59 • Es • Ag • Sb • 36 • Au • Rn • 92 • rusts easily • pH lower than 7 • white and chalky • found in bananas • lightest element • pH higher than 7 • a homogenous mixture • alloys well with steel • depends on type of matter • a major export of Arkansas • has mass and takes up space • basis for computer industry • depends on amount of matter • larger portion in a solution • burns with a white hot flame • ...
chemistry 2013-11-03
Across
- contains the dispersed particle and dispersing medium
- proposed by Jacques Charles
- have definite physical and chemical properties
- (quality) "the elements/compounds present".
- proposed by Robert Boyle
- heat is absorbed
- study of substances without carbon.
- used as holder or small amount of solution
- basic unit of matter
- liquids,gases and some solids
- the study of matter.
- subatomic particles involved in nuclear reactions.
- generally solids
- holds or pick-up small objects
- comparison between unknown quantities using a standard unit
Down
- liquid measuring container.
- have definite number of atoms and they are chemically combined
- discovered the nucleus of the atom
- measures volume of solutions
- semi conductors
- composed of disolved substance
- study of carbon containing compound.
- (measurable) "how much is present".
- used in distillation
- measures approximate volume of liquids
- exist in two or more phase system
- charged elements
- proposed the planetary model of the atom
- exist in one phase system
- stucture,mechanism,theoritical aspects.
30 Clues: semi conductors • heat is absorbed • charged elements • generally solids • used in distillation • basic unit of matter • the study of matter. • proposed by Robert Boyle • exist in one phase system • liquid measuring container. • proposed by Jacques Charles • measures volume of solutions • liquids,gases and some solids • composed of disolved substance • holds or pick-up small objects • ...
Chemistry 2013-11-02
Across
- relates gas temperature to its volume
- a compound that has a pH or more than seven; released hydroxide ions in solution, accepts hydrogen ions or releases an electron pair
- the change of a liquid to a gas
- change from liquid to solid
- have no fixed shape; can move around freely
- conversion of a liquid to a gas or vapor
- describes relationship between pressure of gas and its volume
- the change of a gas to a liquid
- able to be dissolved in a solute
- the measure of how acidic or basic a solution is
- the temperature at which a solid becomes a liquid
- a chemical reaction between an acid and a base that produces water and a salt
- a state of matter in which the object has a definite shape and volume
Down
- a transition of matter from one state to another
- a fourth state of matter distinct from solid or liquid or gas
- no definite shape or volume
- the conjugate acid ion that is made during the self-ionization of water
- unable or barely able to be dissolved in a solute
- the temperature at which a solid becomes a liquid
- the minor component in a solution, dissolved in the solvent
- the temperature at which a liquid changes to a gas
- the liquid in which a solute is dissolved to form a solution
- a change directly from the solid to gas without becoming a liquid
- a compound that has a pH of less than seven; releases or donates hydrogen ions in solution or accepts an electron pair
24 Clues: no definite shape or volume • change from liquid to solid • the change of a liquid to a gas • the change of a gas to a liquid • able to be dissolved in a solute • relates gas temperature to its volume • conversion of a liquid to a gas or vapor • have no fixed shape; can move around freely • a transition of matter from one state to another • ...
Chemistry 2013-11-05
Across
- molecules that contain carbon except Co2 and HCo3
- bitter taste and turns red litmus paper to blue
- heat is absorbed
- Tentative explanation to a problem
- enter into reversible chemical combination with a dissolve molecule ion
- is a substance that is being dissolved
- Comparison between unknown quantities using a standard unit
- positively charged particle
- study of matter and changes it undergoes
- a substance that tells us that if is an acid or base one color change
- three or more elements in a compound
- contains the dispersed particle and dispersing mixture
- negatively charged particle
Down
- force exerted by gas molecules in a given area
- it is a charge elements
- number of mole of a substance in a solution for each mole
- a positively charged element
- two elements from a single compound
- average kinetic energy of the gas particles
- neutralization reaction
- is a substance that is dissolved
- a homogeneous mixture of two or more substance
- according to him matter is composed of tiny invisible particles called "atomos"
- it is the basic unit of matter
- amount of any substance that contains avogadro's number of particles
- sour taste and turns blue litmus paper to red
- heat is released in a form of radiant energy
- compounds that do not have carbon except Co2 and HCo3
- a hard and malleable material
29 Clues: heat is absorbed • it is a charge elements • neutralization reaction • positively charged particle • negatively charged particle • a positively charged element • a hard and malleable material • it is the basic unit of matter • is a substance that is dissolved • Tentative explanation to a problem • two elements from a single compound • three or more elements in a compound • ...
Chemistry 2013-12-07
Across
- a variable whose variation does not depend on that of another.
- a part or aspect of something abstract.
- firm and stable in shape.
- an airlike fluid substance which expands freely to fill any space available.
- the measurement or extent of something from end to end.
- a group of atoms bonded together, representing the smallest unit of a chemical compound that can take part in a chemical reaction.
- branch of science that deals with identification of substances of which matter is composed, the investigation of their properties and the ways in which they interact, combine, and change, and the use of these processes to form new substances.
- variable whose value depends on that of another.
- a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
Down
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
- a proposed explanation made on the basis of limited evidence.
- energy that a body possesses by virtue of being in motion.
- an amount of space between two things or people.
- an electron in the outer shell of an atom which can combine with other atoms to form molecules.
- safety precautions taken to prevent injury in laboratories.
- study of the structure and behavior of the physical and natural world through observation and experiment.
- a large body of matter with no definite shape.
- having a consistency like that of water or oil.
- physical substance in general, as distinct from mind and spirit that which occupies space and possesses rest mass.
- the amount of space that a substance or object occupies.
20 Clues: firm and stable in shape. • a part or aspect of something abstract. • a large body of matter with no definite shape. • having a consistency like that of water or oil. • an amount of space between two things or people. • variable whose value depends on that of another. • the measurement or extent of something from end to end. • ...
Chemistry 2014-02-18
Across
- the chemical element of atomic number 72
- a concentration unit, defined to be the number of moles of solute divided by the number of liters of solution.
- Usually the term is applied to an ionic compound produced by reacting an acid with a base.
- an optical instrument used for viewing very small objects
- An expression which states the number and type of atoms present in a molecule of a substance.
- chemical element with symbol Cn and atomic number 112. It is an extremely radioactive synthetic element that can only be created in a laboratory
- chemical element is a measure of the size of its atoms
- hold the test tubes and keep them in a secure position without being held by hand
- to heat material for experiments
- used to hold the test tube
- the forces between particles that are caused by their electric charges.
- Father of Science
- abbreviation of Iron
- chemical element with symbol Ba and atomic number 56
- the chemical element of atomic number 86
Down
- the branch of science that deals with the identification of the substances of which matter is composed
- a balance consisting of a lever with two equal arms and a pan suspended from each arm
- They may be represented by X + Y → XY Combination reactions are usually exothermic.
- has a definite volume, it does not have a definite shape.
- chemical element with symbol Hs and atomic number 108, named in honor of the German state of Hesse
- an atom or molecule is defined as the amount of energy released when an electron is added to a neutral atom
- physical substance in general, as distinct from mind and spiri
- a lipped cylindrical glass container for laboratory use.
- a unit of concentration, defined to be equal to the number of moles of solute divided by the number of kilograms of solvent.
- the chemical element of atomic number 52
- state of matter consisting of particles that have neither a defined volume nor defined shape.
- measuring and indicating temperature
- able to dissolve other substances
- a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
- a chemical species that donates electrons or hydroxide ions or that accepts protons.
30 Clues: Father of Science • abbreviation of Iron • used to hold the test tube • to heat material for experiments • able to dissolve other substances • measuring and indicating temperature • the chemical element of atomic number 72 • the chemical element of atomic number 52 • the chemical element of atomic number 86 • chemical element with symbol Ba and atomic number 56 • ...
chemistry 2013-11-07
Across
- composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal
- a covalent bond in which one pair of electrons is shared between two atoms
- indicates the kind number arrangment and bonds but not the unshared pairs of the atoms in a molecule
- simplest collection of atoms from which an ionic compound formula can be established
- the energy required to break a chemical bond and formal neutral isolated atoms
- a charged group of covalently bonded atoms
- intermolecular attractions resulting from the constant motion of electrons and the creation of instantaneouse dipoles
- results from the sharing of electron pairs between to atoms
- the mixing of two or more atomic orbitals of similar energies on the same atom to produce a new hybrid atomic orbitals of equal energies
- shows the type and numbers of atoms combined in a single molecule of a molecular compound
- the repulsion between the sets of valence level electrons surrounding an atom causes these sets to be oriented as far as possible
- and triple bonds
- the intermolecular force in which a hydrogen atom that is bonded to a highly electronegative atom is attracted to an unshared pair of electrons of an electronegative atom in a nearby molecule
Down
- refers to bonding in molecules or ions that cannot be correctly represented by a single lewis structure
- atomic symbols represent nuclei and inner shell electrons dot pairs or dashes between two atomic symbols represent electron pair in covalent bonds and dots adjacent to only one atomic symbol represent unshared electrons
- an uneven distribution of charge
- a chemical compound whose simplest units are molecules
- the ability of a substance to be drawn or pulled or extruded through a small opening to produce a wire
- chemical bonding that results between cations and anions
- created by equla but opposite charges that are seperated by a short distance
- represented by placing dots around a particular element
- the energy released when one mole of an ionic crystalline compound is formed from gaseious ions
- a covalent in which the bonding electrons are shared equally by the bonded atoms resulting in a balanced distribution of electrical charge
- a covalent bond in which the bonded atoms have an unequal attraction for the shared electrons
- orbitals of equal energy produced by the combination of two or more orbitals on the same atom
- a mutual electrical attraction between the nuclei and valance electrons of different atoms that bind atoms together
- chemical bonding that results from the attraction between metal atoms and surrounding sea of electrons
- indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts
- the ability of a substance to be hammered or beaten into this sheets
- a neutral group of atoms that are held together by covalent bonds
30 Clues: and triple bonds • an uneven distribution of charge • a charged group of covalently bonded atoms • a chemical compound whose simplest units are molecules • represented by placing dots around a particular element • chemical bonding that results between cations and anions • results from the sharing of electron pairs between to atoms • ...
chemistry 2013-11-07
Across
- composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal
- a covalent bond in which one pair of electrons is shared between two atoms
- indicates the kind number arrangment and bonds but not the unshared pairs of the atoms in a molecule
- simplest collection of atoms from which an ionic compound formula can be established
- the energy required to break a chemical bond and formal neutral isolated atoms
- a charged group of covalently bonded atoms
- intermolecular attractions resulting from the constant motion of electrons and the creation of instantaneouse dipoles
- results from the sharing of electron pairs between to atoms
- the mixing of two or more atomic orbitals of similar energies on the same atom to produce a new hybrid atomic orbitals of equal energies
- shows the type and numbers of atoms combined in a single molecule of a molecular compound
- the repulsion between the sets of valence level electrons surrounding an atom causes these sets to be oriented as far as possible
- and triple bonds
- the intermolecular force in which a hydrogen atom that is bonded to a highly electronegative atom is attracted to an unshared pair of electrons of an electronegative atom in a nearby molecule
Down
- refers to bonding in molecules or ions that cannot be correctly represented by a single lewis structure
- atomic symbols represent nuclei and inner shell electrons dot pairs or dashes between two atomic symbols represent electron pair in covalent bonds and dots adjacent to only one atomic symbol represent unshared electrons
- an uneven distribution of charge
- a chemical compound whose simplest units are molecules
- the ability of a substance to be drawn or pulled or extruded through a small opening to produce a wire
- chemical bonding that results between cations and anions
- created by equla but opposite charges that are seperated by a short distance
- represented by placing dots around a particular element
- the energy released when one mole of an ionic crystalline compound is formed from gaseious ions
- a covalent in which the bonding electrons are shared equally by the bonded atoms resulting in a balanced distribution of electrical charge
- a covalent bond in which the bonded atoms have an unequal attraction for the shared electrons
- orbitals of equal energy produced by the combination of two or more orbitals on the same atom
- a mutual electrical attraction between the nuclei and valance electrons of different atoms that bind atoms together
- chemical bonding that results from the attraction between metal atoms and surrounding sea of electrons
- indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts
- the ability of a substance to be hammered or beaten into this sheets
- a neutral group of atoms that are held together by covalent bonds
30 Clues: and triple bonds • an uneven distribution of charge • a charged group of covalently bonded atoms • a chemical compound whose simplest units are molecules • represented by placing dots around a particular element • chemical bonding that results between cations and anions • results from the sharing of electron pairs between to atoms • ...
Chemistry 2013-11-20
Across
- Particle with positive charge
- Example of a giant covalent structure
- Fl
- Ionic bonds conduct electricity if they are
- bonding Bond between two non-metals
- Ionic solids conduct electricity if
- Covalent bonds share
- Metals have.... ions
- In the Periodic Table, metals and non metals are separated by a
- Metal with Atomic number of 52
- electrons In metallic bonding, there is a sea of
- Protons and neutrons are located in the
- Different number of neutrons but same number of electrons
- Particle with no charge
- Name of group 7
Down
- Regular arrangement of particles
- Sodium + chlorine
- Non-metals have.... ions
- Lithium
- Name of group 8
- earth metals Name of group 2 metals
- Transition metals have... compounds
- Particle with negative charge
- Liquid element at room temperature
- In group 7, size and mass of atoms... down the group
- bonding Bond between a metal and a non-metal
- Metals conduct
- Graphite can be used as a
- Everything is made up of millions of
- of electron shells Periods in the periodic table tell us
30 Clues: Fl • Lithium • Metals conduct • Name of group 8 • Name of group 7 • Sodium + chlorine • Covalent bonds share • Metals have.... ions • Particle with no charge • Non-metals have.... ions • Graphite can be used as a • Particle with positive charge • Particle with negative charge • Metal with Atomic number of 52 • Regular arrangement of particles • Liquid element at room temperature • ...
Chemistry 2014-03-12
Across
- Atoms tend to gain, lose or share electrons so they have 8 electrons
- What types of elements are found in a ionic compound
- Dissolve easily in water and other polar solvents
- Indicates the relative number of atoms of each kind in chemical compounds
- ions can form from isolated atoms and by electron transfer between atoms of different elements
- What type of electrons are able to participate in chemical bonds
- which elements have stable electron configurations
- When different atoms in 2 different compounds trade places
- how does the name change in a ionic compound
- Ionic compounds that form this structure
- is related to the number of valence electrons on the atom
Down
- an attraction between atoms that allows the formation of chemical substances that contain two or more atoms
- An atom with more or less electrons than protons
- drawing that shows valence electron movement between atoms
- Number assigned to an element in chemical combination that represents the number of electrons lost
- an electron moves from an atom or a chemical species to another atom or chemical species
- valence of an ion is the coefficient that, when multiplied by the elementary charge, gives the ion's charge.
- Metals lose their valence electrons to form positive ions
- the energy required to completely remove an electron from a gaseous atom or ion.
- When one element replaces another on in a compound
- Non metals gain valence electrons to form negative ions
- 2 or more elements or compounds combine to make a more complex substance
- Compounds break down into simpler substances
- formation formed between ions with opposite charges
24 Clues: Ionic compounds that form this structure • Compounds break down into simpler substances • how does the name change in a ionic compound • An atom with more or less electrons than protons • Dissolve easily in water and other polar solvents • When one element replaces another on in a compound • which elements have stable electron configurations • ...
Chemistry 2014-06-05
CHEMISTRY 2014-07-19
Across
- / is the name of the force exerted on an object due to the acceleration of gravity.
- / amount of matter in a body
- / is anything that has mass and occupies space.
- / a column in the periodic table
- / process of comparing something with a standard.
- / refers to the smallest estimated value taken directly from the device.
- / refers to the smallest exact value taken directly from the device.
- / a row in the periodic table
- / an element located in group 2A of periodic table.
- / an element contained in one of the 10 columns in the periodic table
- / modern periodic table
- / is a quantity that compares the density of a substance with the density of water at 4'C
- / simplest known substance.
- / cannot be broken down into simpler components by ordinary mechanical means; fixed composition
- / have properties intermediate between metals and nonmetals.
- / uncharged particles
- / contains 2 or more components whose composition may be varied.
- / atoms of the same elements having a different number of neutrons
- / are shiny substance that conduct heat and electricity.
Down
- / negatively charged particles
- / deals with the study of matter--its composition, properties, and transformations.
- / an element located in group 1A.
- / number of protons + number of neutrons
- / a group consisting of 3 elements with the same properties.
- / a compound that contains both a hydrogen atom and a lone pair of electrons so that it can be either an acid or a base.
- / is a measure of how hot or cold an object is.
- / are poor conductors of heat and electricity.
- / is a physical property that relates the mass of a substance to its volume.
- / the 1st and 8th element resemble one another in physical & chemical properties.
- / positively charged particles
30 Clues: / uncharged particles • / modern periodic table • / simplest known substance. • / amount of matter in a body • / a row in the periodic table • / negatively charged particles • / positively charged particles • / a column in the periodic table • / an element located in group 1A. • / number of protons + number of neutrons • / are poor conductors of heat and electricity. • ...
Chemistry 2014-09-15
Across
- Enzyme names usually end in these three letters
- Compounds that contain carbon; found in living things
- Protein that transports oxygen in the blood
- Main component of plant cell walls
- Lipids include oils, waxes, steroids & these
- Protein hormone that diabetics lack
- Enzyme activity is affected by pH & _____
- If enzymes get too hot they do this
- Protein that catalyzed biochemical reactions
- Plants make sugars through this process
- The space on the enzyme where the substrate fits (2 words)
- The molecule on which the enzyme acts
Down
- Plants store extra sugar as this molecule
- Chemical signals that travel in the blood
- Enzymes are very specific, like a lock and ___
- Animals store extra sugar as this molecule
- Nucleic acids are polymers of these
- There are made up of glycerol + 3 fatty acids
- Proteins that protect your body against infections
- Names of these typically end in "-ose"
- Main component of cell membranes
- Main source of energy in living things
- Enzymes lower the amount of ______ needed to break down substrates
- Polymers of amino acids
- Nucleic acids store & transmit this kind of information
25 Clues: Polymers of amino acids • Main component of cell membranes • Main component of plant cell walls • Nucleic acids are polymers of these • Protein hormone that diabetics lack • If enzymes get too hot they do this • The molecule on which the enzyme acts • Names of these typically end in "-ose" • Main source of energy in living things • Plants make sugars through this process • ...
chemistry 2014-11-06
Across
- metalic and non-metalic
- metal and non-metal
- combination of symbols that represent a compound
- horizontal rows on the periodic table
- how much an atom weights(amu)
- positively charged particals
- non-reversible
- vertical columns on the periodic table
- new substance
- reversible
- neutral partical in the nucleus of an atom
- substances that react with another
Down
- group 17 on the periodic table
- the number of protons
- group 18 in the periodic table
- non-metal and non-metal
- lost or gain of electrons
- cloudy mixture, cannot be separated
- absorbs heat
- gas or liquid
- negative charge
- pure substances
- workplace hazardous materials info system
- combination of two or more elements
- releases heat
25 Clues: reversible • absorbs heat • gas or liquid • new substance • releases heat • non-reversible • negative charge • pure substances • metal and non-metal • the number of protons • metalic and non-metalic • non-metal and non-metal • lost or gain of electrons • positively charged particals • how much an atom weights(amu) • group 17 on the periodic table • group 18 in the periodic table • ...
CHEMISTRY 2014-10-28
Across
- elements that are excellent conductors of electricity
- what visual evidence proves that gas is created when mixing vinegar and baking soda
- the smallest known whole particle
- the number of protons in an atom's nucleus
- a physical property of when matter starts to change
- the process where liquids become vapor
- the process where a solid becomes a vapor
- a chart of elements
- a state of matter in which the molecules are packed tightly together
- the number of protons and neutrons in an atom's nucleus
- a mixture that is difficult to separate
- a process that causes molecules to pack together
- matter cannot be created or destroyed
- an atom that has gained or lost neutrons
Down
- the chemical formula for salt
- a substances ability to bend or reshape
- a state of matter where atoms are charged, far apart, and moving rapidly
- energy cannot be created nor destroyed
- gold
- an example of a metallic chemical reaction
- the process where vapor becomes liquid
- what an atom must lose or gain to become charged
- matter that does not react
- matter that responds when in contact with other matter
- a process that causes molecules to move away from each other
- a state of matter in which molecules are close but slide by each other
- where protons and neutrons are located
- a measurement of how slippery matter is
- an electrically charged atom
- a state of matter where atoms atoms are far apart and move fast
30 Clues: gold • a chart of elements • matter that does not react • an electrically charged atom • the chemical formula for salt • the smallest known whole particle • matter cannot be created or destroyed • energy cannot be created nor destroyed • the process where vapor becomes liquid • the process where liquids become vapor • where protons and neutrons are located • ...
Chemistry 2014-05-16
Across
- A substance composed of one type of atom only
- An energy level representing the distance of an electron from the nucleus of an atom.
- Vertical column of elements in the periodic table
- Separation of a mixture into fractions that differ in boiling points
- The number of protons in the nucleus of an atom
- Two or more different atoms held together by chemical bonds
- The sum of the numbers of protons and neutrons in the nucleus of an atom
- A subatomic particle that has a positive charge and that is found in the nucleus of an atom
Down
- Sum of the atomic masses of elements in a compound expressed in grams
- Negatively charged particle; located outside the atomic nucleus
- The process of purifying a liquid by boiling it and condensing its vapors
- A table that shows the elements, their atomic number, symbol, and average atomic mass; elements with similar chemical properties are grouped together
- The weighted mean mass of an atom of an element compared with one-twelfth of the mass of an atom of carbon-12; average mass of atoms of an element
- a technique that separates the components of a mixture on the basis of the tendency of each to travel or be drawn across the surface of another material
- A process that separates materials based on the size of their particles
- Smallest particle of an element
- One of two or more atoms with the same atomic number but with different numbers of neutrons
- A substance made up of atoms of two or more different elements joined by chemical bonds
- A horizontal row of elements in the periodic table
- A subatomic particle that has no charge and that is found in the nucleus of an atom
- A substance consisting of two or more substances mixed together but not chemically bonded together
21 Clues: Smallest particle of an element • A substance composed of one type of atom only • The number of protons in the nucleus of an atom • Vertical column of elements in the periodic table • A horizontal row of elements in the periodic table • Two or more different atoms held together by chemical bonds • Negatively charged particle; located outside the atomic nucleus • ...
Chemistry 2014-09-04
Across
- gaseous state of a substance
- a homogeneous mixture
- mixture that is not uniform in composition
- anything with substance and takes up space
- process that seperates a solid from a liquid
- property that depends on the amount of matter in a sample
- process used to seperate components of a mixture using differences in boiling points
- carbon based chemicals
- form of matter that takes the shape and volume of its container
- mechanisms, rates, and energy transfers
- physical blend of two or more substances
- measure of space occupied by a sample of matter
Down
- property that depends on the type of matter in a sample
- form of matter that has definite shape and volume
- overlap of biology and chemistry
- mixture that is uniform in composition
- qualifying and quantifying samples
- matter that has uniform and definite compisition
- noncarbon based chemicals
- any part of a sample with uniform compositions and properties
- form of matter that flows and has a fixed volume
- measure of matter that an object contains
22 Clues: a homogeneous mixture • carbon based chemicals • noncarbon based chemicals • gaseous state of a substance • overlap of biology and chemistry • qualifying and quantifying samples • mixture that is uniform in composition • mechanisms, rates, and energy transfers • physical blend of two or more substances • measure of matter that an object contains • ...
Chemistry 2014-11-04
Across
- Substance made up of only
- Oxygen ion air reacts with metal
- Liquid to Gas
- Positively charged particle in the nucleus of an Atom
- Gas to Solid
- Anything that has mass and occupies space
- Ability of a substance to be dissolved in another
- Horizontal row of elements in the periodic table
- characteristics used to describe a substance
- Most reactive non-metal
- Substance that speeds up the chemical reaction
- Made up of one or more substances
Down
- Solid to Liquid
- Organic Catalyst
- Chemical reaction that releases energy
- Electrically charged atom
- Chemical reaction that absorbs energy
- New substance produced in a chemical reaction
- substance that resists flow of electricity
- Liquid to Solid
- Most reactive metal
- Material changes state but not composition
- Chemical reaction, oxygen reacts with a substance
- Solid that can be stretched into a long wire
- A substance that reacts with another substance to create a new substance
- Workplace Hazardous Materials Information System
26 Clues: Gas to Solid • Liquid to Gas • Solid to Liquid • Liquid to Solid • Organic Catalyst • Most reactive metal • Most reactive non-metal • Substance made up of only • Electrically charged atom • Oxygen ion air reacts with metal • Made up of one or more substances • Chemical reaction that absorbs energy • Chemical reaction that releases energy • Anything that has mass and occupies space • ...
Chemistry 2014-12-02
Across
- State of matter with no specific volume or shape
- what is the name of elements that are combined
- all the electrons in the very way outside energy level
- what is a person called that mixes chemicals
- if the atom has gained protons what do we call it
- how much mass is in a certain volume of matter
- potential for hydrogen
- when two or more chemical substances interact
- whether or not something can be made in to a wire
- a property of something that can bend without breaking
- what help scientists identify stuff
- if the atom has gained electrons what do we call it
- when atoms get hot enough they do this
Down
- replace matter with another type of matter
- the thickness or resistance to flow in a fluid
- what state of mater is free flowing
- the atomic mass minus the protons equals
- what are elements that come from the earth
- the chemical opposite of an acid
- a property that helps you tell real gold from fool’s gold
- anything that mass
- conducts electricity and ruins metal
- what is the study of matter
- what are the names of the crystals that are more valuable than others
- a property of something that can change into a different shape without breaking
- whenever atoms are sharing electrons
- point when a gas turns into a liquid what do we call this
- what is the name for repeating parts
- when an atom has eight electrons it’s an outer shell
- the amount of something takes
30 Clues: anything that mass • potential for hydrogen • what is the study of matter • the amount of something takes • the chemical opposite of an acid • what state of mater is free flowing • conducts electricity and ruins metal • what is the name for repeating parts • what help scientists identify stuff • whenever atoms are sharing electrons • when atoms get hot enough they do this • ...
chemistry 2015-01-28
Across
- Reactions in what take place in the solutions?
- Is a material that releases energy when it burns
- In the solution brass what is the solvent?
- Is the amount of a substance in a given volume.
- Is the substance that is present in a solution in a smaller amount and is dissolved by the solvent.
- What is a solution that carries sugar dissolved in water to tree cells?
- Is a mixture containing small, un-dissolved particles that do not settle out.
- Not all mixtures are what?
- Is a mixture in which particles can be seen easily separated by setting or filtration.
- In many common solutions the solvent is what?
Down
- Is a rapid reaction between oxygen and a substance called fuel.
- Is the part of a solution present in the largest amount.
- Water dissolves so many substances that it is often called what?
- If the solute and solvent are both gas what is the solution?
- Is a number placed in front of a chemical formula in an equation.
- Is anything that has mass and takes up space.
- In the solution soda what is the solute?
- Solutions can be made from any combination of solids, gases, and what?
- Is a mixed mixture that a solvent and at least one solution.
- Water and what make a suspension?
20 Clues: Not all mixtures are what? • Water and what make a suspension? • In the solution soda what is the solute? • In the solution brass what is the solvent? • Is anything that has mass and takes up space. • In many common solutions the solvent is what? • Reactions in what take place in the solutions? • Is the amount of a substance in a given volume. • ...
Chemistry 2015-02-23
Across
- A pure substance in which all the atoms are the same
- A state of matter in which the substance has definite shape and volume
- A substance obtained from one or more other substances as a result of a chemical reaction
- The study of matter
- A state of matter in which the substance takes the shape of its container
- A number of pure substances brought together
- original substance is changed to a new substance and cannot easily be recovered
- Referring to a solution that is not able to hold anymore solute at that temperature
- To change from a liquid to a gaseous state
- An element or compound that enters into a chemical reaction
- A homogeneous mixture in which the solute is uniformly distributed throughout the solvent
- A substance that is dissolved in a solution
Down
- The amount of mass in a substance per unit of volume
- Force of attraction between the surface of unlike bodies such as a solid and a liquid
- The force of attraction between the particles of a substance
- The smallest part of a compound that can exist and still retain the properties of that compound
- A mixture in which very small particles of a solid remain suspended without dissolving
- The process of passing a mixture of a liquid and a solid slowly through paper or other porous substance in order to remove the solid from the mixture
- The process of vaporizing and then condensing a liquid
- To pour off the top layer without disturbing the layers or sediment below
- A pure substance containing two or more elements united chemically
- The substance that does the dissolving in a solution
- A state of matter in which the substance had definite volume but takes the shape of the container
- The smallest part of an element that can exist and still retain the characteristics of that element
24 Clues: The study of matter • To change from a liquid to a gaseous state • A substance that is dissolved in a solution • A number of pure substances brought together • The amount of mass in a substance per unit of volume • A pure substance in which all the atoms are the same • The substance that does the dissolving in a solution • ...
Chemistry 2021-10-03
Across
- negatively charged particles
- partially positive and partially negative areas on a molecule due to an unequal sharing of electrons
- leads to surface tension
- number of protons in an element
- allows for capillary action
- used to observe and describe matter
- water is ____ dense as a solid than as a liquid
- bond where atoms transfer electrons from one to another (forms ions)
- molecule made of two hydrogen atoms and one oxygen atom
- does not dissolve in water
- atoms tend to gain, lose, or share electrons so to have ___ electrons in their outer shell
Down
- part of every atom, contains protons (p+) and neutrons (n)
- high pH, [OH-] ions in solution
- number of protons and neutrons in an atom
- Substances made of two or more kinds of atoms combined in definite proportions
- in a solution, this is what does the dissolving
- positively charged particles
- low pH, [H+] ions in solution
- describes matters "potential" to undergo some chemical change or reaction based on what elements, electrons, and bonding are present
- vertical columns in the periodic table
- water has a ___ heat of vaprization (specific heat)
- in a solution, this is what is being dissolved
- particles that carry NO charge
- will determine if something is an acid or a base and/or measure the pH by changing color
- horizontal rows in the periodic table
- does dissolve in water
- bond where atoms share electrons
27 Clues: does dissolve in water • leads to surface tension • does not dissolve in water • allows for capillary action • negatively charged particles • positively charged particles • low pH, [H+] ions in solution • particles that carry NO charge • high pH, [OH-] ions in solution • number of protons in an element • bond where atoms share electrons • used to observe and describe matter • ...
Chemistry 2021-09-21
Across
- (Na)
- a positively charged ion
- krypton, xenon, and
- fluorine, chlorine, bromine, iodine, and
- something not
- shell of the atom
- to attract a bonding pair of electrons
- molecule with a net electric charge
- substances characterized by high electrical and
- the distance between the nuclei
- table of the chemical elements
- hydrogen (H), lithium
- a measure of the tendency of an
- a column of elements in the
- a negatively charged ion
- helium, neon,
Down
- any process by which electrically
- helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, and fluorine
- atomic numbers show a periodic variation of
- invented periodic table
- the successive occupation of the orbitals in a
- charged atoms
- structure and of most of their properties
- atoms or molecules are converted to
- those of metals and solid nonmetals or
- titanium, copper, nickel, silver, platinum, and gold
- the elements when arranged in the order of
- conductivity
- element whose properties are intermediate
- two identical atoms bonded together
30 Clues: (Na) • conductivity • something not • charged atoms • helium, neon, • shell of the atom • krypton, xenon, and • hydrogen (H), lithium • invented periodic table • a positively charged ion • a negatively charged ion • a column of elements in the • table of the chemical elements • the distance between the nuclei • a measure of the tendency of an • any process by which electrically • ...
chemistry 2021-10-08
Across
- a vertical column of elements in the periodic table- can show number of valence electrons.
- a group of two or more atoms held together by chemical bonds.
- Change a change in matter that cannot be reversed and results in a new substance being formed; signs of chemical change include gas production (bubbles), color change, temperature change, and/or precipitate forms.
- in a solution, the substance that dissolves.
- an element that has physical and chemical properties of both metals and nonmetals; can be a semi-conductor.
- a homogeneous mixture in which one substance completely dissolves in another substance.
- hard substance that will break or shatter easily.
- elements classified by physical properties that include shininess, malleability, ductility and conductivity.
- the smallest component of an element having the chemical properties of the element; smallest unit of matter
- Mass total mass of the protons and neutrons in an atom, measured in atomic mass units; number of protons + neutrons
- Number the number of protons in the nucleus of an atom.
- the elements or compounds produced by a chemical reaction.
- a solid that forms during a chemical reaction that takes place in a solution.
Down
- Mixture a mixture in which substances are not distributed evenly. (You can see the different parts)
- a horizontal row of elements in the periodic table- shows number of electron shells for an element.
- Mixture a mixture in which substances are distributed evenly. (You cannot see the different parts)
- Change a change in matter that usually can be reversed such as size, shape, or state.
- a substance that is present at the beginning of a chemical reaction.
- the tendency of a substance to undergo chemical changes.
- used to describe a material that can be hammered or beaten into thin sheets.
- in a solution, the substance that does the dissolving.
- an element that usually is a gas or brittle solid at room temperature, is not malleable or ductile, is a poor conductor of heat and electricity, and typically is dull.
- of Conservation of Mass the scientific principle that matter is neither created nor destroyed during a chemical change.
- a pure substance that is made up of only one kind of atom
- the ability of a substance to be pulled into a wire.
- a combination of two or more substances that are not chemically combined.
- a pure substance that forms when two or more elements are held together by a chemical bond; Every molecule of a compound is the same.
- an atom that has lost or gained an electrons and therefore has an electrical charge.
28 Clues: in a solution, the substance that dissolves. • hard substance that will break or shatter easily. • the ability of a substance to be pulled into a wire. • in a solution, the substance that does the dissolving. • Number the number of protons in the nucleus of an atom. • the tendency of a substance to undergo chemical changes. • ...
Chemistry 2021-10-08
Across
- A solid that forms during a chemical reaction that takes place in a solution.
- An atom that has lost or gained an electrons and therefore has an electrical charge.
- a solution, the substance that dissolves.
- A pure substance that is made up of only one kind of atom
- The scientific principle that matter is neither created nor destroyed during a chemical change.
- A mixture in which substances are distributed evenly. (You cannot see the different parts)
- A homogeneous mixture in which one substance completely dissolves in another substance
Down
- The elements or compounds produced by a chemical reaction.
- Used to describe a material that can be hammered or beaten into thin sheets.
- A substance that is present at the beginning of a chemical reaction
- A pure substance that forms when two or more elements are held together by a chemical bond; Every molecule of a compound is the same.
- A vertical column of elements in the periodic table- can show number of valence electrons.
- An element that usually is a gas or brittle solid at room temperature, is not malleable or ductile, is a poor conductor of heat and electricity, and typically is dull.
- A mixture in which substances are not distributed evenly. (You can see the different parts)
- A combination of two or more substances that are not chemically combined.
- Hard substance that will break or shatter easily.
- An element that has physical and chemical properties of both metals and nonmetals; can be a semi-conductor.
- A horizontal row of elements in the periodic table- shows number of electron shells for an element.
- In a solution, the substance that does the dissolving
- The ability of a substance to be pulled into a wire.
20 Clues: a solution, the substance that dissolves. • Hard substance that will break or shatter easily. • The ability of a substance to be pulled into a wire. • In a solution, the substance that does the dissolving • A pure substance that is made up of only one kind of atom • The elements or compounds produced by a chemical reaction. • ...
Chemistry 2020-12-18
Across
- The absolute value of the accepted variable minus the experimental divided by the accepte, then multiplied by 100.
- a group of atoms bonded together, representing the smallest unit of a chemical compound that can take part in a chemical reaction.
- Silver, Aluminum, Zinc, and Cadmium are specific elements with their own charges without Roman Numerals.
- A group of elements on the periodic chart that carries the D-Block.
- The man who discovered Oxygen.
- Cr2O7 with a charge of -2.
- how many Lewis Dots are on the element Helium?
- a large body of matter with no definitive weight.
- Positive charges in the nucleus of an atom.
- The man who discovered Carbon Dioxide.
Down
- The 36th element on the Periodic Table, also the name of Superman's home planet.
- Neutral charges in the nucleus of an atom.
- A column on the periodic chart is called_____.
- CO3 with a charge of -2.
- The general, physical substance.
- NO3 with a charge of -1.
- A pure substance that cannot be broken down by chemical means.
- Group 18 of the Periodic Chart is also known as the _____, which consists of Krypton, Argon, and Helium.
- All marks and one estimated number.
- Negative charges that travels around the nucleus of an atom.
20 Clues: CO3 with a charge of -2. • NO3 with a charge of -1. • Cr2O7 with a charge of -2. • The man who discovered Oxygen. • The general, physical substance. • All marks and one estimated number. • The man who discovered Carbon Dioxide. • Neutral charges in the nucleus of an atom. • Positive charges in the nucleus of an atom. • A column on the periodic chart is called_____. • ...
CHEMISTRY 2021-02-06
Across
- /vibrates in fixed position vigorously
- /drys ammonia
- /liquid to solid
- /concentrated___ acid drys most gases but ammonia
- /smallest particle that retains properties of an element
- /an ___cannot be broken down by ordinary chemical methods
- /gas to liquid,gas to solid
- /__flask is an equipment used for concentration
- /delivery collects gases that are less dense
- /gas___measures volume of gas
Down
- /delivery collects gases that are denser than air
- /displacement of water collects ___gases
- / solid to liquid
- /solid to gas
- /__ contains 2 or more elements or compounds that are not chemically bonded together
- /___ calcium chloride drys most gases
- /slides across one another
- /liquid to gas
- /far apart
- /___consists two or more elements joined together bu chemical reaction
20 Clues: /far apart • /solid to gas • /drys ammonia • /liquid to gas • /liquid to solid • / solid to liquid • /slides across one another • /gas to liquid,gas to solid • /gas___measures volume of gas • /___ calcium chloride drys most gases • /vibrates in fixed position vigorously • /displacement of water collects ___gases • /delivery collects gases that are less dense • ...
Chemistry 2021-01-25
Across
- The external features of a substance.
- Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base.
- Property of a substance defining how easily it ignites and burns.
- A chemical substance that produces hydrogen ions in solution and tastes sour.
- Point Temperature at which a solid substance becomes a liquid.
- Chemical reaction in which thermal energy is absorbed.
- The characteristic smell of a substance.
- The readiness of a substance to produce hydroxide ions.
- A chemical substance that produces hydroxide ions in solution and tastes bitter.
- The characteristic of being able to attract because of an electrical force
- Change Process where one or more substances are altered into new and different substances.
- Change A type of change in which the form of matter is altered but one substance is not transformed into another
- The ability to be hammered or pressed down
Down
- The ability to produce electricity
- The ability to be drawn out into thin wires
- The amount of matter in a defined volume. (density = mass/volume)
- Property of a substance relating to how easily it reacts with other substances.
- A solid substance that forms from a chemical reaction that takes place in a liquid solution.
- Point Temperature at which a liquid substance becomes a gas.
- The characteristic of a slow moving sticky substance
- Measure of the amount of matter in an object.
- The readiness of a substance to produce hydrogen ions.
- Chemical reaction in which thermal energy is released.
- Reaction Combining substances so that new substances are formed that are not separated by normal chemical means. The new substances have properties different from those of the original substances.
- The ability to rust do to oxygen
- Property A measurable characteristic (size, shape, or state ) of matter not involving interactions with other substances (as color, hardness, boiling point).
- Property A characteristic of a substance that describes its potential to change when interacting with other substances (reactivity with air or water, combustibility, flammability).
- Measure of acidity or basicity of a substance.
- The amount of space an object occupies.
29 Clues: The ability to rust do to oxygen • The ability to produce electricity • The external features of a substance. • The amount of space an object occupies. • The characteristic smell of a substance. • The ability to be hammered or pressed down • The ability to be drawn out into thin wires • Measure of the amount of matter in an object. • ...
