chemical reaction Crossword Puzzles

Types of reactions 2024-05-05

Types of reactions crossword puzzle
Across
  1. A chemical reaction where an element replaces another element in a compound, forming a new compound and a free element.
  2. A chemical process where two or more substances unite to form a single product.
  3. The breakdown of a compound into simpler substances due to the application of heat.
  4. A chemical reaction in which there is a transfer of electrons between reactants, resulting in changes in oxidation states.
Down
  1. A chemical reaction where an electric current breaks down a compound into its constituent elements or simpler compounds.
  2. The decomposition of a substance induced by light energy, resulting in the formation of simpler substances.
  3. A chemical reaction where the positive ions of two compounds exchange places, forming two new compounds.

7 Clues: A chemical process where two or more substances unite to form a single product. • The breakdown of a compound into simpler substances due to the application of heat. • A chemical reaction where the positive ions of two compounds exchange places, forming two new compounds. • ...

Chapter 7.2 Crossword Puzzle (Chemical Reactions) 2022-07-24

Chapter 7.2 Crossword Puzzle (Chemical Reactions) crossword puzzle
Across
  1. Paper is burnt with oxygen to form carbon dioxide gas and ash. The process is called __________.
  2. The process of applying a layer on oil to slow down rusting
  3. The process where iron reacts with water and air
  4. __________ is a chemical reaction that allows us to derive energy from food.
  5. By drying food under the sun, we remove _________ which reduces microbial activity
Down
  1. Tin ________ is used to prevent contact between steel and oxygen.
  2. All chemical reactions lead to new ___________ being formed.
  3. Wood, oil, petroleum gas are examples of ______ needed in combustion.
  4. _________ and moisture is needed for rusting to occur.
  5. Food decay is caused by _________.
  6. pH of food is ________ to slow down food decay.
  7. When food is left in the open for a period of time, this chemical reaction occurs.

12 Clues: Food decay is caused by _________. • pH of food is ________ to slow down food decay. • The process where iron reacts with water and air • _________ and moisture is needed for rusting to occur. • The process of applying a layer on oil to slow down rusting • All chemical reactions lead to new ___________ being formed. • ...

Photosynthesis Vocabulary Quiz Review 2021-11-16

Photosynthesis Vocabulary Quiz Review crossword puzzle
Across
  1. The first law of ___ states: Matter and energy cannot be created nor destroyed, it can only be converted from one form to another.
  2. Organisms that can make their own food
  3. A vein in the leaf that brings water up the plant.
  4. This is the membrane where the light dependent reaction takes place.
  5. Any substance that absorbs light is called?
  6. This kind of reaction releases energy during the reaction
  7. An electron carrying product of the light dependent reaction that will be used in the Calvin Cycle to produce glucose.
  8. These molecules are responsible for carrying high-energy electrons from chlorophyll to other molecules.
  9. These types of cells make up the primary photosynthetic layer of the leaf.
  10. This is the dense solution where the Calvin cycle takes place.
Down
  1. A cluster of chlorophyll or pigments are called this. They are the light collecting units of the chloroplast.
  2. These are the pores on the underside of the leaf that allows carbon dioxide in and oxygen out.
  3. Organisms that cannot make their own food
  4. A vein in the leaf that carries glucose out of the leaf.
  5. The basic energy source of all living cells and is a product of the light dependent reaction
  6. A waxy covering on the upper and lower surface of a leaf to help prevent water loss is called?
  7. The sum total of all the chemical reactions in cells, tissues or the entire body is called?
  8. The organelle inside plants where photosynthesis takes place.
  9. A waste product of the light dependent reaction
  10. This kind of reaction requires an input of energy

20 Clues: Organisms that can make their own food • Organisms that cannot make their own food • Any substance that absorbs light is called? • A waste product of the light dependent reaction • This kind of reaction requires an input of energy • A vein in the leaf that brings water up the plant. • A vein in the leaf that carries glucose out of the leaf. • ...

EVERSMANN's Cross word puzzle 2023-01-31

EVERSMANN's Cross word puzzle crossword puzzle
Across
  1. an important molecule that is present at the intersection of multiple biochemical pathways.
  2. is a type of energetic Reaction where energy is stored.
  3. occurs in the absence of oxygen.
  4. is a necessary function of everyday life and could not occur without atp.
  5. In aerobic respiration during glycolysis how many atp is produced.
  6. it transmits information from one neuron to the next.
  7. it is a form of extracellular paracrine signaling.
  8. is the synthesis of polymers from monomers.
  9. is the process of catabolizing glucose into Acetyl-CoA.
  10. is a simple sugar and carbohydrate.
  11. a positively charge particle equal and opposite to that of the electron.
  12. is the metabolic pathway that converts glucose into pyruvate.
  13. breaks down complex molecules and releases energy which is available to for the body to use.
  14. a subatomic particle with a negative one elementary electric charge.
  15. the source of energy for use and storage at cellular level.
  16. creates molecules the body needs for functionality and it uses energy in the process.
  17. is a chemical compound that is used to make one of the building blocks of RNA and DNA.
  18. is a metabolic process that produces chemical changes in organic substrates through the action of enzymes.
  19. carries signal that relax your bodys system.
  20. are the smaller units from which larger molecules are made.
Down
  1. is the second major step in oxidative phosphorylatioit transmits information from one neuron to the next.
  2. it is the structure of atp.
  3. Is a chemical process of decomposition involving the splitting of a bond by the addition of the water.
  4. occurs in the presence of oxygen.
  5. the process of moving ions  the other side of a biological membrane.
  6. In aerobic respiration during glycolysis, TCA and ECT stage, how many atp is produced?
  7. it transmits information from one neuron to the next.
  8. it is a form of cell signaling in which a cell produces a signal to induce changes in nearby cells.
  9. molecules made from a large number of monomers joined together.
  10. the production of chemical compounds by reaction from simpler materials.
  11. is energy demanding process at synapsis by which a chemical signal is released from one neuron and diffuses to other neurons where it generates signal which exits inhibits.
  12. It is the cycle of chemical reactions where the carbon from the carbon cycle is fixed into sugars.
  13. is made up of many connected glucose molecules.
  14. How many atp is produced during the ect stage?
  15. reaction yielding ATP through the catabolism of ketone bodies.

35 Clues: it is the structure of atp. • occurs in the absence of oxygen. • occurs in the presence of oxygen. • is a simple sugar and carbohydrate. • is the synthesis of polymers from monomers. • carries signal that relax your bodys system. • How many atp is produced during the ect stage? • is made up of many connected glucose molecules. • ...

The Matter and Energy Crossword 2024-12-19

The Matter and Energy Crossword crossword puzzle
Across
  1. This type of phase change goes from a solid to a gas.
  2. This type of phase change goes from a gas to a solid.
  3. If a substance can't be broken down by chemical changes, and is already in its simplest form of a matter, what is it?
  4. If something has and occupies space and volume, what is it?
  5. This type of reaction releases heat energy and feels hot.
  6. Heat of “blank” is the amount of heat energy needed to go from a liquid, to a gas. Fill in the blank.
  7. This type of separation is based on size and the polarity(or charge)
  8. This type of mixture has different compositions that can visibly see different parts within the mixture.
  9. Heat of "blank" is the amount of heat energy needed to go from a solid, to a liquid. Fill in the blank.
  10. "Blank" properties is a type of property that does not depend on size. Fill in the blank.
  11. When an element is combined, it is combined into "blank" propositions, fill in the blank.
  12. This is the measurement of the amount of heat released or absorbed during a chemical reaction.
Down
  1. This type of separation is based on boiling points.
  2. If matter has the same properties or characteristics would be considered an?
  3. This is a type of separation of a mixture technique which involves operation based on size and solubility.
  4. Compounds can be decomposed into blank substances, fill in the blank.
  5. This type of mixture has the same, uniform composition throughout with no visible parts.
  6. "Blank" properties depend on the size of the sample, like How much of a sample. Fill in the blank.
  7. This type of reaction absorbs energy and feels cold.
  8. If something is made up of 2 or more different elements that are chemically combined together, what is it?
  9. An blank, is a compound made up of more than two different chemical components, but are physically combined, not chemically combined. Fill in the blank
  10. This type of energy is stored energy.
  11. This type of property can be observed without changing the chemical makeup of the substance.
  12. This type of property describes a chemical change, and it also is a permanent change. What is it?
  13. "Blank" is the result of a force acting on a body and producing motion. Fill in the blank.
  14. This type of energy is energy of motion.

26 Clues: This type of energy is stored energy. • This type of energy is energy of motion. • This type of separation is based on boiling points. • This type of reaction absorbs energy and feels cold. • This type of phase change goes from a solid to a gas. • This type of phase change goes from a gas to a solid. • This type of reaction releases heat energy and feels hot. • ...

chem 2019-05-28

chem crossword puzzle
Across
  1. reactions that absorb heat are called?
  2. curve/ usually involves a system in a closed container in order to isolate it from its environment and observe how it changes as it is influenced by the heat.
  3. if a reaction is reversed the delta h for the reaction must be changes to the _____ sign
  4. is the study of heat changes during chemical and physical changes
  5. a reaction that gives off heat?
Down
  1. is equal to one joule 4.814
  2. heat/ of a substance tell how much energy is needed temperature of a gram of that substance by 1 c?
  3. is the type of energy that always flows from warmer objects to cooler ones
  4. the science or act of measuring changes in state variables of a body for the purpose of deriving the heat transfer associated with changes of its state
  5. law/ says delta H the reactions are additives
  6. energy used or produced during a chemical reaction is called?

11 Clues: is equal to one joule 4.814 • a reaction that gives off heat? • reactions that absorb heat are called? • law/ says delta H the reactions are additives • energy used or produced during a chemical reaction is called? • is the study of heat changes during chemical and physical changes • is the type of energy that always flows from warmer objects to cooler ones • ...

Taylen Clayton 2016-12-08

Taylen Clayton crossword puzzle
Across
  1. A nucleotide composed of adenosine
  2. a green pigment
  3. The breakdown of glucose
  4. relateing to or involving
  5. A organism that is able to form nutrition
  6. complexng a organic substances
  7. requiring oxygen
  8. a organelle found in large cell numbers
  9. a number of flattened sacs in cloroplast
Down
  1. green plants and organisms sharng sunlight
  2. a green plant cell
  3. a clorless syrupy organic acid
  4. adenosine triphosphate
  5. the sopportive tissue of an epithelial organ
  6. a reaction in the living organism
  7. the set of a chemical reaction

16 Clues: a green pigment • requiring oxygen • a green plant cell • adenosine triphosphate • The breakdown of glucose • relateing to or involving • a clorless syrupy organic acid • complexng a organic substances • the set of a chemical reaction • a reaction in the living organism • A nucleotide composed of adenosine • a organelle found in large cell numbers • ...

Science and Ice Cream 2023-05-28

Science and Ice Cream crossword puzzle
Across
  1. The temperature where a solid turns into a liquid (2 words, no space)
  2. A liquid turning into a solid
  3. When a reaction feels hot
Down
  1. The temperature where a liquid turns into a solid (2 words, no space)
  2. The transfer of energy
  3. When a reaction feels cold
  4. A solid turning into a liquid
  5. The chemical formula of salt
  6. The chemical formula of water

9 Clues: The transfer of energy • When a reaction feels hot • When a reaction feels cold • The chemical formula of salt • A solid turning into a liquid • A liquid turning into a solid • The chemical formula of water • The temperature where a liquid turns into a solid (2 words, no space) • The temperature where a solid turns into a liquid (2 words, no space)

Chem Crossword PUzzle 2023-03-27

Chem Crossword PUzzle crossword puzzle
Across
  1. formula for new compounds
  2. homogeneous mixture
  3. chemical doing the dissolving
  4. fire
  5. liquid to gas
  6. when dissolved, properties sometimes change
  7. moles of solute/liters of solution
  8. liquid to solid
  9. chemicals that react with each other
  10. amount of substance in a space for mixture
Down
  1. solid to gas
  2. gas to solid
  3. chemicals produced from a reaction
  4. reactant that are left over
  5. how much product was actually produced irl in exp.
  6. a specific counting number
  7. sometimes reactions do not go to completion
  8. solid to liquid
  9. chemical being dissolved
  10. sometimes, the reactants do not get fully used up

20 Clues: fire • solid to gas • gas to solid • liquid to gas • solid to liquid • liquid to solid • homogeneous mixture • chemical being dissolved • formula for new compounds • a specific counting number • reactant that are left over • chemical doing the dissolving • chemicals produced from a reaction • moles of solute/liters of solution • chemicals that react with each other • ...

Biochemistry Puzzle Biology CP2 2021-02-10

Biochemistry Puzzle Biology CP2 crossword puzzle
Across
  1. example of nucleic acid
  2. what the enzyme works on
  3. this along with fatty acids make up lipids
  4. this is a function of nucleic acids
  5. provided quick energy
  6. monomer is nucleotide
  7. example of protein
  8. monomer for proteins
  9. key element found in all proteins
  10. key element with symbol C
  11. used for transport
Down
  1. the end result of a reaction
  2. monomer for carbohydrates
  3. pH and temperature need to be this for an enzyme to work
  4. this is an example of a lipid
  5. example of carbohydrate
  6. what an enzyme lowers
  7. component of cell membranes
  8. where the enzyme meets the substrate
  9. speeds up a chemical reaction

20 Clues: example of protein • used for transport • monomer for proteins • what an enzyme lowers • provided quick energy • monomer is nucleotide • example of nucleic acid • example of carbohydrate • what the enzyme works on • monomer for carbohydrates • key element with symbol C • component of cell membranes • the end result of a reaction • this is an example of a lipid • ...

chemistry 2014-06-16

chemistry crossword puzzle
Across
  1. Horizontal column in periodic table
  2. involving absorption of energy
  3. reaction in which reactants combine
  4. symbol symbol used to represent elements
  5. containing two or more atoms
  6. bond in which electrons are shared
  7. bond in which electrons are gained or lost
  8. Something in which the solute is dissolved
  9. number of protons
  10. positive mass in an atom
  11. Components physically combined
Down
  1. contains protons, electrons and neutrons
  2. involving releasing of energy
  3. reaction in which reactant separates
  4. very reactive gases
  5. molecule containing two atoms
  6. vertical column in periodic table
  7. pure substance that cannot be broken down.
  8. Something dissolved in solvent
  9. atom in which there is a charge

20 Clues: number of protons • very reactive gases • positive mass in an atom • containing two or more atoms • involving releasing of energy • molecule containing two atoms • involving absorption of energy • Something dissolved in solvent • Components physically combined • atom in which there is a charge • vertical column in periodic table • bond in which electrons are shared • ...

Crossword 2024-09-17

Crossword crossword puzzle
Across
  1. สารที่ใช้สำหรับทำความสะอาด ประกอบด้วยเกลือของกรดไขมัน
  2. สารที่สามารถรับไฮโดรเจนไอออนหรือปล่อยไฮดรอกไซด์ไอออนในสารละลาย
  3. สารประกอบเคมีที่ประกอบด้วยธาตุไฮโดรเจนและคาร์บอนเท่านั้น เช่น มีเทน
  4. สารที่เกิดขึ้นจากปฏิกิริยาเคมี
  5. reaction กระบวนการที่สารตั้งต้นเปลี่ยนไปเป็นผลิตภัณฑ์ใหม่
  6. ปฏิกิริยาระหว่างกรดกับเบสที่ทำให้เกิดเกลือและน้ำ
  7. decay กระบวนการที่ธาตุกัมมันตรังสีสลายตัวไปเป็นธาตุใหม่และปล่อยรังสี
  8. ปฏิกิริยาที่สารรวมตัวกับออกซิเจนและปล่อยพลังงานออกมาในรูปของความร้อนและแสง
  9. acid กรดที่เกิดจากไขมัน ประกอบด้วยหมู่กรดคาร์บอกซิลิกและสายคาร์บอน
  10. สารที่ช่วยลดการเกิดปฏิกิริยาออกซิเดชันในร่างกาย ซึ่งอาจทำลายเซลล์
  11. การแยกนิวเคลียสอะตอมออกเป็นสองส่วนและปลดปล่อยพลังงาน
  12. สารที่เข้าร่วมในปฏิกิริยาเคมี
  13. อะตอมของธาตุเดียวกันที่มีจำนวนโปรตอนเท่ากัน แต่จำนวนนิวตรอนต่างกัน
  14. acid หน่วยโครงสร้างพื้นฐานของโปรตีน ประกอบด้วยหมู่อะมิโน และหมู่กรดคาร์บอกซิลิก
  15. สถานะที่ปฏิกิริยาไปข้างหน้าและย้อนกลับเกิดขึ้นพร้อมกันในอัตราเท่ากัน
  16. สารอาหารประเภทน้ำตาลและแป้ง เป็นแหล่งพลังงานหลักของร่างกาย
  17. ปฏิกิริยาที่สารสองหรือมากกว่ามารวมกันเป็นสารประกอบใหม่
  18. การสูญเสียอิเล็กตรอนหรือการรวมตัวกับออกซิเจนในปฏิกิริยาเคมี
Down
  1. กระบวนการที่อะตอมหรือโมเลกุลเปลี่ยนไปเป็นไอออนโดยการเพิ่มหรือลดอิเล็กตรอน
  2. สารประกอบเคมีที่มีหมู่ไฮดรอกซิล เช่น เอทานอล
  3. สารที่มีรสเปรี้ยว สามารถปล่อยไฮโดรเจนไอออนในสารละลาย
  4. การได้รับอิเล็กตรอนหรือการลดออกซิเจนในปฏิกิริยาเคมี
  5. ปฏิกิริยาที่สารประกอบแตกตัวเป็นสารใหม่ที่ง่ายกว่า
  6. เบสที่สามารถละลายในน้ำได้ เช่น โซเดียมไฮดรอกไซด์
  7. ค่าแสดงความเป็นกรด-เบสในสารละลาย มีค่าตั้งแต่ 0-14 โดยค่าต่ำกว่า 7 แสดงว่าเป็นกรด และสูงกว่า 7 เป็นเบส
  8. สารประกอบที่เกิดจากการรวมกันของกรดกับแอลกอฮอล์ มีกลิ่นหอม ใช้ในอุตสาหกรรมเครื่องหอมและสารแต่งกลิ่น
  9. สารประกอบที่เกิดจากการเชื่อมต่อของโมเลกุลเล็กๆ ซ้ำๆ กัน เช่น พลาสติก
  10. กระบวนการแยกสารประกอบด้วยกระแสไฟฟ้า
  11. พอลิเมอร์ชนิดหนึ่งที่มีลักษณะยืดหยุ่น สามารถหล่อเป็นรูปร่างต่างๆ ได้
  12. สารประกอบที่เกิดจากปฏิกิริยาระหว่างกรดและเบส เช่น เกลือแกง
  13. สารที่เพิ่มความเร็วของปฏิกิริยาเคมีโดยไม่ถูกเปลี่ยนแปลงในกระบวนการ
  14. โปรตีนที่ทำหน้าที่เร่งปฏิกิริยาเคมีในสิ่งมีชีวิต
  15. สารอาหารที่ร่างกายต้องการในปริมาณน้อย เพื่อช่วยในการทำงานของระบบต่างๆ ในร่างกาย
  16. สารที่ใช้ทำความสะอาด เช่น น้ำยาล้างจานและผงซักฟอก
  17. สารที่แยกตัวออกมาในรูปของแข็งจากสารละลาย
  18. เวลาที่ใช้ให้ธาตุกัมมันตรังสีลดลงครึ่งหนึ่งจากปริมาณเริ่มต้น
  19. กระบวนการรวมตัวของนิวเคลียสอะตอมเพื่อเกิดเป็นอะตอมใหม่และปลดปล่อยพลังงาน
  20. น้ำตาลชนิดหนึ่งที่เป็นแหล่งพลังงานหลักของร่างกาย
  21. สารอาหารสำคัญที่สร้างจากกรดอะมิโน ช่วยในการซ่อมแซมและสร้างเนื้อเยื่อในร่างกาย
  22. reaction ปฏิกิริยาที่เกิดขึ้นพร้อมกันทั้งการออกซิเดชันและการรีดักชัน

40 Clues: สารที่เข้าร่วมในปฏิกิริยาเคมี • สารที่เกิดขึ้นจากปฏิกิริยาเคมี • กระบวนการแยกสารประกอบด้วยกระแสไฟฟ้า • สารที่แยกตัวออกมาในรูปของแข็งจากสารละลาย • สารประกอบเคมีที่มีหมู่ไฮดรอกซิล เช่น เอทานอล • เบสที่สามารถละลายในน้ำได้ เช่น โซเดียมไฮดรอกไซด์ • ปฏิกิริยาระหว่างกรดกับเบสที่ทำให้เกิดเกลือและน้ำ • โปรตีนที่ทำหน้าที่เร่งปฏิกิริยาเคมีในสิ่งมีชีวิต • ...

Unit 2 2026-03-26

Unit 2 crossword puzzle
Across
  1. combined molecules
  2. water fearing
  3. only allows certain molecules in or out of a cell
  4. the outcome of a chemical reaction
  5. combined cells
  6. molecules moving from high concentrated areas to low concentrated areas
  7. protein
  8. diffusion that includes water
  9. movement from down to up
  10. combined organ systems
  11. combined atoms
  12. combined organelles
Down
  1. special region on an enzyme
  2. made up of organs
  3. energy required to activate a reaction
  4. moving molecules across the membrane with no ATP
  5. connects with the enzyme
  6. water loving
  7. enzyme can not be binded to a substrate
  8. Smallest unit of matter
  9. one hydrophilic head and two hydrophobic tails in the cell membrane
  10. combined tissue

22 Clues: protein • water loving • water fearing • combined cells • combined atoms • combined tissue • made up of organs • combined molecules • combined organelles • combined organ systems • Smallest unit of matter • connects with the enzyme • movement from down to up • special region on an enzyme • diffusion that includes water • the outcome of a chemical reaction • energy required to activate a reaction • ...

150 2025-11-14

150 crossword puzzle
Across
  1. Repeating pattern in table
  2. Having high pH
  3. Process of chemical change
  4. Compound with oxygen
  5. Shows reactants and products
  6. Having low pH
  7. Compound with NO₃ group
  8. Represents an element
  9. Represents a compound
  10. Alloy of copper and zinc
  11. Make neither acidic nor basic
  12. Product of acid-base reaction
Down
  1. Can be hammered into sheets
  2. Compound with OH group
  3. Can be drawn into wires
  4. Characteristic of matter
  5. Compound with CO₃ group
  6. Transfers heat or electricity
  7. Resists electricity or heat
  8. Group of inert gases
  9. Established scientific rule
  10. Compound with sulfur
  11. Alloy of copper and tin
  12. Alloy of iron and carbon
  13. Mixture of metals

25 Clues: Having low pH • Having high pH • Mixture of metals • Compound with oxygen • Group of inert gases • Compound with sulfur • Represents an element • Represents a compound • Compound with OH group • Can be drawn into wires • Compound with CO₃ group • Compound with NO₃ group • Alloy of copper and tin • Characteristic of matter • Alloy of copper and zinc • Alloy of iron and carbon • ...

Chapter 6 Biology Vocabulary 2023-12-08

Chapter 6 Biology Vocabulary crossword puzzle
Across
  1. the area of an enzyme where the substrate attached
  2. the amount of energy required to begin a reaction
  3. valence electrons are shared
  4. tells how much radiation an isotope is giving off
  5. a reaction that retains heat
  6. the starting elements left of the arrow
  7. neutral, used to calculate atomic mass
  8. vertical rows of the periodic table
  9. pure substance that cannot be broken down
  10. atoms with full valence electrons
  11. a certain type of atom
  12. when the nucleus breaks apart and radiation is emitted
  13. two or more elements combine to form something new
  14. The study of atoms
  15. building blocks of matter
  16. a biological catalyst
Down
  1. polar molecules combine to form hydrogen bonds
  2. a reaction that gives off heat
  3. the reactants that bind to the enzyme
  4. negatively charged, orbit the nucleus
  5. horizontal rows of the periodic table
  6. a substance that lowers the activation energy required to start a reaction
  7. the sum of protons and neutrons in an atom
  8. atoms with a different number of neutrons
  9. a charged particle
  10. the giving and taking of electrons to form a bond
  11. the result of a chemical reaction, right side of the arrow
  12. positively charged, equal the atomic number
  13. compound held together with a covalent bond

29 Clues: a charged particle • The study of atoms • a biological catalyst • a certain type of atom • building blocks of matter • valence electrons are shared • a reaction that retains heat • a reaction that gives off heat • atoms with full valence electrons • vertical rows of the periodic table • the reactants that bind to the enzyme • negatively charged, orbit the nucleus • ...

3rd MP Quarterly Review - Jauylin Awad & Ja'Niya Coleman 2022-03-21

3rd MP Quarterly Review - Jauylin Awad & Ja'Niya Coleman crossword puzzle
Across
  1. substances on the 1-6 on the pH scale are considered this
  2. the ability of a substance to dissolve at a certain temperature
  3. two or more elements chemically combined
  4. a pure substance
Down
  1. the result of a chemical reaction
  2. two substances combined but keeps their property
  3. the
  4. a mixture of metals that are dissolved into each other
  5. the ingredients to a chemical reaction

9 Clues: the • a pure substance • the result of a chemical reaction • the ingredients to a chemical reaction • two or more elements chemically combined • two substances combined but keeps their property • a mixture of metals that are dissolved into each other • substances on the 1-6 on the pH scale are considered this • ...

Combustion 2021-05-13

Combustion crossword puzzle
Across
  1. A compound consisting of oxygen and one other element
  2. Another name for combustion
  3. A reaction which releases heat
  4. C6H12O6+ xO2-> 6CO2 + 6H2O What is the value of x?
Down
  1. Combustion is an example of...
  2. Produced from the oxidation of iron
  3. Is combustion a physical or chemical reaction
  4. true or false batteries are also oxidation reactions
  5. An element common in all combustion reactions

9 Clues: Another name for combustion • Combustion is an example of... • A reaction which releases heat • Produced from the oxidation of iron • Is combustion a physical or chemical reaction • An element common in all combustion reactions • C6H12O6+ xO2-> 6CO2 + 6H2O What is the value of x? • true or false batteries are also oxidation reactions • ...

Chemical Kinetics and Photochemistry 2018-11-23

Chemical Kinetics and Photochemistry crossword puzzle
Across
  1. The activated complex should have the ---------------- energy
  2. Condon The principle which explains the interaction between electronic and vibrational energy levels.
  3. He had proposed the theory of uni-molecular reaction
  4. Energy The collisions between colloidal particles & solvent molecules results in transfer of -------------- to colloidal particles
  5. The arsenic sulphide sol is a negative sol, which is due to ------------ adsorption of sulphide ions
  6. coordinate It is a measure of the progress of a reaction
  7. energy The micelle formation explains the reduction in ------------- of the solution
  8. The technique which allows the movement of colloidal particles but not the medium
  9. Energy The difference between threshold energy and energy actually possessed by molecules
  10. In an emulsion an increase in viscosity of the continuous phase reduces the frequency of collision of the ----------.
Down
  1. Order In a bi-molecular surface reaction, when any one the molecules is adsorbed weakly, the overall rate of the reaction is -----
  2. conversion Upon collision with solvent molecules, the excited molecule may pass into a lower electronic state.
  3. Collisions between molecules in condensed phase (liquid)
  4. order The reaction in which the reaction rate is not affected by changes in concentrations of one or more reactants.
  5. The chemical which reduces the surface energy of the material
  6. equation It explains the polar and resonance effects of the substituents on aromatic system
  7. The technique which allows the movement of the medium but not the colloidal particles
  8. An intense absorption band is associated with an electronic transition of high --------------
  9. Sum of the powers to which the concentration terms are raised is referred as ----------- of the reaction
  10. conversion The process in which the electronic energy is converted into vibrational energy of the molecule
  11. The material which reduces the activation energy of the reaction
  12. life Time required for the reaction to be half completed
  13. area The catalyst should have higher ---------
  14. Ball Collision theory of bi-molecular gaseous reaction assumes the gaseous molecules are like --------
  15. The phosphorescence is due to --------------- of singlet and triplet states

25 Clues: area The catalyst should have higher --------- • He had proposed the theory of uni-molecular reaction • Collisions between molecules in condensed phase (liquid) • coordinate It is a measure of the progress of a reaction • life Time required for the reaction to be half completed • The chemical which reduces the surface energy of the material • ...

Chemical Reactions 2022-03-29

Chemical Reactions crossword puzzle
Across
  1. Something that is made up of the same atoms
  2. Tiny pieces that all matter is made up of
  3. Temperature at which a solid will turn to liquid
  4. Object, diagram, or computer program that can help us understand something
  5. Ending substance in a chemical reaction
  6. The relative size of things
Down
  1. Starting substance in a chemical reaction
  2. Temperature at which liquid will turn to gas
  3. Process in which atoms rearrange to make something new
  4. Something that can be observed
  5. to change the order or position of something

11 Clues: The relative size of things • Something that can be observed • Ending substance in a chemical reaction • Starting substance in a chemical reaction • Tiny pieces that all matter is made up of • Something that is made up of the same atoms • Temperature at which liquid will turn to gas • to change the order or position of something • ...

Criss-Cross Applesauce 2017-10-30

Criss-Cross Applesauce crossword puzzle
Across
  1. Pigments located in the Thylakoid.
  2. The 1st step of both cellular respiration and photosynthesis . Glucose is involved.
  3. needs direct light to funcion,.
  4. process that uses light to change water and carbon dioxide to sugar and oxygen.
  5. The special carrier for the electrons produced by chlorophyll.
  6. Puzzle piece to the enzymes aka the reactant.
  7. The protein catalyst that speeds up chemical reactions.
Down
  1. Where photosynthesis takes place.
  2. needs ATP and NADPH to function ,also lnown as Dark Reactions.
  3. Speeds up a chemical reaction at Sonic speed.
  4. Elements or compounds produced by a reaction.

11 Clues: Where photosynthesis takes place. • needs direct light to funcion,. • Pigments located in the Thylakoid. • Speeds up a chemical reaction at Sonic speed. • Elements or compounds produced by a reaction. • Puzzle piece to the enzymes aka the reactant. • The protein catalyst that speeds up chemical reactions. • ...

Phytochemicals and Antioxidants 2016-06-07

Phytochemicals and Antioxidants crossword puzzle
Across
  1. spontaneous new tissue growth with no physiological purpose
  2. process of gaining an electron during a chemical reaction
  3. substance that can repair oxidative damage
  4. round fruit with a peel and good amounts of vitamin C
  5. unstable atom with unpaired electron in its outer shell
  6. red juicy vegetable rich in vitamin C
Down
  1. foods that have health benefits beyond basic nutrition
  2. process of losing an electron during a chemical reaction
  3. noncancerous tumor that does not spread
  4. vitamin C deficiency
  5. 2 to 10 times human needs of a nutrient

11 Clues: vitamin C deficiency • red juicy vegetable rich in vitamin C • noncancerous tumor that does not spread • 2 to 10 times human needs of a nutrient • substance that can repair oxidative damage • round fruit with a peel and good amounts of vitamin C • foods that have health benefits beyond basic nutrition • unstable atom with unpaired electron in its outer shell • ...

Science: Matter and Chemical Change 2014-11-10

Science: Matter and Chemical Change crossword puzzle
Across
  1. supported the idea that everything was made up of the 4 elements
  2. stated each type of material was made up of a different type of atomos
  3. represents the number of atoms
  4. a pure substance that cannot be broken down into other substances
  5. the 18 columns on the Periodic Table of Elements
  6. Workplace Hazardous Material Information System
  7. a chemical reaction that takes place in the cells of your body
  8. ______ systems is an experiment in which reactants and products can not escape
  9. occurs when oxygen reacts to another substance to form a new substance and releases energy
  10. experimented with the behaviour of gases
  11. most reactive of the metals
  12. substances that helps reaction proceed faster
  13. the rows in the Periodic Table of Elements
Down
  1. substance that strongly resists the flow of electricity
  2. characteristics that can be used to describe a substance
  3. the mass of one of an element
  4. compound formed when 2 non-metals combine
  5. has the element symbol Br
  6. the Law of ________ of Mass
  7. an atom or group of atoms that become electrically charges because it has lost or gained electrons
  8. neutral particles
  9. occurs when oxygen reacts with metal, a chemical reaction in which the metal is decomposed
  10. positively charged particles
  11. organic catalysts
  12. Father of Modern Chemistry
  13. published by Andreas Libau in 1597, it describes the achievements of alchemists

26 Clues: neutral particles • organic catalysts • has the element symbol Br • Father of Modern Chemistry • the Law of ________ of Mass • most reactive of the metals • positively charged particles • the mass of one of an element • represents the number of atoms • experimented with the behaviour of gases • compound formed when 2 non-metals combine • the rows in the Periodic Table of Elements • ...

Science 2023-12-06

Science crossword puzzle
Across
  1. if someone is pushing a table with 80 N and the table is only pushing back with 20 N, the forces are...
  2. The small numbers are called...
  3. Every letter in a molecule is a...
  4. they go up and down on the periodic table
  5. 2 things that can form in a chemical reaction are gas and...
  6. have a negative charge
  7. have a neutral charge
  8. what type of line shows acceleration in a speed and time graph
  9. the x-axis on a speed and time graph
  10. if someone is pushing right with 15 N and someone is pushing Left with 15 N their forces are...
Down
  1. speed with a direction
  2. one of the things needed to calculate speed
  3. they go left to right on the periodic table
  4. What type of line shows a constant speed in a speed and time graph
  5. measured in km/h and mph among others
  6. have a positive charge
  7. The # of law that states for every action there is an equal and opposite reaction
  8. The evidenced of a chemical reaction are color,temperature or heat change and production of gas and precipitate and...
  9. measured in things like meters, miles and kilometers
  10. if there is a big 2 at the beginning of the compound then there are 2...
  11. The # of law that states an object in motion stays in motion unless acted upon by an unbalanced force

21 Clues: have a neutral charge • speed with a direction • have a positive charge • have a negative charge • The small numbers are called... • Every letter in a molecule is a... • the x-axis on a speed and time graph • measured in km/h and mph among others • they go up and down on the periodic table • one of the things needed to calculate speed • ...

Chemical bondings 2022-11-05

Chemical bondings crossword puzzle
Across
  1. Force that results when electrons are freely moving in its place
  2. said to be smallest particle of an element and its neutral
  3. compounds results from reaction between metal and halogen
  4. Force that exist among nonmetals
  5. hey can gain three electrons to form fairly unstable ions with a three minus charge
  6. about 1.2 percent of human body, Commercially, this element is important for fertilizer and energy carrying molecules formation
  7. formed by most metals during chemical reaction
  8. 3 dimensional shape of a compounds where its atoms arranged in a 3 dimensions
  9. Diagram that represent the outermost energy level electrons
  10. This group is the first one to consist of entirely non-metals
  11. Number of electrons lost , or gained or even shared in outermost energy level
  12. forms four covalent bonds in compounds rather than form monatomic ions.
Down
  1. Transition metal that used in computer ships manufacturing
  2. Force due to losing or gaining electrons
  3. Trivalent atom that do not rust
  4. This group has six valence electrons
  5. Formed by non metals during chemical reaction
  6. Dense mass in an atom where weight found
  7. is by far the most abundant element in the earth's crust (49.5 percent), and is present in almost everything.
  8. the second most abundant element in the earth's crust (25.7 percent)
  9. In general very unreactive chemically since it is difficult to add or remove electrons.
  10. Charged atom
  11. comprises about 3 percent of the weight of the human body and used as fertilizers

23 Clues: Charged atom • Trivalent atom that do not rust • Force that exist among nonmetals • This group has six valence electrons • Force due to losing or gaining electrons • Dense mass in an atom where weight found • Formed by non metals during chemical reaction • formed by most metals during chemical reaction • compounds results from reaction between metal and halogen • ...

macromoleecules 2023-08-16

macromoleecules crossword puzzle
Across
  1. means something really full and are full of hydrogen which gets hard in room temperature.
  2. big bundles of sugar bricks linked together and are served as energy storage.
  3. what you get after the substrate inters the active site in an enzyme.
  4. building blocks of protein.
  5. they build DNA and RNA.
  6. are like an ingredient that enzymes works/use to produce new product.
  7. when a reaction absorbs heat from its surroundings.
  8. sweet molecule that organisms/living things use for quick energy.
  9. like nature's information carriers. Transmits genetic information and telling cells how to build and operate.
  10. workers that make chemical reactions go faster in our bodies.
  11. important part of carbohydrates and made up of sugar pieces that are used as quick energy.
Down
  1. when a reaction gives off heat from its surroundings.
  2. the bodies source of energy.
  3. are made up of amino acids and help muscles move.
  4. small pieces of fat that gives us energy and helps our cells to stay healthy.
  5. a pair of sugar molecules together.
  6. means something not completely full. Isn't full of hydrogen which makes it liquid in room temperature.
  7. like the bodies reserves, keep us warm, store energy, and makes sure our cells are properly working.
  8. molecule that is like a backbone of fats and helps store energy.
  9. the minimum amount of energy required for a chemical reaction.

20 Clues: they build DNA and RNA. • building blocks of protein. • the bodies source of energy. • a pair of sugar molecules together. • are made up of amino acids and help muscles move. • when a reaction absorbs heat from its surroundings. • when a reaction gives off heat from its surroundings. • workers that make chemical reactions go faster in our bodies. • ...

macromoleecules 2023-08-16

macromoleecules crossword puzzle
Across
  1. big bundles of sugar bricks linked together and are served as energy storage.
  2. building blocks of protein.
  3. the bodies source of energy.
  4. when a reaction absorbs heat from its surroundings.
  5. when a reaction gives off heat from its surroundings.
  6. like nature's information carriers. Transmits genetic information and telling cells how to build and operate.
  7. the minimum amount of energy required for a chemical reaction.
  8. molecule that is like a backbone of fats and helps store energy.
  9. what you get after the substrate inters the active site in an enzyme.
  10. sweet molecule that organisms/living things use for quick energy.
  11. means something not completely full. Isn't full of hydrogen which makes it liquid in room temperature.
Down
  1. are made up of amino acids and help muscles move.
  2. a pair of sugar molecules together.
  3. they build DNA and RNA.
  4. workers that make chemical reactions go faster in our bodies.
  5. important part of carbohydrates and made up of sugar pieces that are used as quick energy.
  6. are like an ingredient that enzymes works/use to produce new product.
  7. like the bodies reserves, keep us warm, store energy, and makes sure our cells are properly working.
  8. small pieces of fat that gives us energy and helps our cells to stay healthy.
  9. means something really full and are full of hydrogen which gets hard in room temperature.

20 Clues: they build DNA and RNA. • building blocks of protein. • the bodies source of energy. • a pair of sugar molecules together. • are made up of amino acids and help muscles move. • when a reaction absorbs heat from its surroundings. • when a reaction gives off heat from its surroundings. • workers that make chemical reactions go faster in our bodies. • ...

Ch 2 Sec 1 Crossword 2021-09-27

Ch 2 Sec 1 Crossword crossword puzzle
Across
  1. smallest unit of an element
  2. one of the most abundant elements in organism
  3. made of oxygen and hydrogen molecules
  4. chemical name for salt
  5. used in the production of proteins
  6. Substance that cannot be broken down
  7. made up of multiple elements
  8. doesn't contain carbon
Down
  1. energy-rich organic compound
  2. genetic material inherited from parents
  3. smaller protein molecules
  4. a type of protein that speeds up chemical reaction
  5. contains carbon
  6. cell storage for energy
  7. large organic molecules of carbon, oxygen etc
  8. smallest unit of compounds
  9. an example of a carbohydrate

17 Clues: contains carbon • chemical name for salt • doesn't contain carbon • cell storage for energy • smaller protein molecules • smallest unit of compounds • smallest unit of an element • energy-rich organic compound • an example of a carbohydrate • made up of multiple elements • used in the production of proteins • Substance that cannot be broken down • ...

Basic Chemistry 2025-08-12

Basic Chemistry crossword puzzle
Across
  1. Positively charged ion
  2. Common solvent
  3. Substance made of only one type of atom
  4. gas, Group 18 elements (2 words)
  5. The center of an atom
  6. Negatively charged particle
  7. Vertical column in the periodic table
  8. A horizontal row in the periodic table
  9. Common table salt formula
Down
  1. Bond where electrons are shared
  2. The smallest unit of an element
  3. Type of reaction that absorbs heat
  4. pH less than 7
  5. Number, Number of protons in an atom (2 words)
  6. Gas released during photosynthesis
  7. Substance formed in a chemical reaction

16 Clues: Common solvent • pH less than 7 • The center of an atom • Positively charged ion • Common table salt formula • Negatively charged particle • Bond where electrons are shared • The smallest unit of an element • gas, Group 18 elements (2 words) • Type of reaction that absorbs heat • Gas released during photosynthesis • Vertical column in the periodic table • ...

Science Crossword Happy Fun Time Challenge 2024-12-08

Science Crossword Happy Fun Time Challenge crossword puzzle
Across
  1. - A type of molecule that stores energy and makes up cell membranes.
  2. - A pure substance made up of only one type of atom.
  3. - A substance that has a bitter taste and can turn red litmus paper blue.
  4. Equation - A way to show what happens during a chemical reaction, with symbols for the chemicals involved.
  5. - The smallest part of an element.
  6. - A type of molecule that gives energy to the body. They are made of sugar.
  7. - The substances you start with in a chemical reaction.
  8. - A type of molecule made of amino acids that helps build muscles and other parts of the body.
Down
  1. Formula - A way to show what atoms are in a compound and how many of each there are.
  2. - The substances you get after a chemical reaction.
  3. - A substance that has a sour taste and can turn blue litmus paper red.
  4. Equations - Making sure there are the same number of atoms on both sides of a chemical equation.
  5. Bond - A type of bond where atoms share electrons to stick together.
  6. Bond - A type of bond where one atom gives away an electron to another atom, making them stick together.
  7. Storage - The way the body keeps energy for later use.
  8. - An atom or molecule that has a charge because it has gained or lost electrons.
  9. - A scale that measures how acidic or basic a substance is, from 0 to 14.

17 Clues: - The smallest part of an element. • - The substances you get after a chemical reaction. • - A pure substance made up of only one type of atom. • Storage - The way the body keeps energy for later use. • - The substances you start with in a chemical reaction. • - A type of molecule that stores energy and makes up cell membranes. • ...

Luis B. Oxidation 2022-01-18

Luis B. Oxidation crossword puzzle
Across
  1. everything that is produced or what results from the production process.
  2. is the action and effect of transforming.
  3. is a symbolic description of a chemical reaction.
  4. to suffer a transformation set of successive phases of a complex phenomenon or fact.
  5. is a gas that your body needs to function properly.
  6. is a sequence of actions.
Down
  1. it is an integral part of any chemical reaction.
  2. change that makes something different without changing the composition of the material.
  3. a measure of the warmth or coldness of an object or substance.
  4. action that is exercised between two or more objects, people, agents.
  5. is a chemical element and its compounds in their natural state or obtained by some manufacturing process.
  6. is the process by which elements in a system undergo.

12 Clues: is a sequence of actions. • is the action and effect of transforming. • it is an integral part of any chemical reaction. • is a symbolic description of a chemical reaction. • is a gas that your body needs to function properly. • is the process by which elements in a system undergo. • a measure of the warmth or coldness of an object or substance. • ...

Science 24 2022-06-13

Science 24 crossword puzzle
Across
  1. manmade chemicals
  2. compound found in nature
  3. Melting ice cubes
  4. reaction when two or more substances combine to form a new substance
  5. kills off harmful insects
  6. Carbon dioxide
  7. Emmissions from the combustion of fossil fuels
  8. The reaction of an acid and base
  9. workplace hazardous materials information system
  10. an ice pack
Down
  1. The process of burning something
  2. Long term shifts in temperatures and weather patterns
  3. kills unwanted plants
  4. Transformation of pure metals into undesirable substances
  5. mixtures of metals
  6. A process for removing pollutants

16 Clues: an ice pack • Carbon dioxide • manmade chemicals • Melting ice cubes • mixtures of metals • kills unwanted plants • compound found in nature • kills off harmful insects • The process of burning something • The reaction of an acid and base • A process for removing pollutants • Emmissions from the combustion of fossil fuels • workplace hazardous materials information system • ...

Chemistry, The Periodic Table, and Other Science Terms 2023-12-08

Chemistry, The Periodic Table, and Other Science Terms crossword puzzle
Across
  1. Building blocks of protons and neutrons with an electric charge
  2. Solid, gas, plasma, and ___
  3. A positively charged subatomic particle
  4. Chemical element with symbol Xe and atomic number 54
  5. SI unit of energy
  6. The fixed path on which an electron moves or revolves around the atom's nucleus
  7. An atom of the same element, having the same atomic number but different mass number
  8. ___ metals, Group 1 (Ia) on the periodic table
  9. Substance made up of multiple chemically bonded elements
  10. Starting material(s) in a chemical reaction
  11. Study of chemical processes related to living things
Down
  1. SI unit of temperature
  2. elements that have properties of both metals and nonmetals
  3. ___ gas, an inert gas such as helium, argon, and radon
  4. Chemical element that makes up 78% of air
  5. Movement of solvent molecules across a semipermeable membrane
  6. ___ electrons, which are the electrons on the outside of the atom.
  7. Process of which plants synthesize foods, with a chemical equation of 6CO2+6H2O→C6H12O6+6O2

18 Clues: SI unit of energy • SI unit of temperature • Solid, gas, plasma, and ___ • A positively charged subatomic particle • Chemical element that makes up 78% of air • Starting material(s) in a chemical reaction • ___ metals, Group 1 (Ia) on the periodic table • Chemical element with symbol Xe and atomic number 54 • Study of chemical processes related to living things • ...

Crossword Puzzle on Chemical Composition 2023-03-13

Crossword Puzzle on Chemical Composition crossword puzzle
Across
  1. The total number of moles of solute per litre of solution.
  2. Any class of organic chemical made up of hydrogen and carbon.
  3. A reaction that releases energy from the system to its surroundings.
  4. An important measurement in chemistry that has the same name as a marsupial (type of animal).
  5. Lowering the concentration of a solute in a solution by simply adding more solvent to the solution.
  6. The result of the reaction.
  7. The space taken up by an object.
  8. A group of atoms bonded together.
  9. The mass of an atom.
  10. The amount of matter in an object.
  11. The name of the scientist who found the constant for the amount of particles in a mole.
Down
  1. The species present in a substance usually atoms, molecules, or a formula unit.
  2. The quantity of solute present in a given quantity of solution.
  3. The simplest whole number ratio of atoms present in a compound.
  4. What occurs when two chemicals are mixed, referred to as a solvent and a solute.
  5. Any thermodynamic process with an increase in the enthalpy H of the system.
  6. The mass in grams of one mole of the compound.
  7. A substance that undergoes change in a reaction.
  8. A particle of matter that uniquely defines a chemical element.
  9. The real physical matter of which a person or thing consists and which has a tangible, solid presence.

20 Clues: The mass of an atom. • The result of the reaction. • The space taken up by an object. • A group of atoms bonded together. • The amount of matter in an object. • The mass in grams of one mole of the compound. • A substance that undergoes change in a reaction. • The total number of moles of solute per litre of solution. • ...

Stoich!!... and other fun chemistry things!!! 2023-03-31

Stoich!!... and other fun chemistry things!!! crossword puzzle
Across
  1. S2O3 -2
  2. Mn+4
  3. The amount you are supposed to make in lab
  4. Formula with the simplest ratio of elements
  5. Your teacher's favorite element
  6. The substance that has extra leftover after the reaction
  7. The substance that gets completely used up in a reaction
  8. MnO4 -2
  9. Alkane with 16 hydrogens
  10. This gets replaced when a metal is placed in an acid
  11. The number of valence electrons from halogens
  12. Creates one product
  13. NaOH, KOH, LiOH
  14. How much you made in lab
  15. React violently with water
  16. You check this to see if a SR reaction will react
  17. Fe+3
Down
  1. HCl(aq)
  2. Al2(CO3)3
  3. Discovered the proton
  4. Molecular geometry name for methane
  5. acid + base
  6. When an alkane reacts with oxygen
  7. nitrates are always this
  8. CN -1
  9. Number of electrons for a neutral sulfur atom
  10. Water is this type of molecule
  11. one reactant breaking down
  12. Measure of how efficient you are in lab
  13. The mass and mole relationships between reactants and products in a chemical reaction
  14. First came up with the idea of the atom
  15. The solid produced from 2 solutions in a double replacement reaction
  16. Charge on thiocyanate
  17. The only positive polyatomic ion

34 Clues: Mn+4 • Fe+3 • CN -1 • HCl(aq) • S2O3 -2 • MnO4 -2 • Al2(CO3)3 • acid + base • NaOH, KOH, LiOH • Creates one product • Discovered the proton • Charge on thiocyanate • nitrates are always this • Alkane with 16 hydrogens • How much you made in lab • one reactant breaking down • React violently with water • Water is this type of molecule • Your teacher's favorite element • The only positive polyatomic ion • ...

Aariele Villanueva-9/20/2023-Biology 311-Chapter 2 Vocabulary 2023-09-21

Aariele Villanueva-9/20/2023-Biology 311-Chapter 2 Vocabulary crossword puzzle
Across
  1. A change in a substance that does not change the identity of the substance
  2. A substance that changes the rate of a chemical re­action but is not itself used up or affected by the reaction
  3. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion
  4. The smallest particle of a covalently bonded compound
  5. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a mole­cule having negative charge while others are positive
  6. The substances formed during a chemical reaction, usually indicated on the right­hand side of a chemical equation
  7. The attraction of particles in one substance to particles from another substance
  8. The attraction between like particles within polar substances
  9. A pure substance made from two or more ele­ments that are chemically combined
  10. An organic compound comprised of the ele­ments carbon, hydrogen, and oxygen; includes sugars, starch and cellulose
  11. The physical stuff that makes up the universe; anything that occupies space and has mass
  12. The process by which a substance, the solute, is broken up into smaller pieces by and distributed into a second substance, the solvent
  13. The ability to do work
  14. A class of nonpolar organic compounds that are in­ soluble in water and are used for energy storage and cell membranes in living things
  15. The tendency of energy to disperse and become less available to do work
  16. A class of simple organic compounds important in living things as a source of both energy and structure
Down
  1. A substance that is present before a chemical re­action and takes part in it, usually shown on the left­hand side of a chemical equation
  2. A naturally occurring catalyst, usually a protein
  3. A substance that ca produce hydrogen ions in a solution
  4. An attraction between two atoms as a result of shar­ing or transferring valence electrons
  5. A substance that can produce hydroxide ions or accept hydrogen ions in solution
  6. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA
  7. A covalently bonded compound containing the element carbon
  8. A substance that binds to an enzyme and re­duces its activity, thus slowing a chemical reaction that the enzyme catalyzes
  9. A class of organic compounds that serve as the building blocks of proteins
  10. A pure substance made of only one kind of atom
  11. The building block of matter; the smallest possible particle of an element
  12. A measurement of the average speed of the particles within a substance

28 Clues: The ability to do work • A pure substance made of only one kind of atom • A naturally occurring catalyst, usually a protein • The smallest particle of a covalently bonded compound • A substance that ca produce hydrogen ions in a solution • A covalently bonded compound containing the element carbon • The attraction between like particles within polar substances • ...

Weathering/Erosion Test Review 2022-10-19

Weathering/Erosion Test Review crossword puzzle
Across
  1. rapid downhill movement of rock/soil
  2. biggest factor in weathering
  3. type of rocks that breaks down most easily
  4. downward pull that plays a part in weathering
  5. downhill movement of rock due to gravity
  6. breakdown of rocks by chemical process
  7. chemical reaction with oxygen (causes rust)
  8. freezing and expanding water widens rock crack
  9. surface features of a region
Down
  1. fastest weathering type of rock
  2. narrow ditch caused by runoff
  3. mounds of sand deposited by wind
  4. when water reacts with a mineral
  5. wearing down rock by blowing sand
  6. area of fertile soil caused by river flooding
  7. breakdown of rock by physical process
  8. movement of sand/rock/soil from place to place
  9. large mass of moving ice

18 Clues: large mass of moving ice • biggest factor in weathering • surface features of a region • narrow ditch caused by runoff • fastest weathering type of rock • mounds of sand deposited by wind • when water reacts with a mineral • wearing down rock by blowing sand • rapid downhill movement of rock/soil • breakdown of rock by physical process • breakdown of rocks by chemical process • ...

Moles & Stoich Review 2021-03-04

Moles & Stoich Review crossword puzzle
Across
  1. sum of the atomic masses of all the atoms in the chemical formula
  2. 6.02 x 10^23
  3. theoretical yield ÷ actual yield
  4. all non-limiting reactants, some left over after reaction
  5. the study of quantitative relationships between reactants used and products formed
  6. a chemical reaction stops when a ________ runs out
  7. amount of product generated in experiment
Down
  1. reactant that runs out first, controls the amount of product made
  2. maximum possible product produced, determined through calculations
  3. stoichiometry is like adjusting a ______
  4. the _____ of reactants to products is expressed by coefficients

11 Clues: 6.02 x 10^23 • theoretical yield ÷ actual yield • stoichiometry is like adjusting a ______ • amount of product generated in experiment • a chemical reaction stops when a ________ runs out • all non-limiting reactants, some left over after reaction • the _____ of reactants to products is expressed by coefficients • ...

Salon Haircolor 2021-11-22

Salon Haircolor crossword puzzle
Across
  1. semi-permanent or demi-permanent haircolor product used on pre-lightened hair to neutralize unwanted pigment
  2. the technique of removing natural hair color or artificial haircolor from the hair
  3. also known as Bleach or Decolorizers, will lift permanently by diffusing, dissolving or decolorizing the natural or artificial pigment in the cortex
  4. a substance that is capable of dissolving another substance
  5. the Scalp Lightener: also known as Quick Lighteners, come in a powder form and are not able to be used on the scalp
  6. Substances have definite chemical and physical properties
  7. a product used to make another product more intense, vibrant, stronger, or purer
  8. temporary colors; no chemical mixing or reaction takes place to produce these colors on the hair
  9. a gas with a strong odor, made up of nitrogen and hydrogen
  10. stable mixtures of two or more substances, which may be solids, liquids, gases or a combination of these
  11. Derivatives small compounds, also known as uncolored dye precursors, found in permanent haircolor
  12. also known as Catalyst or Hydrogen Peroxide, oxidizing agent added to haircolor or lightener that assists in the development process
Down
  1. creates a chemical change in the hair therefore providing longer lasting haircolor results.
  2. the chemical reaction that occurs when oxygen is released from a substance; this reaction assists in the development of color on the hair
  3. the rapid oxidation of a substance, accompanied by the production of heat and light
  4. particles in an atom that have a neutral charge (having no positive or negative charge)
  5. the smallest chemical part of an element
  6. used to equalize porosity and replace missing pigment in one application
  7. an atom or a group of atoms carrying an electric charge
  8. used to neutralize acids or raise the pH. May be used in place of ammonia because they create less odor
  9. a mixture in which small particles of a substance are dispersed throughout a gas or liquid. If left undisturbed, the particles are likely to settle and separate
  10. Molecules also known as Compounds, are a chemical combination of two or more atoms from different elements
  11. particles in an atom that have a negative charge
  12. the suspension of one liquid in a second liquid with which the first will not mix
  13. particles in an atom that have a positive charge
  14. ranges from 0 to 6.9 on the pH Scale
  15. two or more atoms chemically joined, and retain their chemical and physical properties to form matter
  16. ranges from 7.1 to 14 on pH Scale
  17. the Scalp Lightener come in an oil, cream and some powder forms and are able to be used on the scalp

29 Clues: ranges from 7.1 to 14 on pH Scale • ranges from 0 to 6.9 on the pH Scale • the smallest chemical part of an element • particles in an atom that have a negative charge • particles in an atom that have a positive charge • an atom or a group of atoms carrying an electric charge • Substances have definite chemical and physical properties • ...

Chemical Reactions 2022-10-05

Chemical Reactions crossword puzzle
Across
  1. What comes out of a chemical reaction
  2. Atomic Weight
  3. The first part of a chemical equation
  4. This states that mass can neither be created or destroyed
  5. What separates the reactants and products
  6. Elements put together create ____
Down
  1. What make up everything around us.
  2. When a chemical equation is equal on both sides
  3. A chemical equation creates a ____
  4. When a Chemical equation is not equal on both sides

10 Clues: Atomic Weight • Elements put together create ____ • What make up everything around us. • A chemical equation creates a ____ • What comes out of a chemical reaction • The first part of a chemical equation • What separates the reactants and products • When a chemical equation is equal on both sides • When a Chemical equation is not equal on both sides • ...

science homework 2024-02-16

science homework crossword puzzle
Across
  1. The smallest particle of an element; made of electrons, protons, and neutrons
  2. Energy stored in chemical bonds and released through chemical reactions
  3. Energy Energy from the Sun that reaches Earth as visible light, ultraviolet radiation, and infrared (heat) radiation Reactant A substance that takes part in and undergoes change during a chemical reaction
  4. carbon dioxide and water into sugar (glucose) and oxygen
Down
  1. A sugar composed of six carbon atoms that is the preferred energy source for most cells; produced by photosynthesis Molecule The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically Photosynthesis A chemical reaction during which plants convert radiant energy from the Sun to chemical energy; the reaction
  2. A substance produced during a chemical reaction
  3. The process by which one or more substances change to produce one or more different substances

7 Clues: A substance produced during a chemical reaction • carbon dioxide and water into sugar (glucose) and oxygen • Energy stored in chemical bonds and released through chemical reactions • The smallest particle of an element; made of electrons, protons, and neutrons • The process by which one or more substances change to produce one or more different substances • ...

RMT:TERM 1:a 2022-05-18

RMT:TERM 1:a crossword puzzle
Across
  1. a plasma membrane.
  2. Sum of all chemical reaction in body.
  3. 8% of epidermal cells.
  4. direct effect.
  5. keratinocytes with no cellular organelles.
  6. b/w anterior and middle scalene.
  7. Extensor carpi radialis brevis and longus, and the brachioradialis.
  8. b/w acromion process and head of humerus.
  9. Pronator teres arch nemesis.
  10. unla+humerus.
  11. Auxiliary innervation.
  12. Cell not dividing.
  13. Bridge to SP.
  14. Mature bone.
  15. Inferior kyphosis.
Down
  1. yellowish.
  2. Infant ossification.
  3. Water.
  4. Anterior arch.
  5. over 15.
  6. Between the lungs.
  7. Proprioception.
  8. Sheath.
  9. EPL, EPB, APL.
  10. gametes contain a single set of 23 chromosomes.
  11. Smallest level of organization.

26 Clues: Water. • Sheath. • over 15. • yellowish. • Mature bone. • unla+humerus. • Bridge to SP. • Anterior arch. • direct effect. • EPL, EPB, APL. • Proprioception. • a plasma membrane. • Between the lungs. • Cell not dividing. • Inferior kyphosis. • Infant ossification. • 8% of epidermal cells. • Auxiliary innervation. • Pronator teres arch nemesis. • Smallest level of organization. • ...

Key Concepts in Physics: ENERGY 2023-05-30

Key Concepts in Physics: ENERGY crossword puzzle
Across
  1. energy harnessed in laboratories
  2. potential energy stored in food
  3. bending of energy waves
  4. energy traveling in a vacuum
  5. energy created through motion
  6. moving electricity
  7. overlapping of energy waves
  8. the highness or lowness of sound
  9. light produced by heating
  10. energy resulting from moving charged particles
  11. potential energy causing attraction
Down
  1. light produced by chemical reaction
  2. potential energy often stored in metallic objects
  3. potential energy stored in pliant and stretchable materials
  4. bouncing off of energy waves
  5. electricity at rest
  6. spreading out of energy waves
  7. energy resulting from vibrations
  8. energy resulting from motion of molecules
  9. stored energy in stationary objects

20 Clues: moving electricity • electricity at rest • bending of energy waves • light produced by heating • overlapping of energy waves • energy traveling in a vacuum • bouncing off of energy waves • energy created through motion • spreading out of energy waves • potential energy stored in food • energy harnessed in laboratories • the highness or lowness of sound • ...

Matter and Energy 2023-05-15

Matter and Energy crossword puzzle
Across
  1. mass protons and neutrons in the nucleus
  2. middle of the periodic table
  3. chemical reaction with another atom
  4. positive charge
  5. same number of valence electrons
  6. left side of the periodic table
  7. Protons and neutrons are inside
  8. negative charge
  9. basic building blocks of all matter
Down
  1. shaped by forging
  2. conducts heat and electricity
  3. takes up space and has volume
  4. gradual changes left to right
  5. outside the nucleus
  6. reflects light
  7. similar chemical properties and physical properties
  8. atoms have the same number of valence electrons
  9. Has no charge
  10. number of protons in an atom
  11. right side of the periodic table

20 Clues: Has no charge • reflects light • positive charge • negative charge • shaped by forging • outside the nucleus • middle of the periodic table • number of protons in an atom • conducts heat and electricity • takes up space and has volume • gradual changes left to right • left side of the periodic table • Protons and neutrons are inside • same number of valence electrons • ...

Crossword ! 2018-10-18

Crossword ! crossword puzzle
Across
  1. Any substance that undergoes a chemical change in a given reaction.
  2. Any of various proteins, as pepsin, originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action, as in digestion.
  3. The molecular force of attraction in the area of contact between unlike bodies that acts to hold them together.
  4. Noting or pertaining to a chemical change that is accompanied by a liberation of heat
  5. Occur when a substance combines with another to form a new substance.
  6. The nucleus of a hydrogen atom separated from its accompanying electron.
  7. A measure of the acidity or alkalinity of a solution.
Down
  1. The molecular force between particles within a body or substance that acts to unite them
  2. A substance that dissolves another to form a solution
  3. The least amount of energy required to activate atoms or molecules to a state in which they can undergo a chemical reaction.
  4. The process by which a gas, liquid, or solid is dispersed homogeneously in a gas, liquid, or solid without chemical change.
  5. Negatively charged molecule made up of one oxygen bonded to one hydrogen
  6. A type of chemical bond in which a hydrogen atom that has a covalent link with one of the electronegative atoms (F, N, O) forms an electrostatic link with another electronegative atom in the same or another molecule.
  7. Composed of different substances or the same substance in different phases, as solid ice and liquid water.
  8. Something that has a pH value of less than 7

15 Clues: Something that has a pH value of less than 7 • A substance that dissolves another to form a solution • A measure of the acidity or alkalinity of a solution. • Any substance that undergoes a chemical change in a given reaction. • Occur when a substance combines with another to form a new substance. • ...

science puzzle 2021-04-15

science puzzle crossword puzzle
Across
  1. How their atoms are arranged, connected, and the atoms that are used.
  2. a physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes.
  3. Filters. A redistribution of atoms or atomic groups within a molecule, forming the molecule of a different substance.
  4. of matter include any traits that can be measured, such as an object's density, colour, mass, volume, length
  5. a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition
  6. is a form of matter that has constant chemical composition and characteristic properties. It cannot be separated into components without breaking chemical bonds.
  7. is a substance that is formed as the result of a chemical reaction.
  8. An ordered system of numbering or indexing that is used as a reference standard in measurement, in which each number corresponds to some physical quantity.
  9. refers to a substance that has the power to cause irreversible damage or destroy another substance by contact
  10. is a substance that is present at the start of a chemical reaction. The substance(s) to the right of the arrow are called products . A product is a substance that is present at the end of a chemical reaction.
Down
  1. ,tells us the number of atoms of each element in a compound. It contains the symbols
  2. ,smallest unit into which matter can be divided
  3. is a process in which one or more substances, also called reactants, are converted to one or more
  4. temperature at which the pressure exerted by the surroundings upon a liquid is equaled by the pressure exerted by the vapor of the liquid
  5. re compounds or mixtures delivered as solids, liquids or gases, that supply essential nutrients to crops in soluble forms that are convenient and safe
  6. at which the solid and liquid forms of a pure substance can exist in equilibrium.

16 Clues: ,smallest unit into which matter can be divided • is a substance that is formed as the result of a chemical reaction. • How their atoms are arranged, connected, and the atoms that are used. • at which the solid and liquid forms of a pure substance can exist in equilibrium. • ,tells us the number of atoms of each element in a compound. It contains the symbols • ...

Chemical Reactions Crossword 2024-05-20

Chemical Reactions Crossword crossword puzzle
Across
  1. Chemical decomposition of fats or lipids
  2. Substance gains electrons
  3. Acid and base form salt and water
  4. Atoms change oxidation state
  5. Parts of two compounds exchanged
  6. Forms solid in solution
  7. Atom or molecule acquires charge
  8. Releases heat
Down
  1. One reactant breaks down into two or more products
  2. Carbon compound reacts with oxygen
  3. Gradual destruction by chemical reactions
  4. One element trades places
  5. Increases reaction rate
  6. Absorbs heat
  7. Substance loses electrons
  8. Substance donates protons or hydrogen ions
  9. Substance accepts protons or hydrogen ions

17 Clues: Absorbs heat • Releases heat • Increases reaction rate • Forms solid in solution • One element trades places • Substance gains electrons • Substance loses electrons • Atoms change oxidation state • Parts of two compounds exchanged • Atom or molecule acquires charge • Acid and base form salt and water • Carbon compound reacts with oxygen • Chemical decomposition of fats or lipids • ...

Proteins 2021-09-16

Proteins crossword puzzle
Across
  1. The chemical group of an amino acid that has the formula NH2.
  2. Two amino ac9ids joined together.
  3. Type of bonds which form the secondary structure of a protein.
  4. Chemical element found in a few amino acids.
  5. Monomers which form proteins.
  6. Small molecular unit which can join together to form Polymers.
  7. Chemical element found in all amino acids but not in carbohydrates.
  8. The chemical group of an amino acid which has the chemical formula COOH.
  9. Level of protein structure which has ionic and disulfide bonds.
Down
  1. Type of Protein which transports Oxygen in the blood.
  2. The chemical group of an amino acid represented by R.
  3. The type of bond which joins amino acids together in a polymer?
  4. Type of protein which forms human hair and finger nails.
  5. A polymer of amino acids.
  6. Type of protein found in the skin and connective tissue.
  7. The order of amino acids in a polypeptide.
  8. The type of reaction which joins amino acids together.
  9. Level of protein structure present where multiple polypeptides form a complete protein.

18 Clues: A polymer of amino acids. • Monomers which form proteins. • Two amino ac9ids joined together. • The order of amino acids in a polypeptide. • Chemical element found in a few amino acids. • Type of Protein which transports Oxygen in the blood. • The chemical group of an amino acid represented by R. • The type of reaction which joins amino acids together. • ...

Science Fair Daisy Dreier 2024-02-16

Science Fair Daisy Dreier crossword puzzle
Across
  1. carbon dioxide and water into sugar (glucose) and oxygen
  2. A substance produced during a chemical reaction
  3. Energy stored in chemical bonds and released through chemical reactions
Down
  1. The process by which one or more substances change to produce one or more different substances
  2. A sugar composed of six carbon atoms that is the preferred energy source for most cells; produced by photosynthesis Molecule The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically Photosynthesis A chemical reaction during which plants convert radiant energy from the Sun to chemical energy; the reaction
  3. The smallest particle of an element; made of electrons, protons, and neutrons
  4. Energy Energy from the Sun that reaches Earth as visible light, ultraviolet radiation, and infrared (heat) radiation Reactant A substance that takes part in and undergoes change during a chemical reaction

7 Clues: A substance produced during a chemical reaction • carbon dioxide and water into sugar (glucose) and oxygen • Energy stored in chemical bonds and released through chemical reactions • The smallest particle of an element; made of electrons, protons, and neutrons • The process by which one or more substances change to produce one or more different substances • ...

Cellular Energy 2021-12-17

Cellular Energy crossword puzzle
Across
  1. process sulfate reduction reaction
  2. power that comes from the us of physical or chemical resources
  3. the natural coloring of an animal or plant tissue
  4. respiration a chemical process in which oxygen is used to make sugars
  5. process catabolism of nutrients to make carbon dioxide, oxygen, and water
  6. the chemical processes that occur in a living thing
  7. cycle series of chemical reactions to generate energy
  8. chemical breakdown of a substance by bacteria, yeasts, or other microorganisms
Down
  1. stacks of thylakoid embedded in chloroplasts
  2. the process by which plants use carbon dioxide and water to make energy
  3. an enzyme present in chloroplasts
  4. a process where glucose is broken into three-carbon sugar
  5. branch of science that relates heat with other energy sources
  6. membrane-bound compartments inside chloroplasts
  7. triphosphate a compound that provides energy to drive many processes in the cell
  8. the colorless fluid surrounding the grana
  9. the cycle of dark reactions occurring during photosynthesis
  10. an electron carrier

18 Clues: an electron carrier • an enzyme present in chloroplasts • process sulfate reduction reaction • the colorless fluid surrounding the grana • stacks of thylakoid embedded in chloroplasts • membrane-bound compartments inside chloroplasts • the natural coloring of an animal or plant tissue • the chemical processes that occur in a living thing • ...

Cellular Energy 2021-12-17

Cellular Energy crossword puzzle
Across
  1. process sulfate reduction reaction
  2. power that comes from the us of physical or chemical resources
  3. the natural coloring of an animal or plant tissue
  4. respiration a chemical process in which oxygen is used to make sugars
  5. process catabolism of nutrients to make carbon dioxide, oxygen, and water
  6. the chemical processes that occur in a living thing
  7. cycle series of chemical reactions to generate energy
  8. chemical breakdown of a substance by bacteria, yeasts, or other microorganisms
Down
  1. stacks of thylakoid embedded in chloroplasts
  2. the process by which plants use carbon dioxide and water to make energy
  3. an enzyme present in chloroplasts
  4. a process where glucose is broken into three-carbon sugar
  5. branch of science that relates heat with other energy sources
  6. membrane-bound compartments inside chloroplasts
  7. triphosphate a compound that provides energy to drive many processes in the cell
  8. the colorless fluid surrounding the grana
  9. the cycle of dark reactions occurring during photosynthesis
  10. an electron carrier

18 Clues: an electron carrier • an enzyme present in chloroplasts • process sulfate reduction reaction • the colorless fluid surrounding the grana • stacks of thylakoid embedded in chloroplasts • membrane-bound compartments inside chloroplasts • the natural coloring of an animal or plant tissue • the chemical processes that occur in a living thing • ...

Cellular Energy 2021-12-17

Cellular Energy crossword puzzle
Across
  1. triphosphate a compound that provides energy to drive many processes in the cell
  2. chemical breakdown of a substance by bacteria, yeasts, or other microorganisms
  3. process sulfate reduction reaction
  4. process catabolism of nutrients to make carbon dioxide, oxygen, and water
  5. the natural coloring of an animal or plant tissue
  6. cycle series of chemical reactions to generate energy
  7. a process where glucose is broken into three-carbon sugar
  8. the process by which plants use carbon dioxide and water to make energy
  9. membrane-bound compartments inside chloroplasts
  10. stacks of thylakoid embedded in chloroplasts
Down
  1. power that comes from the us of physical or chemical resources
  2. the cycle of dark reactions occurring during photosynthesis
  3. the chemical processes that occur in a living thing
  4. the colorless fluid surrounding the grana
  5. an electron carrier
  6. an enzyme present in chloroplasts
  7. branch of science that relates heat with other energy sources
  8. respiration a chemical process in which oxygen is used to make sugars

18 Clues: an electron carrier • an enzyme present in chloroplasts • process sulfate reduction reaction • the colorless fluid surrounding the grana • stacks of thylakoid embedded in chloroplasts • membrane-bound compartments inside chloroplasts • the natural coloring of an animal or plant tissue • the chemical processes that occur in a living thing • ...

Chemical Texturizing 2023-03-20

Chemical Texturizing crossword puzzle
Across
  1. overexposure to certain ingredient's or chemicals.
  2. Chemically altering curly to straight.
  3. solutions with an acidic pH that restores the hairs' pH to normal.
  4. spiraling chain of amino acids.
  5. Removing one sulfur atom and replacing it with a disulfide bond.
  6. easily broken by water or heat.
  7. weak bonds, easily broken by change in pH.
Down
  1. Also known as end bonds.
  2. the building blocks that form tiny protein fibers.
  3. Substances that are able to be mixed with another substance.
  4. measures from 0-14 acid or Alkalinity.
  5. Alkalinity / acidity.
  6. two or more types of matter blended together.
  7. Unable to be mixed with another substance.
  8. Done to see how the hair will respond to the chemical reaction.
  9. Removes any chemicals left in the hair after chemical treatment.
  10. Strong chemical side bonds, only broken by chemical solutions.
  11. Also known as cross bonds.

18 Clues: Alkalinity / acidity. • Also known as end bonds. • Also known as cross bonds. • spiraling chain of amino acids. • easily broken by water or heat. • measures from 0-14 acid or Alkalinity. • Chemically altering curly to straight. • Unable to be mixed with another substance. • weak bonds, easily broken by change in pH. • two or more types of matter blended together. • ...

Redox Time Travel 2021-06-20

Redox Time Travel crossword puzzle
Across
  1. Substance agent that is oxidised in a redox reaction with other substances
  2. Reaction that takes place when a reactant loses oxygen, gains hydrogen, gains electron and increased oxidation number
  3. The electrode where the reduction reaction takes place
  4. The _________ number or state as the charge of an element in a compound if electron transfer occurs in an atom to form a chemical bond with another atom
  5. Electrode _________ is the _________ (voltage) produced when equilibrium is established between metal M & the aqueous solution containing metal M ions in a half-cell
  6. Substance agent that is reduced in a redox reaction with other substances
Down
  1. Shorthand cell ________ representation of a chemical cell with the anode on the left and the cathode on the right is separated by two vertical lines representing a salt bridge or porous pot
  2. Potential difference produced in half-cells under conditions with a concentration of ion in an aqueous solution (1.0 moldm-3) at 25 degrees celcius/298K, 1 atm pressure/101 kPa & coupled with ________ hydrogen electrode of platinum as inert electrode when half-cell is not a metal electrode
  3. Substance agent that is oxidised in a redox reaction with other substances
  4. Reaction that takes place when a reactant gains oxygen, loses hydrogen, loses electron and reduced oxidation number
  5. Process of decomposition of a compound in a molten state or an aqueous solution to its constituent elements when electric current is passed through it
  6. Redox reaction in which there is an oxidation process of iron to hydrated iron(III)oxide, Fe2O3.xH2O
  7. Substance agent that is reduced in a redox reaction with other substances
  8. The electrode where the oxidation reaction takes place
  9. Chemical reactions that involve oxidation & reduction that occur simultaneously

15 Clues: The electrode where the reduction reaction takes place • The electrode where the oxidation reaction takes place • Substance agent that is reduced in a redox reaction with other substances • Substance agent that is reduced in a redox reaction with other substances • Substance agent that is oxidised in a redox reaction with other substances • ...

Lets get Chemical 2020-05-07

Lets get Chemical crossword puzzle
Across
  1. where solids turn to gas without changing to liquid
  2. water becomes a solid
  3. how many particles
  4. gas into a liquid with cooling
  5. heat causes this in particles
  6. the particles move freely and quickly
  7. point, matter changes with temperature
  8. explanation and evidence
  9. properties substances in chemical reaction
  10. spreading out of a substance
Down
  1. solid becomes a liquid
  2. usually measured in litres
  3. energy motion of moving objects
  4. changes in state from liquid to a gas
  5. properties can be measure or observed
  6. maintains fixed shape
  7. spreading out of a substance
  8. type of atom
  9. has mass and volume
  10. can flow across a surface
  11. point temperature when the substance melts
  12. Smallest particle

22 Clues: type of atom • Smallest particle • how many particles • has mass and volume • water becomes a solid • maintains fixed shape • solid becomes a liquid • explanation and evidence • can flow across a surface • usually measured in litres • spreading out of a substance • spreading out of a substance • heat causes this in particles • gas into a liquid with cooling • ...

Crossword Challenge 2024-07-05

Crossword Challenge crossword puzzle
Across
  1. A chemical element with the symbol Zr
  2. Unit of electric current
  3. Device that uses biological molecules to detect chemicals
  4. Systematic study of materials
  5. Protective wear in labs
  6. Device used to measure temperature
  7. Technique to determine metal composition
  8. Research paper publication
  9. Company's unique product formula
  10. Common laboratory gas
Down
  1. Innovative solution method
  2. Substance used to speed up reactions
  3. To adjust precisely for a particular function
  4. Measurement of acidity
  5. Research funding source
  6. Industrial process to extract metals
  7. Industrial chemical reaction vessel
  8. Person conducting experiments
  9. Element with the symbol Fe
  10. Solid waste product from metal smelting

20 Clues: Common laboratory gas • Measurement of acidity • Research funding source • Protective wear in labs • Unit of electric current • Innovative solution method • Element with the symbol Fe • Research paper publication • Systematic study of materials • Person conducting experiments • Company's unique product formula • Device used to measure temperature • Industrial chemical reaction vessel • ...

Unit 2 2022-03-25

Unit 2 crossword puzzle
Across
  1. The basic unit of life
  2. water-loving
  3. several cells
  4. groups of organs
  5. place where the substrate goes
  6. several tissues
  7. molecules move from being clustered to spread out
  8. transport that doesn't require ATP
  9. only certain things can pass through
  10. reactants in a chemical reaction
Down
  1. water-fearing
  2. groups of organ systems
  3. several atoms
  4. cells spend energy (ATP) to move molecules across the membrane
  5. energy required to activate chemical reactions
  6. something is changed due to extreme conditions
  7. the diffusion of water across a membrane
  8. several organelles
  9. several molecules
  10. lowers the amount of activation energy required for metabolism
  11. the end result

21 Clues: water-loving • water-fearing • several atoms • several cells • the end result • several tissues • groups of organs • several molecules • several organelles • The basic unit of life • groups of organ systems • place where the substrate goes • reactants in a chemical reaction • transport that doesn't require ATP • only certain things can pass through • the diffusion of water across a membrane • ...

Puzzle 48: Electrochemistry 2025-09-09

Puzzle 48: Electrochemistry crossword puzzle
Across
  1. – Conductive material in solution.
  2. – Flow of charge.
  3. – Converts fuel to electricity.
  4. – Protect metal with zinc.
  5. – Conducts electricity.
  6. – Study of electrical chemical reactions.
  7. – Oxidation-reduction reaction.
  8. – Charged particle.
  9. – Path for electrons.
  10. – Negative ion.
  11. – Resistance unit.
  12. – Loss of electrons.
  13. – Same as voltaic.
  14. – Completes circuit.
  15. – Generates current spontaneously.
  16. – Electric current unit.
Down
  1. – Opposes current.
  2. – Splitting by electricity.
  3. – Oxidation occurs.
  4. – Reduction occurs.
  5. – Electric potential difference.
  6. – Charge carrier.
  7. – Metal coating via electricity.
  8. – Gain of electrons.
  9. – Electrochemistry pioneer.
  10. – Metal deterioration.
  11. – Positive and negative side.
  12. – Stores chemical energy.
  13. – Positive ion.
  14. – Device generating electricity chemically.

30 Clues: – Negative ion. • – Positive ion. • – Flow of charge. • – Charge carrier. • – Opposes current. • – Resistance unit. • – Same as voltaic. • – Oxidation occurs. • – Reduction occurs. • – Charged particle. • – Gain of electrons. • – Loss of electrons. • – Completes circuit. • – Path for electrons. • – Metal deterioration. • – Conducts electricity. • – Electric current unit. • – Stores chemical energy. • ...

Chapter Bio Key Terms 2023-09-21

Chapter Bio Key Terms crossword puzzle
Across
  1. A substance that is present before a chemical re­action and takes part in it, usually shown on the left­hand side of a chemical equation.
  2. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a mole­cule having negative charge while others are positive.
  3. a measurement of the average speed of the particles within a substance.
  4. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA
  5. the building block of matter; the smallest possible particle of an element.
  6. A class of organic compounds that serve as the building blocks of proteins.
  7. A substance that binds to an enzyme and re­duces its activity, thus slowing a chemical reaction that the enzyme catalyzes
  8. A class of simple organic compounds important in living things as a source of both energy and structure.
  9. A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  10. A class of nonpolar organic compounds that are in­soluble in water and are used for energy storage and cell membranes in living things.
  11. the tendency of energy to disperse and become less available to do work.
  12. The attraction between like particles within polar substances.
  13. An attraction between two atoms as a result of sharing or transferring valence electrons.
Down
  1. the physical stuff that makes up the universe. Anything that occupies space and has mass.
  2. A covalently bonded compound con­taining the element carbon.
  3. A naturally occurring catalyst, usually a protein.
  4. A substance that changes the rate of a chemical re­action but is not itself used up or affected by the reaction.
  5. The smallest particle of a The smallest particle of a covalently bonded compound.
  6. A substance that can produce hydroxide ions (OH)­ accept hydrogen ions (H+) in solution.
  7. An organic compound comprised of the ele­ments carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
  8. The attraction of particles in one substance for particles in a different substance.
  9. the ability to do work. Especially in biology, the driver of the physical and chemcial processes necessary for life.
  10. A change in a substance that does not change the identity of the substance.
  11. A pure substance made from two or more elements that are chemically combined.
  12. a pure substance made of only one kind of atom.
  13. A substance that can produce hydrogen ions (H+) solution. .
  14. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion
  15. The substances formed during a chemical reaction, usually indicated on the right­hand side of a chemical equation

28 Clues: a pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • A covalently bonded compound con­taining the element carbon. • The attraction between like particles within polar substances. • A substance that can produce hydrogen ions (H+) solution. . • ...

Word Wall Words #3 2024-12-04

Word Wall Words #3 crossword puzzle
Across
  1. A substance made of two or more different elements chemically combined in a specific ratio or proportion.
  2. A mixture that features distinct components that can be easily seen and sorted.
  3. A reaction that absorbs energy.
  4. Non-living things
  5. The attraction between ions with opposite charges. The atoms gain or lose electrons to form a chemical bond.
  6. The practice of using less of a resource so that it can last longer.
  7. A pure substance that cannot be broken down into other substances by chemical or physical means.
  8. Next to or near something
  9. A mixture that often looks the same throughout the entire mixture.
  10. The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
  11. The variable that changes as a result of the independent variable manipulation.
  12. The average annual conditions of temperature, precipitation, winds, and clouds in an area.
  13. To tell by saying or writing how something looks, smells, sounds, feels, or tastes like
  14. The measurement of how much mass of a substance is contained in a given volume.
  15. A reaction that releases energy, usually in the form of heat.
Down
  1. The capacity to create and maintain healthy, equitable, and diverse communities and ecosystems.
  2. A measure of how much matter is in an object.
  3. To suggest a conclusion by looking at information
  4. Substance that is released or discharged into the air.
  5. The universal measuring system based on units of tens.
  6. Able to be changed or adapted.
  7. A chemical bond formed when two atoms share electrons to form a chemical bond.
  8. A substance formed as a result of a chemical reaction.
  9. The variable you manipulate or vary in an experimental study to explore its effects.
  10. A mixture containing a solvent and at least one solute that has the same properties throughout; a mixture in which one substance dissolves another.
  11. The use of symbols to represent ideas or qualities.
  12. The amount of space that matter occupies.
  13. The electrons that are in the highest energy level of an atom and that are involved in chemical bonding.
  14. A neutral group of two or more atoms held together by covalent bonds.
  15. A simplified representation of a system or phenomenon used to describe the system or explain the phenomenon.
  16. Differences in the living things of an environment.

31 Clues: Non-living things • Next to or near something • Able to be changed or adapted. • A reaction that absorbs energy. • The amount of space that matter occupies. • A measure of how much matter is in an object. • To suggest a conclusion by looking at information • The use of symbols to represent ideas or qualities. • Differences in the living things of an environment. • ...

Secondary 2 Science Fun 2024-10-12

Secondary 2 Science Fun crossword puzzle
Across
  1. - The force that attracts two bodies towards one another, due to their mass.
  2. - The study of heat and energy transfer between systems.
  3. - A protein that acts as a biological catalyst to speed up chemical reactions in cells.
  4. - The tendency of an object to resist changes in its state of motion.
  5. - The transfer of heat through a fluid (liquid or gas) caused by molecular motion.
  6. - The repetitive back-and-forth movement in a regular rhythm, such as a pendulum or wave motion.
  7. - A measure of disorder or randomness in a closed system.
  8. - Relating to the interrelation of electric currents or fields and magnetic fields.
  9. - A substance that increases the rate of a chemical reaction without undergoing any change.
  10. - Variants of a particular chemical element that differ in neutron number.
  11. - The process where water is absorbed by plants and released as vapor through small pores in the leaves.
Down
  1. - Refers to concepts and laws defined by Sir Isaac Newton, especially in mechanics and motion.
  2. - Organelles found in cells, known as the powerhouse of the cell where respiration and energy production occur.
  3. - The quantity of motion an object has, calculated as the product of its mass and velocity.
  4. - The combining power of an element, especially in forming compounds or molecules.
  5. - A condition in which all acting influences are balanced in a stable system, particularly in chemical reactions.
  6. - The phase transition of a substance directly from a solid to a gas without passing through the liquid state.
  7. - A measure of a fluid's resistance to flow.
  8. - The ability of an object to float in a fluid due to the upward force exerted by the fluid.
  9. - The process where light energy is converted to chemical energy in plants.
  10. - A chemical reaction that involves the gain of electrons, often associated with the loss of oxygen.
  11. - The chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
  12. - The process by which molecules spread from areas of high concentration to areas of low concentration.
  13. - The process by which plants convert light energy into chemical energy.
  14. - The process in which a substance loses electrons, often associated with the gain of oxygen.

25 Clues: - A measure of a fluid's resistance to flow. • - The study of heat and energy transfer between systems. • - A measure of disorder or randomness in a closed system. • - The tendency of an object to resist changes in its state of motion. • - The process by which plants convert light energy into chemical energy. • ...

Chemistry crossword 2022-12-07

Chemistry crossword crossword puzzle
Across
  1. the amount of heat energy required to raise the temperature of a unit mass of that substance by one degree Celsius
  2. The horizontal rows of the periodic table
  3. ions that are positively charged
  4. Chemical reactions that release energy
  5. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
  6. the eight-electron arrangement in the outer electron shell of the noble-gas atoms
  7. ions that are negatively charged
  8. the exchange of "thermal” energy due to a temperature difference
  9. the number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the nucleus
  10. the core electrons repelling the outer electrons, which lowers the effective charge of the nucleus on the outer electrons
  11. a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light
Down
  1. a column in the periodic table of the chemical elements
  2. Scientific notation is a way to express numbers as the product of two numbers
  3. a class of reactions in which two molecules combine, usually in the presence of a catalyst, with elimination of water or some other simple molecule
  4. a high-temperature redox chemical reaction between a fuel and an oxidant usually atmospheric oxygen that produces oxidize often gaseous products in a mixture termed as smoke
  5. the lowest temperature that is theoretically can be
  6. a group of rare gases that include helium, neon, argon, krypton, xenon, and sometimes radon and that exhibit great stability and extremely low reaction rates
  7. a chemical element that forms a simple substance having properties intermediate between those of a typical metal and a typical nonmetal
  8. A chemical element (such as boron, carbon or nitrogen) that lacks metal properties and is capable of forming anions, acid oxides, acids, and stable hydrogen compounds
  9. chemical reactions in which the reactants absorb heat energy from the surroundings to form products
  10. any of the six nonmetallic elements that constitute Group 17

21 Clues: ions that are positively charged • ions that are negatively charged • Chemical reactions that release energy • The horizontal rows of the periodic table • the lowest temperature that is theoretically can be • a column in the periodic table of the chemical elements • any of the six nonmetallic elements that constitute Group 17 • ...

UOI & Math 2017-11-08

UOI & Math crossword puzzle
Across
  1. control ____, independent ___, dependent ___
  2. when someone does a wrong thing and you ____
  3. grit
  4. smart
  5. somebody who does experiments that relly change the world
  6. you want to find out something
  7. another name for the split strategy
  8. a portioln of matter
  9. When you feel grateful for something
  10. what a stimulus causes
  11. tricks to help you remember things
Down
  1. chemical and ____
  2. bigger things that make up the world
  3. _____ variable
  4. things that make up the world
  5. has gratitude in it
  6. part of character strengths and it has humility
  7. the way things work
  8. solid, ____, gas
  9. physical and _____
  10. the science of living things (like us!)

21 Clues: grit • smart • _____ variable • solid, ____, gas • chemical and ____ • physical and _____ • has gratitude in it • the way things work • a portioln of matter • what a stimulus causes • things that make up the world • you want to find out something • tricks to help you remember things • another name for the split strategy • bigger things that make up the world • ...

Crossword 2024-09-17

Crossword crossword puzzle
Across
  1. สารที่ใช้สำหรับทำความสะอาด ประกอบด้วยเกลือของกรดไขมัน
  2. สารที่สามารถรับไฮโดรเจนไอออนหรือปล่อยไฮดรอกไซด์ไอออนในสารละลาย
  3. สารประกอบเคมีที่ประกอบด้วยธาตุไฮโดรเจนและคาร์บอนเท่านั้น เช่น มีเทน
  4. สารที่เกิดขึ้นจากปฏิกิริยาเคมี
  5. reaction กระบวนการที่สารตั้งต้นเปลี่ยนไปเป็นผลิตภัณฑ์ใหม่
  6. ปฏิกิริยาระหว่างกรดกับเบสที่ทำให้เกิดเกลือและน้ำ
  7. decay กระบวนการที่ธาตุกัมมันตรังสีสลายตัวไปเป็นธาตุใหม่และปล่อยรังสี
  8. ปฏิกิริยาที่สารรวมตัวกับออกซิเจนและปล่อยพลังงานออกมาในรูปของความร้อนและแสง
  9. acid กรดที่เกิดจากไขมัน ประกอบด้วยหมู่กรดคาร์บอกซิลิกและสายคาร์บอน
  10. สารที่ช่วยลดการเกิดปฏิกิริยาออกซิเดชันในร่างกาย ซึ่งอาจทำลายเซลล์
  11. การแยกนิวเคลียสอะตอมออกเป็นสองส่วนและปลดปล่อยพลังงาน
  12. สารที่เข้าร่วมในปฏิกิริยาเคมี
  13. อะตอมของธาตุเดียวกันที่มีจำนวนโปรตอนเท่ากัน แต่จำนวนนิวตรอนต่างกัน
  14. acid หน่วยโครงสร้างพื้นฐานของโปรตีน ประกอบด้วยหมู่อะมิโน และหมู่กรดคาร์บอกซิลิก
  15. สถานะที่ปฏิกิริยาไปข้างหน้าและย้อนกลับเกิดขึ้นพร้อมกันในอัตราเท่ากัน
  16. สารอาหารประเภทน้ำตาลและแป้ง เป็นแหล่งพลังงานหลักของร่างกาย
  17. ปฏิกิริยาที่สารสองหรือมากกว่ามารวมกันเป็นสารประกอบใหม่
  18. การสูญเสียอิเล็กตรอนหรือการรวมตัวกับออกซิเจนในปฏิกิริยาเคมี
Down
  1. กระบวนการที่อะตอมหรือโมเลกุลเปลี่ยนไปเป็นไอออนโดยการเพิ่มหรือลดอิเล็กตรอน
  2. สารประกอบเคมีที่มีหมู่ไฮดรอกซิล เช่น เอทานอล
  3. สารที่มีรสเปรี้ยว สามารถปล่อยไฮโดรเจนไอออนในสารละลาย
  4. การได้รับอิเล็กตรอนหรือการลดออกซิเจนในปฏิกิริยาเคมี
  5. ปฏิกิริยาที่สารประกอบแตกตัวเป็นสารใหม่ที่ง่ายกว่า
  6. เบสที่สามารถละลายในน้ำได้ เช่น โซเดียมไฮดรอกไซด์
  7. ค่าแสดงความเป็นกรด-เบสในสารละลาย มีค่าตั้งแต่ 0-14 โดยค่าต่ำกว่า 7 แสดงว่าเป็นกรด และสูงกว่า 7 เป็นเบส
  8. สารประกอบที่เกิดจากการรวมกันของกรดกับแอลกอฮอล์ มีกลิ่นหอม ใช้ในอุตสาหกรรมเครื่องหอมและสารแต่งกลิ่น
  9. สารประกอบที่เกิดจากการเชื่อมต่อของโมเลกุลเล็กๆ ซ้ำๆ กัน เช่น พลาสติก
  10. กระบวนการแยกสารประกอบด้วยกระแสไฟฟ้า
  11. พอลิเมอร์ชนิดหนึ่งที่มีลักษณะยืดหยุ่น สามารถหล่อเป็นรูปร่างต่างๆ ได้
  12. สารประกอบที่เกิดจากปฏิกิริยาระหว่างกรดและเบส เช่น เกลือแกง
  13. สารที่เพิ่มความเร็วของปฏิกิริยาเคมีโดยไม่ถูกเปลี่ยนแปลงในกระบวนการ
  14. โปรตีนที่ทำหน้าที่เร่งปฏิกิริยาเคมีในสิ่งมีชีวิต
  15. สารอาหารที่ร่างกายต้องการในปริมาณน้อย เพื่อช่วยในการทำงานของระบบต่างๆ ในร่างกาย
  16. สารที่ใช้ทำความสะอาด เช่น น้ำยาล้างจานและผงซักฟอก
  17. สารที่แยกตัวออกมาในรูปของแข็งจากสารละลาย
  18. เวลาที่ใช้ให้ธาตุกัมมันตรังสีลดลงครึ่งหนึ่งจากปริมาณเริ่มต้น
  19. กระบวนการรวมตัวของนิวเคลียสอะตอมเพื่อเกิดเป็นอะตอมใหม่และปลดปล่อยพลังงาน
  20. น้ำตาลชนิดหนึ่งที่เป็นแหล่งพลังงานหลักของร่างกาย
  21. สารอาหารสำคัญที่สร้างจากกรดอะมิโน ช่วยในการซ่อมแซมและสร้างเนื้อเยื่อในร่างกาย
  22. reaction ปฏิกิริยาที่เกิดขึ้นพร้อมกันทั้งการออกซิเดชันและการรีดักชัน

40 Clues: สารที่เข้าร่วมในปฏิกิริยาเคมี • สารที่เกิดขึ้นจากปฏิกิริยาเคมี • กระบวนการแยกสารประกอบด้วยกระแสไฟฟ้า • สารที่แยกตัวออกมาในรูปของแข็งจากสารละลาย • สารประกอบเคมีที่มีหมู่ไฮดรอกซิล เช่น เอทานอล • เบสที่สามารถละลายในน้ำได้ เช่น โซเดียมไฮดรอกไซด์ • ปฏิกิริยาระหว่างกรดกับเบสที่ทำให้เกิดเกลือและน้ำ • โปรตีนที่ทำหน้าที่เร่งปฏิกิริยาเคมีในสิ่งมีชีวิต • ...

Chemical reaction measurements 2014-06-09

Chemical reaction measurements crossword puzzle
Across
  1. reactions / The least reliable method
  2. / Rate measured at certain instant
  3. / The gas too light to be measured in changes in chemical reactions
Down
  1. /Rate of reaction is increase in concentration of ---- or decrease in concentration of reactants per unit time
  2. syringe / Measures the volume of gas
  3. / Device measuring the absorbance of light

6 Clues: / Rate measured at certain instant • syringe / Measures the volume of gas • reactions / The least reliable method • / Device measuring the absorbance of light • / The gas too light to be measured in changes in chemical reactions • /Rate of reaction is increase in concentration of ---- or decrease in concentration of reactants per unit time

energetics 2023-03-20

energetics crossword puzzle
Across
  1. positive enthalpy change
  2. reactions that release energy as heat
  3. energy needed to start the reaction
  4. reactions that absorb heat from the surrounding
Down
  1. the overal energy change in a chemical reaction
  2. the energy required to break the bond
  3. reaction between an acid and base
  4. device used to measure energy released in a reaction
  5. negative enthalphy change
  6. measure of the average kinetic energy of the molecules

10 Clues: positive enthalpy change • negative enthalphy change • reaction between an acid and base • energy needed to start the reaction • the energy required to break the bond • reactions that release energy as heat • the overal energy change in a chemical reaction • reactions that absorb heat from the surrounding • device used to measure energy released in a reaction • ...

Chapter 2 Vocabulary (Iris Niang) 2023-09-21

Chapter 2 Vocabulary (Iris Niang) crossword puzzle
Across
  1. A change in a substance that results in one or more new substances being formed that have dif­ferent physical and chemical properties than those of the original substance.
  2. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
  3. The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
  4. A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
  5. A class of simple organic compounds important in living things as a source of both energy and structure.
  6. An organic compound comprised of the ele­ments carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
  7. The attraction between like particles within polar substances.
  8. A substance that changes the rate of a chemical re­action but is not itself used up or affected by the reaction.
  9. The substances formed during a chemical reaction, usually indicated on the right­hand side of a chemical equation.
  10. The smallest particle of a covalently bonded com­pound.
  11. A substance that can produce hydroxide ions or­ accept hydrogen ions in a solution.
  12. A substance that can produce hydrogen ions in a solution.
  13. The tendency of energy to disperse and become less available to do work.
  14. A pure substance made of only one kind of atom.
  15. A substance that binds to an enzyme and re­duces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
  16. A substance that is present before a chemical re­action and takes part in it, usually shown on the left­-hand side of a chemical equation.
  17. The process by which one substance, the sol­ ute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
  18. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
Down
  1. A pure substance made from two or more ele­ments that are chemically combined.
  2. A covalently bonded compound con­ taining the element carbon.
  3. The building block of matter; the smallest possible particle of an element.
  4. A measurement of the average speed of the particles within a substance.
  5. A change in a substance that does not change the identity of the substance (e.g., a change of form or state).
  6. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a mole­cule having negative charge while others are positive.
  7. A naturally occurring catalyst, usually a protein.
  8. An attraction between two atoms as a result of shar­ing or transferring valence electrons.
  9. The attraction of particles in one substance for particles in a different substance.
  10. The physical stuff that makes up the universe. Anything that occupies space and has mass.
  11. A class of organic compounds that serve as the building blocks of proteins.

29 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The smallest particle of a covalently bonded com­pound. • A substance that can produce hydrogen ions in a solution. • A covalently bonded compound con­ taining the element carbon. • The attraction between like particles within polar substances. • ...

Chapter 2 crossword puzzle - Kivrin Haines 2018-10-11

Chapter 2 crossword puzzle - Kivrin Haines crossword puzzle
Across
  1. A pure substance made of only one kind of atom.
  2. A class of organic compounds that serve as the building blocks of proteins.
  3. A measurement of the average speed of the particles within a substance.
  4. A substance that is present before a chemical re­ action and takes part in it, usually shown on the left­hand side of a chemical equation.
  5. A class of nonpolar organic compounds that are in­ soluble in water and are used for energy storage and cell membranes in living things.
  6. An organic compound comprised of the ele­ ments carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
  7. A change in a substance that does not change the identity of the substance (e.g., a change of form or state).
  8. The tendency of energy to disperse and become less available to do work.
  9. The substances formed during a chemical reaction, usually indicated on the right­hand side of a chemical equation.
  10. The attraction between like particles within polar substances
Down
  1. The attraction of particles in one substance for particles in a different substance.
  2. A naturally occurring catalyst, usually a protein.
  3. An attraction between two atoms as a result of shar­ ing or transferring valence electrons.
  4. A change in a substance that results in one or more new substances being formed that have dif­ ferent physical and chemical properties than those of the original substance.
  5. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
  6. A substance that changes the rate of a chemical re­ action but is not itself used up or affected by the reaction.
  7. A pure substance made from two or more ele­ ments that are chemically combined.
  8. A class of simple organic compounds important in living things as a source of both energy and structure.
  9. The building block of matter; the smallest possible particle of an element.
  10. The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.

20 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The attraction between like particles within polar substances • A measurement of the average speed of the particles within a substance. • The tendency of energy to disperse and become less available to do work. • ...

Vocabulary Words and Definitions 2023-09-26

Vocabulary Words and Definitions crossword puzzle
Across
  1. A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  2. The amount of space that a substance or object occupies.
  3. Water which collects as droplets on a cold surface when humid air is in contact with it.
  4. The degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
  5. A body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.
  6. The basic unit of a chemical element.
  7. A substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape.
  8. The SI unit of mass (equivalent to approximately 2.205 lb), first introduced as a unit of mass for the metric system.
  9. Continuous physical force exerted on or against an object by something in contact with it.
  10. A particular kind of matter with uniform properties.
  11. Firm and stable in shape; not liquid or fluid.
Down
  1. The degree of compactness of a substance.
  2. A tabular array of the chemical elements organized by atomic number.
  3. Anything that takes up space and can be weighed.
  4. A characteristic of matter that can only be observed and measured by performing a chemical reaction or chemical change.
  5. A substance that cannot be broken down into simpler substances by chemical means.
  6. The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.
  7. A substance that flows freely but is of constant volume.
  8. The measure of the amount of matter in a body.
  9. A characteristic of a substance that can be observed or measured without changing the identity of the substance.

20 Clues: The basic unit of a chemical element. • The degree of compactness of a substance. • The measure of the amount of matter in a body. • Firm and stable in shape; not liquid or fluid. • Anything that takes up space and can be weighed. • A particular kind of matter with uniform properties. • The amount of space that a substance or object occupies. • ...

Chemistry 2024-12-05

Chemistry crossword puzzle
Across
  1. Substances made up of only one type of atom or molecule
  2. The amount of matter in an object
  3. A theory that explains the behavior of matter in terms of the motion of its particles
  4. Properties that can be measured (e.g., mass, volume, temperature)
  5. The smallest unit of an element that maintains the properties of that element
  6. Changes that alter the chemical composition of a substance
  7. The process of a substance changing directly from a solid to a gas
  8. A well-tested explanation for a set of observations or phenomena
  9. A negatively charged subatomic particle
  10. Properties that describe how a substance reacts with other substances
  11. A pure substance made up of two or more different types of atoms chemically combined
  12. The central part of an atom, containing protons and neutrons
  13. particle A particle smaller than an atom (e.g., electron, proton, neutron)
Down
  1. Properties that describe the quality of a substance (e.g., color, odor, texture)
  2. Changes that alter the form of a substance but not its chemical composition
  3. The principle that mass cannot be created or destroyed in a chemical reaction
  4. A state of matter with no definite shape or volume
  5. Properties that can be observed or measured without changing the substance’s chemical identity
  6. A pure substance made up of only one type of atom
  7. The process of a liquid changing to a gas
  8. The amount of mass in a given volume of a substance
  9. The amount of space an object occupies
  10. The process of a gas changing to a liquid
  11. A positively charged subatomic particle
  12. A state of matter with a definite shape and volume
  13. Substances that undergo a chemical change
  14. The process of a substance changing directly from a gas to a solid
  15. Anything that has mass and takes up space
  16. A simplified representation of a real-world system
  17. A state of matter with a definite volume but no definite shape
  18. A neutral subatomic particle
  19. Substances formed as a result of a chemical reaction

32 Clues: A neutral subatomic particle • The amount of matter in an object • The amount of space an object occupies • A positively charged subatomic particle • A negatively charged subatomic particle • The process of a liquid changing to a gas • The process of a gas changing to a liquid • Substances that undergo a chemical change • Anything that has mass and takes up space • ...

chemistry vocab unit 1 2024-08-14

chemistry vocab unit 1 crossword puzzle
Across
  1. requires heat absorption
  2. basic unit of chemical element
  3. stable and firm
  4. change during a reaction
  5. needs movement from an effect
  6. flows freely
  7. doesn't have a lot of metal properties
  8. ionized gas
Down
  1. chemical element that has properties in between
  2. release of heat
  3. 2 or more separate elements
  4. flows freely with some volume
  5. aspect of something abstract
  6. measured of/by inertia
  7. a substance that has mass and takes up space

15 Clues: ionized gas • flows freely • release of heat • stable and firm • measured of/by inertia • requires heat absorption • change during a reaction • 2 or more separate elements • aspect of something abstract • flows freely with some volume • needs movement from an effect • basic unit of chemical element • doesn't have a lot of metal properties • a substance that has mass and takes up space • ...

Chapter Three Crossword 2019-03-30

Chapter Three Crossword crossword puzzle
Across
  1. An enzyme's active site has a very specific shape that allows a specific molecule to fit.
  2. The inhibitor binds to the enzyme's active site.
  3. The inhibitor does not permanently stop the enzyme from functioning.
  4. What is left after the enzyme and substrate bind.
  5. The substance on which the enzyme acts.
  6. Protein molecules that act as biological catalysts.
  7. Operating outside the cell.
Down
  1. Operating within the cell.
  2. A region on an enzyme that binds to a protein or substrate.
  3. A measure of acidity in a substance.
  4. The intermediate formed when a substrate interacts with the active site of an enzyme.
  5. The minimum energy required to allow a chemical reaction.
  6. To alter the structure a protein by breaking the bonds.
  7. A substance which prevents an enzyme from functioning in a normal manner.
  8. To prevent an enzyme from functioning in a normal manner.
  9. A process that uses the conditions of one component to regulate the activity of another.
  10. The reaction product inhibits the enzyme's activity.
  11. An enzyme that is attached to a inert, insoluble subtance.
  12. The maximum rate of reaction when the enzyme is saturated with substrate.
  13. The number of chemical conversations of the substrate molecules per second at a catalytic site.

20 Clues: Operating within the cell. • Operating outside the cell. • A measure of acidity in a substance. • The substance on which the enzyme acts. • The inhibitor binds to the enzyme's active site. • What is left after the enzyme and substrate bind. • Protein molecules that act as biological catalysts. • The reaction product inhibits the enzyme's activity. • ...

Chemistry Crossword 2017-11-09

Chemistry Crossword crossword puzzle
Across
  1. a substance that reacts with another substance to make a product
  2. most stable elements on the periodic table
  3. chemical combination of two or more elements
  4. the centre of an atom
  5. colourless, odorless gas which is very deadly
  6. the most reactive metals on the periodic table
  7. the amount of mass in a given volume of a substance
  8. a reaction that takes place when 2 different materials combine to make a new one
  9. the slow reaction that requires oxygen
  10. an atom electrically charged because it has lost or gained electrons
  11. anything that has mass and occupies space
Down
  1. description of an item that can be rolled into thin sheets
  2. a chemical reaction that is sudden and requires oxygen
  3. an irreversible change that creates a new substance
  4. a new substance created when 2 or more reactants react
  5. dull, brittle element that doesn't conduct electricity
  6. the mass of one atom of an element
  7. the most reactive non-metals on the periodic table
  8. the ability for an element to be turned into a wire
  9. the building blocks once called "atomos"
  10. number of protons and electrons in an atom
  11. symbols that represent a compound
  12. element with both metallic and non-metal properties
  13. a neutral particle in a nucleus
  14. a cloudy mixture which cannot be easily separated

25 Clues: the centre of an atom • a neutral particle in a nucleus • symbols that represent a compound • the mass of one atom of an element • the slow reaction that requires oxygen • the building blocks once called "atomos" • anything that has mass and occupies space • most stable elements on the periodic table • number of protons and electrons in an atom • ...

damm 2022-08-24

damm crossword puzzle
Across
  1. the time value of money has been integrated into investment evaluation system by means of......
  2. the chemical engineer must never lose sight of the practical limitations involved in a.....
  3. ..... location is final geographic location of industry.
  4. the minimum concentration of fuel in air required for ignition at ambient temp. is known as the .....
  5. generation of solution structure corresponding to the combinatorially feasible reaction networks as the solution structure with algorithm.....
  6. most separation process results in ...... product streams
  7. it is a small scale replica of final plant.
  8. Fault tree analysis is also called .....
  9. generation of the maximal structure corresponding to the maximal reaction network with Algorithm.......
  10. one measure of profitability is often used is the...
  11. a measure of the ability of a waste component to consume the oxygen desolved in water is known as .....
Down
  1. the last general design task is to establish correct ...... and piping layouts.
  2. steam and ..... requirements are higher in plant
  3. In ..... chemical reaction propagates at supersonic velocity
  4. a qualitative flow ....... is important for a plant design
  5. the hazard and operability study is known as......
  6. the principal function of most ...... audits in the past has been to verify the adequancy of safety equipment and rules.
  7. the characteristic of proposed land is known as ...... characteristic
  8. avoidance of potential ...... is important
  9. In Hazop study quantitave decrease is called as a word .....

20 Clues: Fault tree analysis is also called ..... • avoidance of potential ...... is important • it is a small scale replica of final plant. • steam and ..... requirements are higher in plant • the hazard and operability study is known as...... • one measure of profitability is often used is the... • ..... location is final geographic location of industry. • ...

Chemical Reactions and Equations 2024-05-02

Chemical Reactions and Equations crossword puzzle
Across
  1. A reaction in which energy is absorbed
  2. Another name for Calcium Hydroxide
  3. Process which involves gain of oxygen or loss of hydrogen
  4. Colour of ferrous sulphate heptahydrate crystals
  5. The process in which new substances with new properties are formed
  6. Reactions in which a compound splits up into two or more simpler substances are called_________
  7. A metal that is stored under kerosene oil
  8. The chemical reactions between zinc and dilute sulphuric acid is characterized by the evolution of ________
  9. Reaction in which two or more substances combine to form a single substance is called________
Down
  1. A reaction which produces insoluble salts
  2. Colour of lead iodide precipitate
  3. A reaction in which heat is given out along with the products
  4. Another name for Calcium Oxide
  5. Decomposition of silver chloride is caused by__________
  6. To prevent oxidation,bags of chips are flushed with _________
  7. Substance used for whitewashing

16 Clues: Another name for Calcium Oxide • Substance used for whitewashing • Colour of lead iodide precipitate • Another name for Calcium Hydroxide • A reaction in which energy is absorbed • A reaction which produces insoluble salts • A metal that is stored under kerosene oil • Colour of ferrous sulphate heptahydrate crystals • ...

Chapter 13 Crossword Morgan Leonhardt 2021-11-29

Chapter 13 Crossword Morgan Leonhardt crossword puzzle
Across
  1. AB+C->AC+B is an example of what type of reaction
  2. AB->A+B is an example of what type of reaction
  3. AB+CD->AD+CB is an example of what type of reaction
  4. In an ___ reaction there is a net absorption of energy
  5. AB+oxygen->oxides of A and B is an example of what type of reaction
Down
  1. When reaction and its reverse act at the same rate
  2. Bond Energy is also known as
  3. In an ____ reaction there is a net release of energy
  4. A+B->AB is an example of what type of reaction
  5. A substance that lowers the activation energy of a chemical reaction, which allows for the reaction to proceed at a faster rate

10 Clues: Bond Energy is also known as • A+B->AB is an example of what type of reaction • AB->A+B is an example of what type of reaction • AB+C->AC+B is an example of what type of reaction • When reaction and its reverse act at the same rate • AB+CD->AD+CB is an example of what type of reaction • In an ____ reaction there is a net release of energy • ...

STATES OF MATTER 2024-02-06

STATES OF MATTER crossword puzzle
Across
  1. atoms moving in all directions at high speed
  2. juice in a glass
  3. example of chemical change
  4. allows for electrical charges
  5. solid turns into a liquid
  6. a reaction where heat is released
  7. ability to stretch solids
  8. CREATED, example of vinegar and baking soda
  9. liquid turns into a gas
  10. vibrates in a fixed position
  11. liquid turns into a solid
  12. the ease of shaping solids
Down
  1. a solid turns into a gas
  2. thickness of a liquid
  3. when a smelly fart drops
  4. using gas to power tools
  5. gas turns into a luquid
  6. makes for good building material
  7. a liquid taking the shape of a container
  8. a reaction where hat is absorbed

20 Clues: juice in a glass • thickness of a liquid • gas turns into a luquid • liquid turns into a gas • a solid turns into a gas • when a smelly fart drops • using gas to power tools • solid turns into a liquid • ability to stretch solids • liquid turns into a solid • example of chemical change • the ease of shaping solids • vibrates in a fixed position • allows for electrical charges • ...

275 2025-11-15

275 crossword puzzle
Across
  1. Converts light to electricity
  2. Agent that accepts electrons
  3. Agent that donates electrons
  4. Opposition to electric flow
  5. Partly conducts electricity
  6. Flow of electric charge
  7. Decomposition using electricity
  8. Conductive solution in a cell
  9. Rapid reaction with oxygen
  10. Electrode where reduction occurs
  11. Unit of resistance
  12. Electrical potential difference
Down
  1. Positive nuclear particle
  2. Electrode where oxidation occurs
  3. Conductor in an electric cell
  4. Reaction involving electron transfer
  5. Regions where electrons exist
  6. Gradual metal breakdown by oxidation
  7. Path for electric current
  8. Negative atomic particle
  9. Allows current to flow easily
  10. Blocks flow of electric current
  11. Neutral nuclear particle
  12. Device converting chemical to electrical energy
  13. Single unit of electrochemical system

25 Clues: Unit of resistance • Flow of electric charge • Negative atomic particle • Neutral nuclear particle • Positive nuclear particle • Path for electric current • Rapid reaction with oxygen • Opposition to electric flow • Partly conducts electricity • Agent that accepts electrons • Agent that donates electrons • Converts light to electricity • Conductor in an electric cell • ...

11 2025-11-24

11 crossword puzzle
Across
  1. Converts light to electricity
  2. Agent that accepts electrons
  3. Agent that donates electrons
  4. Opposition to electric flow
  5. Partly conducts electricity
  6. Flow of electric charge
  7. Decomposition using electricity
  8. Conductive solution in a cell
  9. Rapid reaction with oxygen
  10. Electrode where reduction occurs
  11. Unit of resistance
  12. Electrical potential difference
Down
  1. Positive nuclear particle
  2. Electrode where oxidation occurs
  3. Conductor in an electric cell
  4. Reaction involving electron transfer
  5. Regions where electrons exist
  6. Gradual metal breakdown by oxidation
  7. Path for electric current
  8. Negative atomic particle
  9. Allows current to flow easily
  10. Blocks flow of electric current
  11. Neutral nuclear particle
  12. Device converting chemical to electrical energy
  13. Single unit of electrochemical system

25 Clues: Unit of resistance • Flow of electric charge • Negative atomic particle • Neutral nuclear particle • Positive nuclear particle • Path for electric current • Rapid reaction with oxygen • Opposition to electric flow • Partly conducts electricity • Agent that accepts electrons • Agent that donates electrons • Converts light to electricity • Conductor in an electric cell • ...

Rates of Reaction lesson 2021-10-13

Rates of Reaction lesson crossword puzzle
Across
  1. area This factor increases the rate of reaction. Powder has a greater___________than small and large chips
  2. Is a biological catalyst
  3. This is measured using a stop watch to find out the rate of reaction
  4. When reactant particles bump into each other
  5. A substance that is formed in a chemical reaction. Formed after a successful collision.
  6. The number of times per second
Down
  1. This factor increases the rate of reaction and is used to define the amount of particles in a certain volume
  2. This speeds up the rate of the reaction without being used up in the reaction
  3. This factor increases the rate of reaction by making the particles move around quicker. This means they collide more frequently and with more energy.
  4. A substance that takes part in and undergoes change during a reaction. These particles collide during a reaction
  5. The speed of the reaction

11 Clues: Is a biological catalyst • The speed of the reaction • The number of times per second • When reactant particles bump into each other • This is measured using a stop watch to find out the rate of reaction • This speeds up the rate of the reaction without being used up in the reaction • ...

Science: Matter and Chemical Change 2014-11-10

Science: Matter and Chemical Change crossword puzzle
Across
  1. the Law of ________ of Mass
  2. an atom or group of atoms that become electrically charges because it has lost or gained electrons
  3. organic catalysts
  4. positively charged particles
  5. a chemical reaction that takes place in the cells of your body
  6. a pure substance that cannot be broken down into other substances
  7. supported the idea that everything was made up of the 4 elements
  8. substance that strongly resists the flow of electricity
  9. occurs when oxygen reacts with metal, a chemical reaction in which the metal is decomposed
  10. Father of Modern Chemistry
  11. characteristics that can be used to describe a substance
  12. neutral particles
  13. occurs when oxygen reacts to another substance to form a new substance and releases energy
Down
  1. most reactive of the metals
  2. the 18 columns on the Periodic Table of Elements
  3. ______ systems is an experiment in which reactants and products can not escape
  4. stated each type of material was made up of a different type of atomos
  5. published by Andreas Libau in 1597, it describes the achievements of alchemists
  6. substances that helps reaction proceed faster
  7. compound formed when 2 non-metals combine
  8. experimented with the behaviour of gases
  9. the mass of one of an element
  10. Workplace Hazardous Material Information System
  11. the rows in the Periodic Table of Elements
  12. represents the number of atoms
  13. has the element symbol Br

26 Clues: organic catalysts • neutral particles • has the element symbol Br • Father of Modern Chemistry • most reactive of the metals • the Law of ________ of Mass • positively charged particles • the mass of one of an element • represents the number of atoms • experimented with the behaviour of gases • compound formed when 2 non-metals combine • the rows in the Periodic Table of Elements • ...

Crossword puzzle 2022-08-24

Crossword puzzle crossword puzzle
Across
  1. avoidance of potential ...... is important
  2. the chemical engineer must never lose sight of the practical limitations involved in a.....
  3. the principal function of most ...... audits in the past has been to verify the adequancy of safety equipment and rules.
  4. steam and ..... requirements are higher in plant
  5. ..... location is final geographic location of industry.
  6. the minimum concentration of fuel in air required for ignition at ambient temp. is known as the .....
  7. the time value of money has been integrated into investment evaluation system by means of......
  8. the last general design task is to establish correct ...... and piping layouts.
  9. In ..... chemical reaction propagates at supersonic velocity
Down
  1. the hazard and operability study is known as......
  2. generation of the maximal structure corresponding to the maximal reaction network with Algorithm.......
  3. a qualitative flow ....... is important for a plant design
  4. In Hazop study quantitave decrease is called as a word .....
  5. Fault tree analysis is also called .....
  6. it is a small scale replica of final plant.
  7. most separation process results in ...... product streams
  8. a measure of the ability of a waste component to consume the oxygen desolved in water is known as .....
  9. one measure of profitability is often used is the...
  10. generation of solution structure corresponding to the combinatorially feasible reaction networks as the solution structure with algorithm.....
  11. the characteristic of proposed land is known as ...... characteristic

20 Clues: Fault tree analysis is also called ..... • avoidance of potential ...... is important • it is a small scale replica of final plant. • steam and ..... requirements are higher in plant • the hazard and operability study is known as...... • one measure of profitability is often used is the... • ..... location is final geographic location of industry. • ...

Chapter Two Crossword 2019-03-30

Chapter Two Crossword crossword puzzle
Across
  1. A colorless, volatile, flammable liquid produced in the natural fermentation of sugars.
  2. Gains electrons in a reaction.
  3. Cx(H2O)y
  4. The sum of all the biochemical reactions in the body.
  5. A substance whose molecule is made up of a glycerol molecule, two fatty acids, and a phosphate group.
  6. A sugar molecule consisting of two monosaccharides joined together by a glycosidic bond.
  7. An organic compound derived from the replacement of hydrogen atoms by organic groups
  8. A complex molecule is broken down; involving the addition of water.
  9. A colorless, volatile liquid produced in the fermentation of sugars.
  10. The chemical released in a reaction between an acid and an alcohol.
Down
  1. Any of a large group of organic compounds in foods and living tissues, including sugars.
  2. The joining of two monosaccharides.
  3. A polymer whose subunits are monosaccharides joined together by glycosidic bonds.
  4. Looks at chemical reactions of biological molecules.
  5. Any of a class of organic compounds that are fatty acids, and are insoluble in water but soluble in organic solvents.
  6. A molecule consisting of a single sugar until within the General Formula.
  7. A giant molecule made up of smaller, repeating subunits linked together in a chain.
  8. Loses electrons in a reaction.
  9. A lipid made up of a glycerol molecule and three fatty acids.
  10. A relatively simple molecule used as the basic building block for more complex molecules (polymers).

20 Clues: Cx(H2O)y • Gains electrons in a reaction. • Loses electrons in a reaction. • The joining of two monosaccharides. • Looks at chemical reactions of biological molecules. • The sum of all the biochemical reactions in the body. • A lipid made up of a glycerol molecule and three fatty acids. • A complex molecule is broken down; involving the addition of water. • ...

Chem Recap - HL 2024-08-21

Chem Recap - HL crossword puzzle
Across
  1. - The mass of one mole of a substance.
  2. - The energy associated with a chemical reaction that can be used to do work.
  3. - Elements found in the d-block of the periodic table, known for forming colored compounds.
  4. - An equation that links the rate of reaction to the concentration of reactants.
  5. - Atoms and ions that have the same number of electrons.
  6. - A measure of an atom's ability to attract and bond with electrons.
  7. - Weak forces of attraction between molecules.
Down
  1. - The three-dimensional arrangement of atoms in a molecule.
  2. - The energy required to remove an electron from a gaseous atom or ion.
  3. - The energy required to break a bond in a molecule.
  4. - The number of atoms or molecules in one mole of a substance.
  5. - Patterns in the periodic table that show the variations of properties across elements.
  6. - The minimum amount of energy required for a chemical reaction to occur.
  7. - The process of mixing atomic orbitals in a molecule to form new hybrid orbitals.
  8. - The energy required to separate one mole of a solid ionic compound into its gaseous ions.
  9. - A type of covalent bond where electrons are unequally shared between atoms.
  10. - The total charge of all the protons in the nucleus.
  11. - A transition metal ion binds with this species to form a complex ion.
  12. - A measure of the disorder or randomness in a system.
  13. - Heat inside.

20 Clues: - Heat inside. • - The mass of one mole of a substance. • - Weak forces of attraction between molecules. • - The energy required to break a bond in a molecule. • - The total charge of all the protons in the nucleus. • - A measure of the disorder or randomness in a system. • - Atoms and ions that have the same number of electrons. • ...

Exam 2 Crossword 2024-10-18

Exam 2 Crossword crossword puzzle
Across
  1. energy that matter possesses because of its location
  2. the gain of electrons by a reactant
  3. partial degradation of sugars
  4. binds to one of the enzyme subunits and stabilizes the active form of the enzyme
  5. binds to one of the enzyme subunits and stabilizes the inactive form of the enzyme
  6. energy that matter possesses because of its chemical structure
  7. more concentrated to where it is less concentrated
  8. reactions that break down complex molecules
  9. “Splits” 1 glucose into 2 pyruvic acid
Down
  1. energy that can perform work when temperature and pressure are uniform throughout the system
  2. the reactant(s) that an enzyme acts on
  3. a reaction that absorbs free energy
  4. a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids
  5. the loss of electrons from a reactant
  6. a protein that speeds up a reaction without being consumed by it
  7. the energy associated with the relative motion of objects
  8. the diffusion of water across a cell membranes
  9. the energy associated with the movement of atoms or molecules
  10. less concentrated to more concentrated
  11. immediate source of energy that powers cellular work
  12. reactions that build up complex molecules
  13. Requires O2
  14. Does no require O2
  15. helps the membrane resist changes in fluidity when the temperature changes
  16. a reaction that releases free energy
  17. the totality of an organism’s chemical reactions

26 Clues: Requires O2 • Does no require O2 • partial degradation of sugars • a reaction that absorbs free energy • the gain of electrons by a reactant • a reaction that releases free energy • the loss of electrons from a reactant • the reactant(s) that an enzyme acts on • less concentrated to more concentrated • “Splits” 1 glucose into 2 pyruvic acid • ...

Catalysis and surface chemistry 2025-11-03

Catalysis and surface chemistry crossword puzzle
Across
  1. Adsorption ------- with pressure, reaches a maximum, and becomes constant.
  2. The juice extracted from the cane is treated with animal charcoal for the ----- of the coloring agent.
  3. The two primary methods used for predicting the adsorption capacity of a given material are known as the ------and Langmuir isotherms.
  4. ------cannot be reversed and occurs at high temperatures initially; specific in nature.
  5. ...... the catalyst is present in the same phase as the reactants.
  6. substances upon whose surface the change of concentration occurs is called .....
  7. poisonous gases get ---- at the surface of the coal.
  8. The accumulation of molecules on a surface.
  9. retards the rate of a chemical reaction.
  10. The catalyst is ....... chemically at the end of the reaction.
Down
  1. releasing heat as surface energy decreases (∆H is negative).
  2. ........ Manufacture of ammonia using iron as a catalyst.
  3. Does adsorption increase with temperature?
  4. The common surface between the two phases where the adsorbed molecules concentrate is called the ......
  5. It means constant temperature.
  6. --- by which molecules or atoms are released from a solid surface into a gas or liquid phase.
  7. ----- is a substance that changes the speed of a reaction.
  8. ----- Weak, van der Waals forces hold molecules to the surface.
  9. Chemistry is the study of the chemical phenomena that occur at the surface.
  10. -----is a bulk phenomenon, while adsorption is a surface phenomenon.

20 Clues: It means constant temperature. • retards the rate of a chemical reaction. • Does adsorption increase with temperature? • The accumulation of molecules on a surface. • poisonous gases get ---- at the surface of the coal. • ........ Manufacture of ammonia using iron as a catalyst. • ----- is a substance that changes the speed of a reaction. • ...

Photosynthesis and Cellular Respiraton 2024-12-11

Photosynthesis and Cellular Respiraton crossword puzzle
Across
  1. The type of energy needed for photosynthesis to occur
  2. The Organelle that cellular respiration occurs in
  3. A gas produced by photosynthesis we breathe it in
  4. The ending materials in a chemical reaction
Down
  1. AKA sugar, made by photosynthesis
  2. Products and Reactants of photosynthesis and Cellular respiration are _________
  3. The starting materials in a chemical reaction
  4. Photosynthesis only happens in plant cells, cellular respiration however happens in _____ plant and animal cells
  5. The organelle that photosynthesis occurs in
  6. AKA ATP, made by cellular respiration when food is broken down
  7. The type of cell photosynthesis occurs in

11 Clues: AKA sugar, made by photosynthesis • The type of cell photosynthesis occurs in • The organelle that photosynthesis occurs in • The ending materials in a chemical reaction • The starting materials in a chemical reaction • The Organelle that cellular respiration occurs in • A gas produced by photosynthesis we breathe it in • ...

Science crossword 2021-10-28

Science crossword crossword puzzle
Across
  1. what holds together a molecule.
  2. a type of bond between atoms that share electrons
  3. what lets you see what elements a molecule contains
  4. a type of reaction that gives of heat
  5. the outermost negatively charged subatomic particles that help atoms bond with one another
Down
  1. a type of reaction that takes in heat
  2. when this happens the chemical properties, physical properties, and chemical bonds are changed
  3. a group of atoms
  4. contains protons, neutrons, and electrons
  5. a type of bond that transfers electrons between atoms and bonds the atoms
  6. a negatively charged subatomic particle

11 Clues: a group of atoms • what holds together a molecule. • a type of reaction that takes in heat • a type of reaction that gives of heat • a negatively charged subatomic particle • contains protons, neutrons, and electrons • a type of bond between atoms that share electrons • what lets you see what elements a molecule contains • ...

Energy and Enzymes 2026-04-01

Energy and Enzymes crossword puzzle
Across
  1. biological catalysts that catalyze chemical reactions.
  2. total chemical reactions that occur in an organism.
  3. a type of kinetic energy associated with the random movement of atoms or molecules
  4. Negative ΔG
  5. reaction that involves the addition of a phosphate group
  6. the amount of potential energy in a system that can do work.
Down
  1. enzyme’s active site “folds” around substrate.
  2. stored energy
  3. study of energy transformation.
  4. the energy the reactants need to absorb for the reaction to start.
  5. release energy while breaking down large molecules into simple ones.

11 Clues: Negative ΔG • stored energy • study of energy transformation. • enzyme’s active site “folds” around substrate. • total chemical reactions that occur in an organism. • biological catalysts that catalyze chemical reactions. • reaction that involves the addition of a phosphate group • the amount of potential energy in a system that can do work. • ...

unit 4 crossword puzzle 2021-11-21

unit 4 crossword puzzle crossword puzzle
Across
  1. 2NH4+1(aq)+SO3-2
  2. MdxVd=Mc+Vc
  3. Na+1(aq)+ClO4-1(aq)
  4. shows dissolved ionic compounds as free ions
  5. Al+BaI2=
  6. the moles of solute in a liter solution
  7. K+1(aq)+Cl-1(aq)
  8. equation the visual equation for molarity
  9. show only participating ions
  10. ions that do not participate in the reaction
  11. molarity equation
  12. exchange of positive ions between two compounds
Down
  1. balanced chemical reaction only showing compounds & states
  2. no ions present
  3. few ions present
  4. ionic compounds in water
  5. the part that is being dissolved
  6. does the dissolving when water is the solvent
  7. many ions present
  8. A+BC=AC+B

20 Clues: Al+BaI2= • A+BC=AC+B • MdxVd=Mc+Vc • no ions present • 2NH4+1(aq)+SO3-2 • few ions present • K+1(aq)+Cl-1(aq) • many ions present • molarity equation • Na+1(aq)+ClO4-1(aq) • ionic compounds in water • show only participating ions • the part that is being dissolved • the moles of solute in a liter solution • equation the visual equation for molarity • ...

Carbohydrates CrossWord 2022-10-27

Carbohydrates CrossWord crossword puzzle
Across
  1. carbon double or triple bonds
  2. a type of fat
  3. a lipid containing a phosphate group
  4. compounds formed by esterfication
  5. a sticky deposit on teeth
  6. a waxy substance found in your blood
  7. particles made of protein and fats
  8. aliphatic chain
  9. a form of fatty acid
Down
  1. molecular hydrogen chemical reaction
  2. aerial oxidation of unsaturated fat
  3. point alloy changes from fully liquid to fully solid
  4. naturally occuring molecules
  5. composed of two fatty acid chains
  6. group functional group of a carbon atom
  7. several double or triple bonds
  8. reaction with oxygen at normal temperatures
  9. an organic compound; C17H28O
  10. Occur in living beings
  11. holding as much water or moisture

20 Clues: a type of fat • aliphatic chain • a form of fatty acid • Occur in living beings • a sticky deposit on teeth • naturally occuring molecules • an organic compound; C17H28O • carbon double or triple bonds • several double or triple bonds • composed of two fatty acid chains • compounds formed by esterfication • holding as much water or moisture • particles made of protein and fats • ...

Biology Crossword - Tommy Prince 2019-11-25

Biology Crossword - Tommy Prince crossword puzzle
Across
  1. O2.
  2. Flattened sacs in a chloroplast.
  3. A chemical composition for Ethanol.
  4. The third step in cellular respiration.
  5. H2O.
  6. Lactate.
  7. The action of breathing.
  8. Adenosine Triphosphate.
  9. Enzyme mediated reactions.
  10. Absence of oxygen.
  11. The breakdown of molecules by bacteria, yeast, etc.
Down
  1. A connective organelle in blood and tissue.
  2. Light independent reaction.
  3. The second step in cellular respiration.
  4. The breakdown of glucose by enzymes.
  5. A organelle used to produce energy and respiration.
  6. Uses light energy for photosynthesis.
  7. Requires oxygen.
  8. C6H12O6.
  9. CO2.
  10. The making of food through a process in plants.
  11. Where photosynthesis takes place.

22 Clues: O2. • H2O. • CO2. • Lactate. • C6H12O6. • Requires oxygen. • Absence of oxygen. • Adenosine Triphosphate. • The action of breathing. • Enzyme mediated reactions. • Light independent reaction. • Flattened sacs in a chloroplast. • Where photosynthesis takes place. • A chemical composition for Ethanol. • The breakdown of glucose by enzymes. • Uses light energy for photosynthesis. • ...

S.T.E.M. HAVOC 2025-04-12

S.T.E.M. HAVOC crossword puzzle
Across
  1. Name the technique
  2. Name the map
  3. Name the space
  4. Name the phenomenon
  5. Name the system
  6. Name it
  7. Name the experiment
  8. Name the activity
  9. Name the type of neural condition
  10. Name the signalling protein
  11. Name the state
  12. A complex polynomial
  13. A chaotic map
  14. Name the set of analysis technique
  15. Name the noise
Down
  1. Name the family
  2. An important chemical
  3. Name the icon
  4. Name the disorder type
  5. Name the reaction
  6. Name the object
  7. Name the concept
  8. Name the organisation
  9. Name the book
  10. Name the general reaction
  11. Former name of the protein
  12. Name the thing
  13. Name the operator
  14. Name the design

29 Clues: Name it • Name the map • Name the icon • Name the book • A chaotic map • Name the space • Name the state • Name the thing • Name the noise • Name the family • Name the object • Name the system • Name the design • Name the concept • Name the reaction • Name the activity • Name the operator • Name the technique • Name the phenomenon • Name the experiment • A complex polynomial • An important chemical • ...

6 2025-11-24

6 crossword puzzle
Across
  1. Repeating pattern in table
  2. Having high pH
  3. Process of chemical change
  4. Compound with oxygen
  5. Shows reactants and products
  6. Having low pH
  7. Compound with NO₃ group
  8. Represents an element
  9. Represents a compound
  10. Alloy of copper and zinc
  11. Make neither acidic nor basic
  12. Product of acid-base reaction
Down
  1. Can be hammered into sheets
  2. Compound with OH group
  3. Can be drawn into wires
  4. Characteristic of matter
  5. Compound with CO₃ group
  6. Transfers heat or electricity
  7. Resists electricity or heat
  8. Group of inert gases
  9. Established scientific rule
  10. Compound with sulfur
  11. Alloy of copper and tin
  12. Alloy of iron and carbon
  13. Mixture of metals

25 Clues: Having low pH • Having high pH • Mixture of metals • Compound with oxygen • Group of inert gases • Compound with sulfur • Represents an element • Represents a compound • Compound with OH group • Can be drawn into wires • Compound with CO₃ group • Compound with NO₃ group • Alloy of copper and tin • Characteristic of matter • Alloy of copper and zinc • Alloy of iron and carbon • ...

Immune System 2026-02-16

Immune System crossword puzzle
Across
  1. immunoglobulins
  2. group of proteins produced by cells as a reaction
  3. substance that triggers an allergic response
  4. chemical secreted by helper T cells
  5. enzyme in mucus, tears and saliva
  6. increased blood flow to an area
  7. important phagocyte
  8. process by which phagocytes destroy microorganisms
  9. phagocytes that accumulate rapidly at sites
Down
  1. substance secreted by irritated cells
  2. any molecule that triggers an immune response
  3. body's largest lymphatic organ
  4. fever producing substance
  5. substance produced in response to an antigen
  6. severe and immediate hypersensitivity reaction
  7. movement of cells out of a blood vessel
  8. pyrexia
  9. movement of white blood cells to an area
  10. masses of lymphoid tissue
  11. colorless fluid filling lymphatic capillaries

20 Clues: pyrexia • immunoglobulins • important phagocyte • fever producing substance • masses of lymphoid tissue • body's largest lymphatic organ • increased blood flow to an area • enzyme in mucus, tears and saliva • chemical secreted by helper T cells • substance secreted by irritated cells • movement of cells out of a blood vessel • movement of white blood cells to an area • ...

collision theory 2026-01-13

collision theory crossword puzzle
Across
  1. Collision Collision that results in a chemical reaction
  2. Measure of average kinetic energy particles
  3. amount of substances in a given volume
  4. substances that speeds up a reaction without being used up
Down
  1. Theory Theory that reactions occur when particles collide
  2. Proper alignment of molecules during a collision
  3. Energy Energy of motion of particles
  4. Rate Speed at which reactants turn into products
  5. How often particles collide
  6. Energy Minimum energy needed for a reaction to occur

10 Clues: How often particles collide • amount of substances in a given volume • Energy Energy of motion of particles • Measure of average kinetic energy particles • Proper alignment of molecules during a collision • Rate Speed at which reactants turn into products • Energy Minimum energy needed for a reaction to occur • ...

Thermochemistry 2024-05-22

Thermochemistry crossword puzzle
Across
  1. Chemical reaction that releases heat into the surroundings.
  2. Endothermic reaction that occurs in plants.
  3. Study of heat change when chemical reactions take place.
Down
  1. Exothermic reaction that occurs in animals.
  2. A device that measures change in temperature during exothermic and endothermic reactions.
  3. Chemical reaction that absorbs heat from the surroundings.

6 Clues: Exothermic reaction that occurs in animals. • Endothermic reaction that occurs in plants. • Study of heat change when chemical reactions take place. • Chemical reaction that absorbs heat from the surroundings. • Chemical reaction that releases heat into the surroundings. • A device that measures change in temperature during exothermic and endothermic reactions.

Module 2: Thermodynamics Crossword 2024-06-26

Module 2: Thermodynamics Crossword crossword puzzle
Across
  1. The exothermic reaction of a substance with oxygen to produce heat, carbon dioxide, and water.
  2. The relationship between Gibbs free energy and equilibrium is a fundamental concept in __________.
  3. A gas spontaneously __________ to fill a volume, demonstrating increased entropy.
  4. A measure of the disorder or randomness in a system. It's denoted by S, indicating the number of ways a system can be arranged.
  5. An __________ process cannot return to its initial state without a net energy input.
  6. Describes reactions that release heat to the surroundings.
  7. __________'s Law states that the total enthalpy change of a reaction is the sum of the enthalpy changes for each step of the reaction.
  8. Indicates a favorable Gibbs free energy change.
  9. In thermodynamic calculations, these are the starting substances in a chemical reaction, whose enthalpies are subtracted from those of the products.
  10. __________ free energy determines reaction spontaneity and is denoted as G.
  11. A method used to measure the heat absorbed or released in a chemical reaction, physical change, or heat capacity.
  12. In thermodynamics, a __________ is the part of the universe being studied, separated by boundaries from the surroundings.
  13. In Hess's Law, the enthalpy change is calculated as the sum of enthalpies of the __________ minus the sum of enthalpies of the reactants.
  14. A measure of the average kinetic energy of the particles in a system.
  15. A property indicating whether a process will occur without external energy input, often determined by a negative Gibbs Free Energy.
  16. The entropy change when a solid melts to a liquid is known as the entropy of __________.
Down
  1. The system's __________ exchange heat and matter with the system during thermodynamic processes.
  2. The change in enthalpy when one mole of a compound is formed from its elements in their standard states.
  3. The force exerted by a substance per unit area on another substance or on the walls of its container.
  4. An __________ reaction absorbs heat, leading to a positive ΔH.
  5. The law of thermodynamics that states entropy of an isolated system increases in a spontaneous process is the __________ Law of Thermodynamics.
  6. For a spontaneous change, the entropy of an __________ system increases.
  7. A thermodynamic quantity equivalent to the total heat content of a system. It's represented by H and is used to measure the heat change in chemical reactions at constant pressure.
  8. Internal energy from combustion can be released as heat or used to do __________, such as in internal combustion engines.
  9. In an __________ process, there is no heat exchange with the surroundings.
  10. Often used to describe the degree of randomness or dispersion of energy in a system.
  11. The energy transferred between systems or surroundings due to a temperature difference.
  12. The entropy change for a process is calculated using the __________ path of heat transfer.
  13. A high-temperature exothermic reaction between a fuel and an oxidant, typically oxygen, resulting in the formation of oxidized products and the release of heat.
  14. ____________ occurs from a hot object to a cold object spontaneously.

30 Clues: Indicates a favorable Gibbs free energy change. • Describes reactions that release heat to the surroundings. • An __________ reaction absorbs heat, leading to a positive ΔH. • ____________ occurs from a hot object to a cold object spontaneously. • A measure of the average kinetic energy of the particles in a system. • ...

Biomolecules and Enzymes 2024-07-10

Biomolecules and Enzymes crossword puzzle
Across
  1. a test for the presence of reducing sugars
  2. enzymes that have been fixed to a surface or trapped inside beads of agar gel
  3. a relatively weak bond formed by the attraction between a group with a small positive charge on a hydrogen atom and another group carrying a small negative charge
  4. the main structural protein of animals; known as ‘white fibres’, the fundamental unit of the fibre consists of three helical polypeptide chains wound around each other, forming a ‘triple helix’ with high tensile strength
  5. test a test for the presence of amine groups and thus for the presence of protein
  6. a chemical bond, represented as –COO– , formed when an acid reacts with an alcohol
  7. a C–O–C link between two sugar molecules, formed by a condensation reaction; it is a covalent bond
  8. bond the covalent bond joining neighbouring amino acids together in proteins
  9. a hypothesis for enzyme action; the substrate is a complementary shape to the active site of the enzyme, but not an exact fit – the enzyme, or sometimes the substrate, can change shape slightly to ensure a perfect fit, but it is still described as showing specificity
  10. a sugar molecule consisting of two monosaccharides joined together by a glycosidic bond
  11. a protein produced by a living organism that acts as a biological catalyst in a chemical reaction by reducing activation energy
  12. simple molecule which is used as a basic building block for the synthesis of a polymer
  13. a polysaccharide made from beta- glucose subunits; used as a strengthening material in plant cell walls
Down
  1. a chemical reaction involving the joining together of two molecules by removal of a water molecule
  2. a protein whose molecules are folded into a relatively spherical shape, often has physiological roles and is often water-soluble and metabolically active
  3. a large molecule such as a polysaccharide, protein or nucleic acid
  4. a polysaccharide made of many glucose molecules linked together, that acts as a glucose store in liver and muscle cells
  5. when a substance reduces the rate of activity of an enzyme by competing with the substrate molecules for the enzyme’s active site
  6. a chemical reaction in which a chemical bond is broken by the addition of a water molecule
  7. structure the structure of a protein molecule resulting from the regular coiling or folding of the chain of amino acids (an α-helix or β-pleated sheet)
  8. a long chain of amino acids formed by condensation reactions between the individual amino acids
  9. a molecule consisting of a single sugar unit
  10. sheet a loose, sheet-like structure formed by hydrogen bonding between parallel polypeptide chains
  11. a type of lipid formed when three fatty acid molecules combine with glycerol
  12. the substrate concentration at which an enzyme works at half its maximum rate (1⁄2Vmax), used as a measure of the efficiency of an enzyme
  13. an area on an enzyme molecule where the substrate can bind
  14. the energy that must be provided to make a reaction take place
  15. a giant molecule made from many similar repeating subunits joined together in a chain

28 Clues: a test for the presence of reducing sugars • a molecule consisting of a single sugar unit • an area on an enzyme molecule where the substrate can bind • the energy that must be provided to make a reaction take place • a large molecule such as a polysaccharide, protein or nucleic acid • bond the covalent bond joining neighbouring amino acids together in proteins • ...

Science: Matter and Chemical Change 2014-11-10

Science: Matter and Chemical Change crossword puzzle
Across
  1. the rows in the Periodic Table of Elements
  2. the 18 columns on the Periodic Table of Elements
  3. ______ systems is an experiment in which reactants and products can not escape
  4. neutral particles
  5. occurs when oxygen reacts to another substance to form a new substance and releases energy
  6. occurs when oxygen reacts with metal, a chemical reaction in which the metal is decomposed
  7. an atom or group of atoms that become electrically charges because it has lost or gained electrons
  8. compound formed when 2 non-metals combine
  9. Workplace Hazardous Material Information System
  10. substance that strongly resists the flow of electricity
  11. the mass of one of an element
  12. most reactive of the metals
  13. published by Andreas Libau in 1597, it describes the achievements of alchemists
  14. substances that helps reaction proceed faster
  15. a pure substance that cannot be broken down into other substances
Down
  1. represents the number of atoms
  2. has the element symbol Br
  3. positively charged particles
  4. the Law of ________ of Mass
  5. experimented with the behaviour of gases
  6. characteristics that can be used to describe a substance
  7. stated each type of material was made up of a different type of atomos
  8. a chemical reaction that takes place in the cells of your body
  9. Father of Modern Chemistry
  10. supported the idea that everything was made up of the 4 elements
  11. organic catalysts

26 Clues: neutral particles • organic catalysts • has the element symbol Br • Father of Modern Chemistry • the Law of ________ of Mass • most reactive of the metals • positively charged particles • the mass of one of an element • represents the number of atoms • experimented with the behaviour of gases • compound formed when 2 non-metals combine • the rows in the Periodic Table of Elements • ...

Chemistry Study Guide 2016-02-10

Chemistry Study Guide crossword puzzle
Across
  1. the outcome of the chemical reaction
  2. a reaction that occurs when a layer of metal is bonded to another substance, usually metal
  3. have completely full orbitals
  4. when energy is absorbed
  5. rows on the periodic table
  6. the combination of 2 or more different atoms
  7. when energy is released in the form of heat
  8. the dense and positively charged center of an atom
  9. the total amount of mass stays the same through a chemical reaction
  10. can conduct heat and electricity, most are solid
  11. the negatively charged particles that orbit the nucleus
  12. the smallest part of a substance, can't be broken down further
Down
  1. mix of both metals and non-metals attributes
  2. columns on the periodic table
  3. the electrons in the outermost orbital
  4. the number of protons or electrons an atom has
  5. the positively charged particles in the nucleus of an atom
  6. the two letter abbreviation of the element name
  7. combination of one or more atoms of any kind
  8. the smallest an element or any matter can be broken down to
  9. created the periodic table of elements
  10. the sum of the atomic number and the number of neutrons
  11. regions of space outside the nucleus of an atom where electrons are found
  12. can easily be broken, can't conduct heat or electricity well
  13. the starting substances
  14. the particles in the nucleus with no charge

26 Clues: when energy is absorbed • the starting substances • rows on the periodic table • columns on the periodic table • have completely full orbitals • the outcome of the chemical reaction • the electrons in the outermost orbital • created the periodic table of elements • when energy is released in the form of heat • the particles in the nucleus with no charge • ...