chemistry Crossword Puzzles
Chemistry 2024-03-30
Across
- reagent can no longer be used
- name of analyzer
- filled with PC/CC
- reagent for electrolyte analysis
- ultrasonic
- selection on computer screen
- part of analysis
- must be shut down once a week
- part of wash unit
- needed for maintenance tasks
- these come in grey, red, black and beige
Down
- for electrolyte analysis
- reagent for e601
- used to make up calibrators
- mix reagent for c601
- displays current patients running
- contained in e601 reagents
- brand name of company
- located under reaction disk
- add reagents
20 Clues: ultrasonic • add reagents • reagent for e601 • name of analyzer • part of analysis • filled with PC/CC • part of wash unit • mix reagent for c601 • brand name of company • for electrolyte analysis • contained in e601 reagents • used to make up calibrators • located under reaction disk • selection on computer screen • needed for maintenance tasks • reagent can no longer be used • ...
Chemistry 2024-05-06
Across
- least reactive
- 2VE
- right side
- ability of a substance to be hammered into thin sheets
- rusting
- Known as family
- atomic mass-protons
- man made
- two or more atoms held together by bonds
- solid
Down
- 1VE
- Known as group
- water
- ability to dissolve in another substance
- atomic number
- solid to liquid
- liquid to a gas
- left side
- Horizontal row on the P.T.
- change in shape/form
- change in odor
- simple substances that cannot be broken down
22 Clues: 1VE • 2VE • water • solid • rusting • man made • left side • right side • atomic number • Known as group • least reactive • change in odor • solid to liquid • liquid to a gas • Known as family • atomic mass-protons • change in shape/form • Horizontal row on the P.T. • ability to dissolve in another substance • two or more atoms held together by bonds • simple substances that cannot be broken down • ...
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 2026-03-17
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 2025-12-18
Across
- Law that matter is not created or destroyed
- Reaction combining substances.
- Shiny element that conducts electricity.
- A solid that forms when two liquids react
- Physically combined substances.
- Region where electrons are found.
- Homogeneous mixture.
- Outer shell electrons.
- Symbolic representation of reaction.
- Atom with different neutron count.
- Substance formed in a reaction.
- Reaction with oxygen (burning).
- Basic unit of a chemical element.
- Bond between charged ions.
Down
- Positively charged particle.
- Number in front of a formula.
- Neutral particle in the nucleus.
- Reaction breaking down compounds.
- Reaction that releases heat.
- Starting substance in a reaction.
- Negatively charged particle.
- Small number for atom count.
- Bond where electrons are shared.
- Dense center of an atom.
- Speeds up reaction without being used.
- Atoms bonded together.
- Reaction that absorbs heat.
- Substance that cannot be broken down.
- Substance of two or more elements.
- Charged atom or molecule.
- Force holding atoms together.
31 Clues: Homogeneous mixture. • Outer shell electrons. • Atoms bonded together. • Dense center of an atom. • Charged atom or molecule. • Bond between charged ions. • Reaction that absorbs heat. • Positively charged particle. • Reaction that releases heat. • Negatively charged particle. • Small number for atom count. • Number in front of a formula. • Force holding atoms together. • ...
chemistry 2026-01-07
Across
- the heat of . heat required to change from liquid to gas
- a clear solid material used for beakers
- the science of heat
- energy releases from the system
- ratio of mass to volume
- the law of conservation of. matter cannot be created or destroyed
- anything outside the system
Down
- a substance that ionizes in water
- the heat of . the heat required to change from solid to liquid
- the temperature is balanced between the system and surroundings
- energy required to change one gram of a substance to a diferent tempature
- the law of conservation of . energy cannot be created or destroyed
- the substances that react with each other in a reaction
- the type of energy associated with motion
- the part of chemistry that deals with numbers and equations
- the unit used for energy
- the objects being observed
- the elements in group 17 of the periodic table
- the type of energy resulting from position
- energy goes into the system
20 Clues: the science of heat • ratio of mass to volume • the unit used for energy • the objects being observed • energy goes into the system • anything outside the system • energy releases from the system • a substance that ionizes in water • a clear solid material used for beakers • the type of energy associated with motion • the type of energy resulting from position • ...
Chemistry 2026-04-29
Across
- Same connectivity, different arrangement
- Smallest unit of an element
- Simplest alkane
- Liquid chromatography
- Electron transfer bond
- Same formula, different structure
- Neutral particle in nucleus
- Reaction that releases heat
- Substance that donates H?
- Study of energy changes
- Biological catalyst
- Catalyst lowers this
- Dissolving medium
- Row in periodic table
- Reaction that absorbs heat
- Heat content
- Polymer building block
- Example of a metabolic pathway
- Positively charged particle
Down
- Homogeneous mixture
- Carbonyl at end of chain
- Volumetric analysis
- Substance dissolved
- Rate of reaction change
- Beer’s law relates A to
- Negatively charged particle
- Amount of substance unit
- Electron sharing bond
- Uncertainty
- Substance that accepts H?
- Energy of motion
- Triple bond functional group
- color change
- Nucleic acid with uracil
- Carbon with triple bond
- Energy!
- Disorder measure
- Measure of acidity
- Column in periodic table
39 Clues: Energy! • Uncertainty • color change • Heat content • Simplest alkane • Energy of motion • Disorder measure • Dissolving medium • Measure of acidity • Homogeneous mixture • Volumetric analysis • Substance dissolved • Biological catalyst • Catalyst lowers this • Liquid chromatography • Electron sharing bond • Row in periodic table • Electron transfer bond • Polymer building block • Rate of reaction change • ...
Chemistry 2026-04-29
Across
- Tastes sour and turns litmus paper red
- A device used to measure the energy absorbed or released as heat
- Chemical reaction where one element trades places with another element
- a compound that can act as both an acid or a base
- The _____ point of water is 100 degrees Celsius
- Chemical reaction in which a reactant forms several products
- The stronger the acid, the _____ the conjugate base
- Feels slippery and has a pH below 7
- Most reactive non-metal
Down
- The elements on the right side of a chemical equation
- A hot-air balloon is an example of this law
- HCl, HNO^3, and H^2SO^4 are examples of _____ acids
- ________ acids increase the hydrogen ions in an aqueous solution
- Able to be dissolved in another substance
- A/An ______ in temperature causes the speed of gas molecules to increase
- Solidification and _________ are phase changes that release energy
- Law in which temperature is held constant and pressure and volume are inversely proportional
- Change in color, odor, and temperature are evidence of a ______ reaction
- Acetic, Hydroflouric, and Phosphoric acids are ____ acids
- A substance can never change temperature and ____ at the same time
20 Clues: Most reactive non-metal • Feels slippery and has a pH below 7 • Tastes sour and turns litmus paper red • Able to be dissolved in another substance • A hot-air balloon is an example of this law • The _____ point of water is 100 degrees Celsius • a compound that can act as both an acid or a base • HCl, HNO^3, and H^2SO^4 are examples of _____ acids • ...
Chemistry 2020-12-12
Across
- negatively charged ion
- a minute portion of matter.
- positively charged ion,
- penetrating form of electromagnetic radiation transmission of energy in the form of waves
- any substance composed of molecules
- everything around you is made up of .
- the action of dividing or splitting something
- the central and most important part
- alpha
- mass of an atom of a chemical element
- result of joining two or more things together
- same # of protons but not neutrons
- uppercase/lowercase Β β
Down
- molecular ion is a covalently bonded
- atom or molecule with a net electriccharge
- without an electric charge same weightas
- consist of a nucleus made of protons and neutron
- positive electric charge
- negative charge
- total number of protons and neutrons
- # of protons in the nucleus of an atom
21 Clues: alpha • negative charge • negatively charged ion • positively charged ion, • uppercase/lowercase Β β • positive electric charge • a minute portion of matter. • same # of protons but not neutrons • any substance composed of molecules • the central and most important part • molecular ion is a covalently bonded • total number of protons and neutrons • ...
Chemistry 2021-04-28
Across
- when a substance that is dissolved in water forms a solution that can conduct an electric current
- the amount of that substance required to form a saturated solution with a certain amount of solvent at a given temperature
- when a substance that is dissolved in water forms a solution that cannot conduct an electric current
- the substance dissolved by a solvent
- a solution that contains the maximum amount of dissolved solute that is possible under the current conditions
- when something can be dissolved
- when two substances can dissolve in one another
- when two substances cannot dissolve in one another
Down
- the net amount of energy that is absorbed as heat by the solution when a specific amount of solute enters solution
- the solubility of a gas in a liquid is directly proportional to the partial pressure of that gas on the surface of the liquid
- a solution that contains more than the maximum amount of dissolved solute that is normally possible
- the medium used to dissolve another substance
- the physical state in which the opposing processes of dissolution and crystallization of a solute occur at equal rates
- when a liquid bubbles and fizzes due to gas rapidly escaping
- when a solute particle is surrounded by solvent particles
- a mixture in which the particles are so large that they settle out unless the mixture is constantly stirred or agitated
- when the attraction of the charged ends of water molecules dissolve an ionic compound or a substance whose molecules are polar
- they form when the particles are a size in between those of a solution and suspension
- a homogeneous mixture of two or more substances in a single phase
- a solution that contains less than the maximum amount of dissolved solutepossible
20 Clues: when something can be dissolved • the substance dissolved by a solvent • the medium used to dissolve another substance • when two substances can dissolve in one another • when two substances cannot dissolve in one another • when a solute particle is surrounded by solvent particles • when a liquid bubbles and fizzes due to gas rapidly escaping • ...
Chemistry 2022-08-18
Across
- full form of H2O
- most commonly applied on fishes in fish market to preserve it for longer duration
- most radioactive element
- study of structure of substances
- IUPAC name of CH3CH2OH
- full form of O2
- father of chemistry
- metal commonly used in wires
- chemical reaction consists of _____ and product
Down
- name of Ar-OH
- turns pink in basic solution(indicator)
- non metal that conducts electricity
- full form of CO2
- most reactive
- metal in liquid form
- full form of O3
- a three carbon chain
- used to make food sweet
- full form of H2
- used in the prevention of goitre
20 Clues: name of Ar-OH • most reactive • full form of O3 • full form of H2 • full form of O2 • full form of CO2 • full form of H2O • father of chemistry • metal in liquid form • a three carbon chain • IUPAC name of CH3CH2OH • used to make food sweet • most radioactive element • metal commonly used in wires • study of structure of substances • used in the prevention of goitre • ...
Chemistry 2022-09-12
Across
- an element with 27 protons
- what is the mass number of calcium
- travels at the speed up of 3.00x10^8 m/s
- cause metals to eject their electrons
- What is an atom with the same number of electrons as protons
- the weight of an element minus the atomic number equals the amount of what
- atoms that lose electrons have what time of ions
- equals the amount of protons
- used to transmit information
- atoms with the same number of protons but different numbers of neutrons
- what is the element name of HE
- equals the number of electrons
- can hold two electrons each
- when an atom emits energy, the electrons move from an excited state to their ground state and give off what
- an atom that has gained or lost one of more electrons
- atoms that gain electrons have what time of ions
- Rutherfords gold foil experiment is about discovering what
Down
- How many electrons can the F subshell hold
- The number of protons are referred to what
- what is placed in the bracket when writing short hand notation
- Which element has a shorthand configuration of [Ne]3s2 3p1
- Atoms are made up of what type of particles
- what is everything made up of
- when an atom absorbs energy from a flame they become
- the flame color is described in terms of its what
- What is the element name of NA
- what is the net charge of hydrogen
- how many p orbitals can there be in an energy level
- during reactions, positions are very unstable so the electrons would quickly drop back down to where
- any of the one or more orbitals making up an electron shell of an atom
- the maximum amount of displacement of a particle on the medium from its rest position
31 Clues: an element with 27 protons • can hold two electrons each • equals the amount of protons • used to transmit information • what is everything made up of • What is the element name of NA • what is the element name of HE • equals the number of electrons • what is the mass number of calcium • what is the net charge of hydrogen • cause metals to eject their electrons • ...
Chemistry 2022-09-12
Across
- What is the element name of NA
- during reactions, positions are very unstable so the electrons would quickly drop back down to where
- when an atom absorbs energy from a flame they become
- equals the number of electrons
- Atoms with a negative charge have more electrons than protons and are called
- Which element has a shorthand configuration of [Ne]3s2 3p1
- the flame color is described in terms of its what
- what is the element name of HE
- What is an atom with the same number of electrons as protons
- equals the amount of protons
- atoms that lose electrons have what time of ions
- How many electrons can the F subshell hold
- the different color of the flames is due to the amount of what in each salt
- what is everything made up of
- the colors observed when a substance is heated in a flame may be used as what
- the maximum amount of displacement of a particle on the medium from its rest position
- atoms that gain electrons have what time of ions
- the weight of an element minus the atomic number equals the amount of what
- what is the the first element symbol of copper
- any of the one or more orbitals making up an electron shell of an atom
Down
- which atom has a mass of 83.80
- an element with 27 protons
- atoms with the same number of protons but different numbers of neutrons
- below a certain frequency, no electrons will eject no matter the what
- how many subshells are there
- which atom has a mass of 196.67
- high frequency waves have what kind of wavelengths
- can hold two electrons each
- travels at the speed up of 3.00x10^8 m/s
- where does atoms absorb energy from when a substance is heated
- what does Zn stand for
- what is the mass number of calcium
- Rutherfords gold foil experiment is about discovering what
- Atoms are made up of what type of particles
- what is the net charge of hydrogen
- how many p orbitals can there be in an energy level
- atoms with a positive charge have fewer electrons than protons and are called
- used to transmit information
- atoms with different numbers of protons are different what
- when an atom emits energy, the electrons move from an excited state to their ground state and give off what
- what is placed in the bracket when writing short hand notation
- what does Sn stand for
- The number of protons are referred to what
- an atom that has gained or lost one of more electrons
- cause metals to eject their electrons
45 Clues: what does Zn stand for • what does Sn stand for • an element with 27 protons • can hold two electrons each • how many subshells are there • used to transmit information • equals the amount of protons • what is everything made up of • which atom has a mass of 83.80 • What is the element name of NA • equals the number of electrons • what is the element name of HE • ...
Chemistry 2022-05-19
Across
- Atoms cannot be __________, created, or destroyed.
- A ________ formula indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts.
- is a unique element.
- The second row of the f block are known as?
- 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.
- Red Atoms of different elements combine are known as?
- electron of one atom and proton of the other atom _______ one another.
- A molecular formula shows the types and numbers of atoms combined in a single molecule of a molecular compound.
- two nuclei and two electrons _____ each other.
- A ________ is a neutral group of atoms that are held together by covalent bonds.
- A chemical compound whose simplest units are molecules is called a _________ compound.
- 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.
- a chemical compound containing elements in exactly the same proportions by mass regardless of the size or source of the compound.
- All matter is composed of extremely small particles called?
Down
- The first row of the f block are known as?
- In the periodic table, the f-block elements are wedged between Groups 3 and 4 in the sixth and ______ periods.
- Repeating patterns are referred to as ________.
- the p block includes all of the nonmetals except hydrogen and ______.
- is the energy required to break a chemical bond and form neutral isolated atoms.
- ______ is used to form chemical compounds.
- states that the physical and chemical properties of the elements are periodic functions of their atomic numbers.
- 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 energy change that occurs when an electron is acquired by a neutral atom is called the atom’s electron affinity.
- is a measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
- Cationic and _______ radii decrease across a period.
- The elements of Group 1 of the periodic table are known as the _____ metals.
- The p-block elements together with the s-block elements are called the __________ elements.
- All six of the __________ are also in the p block.
- the attraction between two or more atoms that allows them to be able to form a stable chemical compound.
30 Clues: is a unique element. • 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 ________. • Atoms cannot be __________, created, or destroyed. • All six of the __________ are also in the p block. • ...
Chemistry 2022-05-19
Across
- A ________ is a neutral group of atoms that are held together by covalent bonds.
- A ________ formula indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts.
- The first row of the f block are known as?
- All six of the __________ are also in the p block.
- is a measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
- two nuclei and two electrons _____ each other.
- ______ is used to form chemical compounds.
- Repeating patterns are referred to as ________.
- is a unique element.
- 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.
- Red Atoms of different elements combine are known as?
- has just three valence electrons, which tends to form bonds in which it is surrounded by six electrons.
- The elements of Group 1 of the periodic table are known as the _____ metals.
- Atoms cannot be __________, created, or destroyed.
Down
- states that the physical and chemical properties of the elements are periodic functions of their atomic numbers.
- Cationic and _______ radii decrease across a period.
- 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.
- a chemical compound containing elements in exactly the same proportions by mass regardless of the size or source of the compound.
- A chemical compound whose simplest units are molecules is called a _________ compound.
- The second row of the f block are known as?
- electron of one atom and proton of the other atom _______ one another.
- All matter is composed of extremely small particles called?
- The elements of Group 2 of the periodic table are called the alkaline-_____ metals.
- The p-block elements together with the s-block elements are called the __________ elements.
- A molecular formula shows the types and numbers of atoms combined in a single molecule of a molecular compound.
- is the energy required to break a chemical bond and form neutral isolated atoms.
- The energy change that occurs when an electron is acquired by a neutral atom is called the atom’s ___________.
- the p block includes all of the nonmetals except hydrogen and ______.
- the attraction between two or more atoms that allows them to be able to form a stable chemical compound.
- In the periodic table, the f-block elements are wedged between Groups 3 and 4 in the sixth and ______ periods.
30 Clues: is a unique element. • 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 ________. • All six of the __________ are also in the p block. • Atoms cannot be __________, created, or destroyed. • ...
Chemistry 2022-05-19
Across
- has the same molecular formula but different molecular structures
- distance from the nucleus of an atom to the outer ring.
- Amount of space
- If two atoms of the same element have different numbers of neutron then they are said to be
- Magnesium Sulfide
- and neutrons, The only two sub-atomic particles that are found in the nucleus are
- The ability of an atom to attract electrons to itself.
- measurement of amount of matter
- a nucleus in an atom or molecule that may contain zero, one, or two electrons
- an organic compound consisting entirely of hydrogen and carbon
- mass, the mass in grams of one mole of a substance
- electrons in the outermost ring
- a hydrocarbon containing one or more double bond
- molar mass of ammonium peroxide is
- an untested explanation for what is observed
- There are __________ protons in Nickel.
- The units for volume on the metric system are
- shape, the 3-dimensional shape that a molecule occupies in space
- Aluminum has no charge, it has how many electrons?
- When converting to Kelvins, 120 °C is equal to
Down
- an atom or a functional group attracts electrons toward itself.
- mass of ammonium nitrate
- dot, diagrams that show the bonding between atoms of a molecule
- laws, laws that describe the properties of gases
- compound, has metals and non-metals
- If two atoms of the same element have different numbers of neutrons, then they are said to be
- an atom with a charge
- a hydrocarbon that is saturated
- many peaks pass a point in a period of time
- Length,The distance from peak to peak
- The atomic number is equal to the number of
- If a solid is formed from two aqueous solutions that are mixed, that solid is called
- number of moles of solute per one liter of solution
- a hydrocarbon that has one or moretriple bond
- study of matter and energy and the materials of the universe
- Hydrochloric Acid
- the relationship between the quantities of reactants and products before, during, and following chemical reactions
- An example of a transition metal is
38 Clues: Amount of space • Magnesium Sulfide • Hydrochloric Acid • an atom with a charge • mass of ammonium nitrate • measurement of amount of matter • a hydrocarbon that is saturated • electrons in the outermost ring • molar mass of ammonium peroxide is • An example of a transition metal is • compound, has metals and non-metals • Length,The distance from peak to peak • ...
Chemistry 2022-05-29
Across
- a type of sedimentary rock formed when grains of calcium carbonate basically the one that has fossils in it
- not on the bad side or the good side or in other words it’s at the ph of 7.0
- matter that has a fixed volume but take the shape of the container
- changing an alkali or an acid to the ph of 7.0
- rain rain with a ph lower than 7.0
- molten rock
- molten rock emerging onto the earths surface
- the remains of plants or animals
- small fragments of rock
- gas produced when a water boils
- carrying away fragments of rock by gravity water and wind
- something inside the earth
Down
- a substance that contains hydroxide particles the reverse of acid
- changing from a solid to liquid
- substances thst make up rock
- changing from gas to a liquid
- a wear caused by two rocks rubbing against each other
- very small pieces of matter that everything is made up of
- in a liquid state
- matter than can spread out to fill all the space available basically the particle that has invisible
- indicator a thing that measures the volume of the ph
- wear on rocks caused by rain , wind , frost and temperature changes
- squeezed into a smaller space
- the amount of space take up by a solid liquid or gas
- a type of sedimentary rock formed when grains of sand were squashed together
25 Clues: molten rock • in a liquid state • small fragments of rock • something inside the earth • substances thst make up rock • changing from gas to a liquid • squeezed into a smaller space • changing from a solid to liquid • gas produced when a water boils • the remains of plants or animals • rain rain with a ph lower than 7.0 • molten rock emerging onto the earths surface • ...
Chemistry 2022-06-02
Across
- highly radioactive, was used in an atomic bomb
- smallest unit of matter that still retains its properties
- a pawsitive ion
- used to heat stuff
- the study of matter and its changes
- an atom or group of atoms that carry a charge
- produced hydroxide ions in solution
- glassware shaped like a triangle
- the concentration of H+ ions in a solution
- adding a known to an unknown solution to determine molarity
- neutral particle
- positively charged particle
- metal that is liquid at room temperature
- negatively charged particle
- water with something dissolved in it
Down
- has graduated marks to measure with
- discovered number 17 down
- used to weigh out dry reagents
- used to take a temperature
- the concentration of a solution
- made famous by Superman
- produces hydrogen ions in solution
- how tightly packed matter is
- one of these is equal to an element's mass on the periodic table
- an atomic model with a circular design with rings
- used to move dry reagents
- used to denot charge on in the name of a transition metal
- the element of life
- a negative ion
29 Clues: a negative ion • a pawsitive ion • neutral particle • used to heat stuff • the element of life • made famous by Superman • discovered number 17 down • used to move dry reagents • used to take a temperature • positively charged particle • negatively charged particle • how tightly packed matter is • used to weigh out dry reagents • the concentration of a solution • ...
Chemistry 2022-12-08
Across
- change in speed, direction or both
- go left to right and tells you how many energy levels the atom has
- does not its chemical composition
- point where electron probability is zero
- one of the main parts of an atom, and is made of three subatomic particles
- distance divided by time
- located in the nucleus and has a positive charge
- speed plus direction
- can be bent or hammered into a sheet
- conducts electricity
- malleable, luster conductor
Down
- determines the reactivity/stability
- dull, brittle, insulator
- located in the nucleus and has a neutral charge
- run up and down in columns of the periodic table
- aka electron shells, fixed distances from the nucleus of an atom where electrons may be found
- not shiny
- pure substance that cannot be broken down by anything physical or chemical
- amount of matter in an object
- table of the elements
20 Clues: not shiny • speed plus direction • conducts electricity • table of the elements • dull, brittle, insulator • distance divided by time • malleable, luster conductor • amount of matter in an object • does not its chemical composition • change in speed, direction or both • determines the reactivity/stability • can be bent or hammered into a sheet • ...
Chemistry 2022-12-09
Across
- has a positive charge
- is more stable
- =chemical properties
- does not let electricity pass
- an unexpected change
- cant be bent or hammered
- is more reactive
- 1st of the 5 pieces of evidence of chemical change
Down
- a chart with all the elements
- has a neutral charge
- an expected change
- 5th of the 5 pieces of evidence of chemical change
- shatters easily
- is in the middle of the atom
- 4th of the 5 pieces of evidence of chemical change
- shiny
- 2nd of the 5 pieces of evidence of chemical change
- 3rd of the 5 pieces of evidence of chemical change
- has a negative charge
- not shiny
20 Clues: shiny • not shiny • is more stable • shatters easily • is more reactive • an expected change • has a neutral charge • =chemical properties • an unexpected change • has a positive charge • has a negative charge • cant be bent or hammered • is in the middle of the atom • a chart with all the elements • does not let electricity pass • 5th of the 5 pieces of evidence of chemical change • ...
Chemistry 2022-11-29
Across
- Same as relative atomic mass
- The total number of electrons that an atom either gains or loses
- The ions are packed together in a regular arrangement
- An increase in the oxidation number
- Occurs between non-metal atoms and the bond formed
- An amount of how much electrons can through
- The average mass of the isotopes
- Used for ionic compounds
- The bonding occurs between metals
Down
- A substance that reduces another substance and is itself oxidised
- Simultaneous oxidation and reduction
- A reduction in the oxidation number
- Molecules that have lost one or more electrons
- A very hard substance
- The oxygen atoms with extra-negatively-charged electrons
- A strong electrostatic attraction
- Can be measured in g/dm^3 or mol/dm^3
- A substance of pencils
- The degree of compactness of a substance
- A substance that oxidises another substance and is itself reduced
- Same as relative atomic mass
21 Clues: A very hard substance • A substance of pencils • Used for ionic compounds • Same as relative atomic mass • Same as relative atomic mass • The average mass of the isotopes • A strong electrostatic attraction • The bonding occurs between metals • A reduction in the oxidation number • An increase in the oxidation number • Simultaneous oxidation and reduction • ...
Chemistry 2022-12-01
Across
- nucleus the central component of an atom with a positive charge
- 6,02 x 10∧23- .... law
- the study of compounds not covered by organic chemistry- ..... chemistry
- a species with an overall positive charge
- the last name of the Russian chemist who created the first version of the periodic table of elements
- a species with an overall negative charge
- an aliphatic hydrocarbon that contains a C-C triple bond
- a combination of more than one element
- an organic compound that contains an OH functional group
- the study of carbon and its compounds- .... chemistry
- an enzyme found in saliva, that converts starch and glycogen into simple sugars
- atoms with the same number of protons but different numbers of neutrons
- what colour does calcium chloride burn?
- the study of the interactions of matter with other matter and with energy
- the acronym for 3,4-methylenedioxymethamphetamine
- a unit of radioactivity equal to 3,7 x 1010 decays/s
- abbreviation for lysergic acid diethylamide
Down
- the process of a gas becoming a liquid
- quantity of matter in an object
- a substance whose colour change indicates the equivalence point of a titration
- a unit of radioactivity equal to 1 decay per second
- an aliphatic hydrocarbon with only single covalent bonds
- a tiny subatomic particle with a negative charge
- abbreviation for deoxyribonucleic acid
- a container used to measure the heat of a chemical reaction
- the smallest piece of an element
- branch of chemistry that studies the chemical processes that occur inside of living organisms
- an organic derivative of ammonia
- a compound that increases the amount of H+ ions in an aqueous solution
29 Clues: 6,02 x 10∧23- .... law • quantity of matter in an object • the smallest piece of an element • an organic derivative of ammonia • the process of a gas becoming a liquid • a combination of more than one element • abbreviation for deoxyribonucleic acid • what colour does calcium chloride burn? • a species with an overall positive charge • ...
Chemistry 2020-05-28
Across
- the branch of science that deals with the identification of the substances of which matter is composed
- is a combination of at least two atoms in a definite proportion, bound together by covalent bonds
- is the ability to scatter a beam of light that passes through it
- a mixture whose composition varies from one position to another within the sample
- are positively charged
- is the simplest form of matter since it is composed of only one kind of atom
- also called as the intrinsic property
- the process of converting solid to liquid
- consist of a dispensed phase or the substance that is dissolved or scattered and a dispersing medium or the substance in which the dispersed phase is spread
- is a matter that has a definite composition and distinct properties
- are those that can be measured and observed without changing the composition of the substance
- is the ratio of the mass of an object to the volume it occupies
- is a process of separating the components of a suspension
- its particles are close together
- is another method of separating complex mixtures
- is a process in which a conversion factor written in a form of ratio to change the units given in the data to the units desired
- a pure substance containing two or more kinds of atom chemically combined in a definite proportion by mass
- is the ability of a substance to react with other substances such as air, water, acid, and base
- is the quantity of matter in the object
- occurs when a substance is converted to a new substance
- is the absolute value of the difference between the true value and the experimental value divided by the true value
- the process of converting liquid to gas
Down
- also called as solution
- the process of converting liquid to solid
- the solid particles are allowed to settle first at the bottom
- its particles are close together but are not held so rigidly in position
- also called as the extrinsic property
- the mixture is poured into a special tube in the centrifuge apparatus, and is allowed to spin using centrifugal force
- its particles are far apart from each other
- consist of course particles which are visible to the naked eye
- the process of converting gas to liquid
- is anything that has mass and occupies space
- which have a negative charged and are electrically-attracted to protons
- is composed of two or more substances combined physically in variable proportions
- it is the process of simplifying a very large a very large number or very small number
- is the amount of space occupied by a substance
- are the digits in any measurement that are known certainty plus one digit which is uncertain
- occurs when the internal make-up of the matter stays the same, even after the change only the shape, size, and state are altered
- which are uncharged particles found within the atomic nuclei
- a process in which the mixture is boiled
- is determined when a certain quantitative value is relatively close to the "true" value
- are frequently used in chemistry include mass, volume, temperature, and density
- the smallest particle of an element
- is the process of separating elemental metals from other particles in the mixture
- the dissolving medium
- the process of changing solid to gas without passing through the liquid state
- is the process of removing insignificant digits from calculated numbers
- occurs when gas is converted to solid
- tells how hot or cold an object is
- is the consistency of a result
50 Clues: the dissolving medium • are positively charged • also called as solution • is the consistency of a result • its particles are close together • tells how hot or cold an object is • the smallest particle of an element • also called as the extrinsic property • also called as the intrinsic property • occurs when gas is converted to solid • the process of converting gas to liquid • ...
Chemistry 2020-06-02
Across
- is a chemical reaction that releases energy through light or heat.
- Model was the first atomic model and was developed by John Dalton in the early 19th century.
- is a pure substance that is made from a single type of atom
- is any substance that has mass and takes up space by having volume.
- firm and stable in shape; not liquid or fluid.
- a thing that is composed of two or more separate elements; a mixture.
- the conversion of a vapor or gas to a liquid.
- able to be dissolved, especially in water.
- is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
- are a group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine (I), and astatine.
- a substance made by mixing other substances together.
- are the chemical elements in group 16 of the periodic table.
- is simply an element that does not display the properties of a metal. It is not defined by what it is, but by what it is not.
- make up a group of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity.
- is the artificial execution of useful chemical reactions to obtain one or several products.
- is the sub-field of chemistry dealing with radioactivity, nuclear processes, and transformations in the nuclei of atoms, such as nuclear transmutation and nuclear properties.
- is a nearly incompressible fluid that conforms to the shape of its container but retains a constant volume independent of pressure.
- has electrons surrounded by a volume of positive charge, like negatively-charged "plums" embedded in a positively-charged "pudding"
- a solution is a special type of homogeneous mixture composed of two or more substances.
- a chemical reaction that proceeds more rapidly than it ordinarily would because of the influence of a second and faster reaction in the same system.
- is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.
- is one of the four fundamental states of matter.
- becoming liquefied by heat.
- is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
- is the smallest constituent unit of ordinary matter that constitutes a chemical element.
- the medieval forerunner of chemistry, based on the supposed transformation of matter. It was concerned particularly with attempts to convert base metals into gold or to find a universal elixir.
- is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
- tend to be associated with the vertical columns on the periodic table
Down
- consisting of parts all of the same kind.
- is a branch of chemistry focused on the application of quantum mechanics in physical models and experiments of chemical systems.
- are the building blocks of rocks.
- denoting a process involving substances in different phases (solid, liquid, or gaseous).
- is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
- is a class of physical phenomena that are mediated by magnetic fields.
- is an element that readily forms positive ions (cations) and has metallic bonds.
- is the name given to a horizontal row of the periodic table.
- is the unit of measurement for amount of substance in the International System of Units.
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
- is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibrium.
- is an element that has properties that are intermediate between those of metals and nonmetals.
- cause (a substance) to be deposited in solid form from a solution.
- a coherent, typically large body of matter with no definite shape.
- a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes.
- is the science of obtaining, processing, and communicating information about the composition and structure of matter.
- is an electrically neutral group of two or more atoms held together by chemical bonds.
- deals with synthesis and behavior of inorganic and organometallic compounds.
- is any process which requires or absorbs energy from its surroundings, usually in the form of heat.
- are the structural units (monomers) that make up proteins. They join together to form short polymer chains called peptides or longer chains called either polypeptides or proteins
- an expert in chemistry; a person engaged in chemical research or experiments.
- which the negatively charged electrons orbit a small, positively charged nucleus similar to the planets orbiting the sun (except that the orbits are not planar).
50 Clues: becoming liquefied by heat. • are the building blocks of rocks. • consisting of parts all of the same kind. • able to be dissolved, especially in water. • the conversion of a vapor or gas to a liquid. • firm and stable in shape; not liquid or fluid. • is one of the four fundamental states of matter. • a substance made by mixing other substances together. • ...
chemistry 2020-06-10
Across
- a homogeneous mixture of two or more substances
- reaction which nuclei combine to form more massive nuclei
- a process in which a substance is changed into another
- any source of usable power
- a liquid substance capable of dissolving other substances
- a chemical substance present at the start of a process
- a substance formed by chemical union of two or more elements a substance that cannot be separated into simpler substances a particular kind of matter with uniform properties
- a chemical reaction and its reverse proceed at equal rate
- a stable particle with positive charge
- the molecular mass of a substance expressed in grams
- the property of a body that causes it to have weight
- the path of an electron around the nucleus of an atom
- the amount per unit size
Down
- the smallest component of an element
- a constant number that serves as a measure of some property a basic attribute shared by members of a class
- a particular kind of matter with uniform properties
- resistance of a liquid to flowing
- energy transmitted in the form of rays or waves or particles a small portion of matter
- that which has mass and occupies space
- the positively charged dense center of an atom
- a subatomic particle with zero charge
- an elementary particle with negative charge
- a naturally occurring or synthetic compound
23 Clues: the amount per unit size • any source of usable power • resistance of a liquid to flowing • the smallest component of an element • a subatomic particle with zero charge • that which has mass and occupies space • a stable particle with positive charge • an elementary particle with negative charge • a naturally occurring or synthetic compound • ...
chemistry 2020-06-12
Across
- A negatively charged subatomic particle.
- The difference from the lowest to the highest values
- Firm and stable in shape
- Amount of matter in an object
- A space between two things or people.
- Extending down
- Burned to produce heat or power
- Something that is required and directly contributes to a result
- Measure of the amount of matter in a object.
- How fast something travels
- Something carried by a missile
Down
- Increase in volume due to temperature
- How quickly something moves in a given direction
- The capacity or power to do work
- The degree to which a substance is compact
- The amount of space that a substance or object occupies
- A substance that flows freely but has a constant volume
- A chemical species donating protons
- To do something again
- Two or more objects have an effect upon one another
- A subatomic particle with a positive charge
- To lower or go down
- Objective of an ambition or effort of a person
- To make greater, as in quantity or extent
- A fluid that fills all the space in a container
25 Clues: Extending down • To lower or go down • To do something again • Firm and stable in shape • How fast something travels • Amount of matter in an object • Something carried by a missile • Burned to produce heat or power • The capacity or power to do work • A chemical species donating protons • Increase in volume due to temperature • A space between two things or people. • ...
Chemistry 2020-06-13
Across
- Going down
- How far something travels within a given time
- To what degree a product is compact
- Target of a person's ambition or effort
- Difference between lowest and highest
- A material that flows freely but has a constant volume
- To raise the quantity or magnitude
- An amount of matter
- Lower or become less
- Particle with positive charge
- Capacity or strength to do work
- A space between two things
- Anything carried by a rocket
Down
- Measure how fast something is moving in a given direction
- Two or more objects impact one another
- not fluid
- Burnt to generate heat or power
- How much room a material or entity occupies
- Increased volume due to temperature
- Something which is required and contributes directly to the result
- Do again
- A chemical proton donor
- A subatomic particle with negative charge
- A fluid that fills all the space in a container
24 Clues: Do again • not fluid • Going down • An amount of matter • Lower or become less • A chemical proton donor • A space between two things • Anything carried by a rocket • Particle with positive charge • Burnt to generate heat or power • Capacity or strength to do work • To raise the quantity or magnitude • To what degree a product is compact • Increased volume due to temperature • ...
CHEMISTRY 2020-05-20
Across
- -uniterm in composition.
- – a positively charged ion.
- – is the separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates.
- – a property that describes a substances ability to participate in chemical reaction.
- -it is when a substances react with each other and form one or more new substances.
- – a chemical reaction that releases energy.
- composed of 2 or more atom.
- – it has a definite shape and a definite volume.
- - is a form of matter in which many of the electrons wander around freely among the nuclei of the atoms.
- – A zero that does not count as significant figures.
- property -a matter that can be observed without changing the matter’s identity.
- – the degree to which a chemical substance or a particular mixture of substance can damage an organism.
- – Any substance that has mass and takes up space.
- – a zero that always counts as a significant figure.
- the mass of an atom.
- – substance that is dissolved or scattered and dispersing medium.
- – refers to the agreement of a particular value with the true value.
- – accompanied by or requiring the absorption of heat.
- -type of matter and the way matter is arranged.
- a negatively charged ion.
- - a method in which two or more components of different sizes are separated from a mixture on the basis of the difference in their sizes.
- the number of protons and the number of neutrons determine an element's mass number.
- - is the method in which heavier components of the mixture are separated from the lighter substances with the help of wind.
- - the ability of a chemical to burn or ignite, causing fire combustion.
- – a branch of chemistry that deals with the study of compounds that are not covered by organic chemistry.
- – a zero that are only significant if the number contains a decimal point.
Down
- – A type of error that occurs in the same direction each time. Often resulting from poor technique.
- – a branch of chemistry that deals with the study of chemical processes that occur inside of living organisms.
- – it has indefinite shape and a definite volume, takes shape of a container.
- TABLE – a organized chart of all the elements.
- - is an effective method to separate mixtures comprised of two or more pure liquids.
- – a branch of chemistry which deals with the study of compounds that contain the element carbon and hydrogen.
- – the mass per unit volume of a substance.
- – is when a substance goes from gas to solid.
- – the ability of a substance to be pulled into a wire.
- – the ability of a substance to be rolled or pounded into thin sheets
- – a branch of chemistry that deals with the study of separation, identification, and quantification of chemical components of natural and artificial materials.
- definite composition.
- – type of chemical bonding wherein it involves the electrostatic attraction between oppositely charged ions.
- – consist of coarse particles which are visible to the naked eye
- – A state of matter that have an indefinite shape and indefinite volume.
- – 2 or more substances compound physically in variable proponents.
- – the transition of substance directly from the solid to the gas state.
- - a technique used to separate out homogenous mixtures where there is one or more dissolved solids.
- - separation method used to separate out pure substances in mixtures comprised of particles some of which are large enough in size to be captured with a porous material.
- -the ability of a substance to dissolve in another substance.
- – A branch of chemistry that deals with the study of physics and math.
- -the ability of two or more substances to chemical combine and form one more new substances.
- – composed of an atom.
- - branch of science that deals with the identification of the substances of which matter is composed.
- – a type of error wherein the measurement has an equal probability of being high or low.
51 Clues: the mass of an atom. • definite composition. • – composed of an atom. • -uniterm in composition. • a negatively charged ion. • – a positively charged ion. • composed of 2 or more atom. • – the mass per unit volume of a substance. • – a chemical reaction that releases energy. • – is when a substance goes from gas to solid. • TABLE – a organized chart of all the elements. • ...
Chemistry 2020-05-20
Across
- SI unit used to measure electric current
- made up of two or more different substances
- measure of the amount of matter contained in a given volume
- unit of measurement for temperature used most commonly in the United States
- numbers are either defined numbers or result of a count
- properties that can be measured or observed without changing the chemical nature of the substance
- method for separating dissolved substances from one another. It is often used when the dissolved substances are coloured, such as inks, food colourings and plant dye
- particles are packed tightly together
- refers to whether a compound will react with water or air
- if a substance does not dissolve
- if a substance can be dissolved
- chemical substance that is made up of a particular kind of atom
- consists of highly charged particles
- example of physical property (2)
- degree of closeness between measurements of a quantity and that quantity’s actual (true) value
- example of physical property
- measure of cold or heat, often measurable with a thermometer
- SI unit for measuring large quantities of very small entities such as atoms, molecules, or other specified particles
- study of chemical processes that occur inside of living organisms
- particles are more loosely packed
- digits that carry meaning in a number and contribute to its precision
- mixture of two or more chemical substances where the different components cannot be visually distinguished
Down
- refers to whether a compound will burn when exposed to flame
- temperature at which a substance melts
- inaccuracy caused by flaws in an instrument
- method for separating a liquid from a mixture of two or more liquids
- SI unit for distance
- SI unit for time
- particles have a great deal of space
- Study that applies physics
- composed of pure elements
- series of units that is accepted and used throughout the scientific world
- pure substances made up of atoms of different elements connected together in a fixed ratio, forming a molecule
- study of the chemistry of matter
- temperature at which a substance boils
- SI unit for mass
- SI unit for temperature
- method for seperating an insoluble solid from a liquid that uses heat
- method for separating an insoluble solid from a liquid that uses filter paper
- measuring that property must lead to a change in the substance’s chemical structure
- mixture of two or more chemical substances where the different components can be visually distinguished and easily separated by physical means
- Study of the chemistry of life
- also called reproducibility or repeatability, it is the degree to which repeated measurements under unchanged conditions show the same results
- Study of compounds
44 Clues: SI unit for time • SI unit for mass • Study of compounds • SI unit for distance • SI unit for temperature • composed of pure elements • Study that applies physics • example of physical property • Study of the chemistry of life • if a substance can be dissolved • study of the chemistry of matter • if a substance does not dissolve • example of physical property (2) • ...
Chemistry 2020-01-23
Across
- ________ solution turns blue litmus red
- This bond is formed when metals transfer electrons to non-metals
- This cation forms a white ppt when a few drops of aqueous NaOH is added but the ppt dissolves and forms a colourless solution when aqueous NaOH is added in excess
- This is the reaction between acids and bases
- pungent gas that turns moist red litmus paper blue
- Acids react with ________ to form salt and hydrogen gas
- Most ________ salts are insoluble (in water) except Sodium, Potassium, Ammonium
- Negatively charged particles
- This gas turns purple acidified potassium manganate (VII) colourless
- _________ oxides can react with both acids and alkalis
- All ________ salts are soluble (in water)
Down
- This bond is formed when non-metals share electrons
- These are oxides that have neither acidic nor basic properties
- Most _________ salts are soluble (in water) except Calcium, Lead and Barium
- An atom is electrically ________ - number of electrons is equal to number of protons
- This is formed acidified silver nitrate is added to a solution containing chloride ions
- The process when a substance changes its state from gas to liquid
- Testing for this ion by adding aqueous NaOH followed by aluminium powder
- Most _________ salts are insoluble (in water) except Calcium, Barium, Sodium, Potassium and Ammonium
- Atoms of the same element that have the same atomic number but different mass number
- Positively charged particles
- Most ________ salts are soluble (in water) except Sodium, Mercury and Lead
- Light blue ppt is formed when aqueous Ammonia is added but upon adding in excess, the ppt dissolves to give a dark blue solution
23 Clues: Negatively charged particles • Positively charged particles • ________ solution turns blue litmus red • All ________ salts are soluble (in water) • This is the reaction between acids and bases • pungent gas that turns moist red litmus paper blue • This bond is formed when non-metals share electrons • _________ oxides can react with both acids and alkalis • ...
CHEMISTRY 2017-03-06
Across
- numero massimo di elettroni che un orbitale può contenere secondo il principio di esclusione di Pauli
- N
- si ottiene dall'unione di un idrossido e un ossiacido
- numero di protoni presenti in un atomo
- composti binari costituiti dallo ione metallico e dallo ione ossido
- numeri utilizzati per il bilanciamento
- dipolo per eccellenza
- Mn
- elemento più elettronegativo della tavola periodica
- nome dell'atomo che riceve il doppietto in un legame covalente dativo
- legame covalente dativo che porta alla formazione di uno ione positivo
- legame che si instaura tra ioni di carica opposta
- FeO
- cosa differenzia gli ossiacidi e gli idracidi
Down
- capacità di un atomo di attrarre gli elettroni
- legame tra gli ioni positivi del metallo e gli elettroni mobili che li circondano
- CO
- si ottiene dall'unione tra un'anidride e l'acqua
- legame in cui un atomo ha una parziale carica positiva e un altro una parziale carica negativa
- acidi binari composti solamente da idrogeno e da un alogeno
- Cu
- legame che si forma per condivisione di un doppietto elettronico fornito da un solo atomo
- forze di attrazione intermolecolari che si creano quando dipoli temporanei sono vicini
- Hf
- atomi di uno stesso elemento con stesso numero di protoni ma diverso numero di neutroni
- NaCl
- ione caricato negativamente
- Y
- composti costituiti da due elementi
- Au
30 Clues: N • Y • CO • Cu • Hf • Mn • Au • FeO • NaCl • dipolo per eccellenza • ione caricato negativamente • composti costituiti da due elementi • numero di protoni presenti in un atomo • numeri utilizzati per il bilanciamento • cosa differenzia gli ossiacidi e gli idracidi • capacità di un atomo di attrarre gli elettroni • si ottiene dall'unione tra un'anidride e l'acqua • ...
Chemistry 2019-10-11
Across
- Teori yang menjelaskan pembentukan geometri molekul
- Zat yang dioksidasi pada larutan basa dengan anoda inert
- Perhitungan reaksi kimia
- Reaksi yang menghasilkan panas
- Sifat yang muncul karena jumlah zat terlarut bukan karena sifat kimia zat terlarut
- Kutub Negatif pada Elektrolisis
- Penggambaran ikatan kimia dari elektron valensi
- Hukum yang menjelaskan hubungan antara muatan dengan mol elektron
- Konfigurasi elektron dengan prinsip "Membangun"
Down
- Proses perusakan suatu benda
- Unsur yang memiliki nilai elektronegatifitas tertinggi
- Sifat magnet yang muncul akibat dari 1-3 elektron yang tidak berpasangan
- Oksidator pada proses terbentuknya karat
- atuan konsentrasi yang dihitung dari mol berbanding dengan volume larutan
- Zat yang direduksi saat terdapat ion natrium dalam larutan
- Kutub Negatif pada Sel Volta
- Satuan jumlah zat
- Ikatan antara sulfur dan oksigen dalam ion sulfat
- Hidrokarbon Tunggal
- Spesi yang memiliki bilangan oksidasi sama dengan nol
20 Clues: Satuan jumlah zat • Hidrokarbon Tunggal • Perhitungan reaksi kimia • Proses perusakan suatu benda • Kutub Negatif pada Sel Volta • Reaksi yang menghasilkan panas • Kutub Negatif pada Elektrolisis • Oksidator pada proses terbentuknya karat • Penggambaran ikatan kimia dari elektron valensi • Konfigurasi elektron dengan prinsip "Membangun" • ...
Chemistry 2019-11-08
Across
- Two or more substances combined
- A combination of symbols that represent a compound and the amount
- One or two letters that represent an element
- Pure substances formed by the combination of a metal and a non-metal
- One type of matter
- Arranged elements in the periodic table according to their properties
- Subatomic particle with a positive electrical charge
- In a chemical reaction the total mass of the reactants is equal to the total mass of the products
- First chemistry text
- Average mass of an element
- A chemical reaction which absorbs heat energy
- Cloudy mixture that cannot be separated
- Number of protons an element has
- Subatomic particle with a negative electrical charge
- A new substance produced in a chemical reaction
Down
- Substance made up of only one type of matter
- A substance that reacts with other substances in a chemical reaction
- Pure substances formed by the combination of two non-metals
- When two or more substances react to form a new substance
- Cloudy mixture that can be separated
- Two or more substances in which the different substances are easy to see
- Two or more pure substances that look like one substance
- Chemical combination
- A chemical change which releases heat energy
- Subatomic particle with no charge
25 Clues: One type of matter • First chemistry text • Chemical combination • Average mass of an element • Two or more substances combined • Number of protons an element has • Subatomic particle with no charge • Cloudy mixture that can be separated • Cloudy mixture that cannot be separated • Substance made up of only one type of matter • One or two letters that represent an element • ...
Chemistry 2019-10-14
Across
- Reaksi yang menghasilkan panas
- Sifat magnet yang muncul akibat dari 1-3 elektron yang tidak berpasangan
- Sifat yang muncul karena jumlah zat terlarut bukan karena sifat kimia zat terlarut
- Satuan jumlah zat
- Ikatan antara sulfur dan oksigen dalam ion sulfat
- Proses perusakan suatu benda
- Zat yang dioksidasi pada larutan basa dengan anoda inert
- Hidrokarbon Tunggal
- Unsur yang memiliki nilai elektronegatifitas tertinggi
- Kutub Negatif pada Sel Volta
Down
- Perhitungan reaksi kimia
- Teori yang menjelaskan pembentukan geometri molekul
- Zat yang direduksi saat terdapat ion natrium dalam larutan
- Satuan konsentrasi yang dihitung dari mol berbanding dengan volume larutan
- Spesi yang memiliki bilangan oksidasi sama dengan nol
- Oksidator pada proses terbentuknya karat
- Konfigurasi elektron dengan prinsip "Membangun"
- Hukum yang menjelaskan hubungan antara muatan dengan mol elektron
- Kutub Negatif pada Elektrolisis
- Penggambaran ikatan kimia dari elektron valensi
20 Clues: Satuan jumlah zat • Hidrokarbon Tunggal • Perhitungan reaksi kimia • Proses perusakan suatu benda • Kutub Negatif pada Sel Volta • Reaksi yang menghasilkan panas • Kutub Negatif pada Elektrolisis • Oksidator pada proses terbentuknya karat • Konfigurasi elektron dengan prinsip "Membangun" • Penggambaran ikatan kimia dari elektron valensi • ...
Chemistry 2019-12-17
Across
- decay
- spring back like a ball
- condition at a particular time
- speed at which something happens within a particular period of time
- series of events, one after another
- increases reaction's speed without being affected
- examining and understanding
- well regarded on their field
- help be successful
- one moving object crashes into another
- idea
- added to
- as if eaten up
- process with chemical change
- area where a force has effect
- chemical process involving heating with exploding
Down
- discover
- moment
- be set free
- important
- show
- enough
- outer
- pushed hard together
- secondary product of a process
- powerful or successful
- can burn
- something that react
- power
29 Clues: show • idea • decay • outer • power • moment • enough • discover • can burn • added to • important • be set free • as if eaten up • help be successful • pushed hard together • something that react • powerful or successful • spring back like a ball • examining and understanding • well regarded on their field • process with chemical change • area where a force has effect • condition at a particular time • ...
ChemisTRY 2019-12-05
Across
- Refers to the way in which atoms bond with each other.
- Molecules with the same chemical formula but different chemical structures.
- Electromagnetic attraction between polar molecules in which hydrogen is bound to a larger atom.
- Weakest intermolecular force.
- Sharing of an electron pair between two atoms.
- Describes the ability of an atom to attract electron towards itself in a covalent bond.
- Process of a substance spreading out to evenly fill its container or environment.
- The number of constituent particles that are contained in one mole.
- Pressure and volume are inversely proportional at constant temperature.
- It is the mass of a given chemical element or chemical compound (g) divided by the amount of substance (mol).
- Transfer of valence electrons between atoms.
- Pressure and temperature are directly proportional at constant volume.
Down
- It is composed of two atoms, chemically bonded together.
- Unsaturated hydrocarbon containing at least one carbon—carbon triple bond.
- Forces that exist between molecules.
- The SI unit for the amount of a substance.
- The rate of a gas is inversely proportional to the square root of the mass of its particles.
- Attractive forces between polar molecules.
- A compound of hydrogen and carbon, such as any of those which are the chief components of petroleum and natural gas.
- Resistance of fluid to change its shape; opposition to flow.
- Average mass of atoms of an element, calculated using the relative abundance of isotopes in a naturally-occurring element.
- Temperature and volume are directly proportional at constant pressure.
- It consists of hydrogen and carbon atoms arranged in a tree structure in which all the carbon–carbon bonds are single.
23 Clues: Weakest intermolecular force. • Forces that exist between molecules. • The SI unit for the amount of a substance. • Attractive forces between polar molecules. • Transfer of valence electrons between atoms. • Sharing of an electron pair between two atoms. • Refers to the way in which atoms bond with each other. • It is composed of two atoms, chemically bonded together. • ...
Chemistry 2020-08-31
Across
- H + 2)
- you breathe it
- you need it for your body
- C + O2
- amount of space an object occupies
- takes the shape of its container and can be compressed
- makes voice high
- a colour and element
- in toothpaste
- Ag
Down
- in pools
- is also a planet
- gas that smells bad
- takes the shape of its container, cant be compressed
- group of atoms
- join up to make molecule
- a part of water
- cant be compressed
- frozen water
- amount of matter
20 Clues: Ag • H + 2) • C + O2 • in pools • frozen water • in toothpaste • you breathe it • group of atoms • a part of water • is also a planet • makes voice high • amount of matter • cant be compressed • gas that smells bad • a colour and element • you need it for your body • join up to make molecule • amount of space an object occupies • takes the shape of its container, cant be compressed • ...
chemistry 2020-05-01
Across
- have definite volume and indefinite shape
- is the relationship between the mass of the substance and how much space it takes up (volume)
- is an ionic species that has negative charge
- is the component of a solution that is present in the greatest amount
- is a chemical bond that involves the sharing of electron pairs between atoms.
- is a process in which you are going to change a different unit to another unit
- is any standard used for making comparisons in measurements
- is a type of homogeneous mixture in which the dispersed particles do not settle out
- mixture that has the same proportions of its components throughout any given sample
- is a state of matter where the gas phase is energized until atomic electrons are no longer associated with any particular atomic nucleus
- mixture that a combinations of two or more substances
- is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding
- is defined as a state of matter consisting of particles that have neither a defined volume nor defined shape
- a substance that can be broken down into chemically simpler components
- is a method by which a mixture is separated by distributing its components between two phases
- consists of a solute and a solvent
- is a substance that has inertia and occupies physical space
- the branch of science that deals with the identification of the substances of which matter is composed
- a substance that cannot be broken down into chemically simpler components
- is the universe's fundamental unit of negative charge
- defined as an atom or molecule that has gained or lost one or more of its valence electrons, giving it a net positive or negative electrical charge
- s a tabular arrangement of chemical elements that is arranged by increasing atomic number and groups elements according to recurring properties
- is an outer shell electron with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed
Down
- is the transition from the solid phase to the gas phase without passing through an intermediate liquid phase
- type of chemistry in which concerned with the properties and behavior of inorganic compounds
- property in which any characteristic of matter that does not depend on the amount of the substance present
- is the technique of heating a liquid to create vapor which is collected when cooled separate from the original liquid
- is a process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid
- the subdivision of chemistry dealing with the qualitative and quantitative determination of chemical components of substances
- is the phase transition in which gas transforms into solid without passing through
- also called electrovalent bond, type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound
- is the change in the state of matter from the gas phase to the liquid phase
- is made by comparing a quantity with a standard unit
- is a particle made up of two or more atoms that are chemically bonded together
- is a physical property of matter that changes as the amount of matter changes
- is the smallest object that retains the properties of an element
- any sample of matter that has the same physical and chemical properties throughout the sample
- force that holds atoms together in a metallic substance
- Is a substance that is used or produced in a process involving changes to atoms or molecules
- the branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations
- is a conversion of a liquid to its vapor below to boiling temperature of the liquid
- is a heterogeneous mixture that contains solid particles sufficiently large for sedimentation
- atom or group of atoms that bears a positive electric charge
- is a material used in chromatography
- The chemistry of biology, the application of the tools and concepts of chemistry to living systems
- is the process in which a liquid changes to a solid
- has definite shape and definite volume
- a material composed of two or more substances
- is an element that readily forms positive ions (cations) and has metallic bonds
- is how the elements connect together
50 Clues: consists of a solute and a solvent • is a material used in chromatography • is how the elements connect together • has definite shape and definite volume • have definite volume and indefinite shape • is an ionic species that has negative charge • a material composed of two or more substances • is the process in which a liquid changes to a solid • ...
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 /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 • flask /equipment used for concentration • /displacement of water collects ___gases • ...
chemistry 2020-12-18
Across
- is a very small piece that cannot be divided into smaller pieces
- is Na
- two atoms of the same element is not identical
- means capable of dissolving more
- element is Mg
- is a way of seeing more colours from one color
- is the liquid
- squares are metal in the periodic table
- is the square in the periodic table that is non-metal
- means the opposite of clear
- elect is H
Down
- looks like salt when mixed with chlorine it turns into ...... chloride
- is calcium oxide
- helps separate soil and water
- is K
- are clear
- element is O
- the diffusion goes if you use hot temperature liquids
- is not a solution because its white coloured
- means to weaken the liquid
- is a solution that is salty and fish swim in it
21 Clues: is K • is Na • are clear • elect is H • element is O • element is Mg • is the liquid • is calcium oxide • means to weaken the liquid • means the opposite of clear • helps separate soil and water • means capable of dissolving more • squares are metal in the periodic table • is not a solution because its white coloured • two atoms of the same element is not identical • ...
Chemistry 2021-09-21
Across
- something not metal
- to attract a bonding pair of electrons
- the distance between the nuclei
- shell of the atom
- the elements when arranged in the order of
- atoms or molecules are converted to
- a column of elements in the
- a measure of the tendency of an
- a positively charged ion
- carbon, nitrogen, oxygen, and fluorine
- hydrogen (H), lithium(li),sodium
- the successive occupation of the orbitals in a
- helium, lithium, beryllium,
- fluorine, chlorine, bromine, iodine, and
- xenon, and radon
Down
- and gold
- invented periodic table
- element whose properties are intermediate
- conductivity
- those of metals and solid nonmetals or
- atomic numbers show a periodic variation of
- charged atoms
- table of the chemical elements
- structure and of most of their properties
- titanium, copper, nickel, silver,
- substances characterized by high electrical and
- two identical atoms bonded together
- a negatively charged ion
- molecule with a net electric charge
- any process by which electrically
- helium, neon, argon,
31 Clues: and gold • conductivity • charged atoms • xenon, and radon • shell of the atom • something not metal • helium, neon, argon, • invented periodic table • a negatively charged ion • a positively charged ion • a column of elements in the • helium, lithium, beryllium, • table of the chemical elements • the distance between the nuclei • a measure of the tendency of an • ...
Chemistry! 2021-09-01
Across
- The process by which a substance changes its physical form/state of matter
- c; 10^-2
- SI unit for amount of a substance
- The process by which a substance(s) becomes a different substance(s)
- n; 10^-9
- d; 10^-1
- a; 10^-18
- Closely situated particles with a definite volume but no definite shape
- SI unit for length
- Atom with a different number of neutrons
- A negatively charged particle
- Greatly dispersed particles with no definite volume or shape
- m; 10^-3
- T; 10^12
Down
- G; 10^9
- E; 10^18
- 10^-6
- Closely situated particles with a definite volume and shape
- Determines an atom's identity; the number of protons
- SI unit for time
- SI unit for temperature
- SI unit for luminous intensity
- M; 10^6
- k; 10^3
- P; 10^15
- A positively charged particle
- p; 10^-12
- f; 10^-15
- SI unit for mass
- The number of protons and neutrons in an atom
- SI unit for electric current
31 Clues: 10^-6 • G; 10^9 • M; 10^6 • k; 10^3 • E; 10^18 • c; 10^-2 • P; 10^15 • n; 10^-9 • d; 10^-1 • m; 10^-3 • T; 10^12 • p; 10^-12 • a; 10^-18 • f; 10^-15 • SI unit for time • SI unit for mass • SI unit for length • SI unit for temperature • SI unit for electric current • A positively charged particle • A negatively charged particle • SI unit for luminous intensity • SI unit for amount of a substance • ...
Chemistry 2021-10-22
Across
- What is the maximum number of electrons in the first energy level?
- What does the triangle border indicate in the hazardous household product system?
- What type of method is used to separate two types of particles that have different magnetic properties?
- True or false? The volume of density volume divided by mass.
- Which quantitative physical property measure the attraction between the same material?
- Do metals like to lose or gain valence electrons?
- Who thought of atoms are small spheres that would differ in their properties?
- Who first created the periodic table?
- What is the smallest particle of an element that gives the element it's properties?
- What type of variable do you intend to change in an experiment?
- Is fluorine and sodium an ionic or molecular compound?
- True or false? Sodium chloride is an ionic compound.
- What group is Alkaline Earth Metals in?
- What is dihydrogen monoxide called?
- What type of chemical property is when gasoline burns easily?
- Bohr-Rutherford diagram is a convenient way to represent atomic ___________ of an element.
- What electric change are electrons?
Down
- What is the most reactive metal?
- Where is the non-metals located on a periodic table?
- What is a negative charged ion called?
- What type of mixture is salt water.
- The _____ is what you already know to make a guess/prediction about what will happen.
- What is the physical property that means the easiness to bend or shape?
- How many minutes do you wash your eyes for when you accidentally got chemical in your eyes?
- What is the change of state from gas to liquid called?
- True or false? Matter is anything that has capacity and volume.
- Which non-metal is the most reactive?
- What type of compound is carbon and oxygen?
- What are protons and neutrons in from an atom?
- Generally how many evidence do you look for to new there's a new substance formed?
- Valence shell is the _________ energy level.
31 Clues: What is the most reactive metal? • What type of mixture is salt water. • What is dihydrogen monoxide called? • What electric change are electrons? • Which non-metal is the most reactive? • Who first created the periodic table? • What is a negative charged ion called? • What group is Alkaline Earth Metals in? • What type of compound is carbon and oxygen? • ...
Chemistry 2021-10-18
Across
- Beryllium
- Mass divided by density
- mass- 9.0190
- part of the solution that gets dissolved
- Part of the solution that does the dissolving
- mass divided by volume
- on mass
- Density times volume
- number- the amount of protons in an atom
- rely on mass
- two or more atoms that are chemically combined
- mixture with no visible difference
- particle that has no charge
Down
- subatomic particle negatively charged
- protons and neutrons are found
- anything with mass and takes up space
- number protons, different number of neutrons
- electrons are found
- property- No chemical change(cutting food)
- mixture you can see a visible difference
- smallest particle of an element
- property- Chemical change(Mixing substances
- atoms bonded together
- Subatomic particle positively charged
24 Clues: on mass • Beryllium • mass- 9.0190 • rely on mass • electrons are found • Density times volume • atoms bonded together • mass divided by volume • Mass divided by density • particle that has no charge • protons and neutrons are found • smallest particle of an element • mixture with no visible difference • subatomic particle negatively charged • anything with mass and takes up space • ...
chemistry 2021-11-01
Across
- Most reactive non metals
- For explosive or reactivity hazards (2 words)
- Gas to liquide
- An explanation or conclusion for your observation
- Observations using our senses
- A mixture of different pure substances with only one phase
- Used to mesure volume(2 words)
- Are negatively charged
- A positively charged Ion
- Product can catch flame easily
- Solid to liquide
- Ability for one object to react with water
- Matter that contains 2 or more different pure substances
- The smallest particle of an element that gives the element it's properties
- Particles have strong attraction forces
Down
- Observations that involve measurement, numbers, or units
- Contains 2 or more elements in a fixed ratio
- A pure substance that can not be broken down into simpler substance
- solid to gas
- For corrosive damage to metals as well as skin, eyes
- Used for picking up objects too small to be easily handled with the human fingers.
- Measurement of how easy one liquide flows
- Attraction between different particles
- A particle that has a negative or positive charge
- contains protons and neutrons and is in the center of the atom
- Measurement of attraction between the same particle
- Taste
- Are positively charged
- Easiness to be stretched into a wire
- Easiness to be flatten
- A negatively charged Ion
- Has very big spaces between particles
- Smell
33 Clues: Taste • Smell • solid to gas • Gas to liquide • Solid to liquide • Are negatively charged • Are positively charged • Easiness to be flatten • Most reactive non metals • A positively charged Ion • A negatively charged Ion • Observations using our senses • Used to mesure volume(2 words) • Product can catch flame easily • Easiness to be stretched into a wire • ...
chemistry 2021-11-08
Across
- a method of seperating substances of various sizes using a sieve
- , molecules of compound can be broken down into their elements by a ___________________ only
- , exists as solid
- , contains penicillin and tetracylin
- , sodium,chloride
- , Mendeleev listed the ______ known elements and their properties on cards
- , they include harmful and toxic chemicals , suspended wastes and heavy metals .these make the soil unfit to grow crops and are very harmful to animals .
- , The number of protons in the nucleus of an atom
- atomic no of sulphur
- he is the symbol of ____
- , __ litre of water is used to produce one sheet of paper
- , when is world water day celebrated ?
- , _____ is a branch of science that deals with the study of composition properties and structure of substances .
- symbol of magnesium
- , a molecule of water can be broken down into hydrogen and oxygen by the process of electrolysis
- , the iron pillar of Qutub Minar is ______ and has not corroded because it is alloy made up of high quality of iron .
- , exists as liquid
- , carbon,oxygen
- , latin name of iron
Down
- , atomic number of oxygen
- , first synthetic fibre
- - also called semi-metals
- , a solution is formed when a solute is _______ in water
- , used to cutdown friction
- , core of the pencil is made up of a non toxic mineral called _____ .
- , latin name of potassium
- , water in rivers and oceans provides a surface for ________ and shipping
- - helium,neon,argon,krypton,redon,xenon
- , ___ is a complex substance made up of pigments, resins , dyes and other particulate material
- atomic number of neon
- , heavier solids settle down at the bottom when mixture is left undisturbed for a while .
- , expansion of matter
- - full form of PET
- , atomic number of sodium
- , solids cannot be ______ because their molecules are closely packed and have negligible intermolecular spaces
- process by which we seperate sand and water
- ,___ which has chemicals like magnesium , silicon and oxygen
- , symbol of iron
- , fibres made from from chemical polymers in a laboratory
- , atomic number of calcium
- , symbol of plumbum
- , smallest unit of matter
42 Clues: , symbol of iron • , exists as solid • - full form of PET • , exists as liquid • symbol of magnesium • , symbol of plumbum • atomic no of sulphur • , latin name of iron • atomic number of neon • , expansion of matter • , first synthetic fibre • he is the symbol of ____ • , atomic number of oxygen • - also called semi-metals • , latin name of potassium • , atomic number of sodium • ...
Chemistry 2023-02-24
Across
- able to pass heat or electricity through
- Property Describes and element. Can be observed without changing the element
- Ability to be dissolved in a liquid
- Ability to reflect light (shiny or dull)
- anything that has mass and volume
- The positive part of an atom.
- Electron Electrons in the outermost energy level
- Two or more different kinds of atoms. (2 or more elements)
- The amount of matter in a given amount of space
- A shiny, malleable, ductile, and conductive material on the left side of the periodic table.
- Property "Potential" to go through a chemical change. Can be seen in a chemical reaction.
- Has properties of both metals and nonmetals and is along the zig-zag line on the periodic table
- Ability to be set on fire
- A pure substance containing only one type of atom
- Formula Chemical symbols that represent a compound
- Displacement How to find the volume of irregular shaped objects using a volume of water in a graduated cylinder.
- Easily broken into small pieces
- Change Changes in the States of Matter. Change the phase or shape but not the substance.
Down
- The number of atom of an element in a chemical formula
- blocks heat or electricity from passing through
- Change Elements that combine for form a new substance
- Number of Molecules in a chemical formula.
- State of being thick, sticky, semi-fluid
- The part of an atom that does not have a charge
- Center of an atom with a positive charge
- How something interacts with something else
- Level The rings around the nucleus of an atom
- a group of atom chemically combine. (2 or more atoms)
- Goes Up and Down on the Periodic Table, Tells how reactive an element is and similar
- the amount of space an object takes up
- Determines whether something is an acid or a base.
- Ability to be pulled into wire
- A brittle, dull, and insulator material that is on the right side of the periodic table.
- Goes from Side to Side on the Periodic Table and tells the number of energy levels.
- to be flattened into sheets
- Number The number of protons in an atom
- of Matter Distinct form of matter such as solid, liquid, or gas.
- The negative part of an atom
- the amount of matter in an object
- Smallest unit of matter
40 Clues: Smallest unit of matter • Ability to be set on fire • to be flattened into sheets • The negative part of an atom • The positive part of an atom. • Ability to be pulled into wire • Easily broken into small pieces • anything that has mass and volume • the amount of matter in an object • Ability to be dissolved in a liquid • the amount of space an object takes up • ...
chemistry 2023-05-03
Across
- state of matter with a definite shape and volume
- electron is most likely to be found rings
- state of matter with no shape or volume
- number of protons
- anything that takes up space
- positively charged atoms
- neutral charged atom
- element that has the property of shiny luster, ductility, and malleability
- elements that make up group 17
Down
- able to be drawn into thin wires
- characteristics used to describe an object
- state of matter made up of electrical charged particles
- substance that cannot be broken
- state of matter with a definite volume but no definite shape
- smallest part of an element
- center or core of an atom
- negatively charged atoms
- total mass of protons and neutrons
- gasses elements that make up group 18
- able to be hammered into different shapes
20 Clues: number of protons • neutral charged atom • positively charged atoms • negatively charged atoms • center or core of an atom • smallest part of an element • anything that takes up space • elements that make up group 17 • substance that cannot be broken • able to be drawn into thin wires • total mass of protons and neutrons • gasses elements that make up group 18 • ...
CHEMISTRY 2023-05-21
Across
- a pure substance that forms when two or more elements join chemically in a fixed proportion.
- the basic building block of most of the matter around us.
- matter that has the same chemical composition throughout and cannot be separated into its parts by physical means.
- a process used to separate the parts of a mixture by particle size.
- the tendency of a substance to undergo chemical changes.
- matter made up of two or more substances that are not joined chemically.
- a code, usually made up of one or two letters, used to represent an element.
- a solid that forms during a chemical reaction that takes place in a solution.
- a mixture in which substances are evenly distributed.
- a vertical column in the periodic table.
- a measure of an atom's mass that is equal to the number of protons & neutrons in the atom's nucleus.
- a substance that is present at the beginning of a chemical reaction.
- a particle with no charge, found in the nucleus of an atom.
- a chart that organizes information about all the known elements according to their properties.
- a characteristic of a substance that cannot be observed without changing the identity of the substance.
- an element that does not conduct heat or electricity well and is dull and brittle.
- a group of two or more atoms held together by chemical bonds.
- a process by which elements and compounds combine to form new substances.
- a horizontal row in the periodic table.
- a method for separating solids from liquids in a solution.
- a description of a chemical reaction using chemical formulas, subscripts, and coefficients.
Down
- the scientific principle that matter is neither created nor destroyed during a chemical reaction.
- a number that tells how many atoms of each element are in a molecule.
- one of the basic substances that combine to form all other substances; a substance that cannot be broken down into simpler means.
- the center of an atom, containing protons and neutrons.
- a group of chemical symbols and numbers that shows the number of atoms of each element in a molecule.
- a negatively charged subatomic particle that is located outside the nucleus of an atom.
- a change that results in the formation of a new substance or substances.
- a change in a substance that does not change the chemical makeup of the substance.
- a mixture in which substances are not distributed evenly.
- a characteristic of a substance that can be observed directly or measured with a tool without changing the identity of the substance.
- a substance that is produced during a chemical reaction.
- the number of protons in the nucleus of an atom.
- a positively charged particle found in the nucleus of an atom.
- an element that has some properties of both metals and nonmetals.
- a number written before a chemical formula to show how many atoms or molecules of that substances are involved in a reaction.
- a method used to separate a dissolved solid from a liquid.
- an element that conducts heat & electricity well, is shiny, and can be hammered into sheets or drawn into wires.
38 Clues: a horizontal row in the periodic table. • a vertical column in the periodic table. • the number of protons in the nucleus of an atom. • a mixture in which substances are evenly distributed. • the center of an atom, containing protons and neutrons. • the tendency of a substance to undergo chemical changes. • a substance that is produced during a chemical reaction. • ...
Chemistry 2023-06-12
Across
- an extremely small amount of a thing or quality
- a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
- a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
- an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times
- a substance made by mixing other substances together
- a chemical element or substance required in trace amounts for the normal growth and development of living organisms.
- the strength and vitality required for sustained physical or mental activity
- a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- a dye obtained from certain lichens that is red under acid conditions and blue under alkaline conditions.
- its symbol in the periodic table is "Ti"
- the level of reactivity of a metal.
- a particular kind of matter with uniform properties
- the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
Down
- it contains an adequate amount of all the nutrients required by the body to grow, remain healthy and be disease-free.
- a colorless, odorless, highly flammable gas, the chemical element of atomic number 1
- its symbol in the periodic table is "k"
- is a process in which reactants react chemically and convert into products by chemical transformation
- its symbol in the periodic table is "Al"
- a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
- a substance that changes when it is combined with another substance in a chemical reaction
- a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
- is the spatial arrangement of atoms in a molecule
- its symbol in the periodic table is "s"
- a substance that can accept hydrogen ions in water and can neutralize an acid.
- is a dimensionless quantity representing the amount of matter in a particle or object.
26 Clues: the level of reactivity of a metal. • its symbol in the periodic table is "k" • its symbol in the periodic table is "s" • its symbol in the periodic table is "Al" • its symbol in the periodic table is "Ti" • an extremely small amount of a thing or quality • is the spatial arrangement of atoms in a molecule • a particular kind of matter with uniform properties • ...
Chemistry 2012-09-21
Across
- Energy in motion
- Direct movement
- bond Atoms that join because of polar charges
- Energy that is inactive or stored.
- The building block of an element
- The "matter" of all substances
- Molecules are broken down
- Combines to help repair tissue
- Have a positive charge
- That which dissolves
- Have a bitter taste
Down
- Extremely weak bond
- Number of electrons in outer shell
- Bonding or releasing
- Anything that takes up space and has mass
- Large and diverse group of organic compounds
- Simple sugars
- Atoms of the same element that have a different atomic number
- Massless, does not take up space
- The sum of all physical and chemical reactions that occur in the body
- Atoms with electrical "charges"
- Uncharged or neutral
- Number of electron shells
- Have a sour taste
- That which is dissolved
25 Clues: Simple sugars • Direct movement • Energy in motion • Have a sour taste • Extremely weak bond • Have a bitter taste • Bonding or releasing • Uncharged or neutral • That which dissolves • Have a positive charge • That which is dissolved • Molecules are broken down • Number of electron shells • The "matter" of all substances • Combines to help repair tissue • Atoms with electrical "charges" • ...
Chemistry 2012-11-03
Across
- chemical formulas that show the arrangements of atoms in molecules
- definite shape, definite volume
- principle that states electron enter orbitals of the lowest energy level first
- negatively charged atom
- starting substance in a chemical reaction is called
- used to write chemical formulas shorthanded
- the lowest energy level
- substance in the gaseous state, liquid or solid at room temperature
- compound of sodium and chlorine
- Atoms will lose, gain or share electrons to achieve the electron configuration of the nearest noble gas
- matter that has a uniform and definite composition
- deoxyribose nucleic acid
- consist of DNA
- the distance between the crests
Down
- attraction between atoms that allows the formation of chemical substances that contain two or more atoms
- amount of matter the object contains
- electrons in the highest occupied energy level
- reaction where one or more substance change into new substance
- anything that has mass or takes up shape
- the substance formed in a chemical reation is called
- indefinite shape, definite volume
- charged atoms
- the "electron shells" of an atom
- light quanta
- the number of wave cycles to pass a given point per unit of time
- the wave's height from the origin to the crest
- group 8 has 8 valence electron
- positively charged atom
- energy needed to move an electron from 1 energy level to a higher energy level
- indefinite shape, indefinite volume
30 Clues: light quanta • charged atoms • consist of DNA • negatively charged atom • the lowest energy level • positively charged atom • deoxyribose nucleic acid • group 8 has 8 valence electron • definite shape, definite volume • compound of sodium and chlorine • the distance between the crests • the "electron shells" of an atom • indefinite shape, definite volume • ...
Chemistry 2013-09-12
Across
- the gaseous state of a substance that is normally solid or liquid at room temperature
- 36
- 50
- oldest artificial sweetener. made by someone looking for more uses of coal tar
- a major export of Arkansas
- 95
- mixture that is not uniform in composition
- Au
- measure of space occupied by a sample of matter
- process that separates a solid from a liquid
- any part of a sample with uniform composition and properties
- burns with a white hot flame
- Rn
- pH higher than 7
- area of chemistry that focuses on processes inside organisms
- found in bananas
- amount of matter in an object
- alloys well with steel
- form of matter that has a fixed volume and mass
- pH lower than 7
- depends on amount of matter
- used for breathing, very flammable
- 6.02 times 10 to the 23rd power
- lightest element
- depends on type of matter
- Sb
- As
Down
- form of matter that has no definite shape, volume, and mass
- larger portion in a solution
- rusts easily
- 92
- smaller portion in a solution
- 59
- basis for computer industry
- has definite shape, volume, and mass
- C
- focuses on composition of matter
- process used to separate components using differences in boiling points
- mixture that is uniform in composition
- a physical blend of two or more substances
- study of substances not containing carbon
- matter that has a uniform and definite composition
- study of compounds containing carbon
- Es
- deals with mechanisms, rate, and energy transfer when matter undergoes a change
- a homogenous mixture
- has mass and takes up space
- makes table salt with chlorine
- white and chalky
- Co
- Ag
51 Clues: C • 92 • 36 • 50 • 59 • 95 • Au • Rn • Es • Co • Sb • As • Ag • rusts easily • pH lower than 7 • pH higher than 7 • found in bananas • lightest element • white and chalky • a homogenous mixture • alloys well with steel • depends on type of matter • a major export of Arkansas • basis for computer industry • has mass and takes up space • depends on amount of matter • larger portion in a solution • burns with a white hot flame • ...
Chemistry 2013-12-09
Across
- it is a nonmetal, its in group 2 with a valence electron of 5, and its atomic# is 7.
- an air like fluid substance which expands freely to fill any space available, irrespective of its quantity.
- concluded that atoms are hard, round, and solid balls.
- the amount of space that a substance or object occupies, or that is enclosed within a container
- a physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.
- the temperature at which a liquid turns into a solid when cooled.
- the kinetic theory of gases describes a gas as a large number of small particles, all of which are in constant, random motion.
- having a consistency like that of water or oil, flowing freely but of constant volume.
- a table of the chemical elements arranged in order of atomic number, usually in rows
- an ancient Greek philosopher who claimed that everything is made up of atoms.
- firm and stable in shape; not liquid or fluid.
- occupies space
Down
- who called the wave- mechanical model
- the quantity of a particular substance that can dissolve in a particular solvent
- change from one state (solid or liquid or gas) to another without a change in chemical composition.
- substances and mixtures which are in a single phase. This is in contrast to a substance that is heterogeneous.
- a variable whose variation does not depend on that of another.
- something that is constant and unchanged in an experiment.
- mixture is a material system made up of two or more different substances which are mixed but are not combined chemically.
- the temperature at which a liquid boils and turns to vapor.
- which is the correct value for the measurement based on reliable references.
- the atom by J. J. Thomson discovered the electron in
- a quantity that has both a number and a unit.
23 Clues: occupies space • who called the wave- mechanical model • a quantity that has both a number and a unit. • firm and stable in shape; not liquid or fluid. • the atom by J. J. Thomson discovered the electron in • concluded that atoms are hard, round, and solid balls. • something that is constant and unchanged in an experiment. • ...
