periodic table Crossword Puzzles

8th Grade Physical Science Vocabulary Review 2022-03-06

8th Grade Physical Science Vocabulary Review crossword puzzle
Across
  1. form of charge, designated negative, positive, or neutral (without charge)
  2. elements in Group 3 with atomic numbers 89 - 103
  3. subatomic particle without charge; contributes to mass of an atom
  4. substances that change into new identity; difficult to put back into original matter
  5. substance that takes part in & undergoes change during a reaction
  6. found in groups 3 - 12 periodic table
  7. found in group 17 periodic table
  8. atomic mass unit; indicates mass on an atomic/molecular scale
  9. elements typically not shiny, usually a gas or brittle solid, not malleable, & a poor conductor of heat & electricity
  10. found in Group 2 Periodic Table
  11. formulas and symbols written to represent a reaction
  12. columns on periodic table that arranges the elements by the number of electrons that are in outside shell
  13. pure substance that cannot be separated into simpler substances by physical or chemical means
  14. most elements, typically solid, shiny malleable, & a good conductor of heat & electricity
  15. found in group 13periodic table
  16. form as result of loss or gain of electrons; identified by overall net charge
  17. tiny, very dense, positively charged region in center of an atom; made up of protons & neutron
  18. negatively charged subatomic particle; involved in formation of chemical bonds
  19. rows in periodic table that classifies elements by number of atomic shells
  20. something that can produce heat, power life, move objects, or produce electricity
  21. oil, coal, natural gas
  22. elements that have properties of both metals & nonmetals
  23. combination of 2 or more substances that are not chemically combined
  24. specific area where electrons of same energy level are found
  25. atoms of same element that have different numbers of neutrons
  26. substances that we obtain from land, water, & air around us, either renewable or nonrenewable
  27. group 14 periodic table
  28. substance produced during a chemical reaction
  29. - can be observed without changing identity
  30. found in Group 1 Periodic Table
  31. mass of all reactants must equal mass of all products, mass is neither created nor destroyed
  32. process by which one or more substances change to produce one or more different substances
Down
  1. number placed in front of a chemical symbol or formula during balancing of equation
  2. one/two letter notation used to represent a particular element
  3. table showing chemical elements arranged according to their atomic numbers
  4. resources that can be replenished in a short amount of time
  5. number written below & to right of a chemical symbol, shows the number of a specific type of atom present
  6. positively charged subatomic particle; contributes to the mass of the atom
  7. anything that has mass & takes up space
  8. two elements react to form a compound
  9. found in group 18periodic table
  10. electrons in the outermost energy level of an atom that influence how element will react with other substances
  11. number of protons in the nucleus of one atom
  12. particles smaller than an atom
  13. attempt to fill electron shells; ionic bonds, covalent bonds, metallic bonds
  14. found in group 15 Periodic Table
  15. elements/compounds that can only be separated/combined to make substances with new properties by means of chemical reaction
  16. cannot be remade or re-grown at a scale comparable to its consumption
  17. pure substance composed of two or elements chemically
  18. found in group 16 periodic table
  19. smallest unit that has all of the properties of that element containing a nucleus within an electron
  20. all of the area inside an atom surrounding nucleus where electrons are found
  21. elements in Group 3 with atomic numbers 57 - 71
  22. average mass of protons & neutrons in an element
  23. rate at which chemical substance tends to undergo chemical reaction & significantly influenced by valence electrons

55 Clues: oil, coal, natural gas • group 14 periodic table • particles smaller than an atom • found in Group 2 Periodic Table • found in group 18periodic table • found in group 13periodic table • found in Group 1 Periodic Table • found in group 17 periodic table • found in group 15 Periodic Table • found in group 16 periodic table • found in groups 3 - 12 periodic table • ...

Topic 9: Periodic Table 2021-08-24

Topic 9: Periodic Table crossword puzzle
Across
  1. Element in Group III, Period 4
  2. The group of elements between Group II and Group III are known as the ___ metals
  3. Elements in the periodic table are arranged in order of increasing ___ number from left to right across the period.
  4. Protons, neutrons and electrons are collectively known as the ___ particles.
  5. Group 8 or Group 0 elements are known to be unreactive. What is another word for unreactive?
  6. Name of the horizontal rows in the periodic table
  7. Collective name of Group VII ions
Down
  1. The most reactive metal
  2. The elements between the metals and non-metals on the periodic table are called ___
  3. Name of the vertical columns in the periodic table
  4. Group VII elements form molecules with two atoms. They are called ___ molecules.
  5. Group I elements are known as ___ metals
  6. name of Group VII elements
  7. The most reactive non-metal
  8. Metals ___ electrons to form cations.

15 Clues: The most reactive metal • name of Group VII elements • The most reactive non-metal • Element in Group III, Period 4 • Collective name of Group VII ions • Metals ___ electrons to form cations. • Group I elements are known as ___ metals • Name of the horizontal rows in the periodic table • Name of the vertical columns in the periodic table • ...

Metals, Nonmetals and Metalloids 2024-11-26

Metals, Nonmetals and Metalloids crossword puzzle
Across
  1. Vertical column in the periodic table
  2. A material that does not allow heat or electrons to move through it easily.
  3. The degree of compactness of a substance.
  4. Easily broken not flexible
  5. An element that is considered to be a semiconductor
  6. Most reactive nonmetal
  7. how the elements are arranged on the periodic table
  8. A material that conducts heat well
  9. An element that is shiny and that conducts heat and electricity well
  10. A horizontal row of elements in the periodic table
Down
  1. An element that conducts heat and electricity poorly on the right
  2. Easy to shape or bend or pound in thin sheets
  3. Separates the metals and nonmetals on the periodic table
  4. An arrangement of elements in which the elements are separated into groups based on a set of repeating properties
  5. The way a mineral reflects light from its surface

15 Clues: Most reactive nonmetal • Easily broken not flexible • A material that conducts heat well • Vertical column in the periodic table • The degree of compactness of a substance. • Easy to shape or bend or pound in thin sheets • The way a mineral reflects light from its surface • A horizontal row of elements in the periodic table • ...

Chemistry 2017-02-20

Chemistry crossword puzzle
Across
  1. The staircase column highlight in the Periodic Table
  2. Number of protons and electrons
  3. Can't be changed (rust)
Down
  1. Can be changed back. (water, ice, water vapor)
  2. On the right to center sides on the Periodic Table
  3. The periodic Table of elements are all considered...
  4. Its a pure substance, not an element but a...
  5. On the left side on the Periodic Table
  6. You find this in the Periodic Table
  7. Physical combination of 2 or more substances

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

Chemistry 2017-10-24

Chemistry crossword puzzle
Across
  1. major component of atmosphere
  2. period number of erbium
  3. d and f blocks
  4. abundant metal in meteorites
  5. hydrogen-3
  6. not a dime
  7. major bone constituent
  8. 79 protons
  9. protons plus neutrons
  10. alkaline earth
  11. silliest element
  12. high energy light rays
  13. invented periodic table
  14. found in electrical wire
  15. where protons are found
  16. pencil lead
  17. equals atomic number
  18. inert gas
Down
  1. positive electron
  2. occurs at regular intervals
  3. unreactive
  4. unstable nucleus
  5. last naturally-occurring element
  6. helium-4 nucleus
  7. same protons different neutrons
  8. where elements are made
  9. alkali metal
  10. periodic table columns
  11. conducts electricity
  12. part of scientific notation
  13. neutral charged particle
  14. halogen

32 Clues: halogen • inert gas • unreactive • hydrogen-3 • not a dime • 79 protons • pencil lead • alkali metal • d and f blocks • alkaline earth • unstable nucleus • helium-4 nucleus • silliest element • positive electron • conducts electricity • equals atomic number • protons plus neutrons • major bone constituent • high energy light rays • periodic table columns • period number of erbium • where elements are made • ...

Periodic Table 2020-05-11

Periodic Table crossword puzzle
Across
  1. Family of elements that go DOWN the periodic table
  2. table that organizes the elements based on their atomic number
  3. family of elements that go ACROSS the periodic table
  4. neutral charge on an atom
  5. A simple substance
  6. short way of writing the names of the elements
  7. good conductors of electric current and heat
Down
  1. made up of elements
  2. negative charge on an atom
  3. worldwide, the same all over the world
  4. not good conductors of electric current and heat
  5. elements are made up of
  6. positive charge on an atom
  7. Found on the left side of the periodic table

14 Clues: A simple substance • made up of elements • elements are made up of • neutral charge on an atom • negative charge on an atom • positive charge on an atom • worldwide, the same all over the world • Found on the left side of the periodic table • good conductors of electric current and heat • short way of writing the names of the elements • ...

Intro to The Periodic Table 2024-09-11

Intro to The Periodic Table crossword puzzle
Across
  1. The property that makes the Periodic table so handy to use- the process of properties eventually repeating in an organized manner
  2. How miss Ford tells you to remember the periods on a periodic table; You write a ____ from left to right and then you put a period on it.
  3. Our class pet will most likely be a...
  4. How the periodic table was originally organized according to our Russian friend Mr. M
  5. The name of your teacher
  6. This type of metal is less reactive than group 1 but more reactive than the transition metals
  7. This group on the periodic table contains the gases that are just "one away" from perfection
  8. This type of metal has an imposter in its group and only has one valence electron
  9. The name of warmups in chemistry class
  10. The alkali metal imposter; this friend is definitely NOT a metal
  11. BFND!!! Our Mascot
Down
  1. These guys have a full valence shell and are incredibly stable
  2. The school play is Miracle on__ street (I got this from the announcements in case it is wrong)
  3. The perfect imposter (technically doesn't have 8 valence electrons)
  4. This type of metal is hard to identify based on the number of valence electrons because it can change based on circumstance
  5. These guys are pretty cool, they can share properties like conductivity and nonconductivity, luster and dull, etc.
  6. These entities on the periodic table usually share things like reactivity, state of matter, and even stability
  7. The name of Mrs. Ford's oldest bean
  8. The name of Mrs. Ford's youngest bean

19 Clues: BFND!!! Our Mascot • The name of your teacher • The name of Mrs. Ford's oldest bean • The name of Mrs. Ford's youngest bean • Our class pet will most likely be a... • The name of warmups in chemistry class • These guys have a full valence shell and are incredibly stable • The alkali metal imposter; this friend is definitely NOT a metal • ...

chapter 4 2023-10-17

chapter 4 crossword puzzle
Across
  1. the distance between from the center of the nucleus to the electrons in its outermost energy levels
  2. elements on row one and two the ones on the first row are rare and the second are radioactive
  3. set of elements in the same column on the periodic table
  4. a table of chemical elements arranged in a way that displays their periodic properties in relationship to their atomic number
  5. consists of elements chemical symbols surrounded by the atomic's valence electrons
  6. elements that have characteristics between those of metal and nonmetals
  7. elements in group 2 and has two valence electrons
  8. what do scientist call a row on the periodic table
  9. elements in group 1 and has one valence electron
  10. 8 valence electrons and have full outer energy levels
Down
  1. electrons in the outermost energy level of a neutron level
  2. states that the properties of elements vary in a periodic way with their atomic numbers
  3. has four or more valence electrons and do not exhibit the general properties of metals
  4. elements in groups 3-12 and has one or two valence electrons
  5. elements in group 17 and has 7 valence electrons
  6. almost 80% of elements have this and has few valence electrons
  7. elements in groups 13-16 and include metals, nonmetals, and metalliods
  8. the measure of an element's ability to attract and hold electrons when bonded to another atom

18 Clues: elements in group 17 and has 7 valence electrons • elements in group 1 and has one valence electron • elements in group 2 and has two valence electrons • what do scientist call a row on the periodic table • 8 valence electrons and have full outer energy levels • set of elements in the same column on the periodic table • ...

chapter 4 2023-10-17

chapter 4 crossword puzzle
Across
  1. the distance between from the center of the nucleus to the electrons in its outermost energy levels
  2. elements on row one and two the ones on the first row are rare and the second are radioactive
  3. set of elements in the same column on the periodic table
  4. a table of chemical elements arranged in a way that displays their periodic properties in relationship to their atomic number
  5. consists of elements chemical symbols surrounded by the atomic's valence electrons
  6. elements that have characteristics between those of metal and nonmetals
  7. elements in group 2 and has two valence electrons
  8. what do scientist call a row on the periodic table
  9. elements in group 1 and has one valence electron
  10. 8 valence electrons and have full outer energy levels
Down
  1. electrons in the outermost energy level of a neutron level
  2. states that the properties of elements vary in a periodic way with their atomic numbers
  3. has four or more valence electrons and do not exhibit the general properties of metals
  4. elements in groups 3-12 and has one or two valence electrons
  5. elements in group 17 and has 7 valence electrons
  6. almost 80% of elements have this and has few valence electrons
  7. elements in groups 13-16 and include metals, nonmetals, and metalliods
  8. the measure of an element's ability to attract and hold electrons when bonded to another atom

18 Clues: elements in group 17 and has 7 valence electrons • elements in group 1 and has one valence electron • elements in group 2 and has two valence electrons • what do scientist call a row on the periodic table • 8 valence electrons and have full outer energy levels • set of elements in the same column on the periodic table • ...

Periodic Trends/Reactions Extra Credit 2025-03-12

Periodic Trends/Reactions Extra Credit crossword puzzle
Across
  1. The ability of a substance to dissolve in a solvent, usually expressed as the maximum amount that can dissolve in a specific volume at a given temperature.
  2. An electron in the outermost shell of an atom that determines its chemical properties and bonding behavior.
  3. The vertical columns in the periodic table, where elements have similar chemical properties due to the same number of valence electrons.
  4. A group of highly reactive elements in Group 1 of the periodic table, including lithium, sodium, and potassium.
  5. Elements that lack metallic properties, generally poor conductors, and can be gases, liquids, or brittle solids, including oxygen, nitrogen, and sulfur.
  6. A Russian chemist who created the first widely accepted periodic table by arranging elements based on atomic mass and properties.
  7. The state in which a solution contains the maximum amount of solute that can dissolve at a given temperature and pressure.
  8. The substance that is dissolved in a solution.
  9. Elements with properties intermediate between metals and non-metals, found along the "stair-step" line on the periodic table, including silicon and boron.
  10. A pure substance consisting of only one type of atom that cannot be broken down into simpler substances by chemical means.
  11. The process of breaking down rocks and minerals into smaller pieces by physical, chemical, or biological means.
  12. A solution that has a high amount of solute relative to the amount of solvent.
  13. A group of highly reactive non-metal elements in Group 17 of the periodic table, including fluorine, chlorine, and iodine.
  14. The breakdown of rocks through chemical reactions, often involving water, acids, or gases, leading to changes in mineral composition.
Down
  1. A group of elements in Group 2 of the periodic table that are reactive but less so than alkali metals, including magnesium and calcium.
  2. The mechanical breakdown of rocks into smaller fragments without changing their chemical composition, caused by factors like temperature changes, freezing and thawing, or abrasion.
  3. A solution that has a low amount of solute relative to the amount of solvent.
  4. A substance composed of two or more different elements chemically bonded together in a fixed ratio.
  5. A set of metallic elements located between the transition metals and metalloids, generally softer and having lower melting points, including aluminum, tin, and lead.
  6. A homogeneous mixture of two or more substances, consisting of a solute dissolved in a solvent.
  7. A large group of metallic elements in the center of the periodic table (Groups 3-12) known for variable oxidation states and forming colorful compounds.
  8. A solution that contains more solute than it can normally hold at a given temperature, often achieved by changing conditions like temperature or pressure.
  9. The horizontal rows in the periodic table, where elements are arranged by increasing atomic number and share the same number of electron shells.
  10. A homogeneous mixture of two or more substances, consisting of a solute dissolved in a solvent.
  11. A group of inert, non-reactive elements in Group 18 of the periodic table, including helium, neon, and argon.
  12. The process of transporting weathered rock and soil from one location to another by natural agents such as water, wind, ice, or gravity.
  13. The substance that dissolves the solute to form a solution.
  14. A combination of two or more substances that are physically blended but not chemically bonded, which can be separated by physical means.

28 Clues: The substance that is dissolved in a solution. • The substance that dissolves the solute to form a solution. • A solution that has a low amount of solute relative to the amount of solvent. • A solution that has a high amount of solute relative to the amount of solvent. • ...

atomic structure and periodic table 2021-12-19

atomic structure and periodic table crossword puzzle
Across
  1. positively charged subatomic particle
  2. negatively charged particle
  3. ...model (model that states that the mass was concentrated at the centre of the atom and the nucleus was charged.
  4. composed of protons and neutrons at the centre of every atom.
  5. separation technique between solids and liquids.
  6. element that reacts to form negative ions
  7. column of periodic table
  8. element in group 7
  9. atom or molecule with an electric charge due to loss or gain of electrons
  10. chemical reaction where a more reactive element swaps with a less reactive element in a compound.
  11. substance made of 1 type of atom.
  12. smallest part of an element that can exist.
  13. atoms of the same element with a different number of neutrons.
Down
  1. ... distillation is a method of separating a mixture according to their boiling points.
  2. type of metal in group 1 of periodic table.
  3. separating mixture of chemicals by distributing components between 2 phases.
  4. substance made of 2 or more types of atoms chemically combined.
  5. ... number is the number of protons in the nucleus.
  6. ...metals (metallic elements in the middle of the periodic table.
  7. ...gases (elements in group 0)
  8. consists of 2 or more elements not chemically combined together.
  9. atoms that react to form positive ions
  10. ...table arranges elements
  11. nuetral subatomic particles.

24 Clues: element in group 7 • column of periodic table • ...table arranges elements • negatively charged particle • nuetral subatomic particles. • ...gases (elements in group 0) • substance made of 1 type of atom. • positively charged subatomic particle • atoms that react to form positive ions • element that reacts to form negative ions • type of metal in group 1 of periodic table. • ...

atomic structure and periodic table 2021-12-19

atomic structure and periodic table crossword puzzle
Across
  1. positively charged subatomic particle
  2. negatively charged particle
  3. ...model (model that states that the mass was concentrated at the centre of the atom and the nucleus was charged.
  4. composed of protons and neutrons at the centre of every atom.
  5. separation technique between solids and liquids.
  6. element that reacts to form negative ions
  7. column of periodic table
  8. element in group 7
  9. atom or molecule with an electric charge due to loss or gain of electrons
  10. chemical reaction where a more reactive element swaps with a less reactive element in a compound.
  11. substance made of 1 type of atom.
  12. smallest part of an element that can exist.
  13. atoms of the same element with a different number of neutrons.
Down
  1. ... distillation is a method of separating a mixture according to their boiling points.
  2. type of metal in group 1 of periodic table.
  3. separating mixture of chemicals by distributing components between 2 phases.
  4. substance made of 2 or more types of atoms chemically combined.
  5. ... number is the number of protons in the nucleus.
  6. ...metals (metallic elements in the middle of the periodic table.
  7. ...gases (elements in group 0)
  8. consists of 2 or more elements not chemically combined together.
  9. atoms that react to form positive ions
  10. ...table arranges elements
  11. nuetral subatomic particles.

24 Clues: element in group 7 • column of periodic table • ...table arranges elements • negatively charged particle • nuetral subatomic particles. • ...gases (elements in group 0) • substance made of 1 type of atom. • positively charged subatomic particle • atoms that react to form positive ions • element that reacts to form negative ions • type of metal in group 1 of periodic table. • ...

Get to know the Periodic Table 2023-12-15

Get to know the Periodic Table crossword puzzle
Across
  1. something every humans use
  2. any of various metallic elements
  3. the number of protons in the nucleus of an atom
  4. a substance that is in a gaseous, or vaporous, state of matter
  5. is the first element on the periodic table
  6. any of the strongly basic metals
  7. an unstable form of elements in an atomic nucleus with an excess nuclear charge
  8. a chart of chemical elements organized by atomic number
  9. any of a group of rare gases
Down
  1. a one or two letter symbol that represents the element
  2. elements with atomic numbers 58-71
  3. is a substance where the particles are still close together, but not as tightly bonded
  4. shiny metals with low melting points
  5. there are families which are groups of elements with similar properties.
  6. The main elements of nature for life on earth
  7. poor conductors of heat and electricity
  8. they touch the bold step-shaped line in periodic table
  9. the number assigned to the vertical columns of the periodic table
  10. constructed into elements by humans
  11. is the sixth period and third group of the periodic table
  12. a state of matter that is in a firm
  13. is a substance that is in a gaseous, or vaporous, state of matter

22 Clues: something every humans use • any of a group of rare gases • any of various metallic elements • any of the strongly basic metals • elements with atomic numbers 58-71 • constructed into elements by humans • a state of matter that is in a firm • shiny metals with low melting points • poor conductors of heat and electricity • is the first element on the periodic table • ...

Honors Chem Crossword 2024-01-24

Honors Chem Crossword crossword puzzle
Across
  1. The temperature at which something starts melting
  2. Number of groups on the periodic table
  3. Matierial that can easily flow
  4. A measure of the average kinetic energy of the atoms or molecules in the system
  5. To bind to a Substance or Surface
  6. Only metal that is liquid at room temperature
  7. A liquid's resistence to flowing
  8. Oxygen's normal state of matter
  9. Number of rows on the periodic table
  10. Basic Building block of everything
  11. A pure substance made up of on type of atom
  12. When a compound breaks down leaving hydrocarbons behind
  13. When two things seperate in too simpler compounds
  14. Inert Elements with a full Valence Shell
  15. Formed when 2 reactants combine
Down
  1. Water's state of matter
  2. The Change fomr a liquid to a solid
  3. When two elements combine to form a compound
  4. Metal and Non-metal Bond
  5. What all the elements are sorted into
  6. The ability to do work and cause change
  7. Group 17 on the periodic table
  8. Having a PH greater than 7
  9. Block that holds the noble gases
  10. Element 88 on the periodic table
  11. Combine to form a product
  12. Non-metal bond
  13. What hold compounds together
  14. The PH of battery acid
  15. The studies of properties and states of matter

30 Clues: Non-metal bond • The PH of battery acid • Water's state of matter • Metal and Non-metal Bond • Combine to form a product • Having a PH greater than 7 • What hold compounds together • Matierial that can easily flow • Group 17 on the periodic table • Oxygen's normal state of matter • Formed when 2 reactants combine • A liquid's resistence to flowing • Block that holds the noble gases • ...

Structure of an Atom 2013-12-04

Structure of an Atom crossword puzzle
Across
  1. AMU
  2. charge on the proton
  3. charge on the neutron
  4. proposed the existence of energy
  5. made of electrons, neutrons, and protons
  6. groups of atoms
  7. atoms with the same number of protons but different mass and neutron numbers
  8. groups of two or more elements that are bonded together
  9. building blocks for all matter
Down
  1. number representing the number of protons in the nucleus of an atom
  2. 1- 3 letter notation used to represent an atom corresponding to a particular element
  3. Cloud group of electrons that form an electron cloud
  4. charge on the electron
  5. neutral particle within the nucleus of an atom
  6. columns on periodic table
  7. positively charged particle in an atom
  8. Table big grid where elements are placed according to the way they work and act
  9. center of an atom
  10. rows in periodic table
  11. or electron orbits

20 Clues: AMU • groups of atoms • center of an atom • or electron orbits • charge on the proton • charge on the neutron • charge on the electron • rows in periodic table • columns on periodic table • building blocks for all matter • proposed the existence of energy • positively charged particle in an atom • made of electrons, neutrons, and protons • neutral particle within the nucleus of an atom • ...

Chemistry Crossword 2015-11-19

Chemistry Crossword crossword puzzle
Across
  1. A combination of pure substances.
  2. Shiny, malleable, ductile, conduct electricity.
  3. Negatively charged particles.
  4. The new materials produced by the reaction.
  5. Anything on the periodic table.
  6. A chemical reaction that releases heat energy.
  7. Liquid to solid.
  8. Most reactive non-metals.
  9. Positively charged particles.
  10. Characteristics that can be used to describe a substance.
  11. A cloudy mixture that cannot be separated.
  12. An element that we need to live.
Down
  1. Gas to solid.
  2. The materials at the start of a reaction.
  3. Have both metallic and non-metallic properties.
  4. Solid to gas.
  5. A catalyst found in the human body.
  6. A chemical reaction that absorbs heat energy.
  7. A substance that help a reaction proceed faster.
  8. Liquid to gas.
  9. Anything that has mass and occupies space.
  10. Solid to liquid.
  11. A cloudy mixture that can be separated.
  12. The horizontal rows on the periodic table.
  13. The vertical rows on the periodic table.

25 Clues: Gas to solid. • Solid to gas. • Liquid to gas. • Liquid to solid. • Solid to liquid. • Most reactive non-metals. • Negatively charged particles. • Positively charged particles. • Anything on the periodic table. • An element that we need to live. • A combination of pure substances. • A catalyst found in the human body. • A cloudy mixture that can be separated. • ...

Chemistry Unit Crossword 2016-02-11

Chemistry Unit Crossword crossword puzzle
Across
  1. each horizontal row
  2. element that has properties of metals and non metals
  3. basic unit of chemistry
  4. substance that undergoes change in a reaction
  5. (2words) number of protons on an element
  6. elements bonded together
  7. (2words) outermost electron
  8. absorption of energy
  9. column of elements on the periodic table
  10. a mixture of elements
  11. center of an atom
  12. elements that lacks properties of metal elements
  13. code for a chemical element
Down
  1. contains a neutral charge
  2. contains a positive charge
  3. (5 words) matter cannot be created or destroyed.
  4. (2words) helped make the periodic table
  5. contains a negative
  6. substance produced from a chemical process
  7. (2words) mass of an atomic particle
  8. coating of metal
  9. release of energy
  10. (2words) the seven gasses from group 18 on the periodic table
  11. a substance that can't be broken down
  12. rings around nucleus
  13. a element that is usually shiny and hard

26 Clues: coating of metal • release of energy • center of an atom • each horizontal row • contains a negative • absorption of energy • rings around nucleus • a mixture of elements • basic unit of chemistry • elements bonded together • contains a neutral charge • contains a positive charge • (2words) outermost electron • code for a chemical element • (2words) mass of an atomic particle • ...

negative electrons are 2023-05-09

negative electrons are crossword puzzle
Across
  1. most reactive metals
  2. what tells the number of protons in an atom of the element
  3. description structure of atoms
  4. protons are
  5. what are electrons in the outermost energy level called
  6. holds the protons and neutrons
  7. developed the first periodic table of elements, organized by atomic mass
Down
  1. eleceltrons are
  2. what are the smallest particles of an element that still have properties of that element called
  3. postive and are in the nucleus
  4. what is the smallest particle aware to scientists
  5. what are atoms of the same elements with diffrent numbers of neutrons called.
  6. non reactive elements, due to already being chemicaly stable
  7. the horizontal rows on the periodic table
  8. the space surrounding the nucleus
  9. it tells the number of protons and neutrons in the nucleus of an atom.
  10. are neutral
  11. groups 3-12
  12. the energy level
  13. the vertical columns on the periodic table

20 Clues: protons are • are neutral • groups 3-12 • eleceltrons are • the energy level • most reactive metals • postive and are in the nucleus • description structure of atoms • holds the protons and neutrons • the space surrounding the nucleus • the horizontal rows on the periodic table • the vertical columns on the periodic table • what is the smallest particle aware to scientists • ...

Addie Parrish Final Project Word Search. 2023-05-18

Addie Parrish Final Project Word Search. crossword puzzle
Across
  1. temperature at which a liquid turns into a gas
  2. newtons first law
  3. change of liquid to gas phase
  4. particles move from high concentration to low concentration
  5. tendency of different particles’ surfaces it to cling to one another
  6. Group 17 on the periodic table, very reactive
  7. everything has this kind of energy
  8. building blocks of proteins
Down
  1. The process in which vapor turns into liquid
  2. formula M/V
  3. vertical column of elements on the periodic table
  4. kinetic energy particles in a system
  5. everything/anything that gives off the H+ ions of water
  6. flow of electrons
  7. Basic unit of matter
  8. height of a wave
  9. this is the lowest temperature possible
  10. High energy light given off during a nuclear process
  11. rate at which velocity changes with time
  12. cannot be created or destroyed
  13. closed path through which electrons flow
  14. metals Group 1 in periodic table

22 Clues: formula M/V • height of a wave • newtons first law • flow of electrons • Basic unit of matter • building blocks of proteins • change of liquid to gas phase • cannot be created or destroyed • metals Group 1 in periodic table • everything has this kind of energy • kinetic energy particles in a system • this is the lowest temperature possible • rate at which velocity changes with time • ...

Atomic Theory Vocabulary 2025-06-19

Atomic Theory Vocabulary crossword puzzle
Across
  1. negative particle outside the nucleus
  2. developed the first periodic table
  3. good conductors of heat and electricity
  4. also known as energy levels
  5. nonreactive elements, group 18
  6. negatively charged particles in the outermost energy levels of the electron cloud
  7. positive particle in the nucleus
  8. created the solid sphere model
  9. neutral particle in the nucleus
  10. the horizontal rows on the periodic table
  11. the smallest particle of an element
  12. gasses, or dull brittle solids
Down
  1. atoms of the same element with different numbers of neutrons
  2. the smallest particles that make up both protons and neutrons
  3. dense center of an atom
  4. discovered the number of protons is unique to each element
  5. solids, semi-conductors
  6. the first person to name an atom
  7. space surrounding the nucleus
  8. the vertical columns on the periodic table
  9. most reactive metals, group 1
  10. most reactive nonmetals, group 17

22 Clues: dense center of an atom • solids, semi-conductors • also known as energy levels • space surrounding the nucleus • most reactive metals, group 1 • nonreactive elements, group 18 • created the solid sphere model • gasses, or dull brittle solids • neutral particle in the nucleus • the first person to name an atom • positive particle in the nucleus • most reactive nonmetals, group 17 • ...

Science wk.10 2025-07-01

Science wk.10 crossword puzzle
Across
  1. The product of carbon + oxygen
  2. CH₄ is the chemical formula for?
  3. The gas essential for combustion
  4. The vertical columns on the periodic table
  5. Combustion reactions always release this
  6. This element is a liquid metal at room temp
  7. Metal + Oxygen → ?
  8. Group 18 elements are called?
  9. Rusting metal is an example of this reaction
  10. The state symbol (g) stands for?
  11. The process that forms rust on iron
  12. Fuel + oxygen → ? + heat
  13. The element with symbol "Mg"
Down
  1. What type of reaction is burning?
  2. What compound forms when hydrogen burns in oxygen?
  3. The atomic number of Magnesium
  4. A non-metal + oxygen gives this
  5. The element with atomic number 6
  6. Periodic Table: What is element 8?
  7. The formula for water
  8. Group 1 elements are called?
  9. The row number in the periodic table is called a?
  10. Shiny, conductive elements on the left side of the periodic table
  11. The element with symbol "Fe"

24 Clues: Metal + Oxygen → ? • The formula for water • Fuel + oxygen → ? + heat • Group 1 elements are called? • The element with symbol "Fe" • The element with symbol "Mg" • Group 18 elements are called? • The product of carbon + oxygen • The atomic number of Magnesium • A non-metal + oxygen gives this • CH₄ is the chemical formula for? • The gas essential for combustion • ...

Atoms & Elements 2024-11-20

Atoms & Elements crossword puzzle
Across
  1. center, or core, of an atom
  2. element that has the property of shiny luster, ductility, and malleability
  3. element that lacks most of the properties of a metal
  4. the way a material reflects light
  5. repeating pattern
  6. substances that cannot be chemically broken down into simpler substances
  7. smallest part an element that can be identified as that element
  8. number number of protons in the nucleus of an atom
  9. able to draw into thin wires
  10. table a chart that organizes the elements by their properties
  11. particle that has a positive charge
Down
  1. vertical column of elements, also called families
  2. elements that make up group 17 in the periodic table
  3. able to be hammered into different shapes
  4. particle that has no charge
  5. gases elements that make up group 18 in the periodic table
  6. particle that has a negative charge
  7. horizontal row of elements in the periodic table
  8. symbol shortened way of writing the name of an element
  9. elements that have characteristics of both metals and nonmetals
  10. elements made in a laboratory
  11. atom of an element with the same number of protons as the other atoms but a different number of neutrons

22 Clues: repeating pattern • center, or core, of an atom • particle that has no charge • able to draw into thin wires • elements made in a laboratory • the way a material reflects light • particle that has a negative charge • particle that has a positive charge • able to be hammered into different shapes • horizontal row of elements in the periodic table • ...

20 words 2023-01-05

20 words crossword puzzle
Across
  1. can visually help us to understand objects motion
  2. is the amount of space occupied by an object
  3. An element’s location on the periodic table
  4. is the amount of matter in an object
  5. is the interval between two events
  6. the distance an object travels per unit of time
  7. Metals are good conductors of
  8. All elements in the same period have the same number of energy levels
  9. can remain constant and the velocity change if the object is changing direction
  10. the most reactive metals
Down
  1. The horizontal rows of the periodic table
  2. The speed of an object and the direction of its motion
  3. Metalloids have chemical properties like
  4. The vertical columns of the periodic table
  5. speed is the total distance traveled divided by the total time traveled
  6. the nonreactive element
  7. are the systems used by scientists around the world to make measurements
  8. A table organizing all of the elements known to exist by atomic number and chemical properties is called
  9. is an exact quantity that people use for comparison
  10. Metalloids have physical properties like

20 Clues: the nonreactive element • the most reactive metals • Metals are good conductors of • is the interval between two events • is the amount of matter in an object • Metalloids have chemical properties like • Metalloids have physical properties like • The horizontal rows of the periodic table • The vertical columns of the periodic table • ...

Chemistry 2023-03-09

Chemistry crossword puzzle
Across
  1. __________ is when the object sinks
  2. ____________ is when the object floats.
  3. The _______ contains all the elements.
  4. Inside the nucleus, it contains _______ and neutrons.
  5. ___________ can be identified by PUFLART
  6. When two elements make an explosion it is called _____________?
  7. On the periodic table it contains ______?
  8. This whole unit is called ______.
  9. The "F" in PUFLART.
  10. The "U" in PUFLART,
Down
  1. This is the first element on the periodic table.
  2. Inside the nucleus, it contains protons, and _______.
  3. The "L" in PUFLART.
  4. The "R" in PUFLART.
  5. The "P" in PUFLART.
  6. The "T" in PUFLART.
  7. On the the leftt side beside the elements is called the _______.
  8. _______ gives off negative energy.
  9. When an object changes size, matter, or shape it is called?
  10. The "A" in PUFLART.
  11. On the periodic table the numbers on the top of the element is called?

21 Clues: The "L" in PUFLART. • The "R" in PUFLART. • The "P" in PUFLART. • The "T" in PUFLART. • The "A" in PUFLART. • The "F" in PUFLART. • The "U" in PUFLART, • This whole unit is called ______. • _______ gives off negative energy. • __________ is when the object sinks • The _______ contains all the elements. • ____________ is when the object floats. • ...

The Periodic Table Review (Yr 10) 2020-05-03

The Periodic Table Review (Yr 10) crossword puzzle
Across
  1. Extended 3D structure
  2. Core of an atom
  3. Small group of atoms bonded together
  4. 118 of these are known to exist
  5. A special block of elements in groups 3–12
  6. Bonding between non-metallic atoms
  7. Formed when electrons transfer from one atom to another
  8. Bonding based on an electron ‘sea’
  9. Different forms of the same element
Down
  1. One of two special blocks of elements at the bottom of the periodic table
  2. Shows how electrons are arranged in their shells
  3. Bonding that involves complete transfer of electrons
  4. Non-metals that are in group 17
  5. Group 18 gases
  6. Exists as single atoms
  7. The lightest of all the elements
  8. Horizontal rows in the periodic table
  9. Elements that have the same proton number but different numbers of neutrons
  10. Number that tells you how many protons are in the nucleus
  11. Metals that are in group 1
  12. Vertical columns in the periodic table

21 Clues: Group 18 gases • Core of an atom • Extended 3D structure • Exists as single atoms • Metals that are in group 1 • Non-metals that are in group 17 • 118 of these are known to exist • The lightest of all the elements • Bonding between non-metallic atoms • Bonding based on an electron ‘sea’ • Different forms of the same element • Small group of atoms bonded together • ...

Chemistry Unit Review Crossword 2017-02-09

Chemistry Unit Review Crossword crossword puzzle
Across
  1. groups of atoms that are bonded
  2. rows of elements on the Periodic Element Table
  3. a law that says that mass can’t be created or destroyed by any chemical reactions
  4. two chemical elements combined
  5. a substance that cannot be broken down into a simpler substance
  6. mass equal to protons and neutrons
  7. heat releasing reaction
  8. shiny, good electricity and heat conductors
  9. dull, poor electricity and heat conductors
  10. positive charge
  11. has positive and neutral charges
  12. electron an atom’s outermost energy level
Down
  1. Gas gaseous elements
  2. letters for every element
  3. heat absorption reaction
  4. neutral charge
  5. undergoes chemical changes to broken chemical bonds to create products
  6. a russian chemist and inventor that created the Periodic Element Table
  7. equal between nonmetals and metals
  8. new materials created by chemical reactions
  9. negative charge
  10. matter building blocks
  11. energy level or shell
  12. columns of elements on the Periodic Element Table

24 Clues: neutral charge • negative charge • positive charge • Gas gaseous elements • energy level or shell • matter building blocks • heat releasing reaction • heat absorption reaction • letters for every element • two chemical elements combined • groups of atoms that are bonded • has positive and neutral charges • equal between nonmetals and metals • mass equal to protons and neutrons • ...

Periodic Table Project 2024-11-22

Periodic Table Project crossword puzzle
Across
  1. polonium is this type of element
  2. Colorless,odorless,tasteless
  3. Rare Earth metals
  4. sodium is this type of element
  5. is a lanthanides
  6. gray white luster when cut
  7. Beryllium is this type of element
  8. nonmetals become blank ions called anions
  9. is a Alkaline earth metal
  10. metals blank electrons when bonded together
  11. the most reactive nonmetal
  12. metals become blank ions called cations
  13. is a Noblegases
  14. found on the outermost
  15. diagrams that describe the chemical bonding between atoms in a molecule
Down
  1. first to Develop the periodic table that was not published
  2. extreamly soft like cream cheese
  3. nonmetals blank electrons when bonded together
  4. made the first published periodic table
  5. is a halogen
  6. Fluorine is this type of element
  7. tellurium is this type of element
  8. All are radioactive
  9. sulfer is this type of element
  10. reacts with sulfure
  11. 7 valance electrons
  12. The horizontal rows of periodic table
  13. have multipule oxdation states
  14. is a alkali metal
  15. is a transition metal

30 Clues: is a halogen • is a Noblegases • is a lanthanides • Rare Earth metals • is a alkali metal • All are radioactive • reacts with sulfure • 7 valance electrons • is a transition metal • found on the outermost • is a Alkaline earth metal • gray white luster when cut • the most reactive nonmetal • Colorless,odorless,tasteless • sodium is this type of element • sulfer is this type of element • ...

8th Grade Physical Science Vocabulary Review 2022-03-06

8th Grade Physical Science Vocabulary Review crossword puzzle
Across
  1. resources that can be replenished in a short amount of time
  2. tiny, very dense, positively charged region in center of an atom; made up of protons & neutron
  3. found in group 13periodic table
  4. group 14 periodic table
  5. atomic mass unit; indicates mass on an atomic/molecular scale
  6. average mass of protons & neutrons in an element
  7. formulas and symbols written to represent a reaction
  8. specific area where electrons of same energy level are found
  9. most elements, typically solid, shiny malleable, & a good conductor of heat & electricity
  10. elements typically not shiny, usually a gas or brittle solid, not malleable, & a poor conductor of heat & electricity
  11. found in group 17 periodic table
  12. substance produced during a chemical reaction
  13. form as result of loss or gain of electrons; identified by overall net charge
  14. atoms of same element that have different numbers of neutrons
  15. particles smaller than an atom
  16. columns on periodic table that arranges the elements by the number of electrons that are in outside shell
  17. subatomic particle without charge; contributes to mass of an atom
  18. elements in Group 3 with atomic numbers 89 - 103
  19. rows in periodic table that classifies elements by number of atomic shells
  20. attempt to fill electron shells; ionic bonds, covalent bonds, metallic bonds
  21. number of protons in the nucleus of one atom
  22. elements/compounds that can only be separated/combined to make substances with new properties by means of chemical reaction
  23. found in group 16 periodic table
  24. combination of 2 or more substances that are not chemically combined
  25. form of charge, designated negative, positive, or neutral (without charge)
  26. substances that we obtain from land, water, & air around us, either renewable or nonrenewable
  27. anything that has mass & takes up space
  28. elements in Group 3 with atomic numbers 57 - 71
  29. one/two letter notation used to represent a particular element
  30. something that can produce heat, power life, move objects, or produce electricity
  31. process by which one or more substances change to produce one or more different substances
  32. found in Group 2 Periodic Table
  33. mass of all reactants must equal mass of all products, mass is neither created nor destroyed
Down
  1. electrons in the outermost energy level of an atom that influence how element will react with other substances
  2. table showing chemical elements arranged according to their atomic numbers
  3. cannot be remade or re-grown at a scale comparable to its consumption
  4. negatively charged subatomic particle; involved in formation of chemical bonds
  5. - can be observed without changing identity
  6. substances that change into new identity; difficult to put back into original matter
  7. number written below & to right of a chemical symbol, shows the number of a specific type of atom present
  8. pure substance that cannot be separated into simpler substances by physical or chemical means
  9. found in Group 1 Periodic Table
  10. found in groups 3 - 12 periodic table
  11. all of the area inside an atom surrounding nucleus where electrons are found
  12. found in group 18periodic table
  13. oil, coal, natural gas
  14. positively charged subatomic particle; contributes to the mass of the atom
  15. two elements react to form a compound
  16. found in group 15 Periodic Table
  17. substance that takes part in & undergoes change during a reaction
  18. number placed in front of a chemical symbol or formula during balancing of equation
  19. smallest unit that has all of the properties of that element containing a nucleus within an electron
  20. rate at which chemical substance tends to undergo chemical reaction & significantly influenced by valence electrons
  21. pure substance composed of two or elements chemically
  22. elements that have properties of both metals & nonmetals

55 Clues: oil, coal, natural gas • group 14 periodic table • particles smaller than an atom • found in group 13periodic table • found in Group 1 Periodic Table • found in group 18periodic table • found in Group 2 Periodic Table • found in group 17 periodic table • found in group 15 Periodic Table • found in group 16 periodic table • found in groups 3 - 12 periodic table • ...

Unit 1 Vocabulary Games 2021-09-14

Unit 1 Vocabulary Games crossword puzzle
Across
  1. radius of neutral atom.
  2. ex:acidity,reactivity,flammability.
  3. solid,liquid,gas,plasma.
  4. take shape of its container.
  5. negative charge circling the nucleus.
  6. can be found in the center of periodic table.
  7. found on the right side of the periodic table.
  8. two or more substance combined together.
  9. example:color,length,volume,luster.
  10. similar to electron shells.
  11. elements 58-71.
  12. cannot be broken down into smaller substances.
  13. family found in group 17.
  14. found on the left side of periodic table.
  15. contains genetic materials.
  16. liquid to gas.
  17. family found in group 18.
  18. energy needed to remove an electron.
  19. made up of two or more element.
  20. smallest particle of an element.
  21. the bigger number on an element.
  22. tightly packed.
  23. held together by chemical bond.
  24. abbreviated elements on the periodic table.
  25. orbital rings around the nucleus.
  26. solid to gas.
  27. smallest particle in the universe.
Down
  1. positive charge inside a nucleus.
  2. cannot be reversible.
  3. energy needed to attract electron.
  4. the sum of all mass of an element isotopes.
  5. the smaller number on the element.
  6. gas to liquid.
  7. family found in group 1.
  8. difference in number of neutrons.
  9. can be reversible.
  10. not uniform to the eye.
  11. negative ions.
  12. made up of one type of particle.
  13. family found in group 2.
  14. appear uniform to the eye.
  15. elements 90-103.
  16. stair-steps on periodic table.
  17. neutral charge inside the nucleus.
  18. positive ions.
  19. radius of an atom's ion.
  20. area around nucleus where the electrons are likely to be found.
  21. no definite shape or volume.
  22. difference in number of electrons.
  23. very high temperature of a star.

50 Clues: solid to gas. • gas to liquid. • negative ions. • positive ions. • liquid to gas. • elements 58-71. • tightly packed. • elements 90-103. • can be reversible. • cannot be reversible. • radius of neutral atom. • not uniform to the eye. • solid,liquid,gas,plasma. • family found in group 1. • family found in group 2. • radius of an atom's ion. • family found in group 17. • family found in group 18. • ...

Compounds Physical Science 2025-04-04

Compounds Physical Science crossword puzzle
Across
  1. Elements in the same group have ______________ properites.
  2. These numbers are used to show how many electrons were either lost or gained to write chemical names
  3. Covalent bonds are formed when electrons are ___________________.
  4. Covalent bonds are formed between a ______________ and a ________________.
  5. The oxidation numbers must equal __________ to write a chemical formula.
  6. This side of the periodic table is made of metals.
  7. The anion is the ___________________ ion.
  8. Which group on the periodic table is nonreactive elements.
  9. This ion is always written first in a chemical name.
  10. These columns show families.
  11. Name the following compound: AgSO4
  12. This ion is always written second in a chemical name.
  13. The cation is the _________________ ion.
  14. These large numbers are placed in front of a chemical name to show multiple molecules.
  15. The group number tells you the number of _______________ electrons in the last energy level.
  16. A shorthand way of writing chemical names are called chemical _____________.
Down
  1. When an atom loses electrons it becomes a _________________ charged ion.
  2. These rows run left to right on the periodic table.
  3. The small numbers that tell you how many atoms are in a chemical formula are called _________________.
  4. These molecules are formed between two of the same elements.
  5. Ionic bonds are formed between a ____________ and a ___________
  6. Write the name for N2P5.
  7. These bonds are formed when two ions attract.
  8. When an atom gains electrons it becomes a ___________________ charged ion.
  9. These elements are found along the staircase of the periodic table.
  10. These ions act like one element, but are composed of multiple elements.
  11. Ionic bonds are formed from the _________________ of electrons.
  12. This side of the periodic table is made of nonmetals.
  13. The electrons in the last energy level are called the ________________ electrons.
  14. The period number tells you the number of energy ____________ of an atom.
  15. ________________ are formed between two different elements.

31 Clues: Write the name for N2P5. • These columns show families. • Name the following compound: AgSO4 • The cation is the _________________ ion. • The anion is the ___________________ ion. • These bonds are formed when two ions attract. • This side of the periodic table is made of metals. • These rows run left to right on the periodic table. • ...

Unit 1 Atomic Structure 2025-01-07

Unit 1 Atomic Structure crossword puzzle
Across
  1. The outtermost electrons in an atom. The 'bonding' electrons.
  2. A horizontal row of elements in the periodic table
  3. A chart of the elements showing the repeating pattern of their properties
  4. Number of protons and neutrons
  5. A subatomic particle that has a negative charge
  6. Number of protons in an atom
  7. The electron filling rule that electrons fill the lowest energy level first
  8. The 'ring' from the bohr model, the principal quantum number in the quantum model.
  9. the arrangement of electrons in an atom
  10. describes the motions of subatomic particles
  11. Area around the nucleus. Electrons are found here. Volume of the atom
  12. The shape an electrons moves in around the nucleus
Down
  1. A model showing only the valence electrons in an atom
  2. A subatomic particle that has a positive charge and that is found in the nucleus of an atom
  3. an element in group 2 of the periodic table
  4. Group 18 of the periodic table
  5. A subatomic particle that has no charge and that is found in the nucleus of an atom
  6. Vertical column in the periodic table
  7. The electron filling rule that each orbital gets 2 electrons with opposite spin
  8. an element in group 1 of the periodic table
  9. Group 17
  10. model of an atom that shows electrons in circular orbits around the nucleus
  11. The electron filling rule that electrons fill orbitals of the same energy will have the maximum number of electrons with the same spin
  12. Center of an atom. Protons and neutrons found here. Mass of the atom.
  13. Smallest unit of matter that retains all of the chemical properties of an element.

25 Clues: Group 17 • Number of protons in an atom • Number of protons and neutrons • Group 18 of the periodic table • Vertical column in the periodic table • the arrangement of electrons in an atom • an element in group 2 of the periodic table • an element in group 1 of the periodic table • describes the motions of subatomic particles • A subatomic particle that has a negative charge • ...

Atoms, Elements & the PT 2025-11-21

Atoms, Elements & the PT crossword puzzle
Across
  1. Came up with the "Atomic Theory of Matter"
  2. Discovered neutrons
  3. Discovered the electron
  4. Father of the periodic table
  5. substance that is made up of only one kind of atom
  6. smallest part of an element that can be identified as that element and has properties of that element
  7. Discovered that electrons go around the nucleus in different energy levels
  8. when atoms of the same element have varying numbers of neutrons
  9. characteristic used to describe an object
  10. Occupy the top right hand corner of the periodic table; brittle, dull, mostly solids and gases at room temp, higher numbers of valence electrons
  11. a column in the periodic table
  12. anything that has mass and takes up space
  13. number, the number of protons and neutrons added together
Down
  1. particle that has no charge - located in the nucleus of an atom
  2. center, or core, of an atom (where the protons and neutrons are located)
  3. particle that has a positive charge - located in the nucleus of an atom.
  4. a row in the periodic table
  5. Realized that electrons are found in electron clouds
  6. particle that has a negative charge - located in rings outside the nucleus of an atom.
  7. , The largest portion of the elements on the periodic table; shiny, malleable, ductile, rust, lower number of valence electrons, almost all solids at room temp
  8. Discovered the nucleus, protons, and said that atoms are mostly empty space
  9. Ancient Greek who first proposed the idea of an atom
  10. Cross between a metal and a nonmetal
  11. atomic mass unit
  12. mass, the weighted average of the nucleus of an atom

25 Clues: atomic mass unit • Discovered neutrons • Discovered the electron • a row in the periodic table • Father of the periodic table • a column in the periodic table • Cross between a metal and a nonmetal • characteristic used to describe an object • anything that has mass and takes up space • Came up with the "Atomic Theory of Matter" • ...

Matter Menu Appitizer 2016-09-29

Matter Menu Appitizer crossword puzzle
Across
  1. The largest category on the Periodic Table
  2. The number of protons in the nucleus of an atom
  3. A category on the Periodic Table that has characteristics of metals and non-metals
  4. The horizontal rows in the Periodic Table
  5. True or false, Most non-metals are solid at room temperature
Down
  1. True or false, Metals are good conductors of heat and electricity and are solid at room temperature
  2. What the Periodic Table is made up of
  3. A category on the Periodic Table that does not have characteristics of metals
  4. The vertical rows in the Periodic Table
  5. This is the short form to represent each element in its element box.

10 Clues: What the Periodic Table is made up of • The vertical rows in the Periodic Table • The horizontal rows in the Periodic Table • The largest category on the Periodic Table • The number of protons in the nucleus of an atom • True or false, Most non-metals are solid at room temperature • This is the short form to represent each element in its element box. • ...

Unit 2 2025-10-28

Unit 2 crossword puzzle
Across
  1. The smallest part of a chemical element.
  2. Group 7 of the periodic table
  3. Group 8 of the periodic table
  4. Are the electrons found in the outermost energy level of an atom.
Down
  1. Two or more different atoms chemically joined together
  2. Group 1 of the periodic table
  3. Horizontal rows on the periodic table
  4. One or two letter code to identify the elements
  5. Vertical columns on the periodic table
  6. The repeating patterns of properties when arranged by increasing atomic number.

10 Clues: Group 1 of the periodic table • Group 7 of the periodic table • Group 8 of the periodic table • Horizontal rows on the periodic table • Vertical columns on the periodic table • The smallest part of a chemical element. • One or two letter code to identify the elements • Two or more different atoms chemically joined together • ...

Scientific Method and Periodic Table Crossword Puzzle 2024-09-19

Scientific Method and Periodic Table Crossword Puzzle crossword puzzle
Across
  1. vertical columns in the periodic table called
  2. Fe is the symbol for what element
  3. this step involves using the 5 senses
  4. electrons in the outermost shell
  5. most abundant elements of the periodic table
  6. the difference between atomic mass and atomic number
  7. equals the number of protons
  8. horizontal columns in the periodic table
  9. minimum times an experiment should be conducted
  10. number of electrons in the second and third shell
  11. variable that is measured
  12. these elements have the nickname of the staircase
  13. most exciting step of the scientific method
  14. final step of the scientific method
Down
  1. equals the number of protons
  2. written as an if then statement
  3. found in the nucleus
  4. number of electrons in the first shell/cloud/energy level
  5. pure substance made up of only one atom
  6. what is changed in an experiment/testing

20 Clues: found in the nucleus • variable that is measured • equals the number of protons • equals the number of protons • written as an if then statement • electrons in the outermost shell • Fe is the symbol for what element • final step of the scientific method • this step involves using the 5 senses • pure substance made up of only one atom • what is changed in an experiment/testing • ...

Chemistry Crossword Puzzle 2023-10-29

Chemistry Crossword Puzzle crossword puzzle
Across
  1. most dense element
  2. charge of an atom when there are less electrons than protons
  3. element without a family
  4. positively charged subatomic particles
  5. where elections can be found
  6. elements in group 18
  7. most abundant natural element on earth
  8. greatest chemist of all time
  9. Atom with a positive or negative charge
  10. family found in group 18
  11. family found in d-block
Down
  1. charge of an atom when there are more electrons than protons
  2. vertical columns on the periodic table
  3. who organized the periodic table
  4. electrons in the outermost energy level of an atom
  5. rarest naturally occurring element in earth's crust
  6. major contributor to the atomic bomb
  7. charge of an atom when there are the same number of electrons and protons
  8. force of attraction or repulsion by charged particles
  9. Group 1 of the periodic table

20 Clues: most dense element • elements in group 18 • family found in d-block • element without a family • family found in group 18 • where elections can be found • greatest chemist of all time • Group 1 of the periodic table • who organized the periodic table • major contributor to the atomic bomb • vertical columns on the periodic table • positively charged subatomic particles • ...

Atoms and Elements Crossword Puzzle 2025-11-04

Atoms and Elements Crossword Puzzle crossword puzzle
Across
  1. able to be hammered or rolled into thin sheets
  2. the ability of a substance to transfer heat or electricity
  3. a machine that moves atomic nuclei at high speeds to make heavier elements
  4. a particle in the nucleus of an atom that has no electric charge
  5. the average mass of all the isotopes of an element
  6. a chart of elements arranged by increasing atomic number and similar properties
  7. elements in groups 3-12 of the periodic table; includes metals like iron, copper, and gold with moderate reactivity
  8. element that are typically shiny, malleable, ductile, and good conductors of heat and electricity
  9. the number of protons in the nucleus of an atom; identifies the element
  10. the sum of the protons and neutrons in the nucleus of an atom
Down
  1. a negatively charged particle that moves around the nucleus of an atom
  2. the specific region around the nucleus where electrons are likely to be found
  3. the process in which two atomic nuclei combine to form a larger nucleus, releasing large amounts of energy
  4. the center of an atom that contains protons and neutrons
  5. how easily an element combines with other elements and compounds
  6. atoms of the same element that have different numbers of neutrons
  7. a high-energy state of matter in which atoms lose electrons, creating a mixture of charged particles
  8. the gradual wearing away of a metal due to a chemical reaction, often with oxygen
  9. one or two letters that represent an element
  10. metal elements in group 2 of the periodic table; fairly reactive metals such as magnesium and calcium
  11. able to be pulled into thin wires
  12. the smallest particles of an element that has the properties of that element
  13. a positively charged particle found in the nucleus of an atom
  14. elements in group 1 of the periodic table; very reactive metals such as sodium and potassium
  15. a horizontal row on the periodic table
  16. a vertical column on the periodic table; elements in the same group share similar properties

26 Clues: able to be pulled into thin wires • a horizontal row on the periodic table • one or two letters that represent an element • able to be hammered or rolled into thin sheets • the average mass of all the isotopes of an element • the center of an atom that contains protons and neutrons • the ability of a substance to transfer heat or electricity • ...

Chemistry Review 2017-02-10

Chemistry Review crossword puzzle
Across
  1. Substance in simplest form
  2. Shiny, malleable, conductive
  3. Dull, brittle, not conductive
  4. Says that mass is not destroyed or gained in a reaction
  5. Row on periodic table
  6. Columns of Periodic table
  7. Carries negative charge
  8. Substance takes parts in chemical reaction
  9. Mass of an element
  10. Gases of Group 18, Outer shells are full
Down
  1. Energy level of atoms
  2. Basic unit of an element
  3. Electron in outermost orbital
  4. Inventor of first periodic table
  5. Abbreviation of element
  6. Center of an atom
  7. Number of protons and electrons in the element
  8. Reaction that gives of heat
  9. Substance with at least 2 elements chemically bonded together
  10. Carries Neutral Charge
  11. Reaction that produces cold substance
  12. Substance formed as a result of a chemical reaction
  13. Groups on atoms bonded together
  14. Carries Positive Charge
  15. Shares properties of both metals and metalloids

25 Clues: Center of an atom • Mass of an element • Energy level of atoms • Row on periodic table • Carries Neutral Charge • Abbreviation of element • Carries Positive Charge • Carries negative charge • Basic unit of an element • Columns of Periodic table • Substance in simplest form • Reaction that gives of heat • Shiny, malleable, conductive • Electron in outermost orbital • ...

MATTER CROSSWORD 2020-08-23

MATTER CROSSWORD crossword puzzle
Across
  1. it is what is in the periodic table
  2. it makes us the world
  3. the person cameup with the hydrogen atom theory
  4. a molecule with positive and negative atoms
  5. is the negatively charged part of atom
  6. columns in the periodic table
  7. is the part of the atom that hold the DNA
  8. the opposite of positive
  9. a negatively charged ion
  10. did the gold foil experiment
  11. the outer shell of the atom
  12. the person who came up with the idea of atoms
Down
  1. the opposite of negative
  2. made the plumb pudding diagram
  3. the same type of atoms in a group
  4. H2O
  5. a positively charged ion
  6. a different variant of a atom
  7. is the positive part of the atom
  8. is the neutral part of the atom
  9. in the middle
  10. is the place around the atom
  11. rows in the periodic table

23 Clues: H2O • in the middle • it makes us the world • the opposite of negative • a positively charged ion • the opposite of positive • a negatively charged ion • rows in the periodic table • the outer shell of the atom • is the place around the atom • did the gold foil experiment • a different variant of a atom • columns in the periodic table • made the plumb pudding diagram • ...

Periodic Table Crossword Puzzle 2020-03-25

Periodic Table Crossword Puzzle crossword puzzle
Across
  1. It is applied to the skin for skin inflammation and to kill germs and facilitate wound healing.
  2. Used in batteries and hybrid vehicles.
  3. Non-metal that has 34 atomic number.
  4. The first element at Period 4 in the group 9.
  5. The ninth most abundant element on Earth.
  6. Metal in group 15.
  7. It has ability to resist corrosion.
  8. Ferrum is my Latin name.
  9. To galvanise other metals, such as iron, to prevent rusting.
  10. Humans and animals need me for breathing.
  11. The symbol is Au in the periodic table.
Down
  1. Exists in three important allotropic forms (diamond, graphite & fullerenes).
  2. The least reactive in group 1.
  3. Has 25 atomic number.
  4. In the group 2, it does not react with water.
  5. Important for bone health.
  6. Metalloids in group 14.
  7. Has 9 atomic number.
  8. The symbol is W in the periodic table.
  9. The lightest element in the periodic table.

20 Clues: Metal in group 15. • Has 9 atomic number. • Has 25 atomic number. • Metalloids in group 14. • Ferrum is my Latin name. • Important for bone health. • The least reactive in group 1. • It has ability to resist corrosion. • Non-metal that has 34 atomic number. • Used in batteries and hybrid vehicles. • The symbol is W in the periodic table. • The symbol is Au in the periodic table. • ...

Unit 2 2023-01-24

Unit 2 crossword puzzle
Across
  1. what was Bohr's model called
  2. Who discovered the neutron?
  3. boron and Antimony are examples of?
  4. Thompson's model called?
  5. barium and magnesium are what type of metal?
  6. what contains electrons that are massless, and are negatively charged?
  7. what ion has a positive charge?
  8. what ion gains electrons?
  9. what charge does Electrons have?
  10. What is 80% of the periodic table made of?
  11. the way electrons are arranged in various orbitals.
  12. What is easy to break and are poor conductors?
Down
  1. what radioactive decay emits a new electron?
  2. Dalton's model is called?
  3. what are the horizontal rows called on the periodic table?
  4. what are the vertical columns on the periodic table?
  5. AMU stands for?
  6. who discovered the proton?
  7. what is the name of group 18 or 8A called?
  8. what is the wave's height from zero to crest called?

20 Clues: AMU stands for? • Thompson's model called? • Dalton's model is called? • what ion gains electrons? • who discovered the proton? • Who discovered the neutron? • what was Bohr's model called • what ion has a positive charge? • what charge does Electrons have? • boron and Antimony are examples of? • what is the name of group 18 or 8A called? • ...

Chemical Reactions 2025-03-05

Chemical Reactions crossword puzzle
Across
  1. a change that can be reversed. no new substance is made
  2. a column in the periodic table
  3. shiny
  4. able to hammered into flat sheets
  5. positively charged particle
  6. the number of protons in the nucleus
  7. _____________ of mass says that the mass in the beginning is the same as the mass at the end
  8. the center of an atom
  9. has a negative charge
  10. able to be made into wires
Down
  1. the same throughout
  2. different throughout
  3. the mass of the protons plus neutrons
  4. 2 or more elements or compounds not chemically combined
  5. breaks easily
  6. 2 or more elements joined together chemically
  7. a change that is irreversible. a new substance is created
  8. the smallest unit of matter
  9. has no charge
  10. the table that contains all of the elements
  11. one kind of atom
  12. a row of the periodic table

22 Clues: shiny • breaks easily • has no charge • one kind of atom • the same throughout • different throughout • the center of an atom • has a negative charge • able to be made into wires • positively charged particle • the smallest unit of matter • a row of the periodic table • a column in the periodic table • able to hammered into flat sheets • the number of protons in the nucleus • ...

Reading the periodic table 2025-09-25

Reading the periodic table crossword puzzle
Across
  1. this element has the symbol Ne
  2. this element has the symbol Na
  3. this element has the symbol N
  4. this element has the symbol H
  5. this element has the symbol C
  6. this element has the symbol K
  7. this element has the symbol Si
  8. this element has the symbol Ar
  9. solids on the left side of the periodic table
  10. these elements don't form bonds
  11. this element has the symbol O
  12. this element has the symbol Li
  13. this element has the symbol He
Down
  1. this element has the symbol P
  2. this element has the symbol I
  3. this element has the symbol Cl
  4. solids and gases on the right side of the periodic table
  5. this element has the symbol Al
  6. this element has the symbol Mg
  7. these non-metals are group 17
  8. these metals are group 1 on the periodic table
  9. this element has the symbol Ca

22 Clues: this element has the symbol P • this element has the symbol I • this element has the symbol N • this element has the symbol H • this element has the symbol C • this element has the symbol K • these non-metals are group 17 • this element has the symbol O • this element has the symbol Ne • this element has the symbol Na • this element has the symbol Cl • ...

Chemistry Review 2024-05-08

Chemistry Review crossword puzzle
Across
  1. A substance made of one element
  2. The measure of how easily something is shaped
  3. A way to separate mixtures by their density
  4. A substance's ability to be dissolved
  5. A change that creates a new substance
  6. A different name for a homogeneous mixture
  7. The amount of matter in a object
  8. Has properties of both metals and non-metals
  9. Located in the middle of the periodic table
  10. The most reactive substances on the periodic table
Down
  1. A positively charged particle that makes up atoms
  2. A physically bound combination of many materials
  3. Least reactive substances on the periodic table
  4. A solid formed from a chemical reaction
  5. The second most reactive metals
  6. Anything lower than 7 on the acid scale
  7. The flammability of a material
  8. A way to separate mixtures through boiling
  9. The space something takes up
  10. The smallest unit of matter

20 Clues: The smallest unit of matter • The space something takes up • The flammability of a material • A substance made of one element • The second most reactive metals • The amount of matter in a object • A substance's ability to be dissolved • A change that creates a new substance • A solid formed from a chemical reaction • Anything lower than 7 on the acid scale • ...

Chemistry Vocabulary 2016-12-01

Chemistry Vocabulary crossword puzzle
Across
  1. The electrical charge of the electron
  2. The basic building block of most of the matter around us
  3. A chart of the elements
  4. The eighteenth family on the periodic table they are non reactive
  5. Change that results in the formation of a new substance
  6. Vertical column in the periodic table
  7. A group of elements that have properties of both metals and nonmetals
  8. Electrical property that can be either positive or negative
  9. Measure of an atom's mass that is equal to the number of protons and neutrons in the atom's nucleus
  10. The process in which bubbles of gas form throughout a liquid and rise to the surface
Down
  1. The first family on the periodic table they are very reactive
  2. The second family on the periodic table
  3. The temperature at which a substance boils
  4. Force that holds atoms together in molecules
  5. The positive negatively charged subatomic particle that is located in the nucleus of an atom
  6. The energy that is stored in chemical bonds
  7. The neutrally charged subatomic particle that is located inside the nucleus of an atom
  8. The number of protons in the nucleus of an atom
  9. The electrical charge of the proton
  10. Anything that has mass and takes up space

20 Clues: A chart of the elements • The electrical charge of the proton • The electrical charge of the electron • Vertical column in the periodic table • The second family on the periodic table • Anything that has mass and takes up space • The temperature at which a substance boils • The energy that is stored in chemical bonds • Force that holds atoms together in molecules • ...

Elemental, My Dear Watson 2023-10-30

Elemental, My Dear Watson crossword puzzle
Across
  1. The columns of the periodic table
  2. Periodic table family containing Sodium, Rubidium, Cesium, Francium, Lithium, and Potassium
  3. The act of emitting radiation spontaneously. Many elements with a higher number of protons are this word
  4. The top row ot the F block; contained Lanthanum, Cerium, Europium, etc
  5. The family located in Group 2
  6. The family containing Bromine, Fluorine, Astatine, Chlorine, Iodine, and Tennessine
  7. The only non reactive elements
  8. 1st element found by Marie Curie; the most expensive element; named after Poland
  9. Natural materials that do not produce heat or electricity and that are structurally brittle
Down
  1. An element that has been used in bombs, paint, and ceramics
  2. The characteristics that enable us to differentiate one material from another
  3. The Family that stretches across group 3 to group 12
  4. Created the first periodic table. Based his arrangement on atomic mass
  5. An element who has properties of both metals and nonmetals
  6. The bottom row of the F block; contains Actinium, Americium, Lawrencium, etc
  7. The rows of the periodic table
  8. An element found in every living thing
  9. The electrons located in the outermost energy level of an atom
  10. An atom that has lost or gained one or more electrons
  11. Usually have a shiny metallic luster and reflective surface

20 Clues: The family located in Group 2 • The rows of the periodic table • The only non reactive elements • The columns of the periodic table • An element found in every living thing • The Family that stretches across group 3 to group 12 • An atom that has lost or gained one or more electrons • An element who has properties of both metals and nonmetals • ...

Chemistry vocab review 2025-12-14

Chemistry vocab review crossword puzzle
Across
  1. small number in a chemical formula that indicated the number of atoms of that element
  2. horizontal row on the periodic table
  3. electron found in the outermost energy level
  4. subatomic particle with a negative charge
  5. type of element found on the left side of the zig zag line on the periodic table
  6. substance made of only one type of atom
  7. substance made of two or more types of atoms that are chemically attached
  8. reaction that gives off heat
  9. property that can be observed without changing the identity of the substance
  10. subatomic particle that creates chemical bonds
  11. "ring" where electrons are likely to be found
  12. type of element touching the zig zag line of the periodic table
  13. reaction that absorbs heat
Down
  1. vertical column on the periodic table
  2. state of matter with the highest kinetic energy
  3. substance created in a chemical reaction
  4. property that is observed when a substance changes into something new
  5. element with 17 protons
  6. change from a gas to a liquid
  7. number of energy levels in an atom of uranium
  8. large number in front of a chemical formula
  9. substance with two more things that are not chemically attached
  10. number of valence electrons in helium
  11. subatomic particle in the nucleus with a positive charge
  12. substance at the start of a chemical reaction

25 Clues: element with 17 protons • reaction that absorbs heat • reaction that gives off heat • change from a gas to a liquid • horizontal row on the periodic table • vertical column on the periodic table • number of valence electrons in helium • substance made of only one type of atom • substance created in a chemical reaction • subatomic particle with a negative charge • ...

The Periodic Table and Trends 2024-11-12

The Periodic Table and Trends crossword puzzle
Across
  1. holds electrons, as you go down a period you gain an extra one
  2. The ability of protons (+) to pull in electrons (-)
  3. A three-dimensional mathematical description of the most likely location of an electron in an atom
  4. Electrons are negatively charged subatomic particles. They are present in the energy shells around the nucleus of an atom.
  5. Tend to be brittle, are semiconductors, and include elements like Arsenic and Silicon
  6. The outermost shell, or principal quantum level, of an atom
  7. Are shiny, are good conductors of heat/electricity, most of the elements on the periodic table are these
  8. Occurring repeatedly from time to time, consisting of or containing a series of repeated patterns, cyclic
  9. A subatomic particle with a positive charge that is located in the nucleus of an atom and has a mass of approximately 1 amu.
  10. The electrons in the energy levels between protons and valence electrons blocking their attraction
  11. The creation of an ion through the loss of one or more electrons from an atom
Down
  1. The ability of matter to combine chemically with other substances
  2. Describe the general change in some variable in relation to another and can be described as decreasing, going down, or increasing, going up.
  3. The most reactive group on the Periodic Table, has 1 valence electron
  4. The vertical columns (up-down). There are 18 groups on the Periodic Table.
  5. Atomic radius is a measure of the size of an atom, and is generally defined as the distance from the nucleus to the outermost electron orbit
  6. The tendency of an atom to attract electrons and acquire a negative charge
  7. The least reactive group on the Periodic Table, has 8 valence electrons
  8. The horizontal rows (left-right). There are 7 periods on the Periodic Table.
  9. A subatomic particle with no electric charge that is located within the nucleus of the atom and has a mass approximately equal to 1 amu.

20 Clues: The ability of protons (+) to pull in electrons (-) • The outermost shell, or principal quantum level, of an atom • holds electrons, as you go down a period you gain an extra one • The ability of matter to combine chemically with other substances • The most reactive group on the Periodic Table, has 1 valence electron • ...

Periodic Table Vocab 2023-05-09

Periodic Table Vocab crossword puzzle
Across
  1. What group is Phosphorus in?
  2. Tells the number of p+ in an atom of the element
  3. Shiny, silvery solids and good conductors
  4. What group is the most reactive?
  5. How many protons does Sulfur have?
  6. gases, or dull brittle solids and poor conductors
  7. the horizontal rows on the periodic table
  8. What do the periods stand for?
  9. What is group 2 names
  10. Is Boron a Not-Metal, Metal, Or metalloid
Down
  1. Average of all the different versions of an element
  2. What does Br stand for?
  3. Is fluorine a Not-Metal, Metal, Or metalloid
  4. Is Gold a Not-Metal, Metal, Or metalloid
  5. What is the most reactive nonmetal
  6. What is the highest number on the periodic table
  7. the vertical columns on the periodic table
  8. What group is non-reactive?
  9. solids and semiconductors
  10. Is Beryllium a Not-Metal, Metal, Or metalloid

20 Clues: What is group 2 names • What does Br stand for? • solids and semiconductors • What group is non-reactive? • What group is Phosphorus in? • What do the periods stand for? • What group is the most reactive? • What is the most reactive nonmetal • How many protons does Sulfur have? • Is Gold a Not-Metal, Metal, Or metalloid • Shiny, silvery solids and good conductors • ...

m 2023-05-09

m crossword puzzle
Across
  1. the name given to elements in group 18
  2. amount of protons and neutrons in an element
  3. the smallest particle to exist
  4. the rows in the periodic table
  5. neutral atom
  6. smallest part of an element
  7. electrons in the outer energy level
  8. made the periodic table
  9. amount of protons in an element
Down
  1. the name given to elements in group 1 (except hydrogen)
  2. same element; different amount of neutrons
  3. the columns in the periodic table
  4. organizes the elements in a particular order
  5. positively charged atoms
  6. model that represents the proton and neutrons in the nucleus along with the electrons and shells
  7. the balanced finished part when balancing equations
  8. center of the atom containing the protons and neutrons
  9. the side of when balancing equations that needs to be balanced out
  10. negatively charged atoms

19 Clues: neutral atom • made the periodic table • positively charged atoms • negatively charged atoms • smallest part of an element • the smallest particle to exist • the rows in the periodic table • amount of protons in an element • the columns in the periodic table • electrons in the outer energy level • the name given to elements in group 18 • same element; different amount of neutrons • ...

Science 2020-12-14

Science crossword puzzle
Across
  1. Attraction between atoms
  2. chemical element
  3. Horizontal sequence on the periodic table
  4. No charge
  5. what makes up an atom
Down
  1. Center of an atom
  2. Vertical column on the periodic table
  3. Two elements combined
  4. Positive charge
  5. Negative Charge
  6. A part of the periodic table

11 Clues: No charge • Positive charge • Negative Charge • chemical element • Center of an atom • Two elements combined • what makes up an atom • Attraction between atoms • A part of the periodic table • Vertical column on the periodic table • Horizontal sequence on the periodic table

Ch. 5 Test Review 2023-03-28

Ch. 5 Test Review crossword puzzle
Across
  1. The energy required to remove one electron from a neutral atom of an element
  2. Group 17 elements
  3. an atom or group of bonded atoms that has a positive or negative charge
  4. columns on the periodic table that share similar chemical properties
  5. a negative ion
  6. p-block and s-block elements
  7. discovered that the elements fit into patterns better when they were arranged according to atomic number, rather than atomic mass.
  8. ________ tend to form cations.
  9. Any process that results in the formation of an ion
  10. outer-shell electrons that are used to form chemical compounds
  11. additions to the periodic table after Mendeleev’s version
  12. metallic elements located in the d-block
  13. Mendeleev placed all the known elements in his periodic table. Several _______ ________ were left.
  14. Group 1 elements
  15. Group 2 elements
  16. Mendeleev predicted the ____________ of elements that would fill three of the spaces.
Down
  1. is arranged by atomic mass
  2. Anions form when an atom ______ one or more electrons.
  3. the second row of the f block; they are all radioactive
  4. The energy change that occurs when an electron is acquired by a neutral atom
  5. is arranged by atomic number.
  6. The difference in atomic numbers down a group is ____ ______ for each main group.
  7. ________ tend to form anions.
  8. repeating patterns
  9. created a table of elements so that similar properties were grouped together, called the periodic table of the elements
  10. a measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound
  11. Cations form when an atom ______ of one or more electrons.
  12. rows of the periodic table
  13. a positive ion
  14. an arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column, or group
  15. the first row of the f block; they are shiny metals
  16. Group 18 elements
  17. means "one"
  18. one-half the distance between the nuclei of identical atoms that are bonded together
  19. states that the physical and chemical properties of the elements are periodic functions of their atomic numbers.
  20. Mendeleev used “eka” to show that the unknown element was ____ _______ _____ from the known element

36 Clues: means "one" • a negative ion • a positive ion • Group 1 elements • Group 2 elements • Group 17 elements • Group 18 elements • repeating patterns • is arranged by atomic mass • rows of the periodic table • p-block and s-block elements • is arranged by atomic number. • ________ tend to form anions. • ________ tend to form cations. • metallic elements located in the d-block • ...

Chemistry Crossword Puzzle 2022-12-08

Chemistry Crossword Puzzle crossword puzzle
Across
  1. are groups that run up and down
  2. a particle with a negative charge found in all cells surrounding the protons and neutrons.
  3. a particle of matter that defines a chemical element
  4. happening/acting suddenly.
  5. a particular kind of matter
  6. elements on the right side of the periodic table
  7. a table of the chemical elements arranged in order of atomic number
  8. elements on the left side of the periodic table
  9. a change in matter that doesn't change the chemical.
  10. chemical/reaction on the periodic table
Down
  1. energy can neither be created nor destroyed.
  2. the brain/main part of a cell.
  3. characteristics that show us the difference of materials
  4. a change of chemical into another/one or more substance is formed.
  5. a representation of a chemical reaction using symbols of the elements
  6. the structure and properties of ______
  7. the electrons located at the outermost shell of an atom
  8. a substance that undergoes change during a reaction.
  9. periods that go left to right

19 Clues: happening/acting suddenly. • a particular kind of matter • periods that go left to right • the brain/main part of a cell. • are groups that run up and down • the structure and properties of ______ • chemical/reaction on the periodic table • energy can neither be created nor destroyed. • elements on the left side of the periodic table • ...

Chemistry Vocabulary Crossword 2023-09-28

Chemistry Vocabulary Crossword crossword puzzle
Across
  1. When a substance or material can conduct heat or electricity.
  2. Symbol An abbreviation for an element usually made of one or two letters.
  3. A type of scale that is often used to classify substances.
  4. properties Can be recognized when they undergo a chemical change or a change in composition.
  5. table A table of elements.
  6. Change Results in which one or more new substances are formed from the previous. The result has new chemical and physical properties.
  7. The pH is more than 7.
  8. Located on the left side of the staircase on the periodic table.
  9. When a substance undergoes chemical changes.
Down
  1. The ability for a substance to dissolve in a liquid.
  2. change Only changes the physical properties of a substance. It does not change the overall composition.
  3. Formula Made up of the symbols of the elements composing the substance.
  4. A chemical property that occurs when a solid substance forms from two solutions that are chemically combined.
  5. The elements that make up the staircase on the periodic table.
  6. A substance that speeds up a chemical reaction
  7. The pH is less than 7.
  8. Located on the right side of the staircase on the periodic table.

17 Clues: The pH is less than 7. • The pH is more than 7. • table A table of elements. • When a substance undergoes chemical changes. • A substance that speeds up a chemical reaction • The ability for a substance to dissolve in a liquid. • A type of scale that is often used to classify substances. • When a substance or material can conduct heat or electricity. • ...

Chapter 17 Vovab 2014-12-08

Chapter 17 Vovab crossword puzzle
Across
  1. The number of protons or electrons normally found in an atom of a given chemical element
  2. column of elements in the periodic table
  3. are all the elements in groups one, two, thirteen, fourteen, fifteen, sixteen, seventeen and eighteen of the periodic table.
  4. name given to a horizontal row of the periodic table
  5. also called inert gases
Down
  1. this group is known as group 17
  2. groups 3 through 12 of the periodic table
  3. conductors of electricity
  4. an arrangement of chemical elements based on the periodic law
  5. found in group 1 of the periodic table

10 Clues: also called inert gases • conductors of electricity • this group is known as group 17 • found in group 1 of the periodic table • column of elements in the periodic table • groups 3 through 12 of the periodic table • name given to a horizontal row of the periodic table • an arrangement of chemical elements based on the periodic law • ...

Duty’s assignment 2022-03-22

Duty’s assignment crossword puzzle
Across
  1. Positive charged ion that results from an atom losing electrons
  2. A nerve cell
  3. Have groups and periods
  4. A molecule that consists of two
  5. Elements on the right hand side of the periodic table.
  6. The frozen water in the hydrosphere .
  7. A group of three nucleotides on mRNA
  8. number The number of protons in an atom.
  9. Group or two or more atoms bonded together.
  10. acids Small molecules that make up protons .
  11. is to breath and live
  12. nanotube a very small tube of carbon atoms
  13. Programmed cell death
  14. pool Alleles in a population
Down
  1. The process of becoming an adult
  2. Periodic table with
  3. two or more different atoms bonded together.
  4. The trans of thermal energy by direct contact with no movement of material .
  5. only exist as a gas
  6. A chain of amino acids
  7. A pure substance made up of only one type of atom.
  8. in common.
  9. The size or extant of something
  10. An atom that is charged
  11. The energy possessed by moving object.
  12. Group of 1 of the periodic table
  13. Containing a small number of solute particles in the same volume .
  14. has 9 atomic number
  15. group A group of organisms
  16. Left handed side of the periodic table.
  17. variables that remain unchanged during an experiment.

31 Clues: in common. • A nerve cell • Periodic table with • only exist as a gas • has 9 atomic number • is to breath and live • Programmed cell death • A chain of amino acids • Have groups and periods • An atom that is charged • A molecule that consists of two • The size or extant of something • group A group of organisms • The process of becoming an adult • Group of 1 of the periodic table • ...

chemistry unit study guide 2016-02-10

chemistry unit study guide crossword puzzle
Across
  1. a thing that is composed of 2 or more elements
  2. The same number as protons and Neutrons
  3. The coloms on the periodic table
  4. a thin coating of metal
  5. a reaction acomponied by the relese of heat
  6. a part of an atom with a neutral charge
  7. a reaction acomponied by the absorbtion of heat
  8. electrons on the outermost orbital
  9. smallest unit of any form of matter
  10. rings around the necleus that electrons move on
  11. Russion chemist who created the periodic table
  12. a mererial normaly hard, shiny, malleable, and ductile
Down
  1. an element whose properties are intermediate between metals and solid nonmetals
  2. any gaseous element in group 18 of the periodic table
  3. mass is not created or destroyed in a chemical reaction
  4. innermost part of an atom that contains protons and neutrons
  5. an element or substence that is not a metal
  6. positively charged part of an atom
  7. Negatively charged part of an atom
  8. An abriviation on an elements name
  9. the rows on the periodic table
  10. the things that are created in a chemical reaction
  11. a substence that takes part in a chemical reaction
  12. a group of elements that are bonded
  13. cannot be broken down or chemically intercinverted

25 Clues: a thin coating of metal • the rows on the periodic table • The coloms on the periodic table • positively charged part of an atom • electrons on the outermost orbital • Negatively charged part of an atom • An abriviation on an elements name • smallest unit of any form of matter • a group of elements that are bonded • The same number as protons and Neutrons • ...

Chemistry - MT 1 2023-12-07

Chemistry - MT 1 crossword puzzle
Across
  1. particles of light
  2. a negatively charged ion
  3. unit of energy
  4. a positively charged ion
  5. elements found between metals and nonmetals
  6. bonds formed when atoms share electrons
  7. a mixture in which substances are evenly distributed throughout the mixture
  8. a horizontal row of elements on the periodic table
  9. 0 kelvin
  10. elements found to the left side of the periodic table
Down
  1. a reaction that absorbs energy in the form of heat
  2. group 1 elements
  3. group 17 elements
  4. smallest particle of an element
  5. Avogadro's number of anything
  6. anything that has mass and takes up space
  7. groups of two or more atoms held together by chemical bonds
  8. elements found at the far right side of the periodic table
  9. a chemical reaction that gives off heat
  10. groups 3-12 on the periodic table
  11. the study of the properties of matter and how matter changes
  12. bonds resulting from the attraction between oppositely charged ions
  13. atoms of the same element with different numbers of neutrons
  14. a region in an atom where there is a high probability of finding electrons
  15. a number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound

25 Clues: 0 kelvin • unit of energy • group 1 elements • group 17 elements • particles of light • a negatively charged ion • a positively charged ion • Avogadro's number of anything • smallest particle of an element • groups 3-12 on the periodic table • a chemical reaction that gives off heat • bonds formed when atoms share electrons • anything that has mass and takes up space • ...

Periodic Table Crossword! 2023-12-13

Periodic Table Crossword! crossword puzzle
Across
  1. A tiny, negatively charged particle that moves around the nucleus of an atom.
  2. a chemical element that forms a salt when it reacts with metal
  3. The number of protons in the nucleus of an atom of an element
  4. compound made from two or more nonmetals
  5. Positively charged particle in the nucleus of an atom
  6. A group of atoms bonded together or two or more atoms held together by covalent bonds.
  7. pure substance that consists entirely of one type of atom
  8. Center of an atom
  9. Elements with properties of both metals and nonmetals
  10. The ease and speed with which an element combines, or reacts, with other elements and compounds.
Down
  1. A subatomic particle that is neutral and that is found in the nucleus of an atom
  2. compound made from metal and not metal
  3. shiny, malleable, ductile and good conductors
  4. Unreactive nonmetals. all are colorless, odorless, gases at room temp.
  5. Columns of the periodic table are called
  6. the electrons in the outermost shell of an atom are called
  7. Russian chemist who developed a periodic table of the chemical elements
  8. A horizontal row of elements in the periodic table
  9. the smallest unit of an element that maintains the properties of that element
  10. Group 1 of the periodic table (metals)

20 Clues: Center of an atom • compound made from metal and not metal • Group 1 of the periodic table (metals) • Columns of the periodic table are called • compound made from two or more nonmetals • shiny, malleable, ductile and good conductors • A horizontal row of elements in the periodic table • Positively charged particle in the nucleus of an atom • ...

Atomic Structure and Balancing Equations 2025-05-16

Atomic Structure and Balancing Equations crossword puzzle
Across
  1. Elements found in groups 3-12
  2. Atoms with the same number of protons but different numbers of neutrons
  3. combination of elements that make up a substance
  4. Atoms with a net charge other than 0
  5. Elements found in Group 1
  6. Substances created by a chemical reaction
  7. Elements found in group 2
  8. Weighted average of all isotopes of a substance
  9. Elements found in group 18
  10. An atom with a negative charge
  11. the difference between the number of protons and electrons in an atom
  12. Elements with properties of both metals and nonmetals
Down
  1. Used to show how many atoms of each element are in a specific chemical formula
  2. Row on the periodic table
  3. Numbers used to balance a chemical equation
  4. Process of splitting liquids using electricity
  5. Elements found in group 17
  6. Substances used as ingredients in a chemical reaction
  7. A specific type of atom
  8. The number of protons in the nucleus of an atom
  9. An atom with a positive charge
  10. The total number of particles in the nucleus of an atom
  11. Type of element found on the left side of the periodic table
  12. Column of the periodic table
  13. Type of element found on the right side of the periodic table

25 Clues: A specific type of atom • Row on the periodic table • Elements found in Group 1 • Elements found in group 2 • Elements found in group 17 • Elements found in group 18 • Column of the periodic table • Elements found in groups 3-12 • An atom with a positive charge • An atom with a negative charge • Atoms with a net charge other than 0 • Substances created by a chemical reaction • ...

chemistry crossword 2025-04-04

chemistry crossword crossword puzzle
Across
  1. the periodic table
  2. change smells different
  3. the rows for the periodic table
  4. change looks different
  5. has no charge
Down
  1. has negative charge
  2. the columns of the periodic table
  3. has positive charge
  4. A specific chemical reaction or element
  5. weight of an atom
  6. holds electrons

11 Clues: has no charge • holds electrons • weight of an atom • the periodic table • has negative charge • has positive charge • change looks different • change smells different • the rows for the periodic table • the columns of the periodic table • A specific chemical reaction or element

Period Table Crossword Puzzle 2024-12-17

Period Table Crossword Puzzle crossword puzzle
Across
  1. Electron An electron in the outermost shell of an atom, which participates in chemical bonding.
  2. An element that is typically shiny, ductile, malleable, and good conductor of heat and electricity.
  3. Metal An element in Group 1 of the periodic table, highly reactive and readily lose one electron to form a positive ion.
  4. An element that is usually brittle, poor conductor of heat and electricity, and often exists as a gas at room temperature.
  5. A vertical column on the periodic table, containing elements with similar chemical properties due to the same number of valence electrons.
  6. Atoms of the same element with a different number of neutrons, resulting in a different atomic mass.
  7. Number The number of protons in the nucleus of an atom, which uniquely identifies an element.
Down
  1. Earth Metal An element in Group 2 of the periodic table, less reactive than alkali metals but still readily form positive ions.
  2. An element in Group 17 of the periodic table, highly reactive nonmetals that readily gain one electron to form negative ions.
  3. An element with properties intermediate between metals and nonmetals, sometimes exhibiting semiconductor behavior.
  4. Configuration The arrangement of electrons in an atom's electron shells, which influences its chemical behavior.
  5. A pure substance made up of only one type of atom, identified by its atomic number on the periodic table.
  6. A horizontal row on the periodic table, representing elements with the same number of electron shells.
  7. Gas An element in Group 18 of the periodic table, very unreactive due to a full valence electron shell.
  8. Mass The average mass of all isotopes of an element, usually expressed in atomic mass units (amu).

15 Clues: Number The number of protons in the nucleus of an atom, which uniquely identifies an element. • Electron An electron in the outermost shell of an atom, which participates in chemical bonding. • Mass The average mass of all isotopes of an element, usually expressed in atomic mass units (amu). • ...

chemistry periodic table 2023-08-29

chemistry periodic table crossword puzzle
Across
  1. metallic elements are typically shiny
  2. the periodic table is drawn as a thick staircase.
  3. you can predict a lot about the chemical behavior.
  4. not good conductors of electricity.
  5. table The periodic table is the most powerful tool.
  6. you can find them on the left and middle.
  7. most elements are metal
  8. The periodic table is really invaluable is its use as a predictive tool.
Down
  1. Each element is represented by one square
  2. are good conductors of heat
  3. below the symbol are the full name of the element and its atomic mass
  4. with a one or 2 letter chemical symbol
  5. except for hydrogen which is on the upper left
  6. on a square above the chemical symbol is the atomic number

14 Clues: most elements are metal • are good conductors of heat • not good conductors of electricity. • metallic elements are typically shiny • with a one or 2 letter chemical symbol • Each element is represented by one square • you can find them on the left and middle. • except for hydrogen which is on the upper left • the periodic table is drawn as a thick staircase. • ...

science 2023-03-01

science crossword puzzle
Across
  1. on periodic table with a H
  2. known as an influential physicist.
  3. ask a _________ for a report.
  4. no eating and __________ in the lab
  5. something that scientist studies
  6. make sure your hair is _________.
  7. use a productor to get the _______.
  8. measurers the temperature
  9. on the periodic table with a c
Down
  1. when a scientist makes a discovery and decide to do a ______
  2. something that gives you fire using a Macht and gas.
  3. it can hold liquid.
  4. it is in the periodic table with a M and a C
  5. a type of weighting tool.
  6. something that protect you when doing something.

15 Clues: it can hold liquid. • measurers the temperature • a type of weighting tool. • on periodic table with a H • ask a _________ for a report. • on the periodic table with a c • something that scientist studies • make sure your hair is _________. • known as an influential physicist. • no eating and __________ in the lab • use a productor to get the _______. • ...

science 2022-09-08

science crossword puzzle
Across
  1. a subatomic particle with a negative charge
  2. a column of elements in the periodic table
  3. a subatomic particle with a neutral charge
  4. shiny
  5. the horizontal rows of a periodic table
  6. an atom molecule with a net electric charge
  7. able to be permanently changed
Down
  1. able to be drawn out of wire
  2. hcjgdc
  3. an element that lacks metallic properties
  4. a subatomic particle with a positive charge
  5. a solid material that is typically hard and shiny
  6. the substances on the periodic table
  7. the smallest unit of an element
  8. a close similarity or affinity

15 Clues: shiny • hcjgdc • able to be drawn out of wire • a close similarity or affinity • able to be permanently changed • the smallest unit of an element • the substances on the periodic table • the horizontal rows of a periodic table • an element that lacks metallic properties • a column of elements in the periodic table • a subatomic particle with a neutral charge • ...

Chemistry Cross word 2020-10-16

Chemistry Cross word crossword puzzle
Across
  1. Where in the periodic table are noble gases located Left Or right side of the periodic table
  2. What is the name for something that is transparent, translucent or opaque
  3. When you leave a bottle of water in the freezer for a long time it beings to
  4. When a object is caught on fire it begins to start
  5. A substance that is clear and has nothing in it Exp (water)
  6. what does the atomic number mean on the periodic table Number of protons or Electrons?
  7. bond, What is the name for the process that involves the sharing of electrons between two atoms
  8. A chemical that consists of two particles
  9. Why do atoms bond with each other. To become ____
Down
  1. bond, A type of covalent bond between two atoms in which electrons are shared unequally is called a ______ bond
  2. where in the periodic table are alkaline metals located Left or Right side of the periodic table
  3. Neutrons and ______ will always have the same amount of atoms
  4. What is the name for something that is square, powder, crystalline, amorphous
  5. What is the name for something that is smooth, or rough
  6. A chemical that consists of 1 particle
  7. bonding, a transfer of an electron, so one atom gains an electron while one atom loses an electron is called
  8. On the periodic table which vertical row has all -1 ion charges
  9. When you have some water in a pot over a fire the water begins to?
  10. When a apple is left out for a long time it begins to start
  11. What is the name for something that is floral,pungent,choking or rancid
  12. What language did Na In ons odium come from?

21 Clues: A chemical that consists of 1 particle • A chemical that consists of two particles • What language did Na In ons odium come from? • Why do atoms bond with each other. To become ____ • When a object is caught on fire it begins to start • What is the name for something that is smooth, or rough • When a apple is left out for a long time it begins to start • ...

ICP Crossword puzzle 2015-11-01

ICP Crossword puzzle crossword puzzle
Across
  1. occupy a position in between the elements lanthanum (Z=57) and hafnium (Z=72), and between actinium (Z=89) and rutherfordium (Z=104)
  2. are five non-metallic elements found in group 17 of the periodic table.
  3. A vertical column in the periodic table.
  4. is the name given to a horizontal row of the periodic table.
  5. is an element belonging to group 2 of the periodic table.
Down
  1. whose properties are intermediate between those of metals and solid nonmetals.
  2. The thirty elements of the Lanthanides and Actinides series, which are sub-series of the Transition Metals.
  3. is any of the elements found in Group IA of the periodic table.
  4. Any of the elements found in Group 8 at the far right of the Periodic Table.
  5. elements within Groups 3 through 12 in the Periodic Table.

10 Clues: A vertical column in the periodic table. • is an element belonging to group 2 of the periodic table. • elements within Groups 3 through 12 in the Periodic Table. • is the name given to a horizontal row of the periodic table. • is any of the elements found in Group IA of the periodic table. • are five non-metallic elements found in group 17 of the periodic table. • ...

Periodic table 2020-10-10

Periodic table crossword puzzle
Across
  1. gases aren't reactive
  2. Metals are the first part of the periodic table
  3. is what they call the rows of the table
  4. is an element named after the person who popularized the periodic table
  5. are very reactive
  6. in the periodic table are the columns
Down
  1. are a mix of metals and nonmetals
  2. earth metals are the second
  3. metals is the biggest group
  4. make up the periodic table

10 Clues: are very reactive • gases aren't reactive • make up the periodic table • earth metals are the second • metals is the biggest group • are a mix of metals and nonmetals • in the periodic table are the columns • is what they call the rows of the table • Metals are the first part of the periodic table • is an element named after the person who popularized the periodic table

CHEMISTRY 2014-07-19

CHEMISTRY crossword puzzle
Across
  1. / is a physical property that relates the mass of a substance to its volume.
  2. / the 1st and 8th element resemble one another in physical & chemical properties.
  3. / atoms of the same elements having a different number of neutrons
  4. / is a measure of how hot or cold an object is.
  5. / modern periodic table
  6. / is anything that has mass and occupies space.
  7. / is a quantity that compares the density of a substance with the density of water at 4'C
  8. / deals with the study of matter--its composition, properties, and transformations.
  9. / process of comparing something with a standard.
  10. / a group consisting of 3 elements with the same properties.
  11. / positively charged particles
  12. / an element located in group 2A of periodic table.
  13. / are shiny substance that conduct heat and electricity.
  14. / refers to the smallest estimated value taken directly from the device.
Down
  1. / a row in the periodic table
  2. / uncharged particles
  3. / an element located in group 1A.
  4. / cannot be broken down into simpler components by ordinary mechanical means; fixed composition
  5. / an element contained in one of the 10 columns in the periodic table
  6. / is the name of the force exerted on an object due to the acceleration of gravity.
  7. / simplest known substance.
  8. / amount of matter in a body
  9. / number of protons + number of neutrons
  10. / negatively charged particles
  11. / have properties intermediate between metals and nonmetals.
  12. / a compound that contains both a hydrogen atom and a lone pair of electrons so that it can be either an acid or a base.
  13. / are poor conductors of heat and electricity.
  14. / contains 2 or more components whose composition may be varied.
  15. / refers to the smallest exact value taken directly from the device.
  16. / a column in the periodic table

30 Clues: / uncharged particles • / modern periodic table • / simplest known substance. • / amount of matter in a body • / a row in the periodic table • / negatively charged particles • / positively charged particles • / a column in the periodic table • / an element located in group 1A. • / number of protons + number of neutrons • / are poor conductors of heat and electricity. • ...

Unit1VocabGame 2021-09-15

Unit1VocabGame crossword puzzle
Across
  1. radius of neutral atom.
  2. ex:acidity,reactivity,flammability.
  3. solid,liquid,gas,plasma.
  4. take shape of its container.
  5. negative charge circling the nucleus.
  6. can be found in the center of periodic table.
  7. found on the right side of the periodic table.
  8. two or more substance combined together.
  9. example:color,length,volume,luster.
  10. similar to electron shells.
  11. elements 58-71.
  12. cannot be broken down into smaller substances.
  13. family found in group 17.
  14. found on the left side of periodic table.
  15. contains genetic materials.
  16. liquid to gas.
  17. family found in group 18.
  18. energy needed to remove an electron.
  19. made up of two or more element.
  20. smallest particle of an element.
  21. the bigger number on an element.
  22. tightly packed.
  23. held together by chemical bond.
  24. abbreviated elements on the periodic table.
  25. orbital rings around the nucleus.
  26. solid to gas.
  27. smallest particle in the universe.
Down
  1. positive charge inside a nucleus.
  2. cannot be reversible.
  3. energy needed to attract electron.
  4. the sum of all mass of an element isotopes.
  5. the smaller number on the element.
  6. gas to liquid.
  7. family found in group 1.
  8. difference in number of neutrons.
  9. can be reversible.
  10. not uniform to the eye.
  11. negative ions.
  12. made up of one type of particle.
  13. family found in group 2.
  14. appear uniform to the eye.
  15. elements 90-103.
  16. stair-steps on periodic table.
  17. neutral charge inside the nucleus.
  18. positive ions.
  19. radius of an atom's ion.
  20. area around nucleus where the electrons are likely to be found.
  21. no definite shape or volume.
  22. difference in number of electrons.
  23. very high temperature of a star.

50 Clues: solid to gas. • gas to liquid. • negative ions. • positive ions. • liquid to gas. • elements 58-71. • tightly packed. • elements 90-103. • can be reversible. • cannot be reversible. • radius of neutral atom. • not uniform to the eye. • solid,liquid,gas,plasma. • family found in group 1. • family found in group 2. • radius of an atom's ion. • family found in group 17. • family found in group 18. • ...

Quarter 3 Crossword PS 2026-03-19

Quarter 3 Crossword PS crossword puzzle
Across
  1. use these to show how many of each in the names of covalent compounds
  2. only positive polyatomic on your sheet
  3. Fr
  4. theyre blue on your periodic table
  5. different version of an atom (different mass)
  6. weight of one mole of a substance
  7. lab equipment used to protect your eyes
  8. color of a non-metal on your periodic table
  9. sodium bromide
  10. Fe
  11. relative amount of each element in a compound
  12. metal – nonmetal
  13. brown outline on your periodic table
  14. used to show energy levels of an atom
  15. smallest particle of an element
  16. these can take on multiple charges
  17. these are found only in the outermost energy level
  18. row on a periodic table
  19. Ba
  20. has a mass of 131.54
  21. lightest noble gas
Down
  1. number of valence electrons for a halogen
  2. use these to convert from mass to moles or moles to mass
  3. has a mass of 1.01g
  4. positive ion
  5. number of energy levels for argon
  6. charge of something that has one more electron than proton
  7. indicates which charge a transition metal actually has
  8. sulfur as an ion is called…
  9. has 51 protons
  10. CO
  11. these have one valence electron
  12. equal to the number of protons of an atom
  13. 10 in a covalent compound
  14. column on a periodic table
  15. negative ion
  16. tetra + penta
  17. equal to 602000000000000000000000 atoms
  18. first person who suggested “atoms” existed
  19. tendency of atoms to prefer to have eight valence electrons
  20. Calcium Selenide
  21. looks like 2 dots in a lewis structure
  22. polyatomic that includes 2 carbon, 3 hydrogen, 2 oxygen
  23. Sn

44 Clues: Fr • CO • Fe • Sn • Ba • positive ion • negative ion • tetra + penta • has 51 protons • sodium bromide • metal – nonmetal • Calcium Selenide • lightest noble gas • has a mass of 1.01g • has a mass of 131.54 • row on a periodic table • 10 in a covalent compound • column on a periodic table • sulfur as an ion is called… • these have one valence electron • smallest particle of an element • ...

Chemistry Review 2025-02-22

Chemistry Review crossword puzzle
Across
  1. A group of elements missing an electron in their outermost shell
  2. The name for having more or fewer electrons than protons
  3. Another name for an energy level
  4. A substance that increases the rate of a chemical reaction
  5. A solution in which the solvent is water
  6. A positively charged ion
  7. The ‘inventor’ of the modern Periodic Table
  8. The location of electrons
  9. a pattern of gradual change
  10. the rule describing the tendency of atoms to react in order to obtain a full outer shell
  11. A positively charged sub-atomic particle
  12. A column of elements in the periodic table
  13. Protons + Neutrons
  14. A neutral compound consisting of anions and cations
  15. A substance in which two or more elements are bonded together
  16. An element with a full valence shell of electrons
  17. The number of protons in the nucleus of an atom
  18. The relationship between the mass of a substance and the space it takes up
Down
  1. The bond formed between two non-metals
  2. A group of atoms bonded together
  3. Any element in the d-block (groups 3 – 12) of the periodic table
  4. An element in Group 1 of the Periodic Table
  5. An atom with a specific number of protons
  6. electrons involved in chemical bond formation
  7. A bond in which electrons are shared
  8. When elements/compounds exist together but without chemical bonds
  9. A negatively charged sub-atomic particle
  10. A sub-atomic particle with no charge
  11. The horizontal rows of the Periodic Table
  12. The bond formed between a metal and a non-metal in which electrons are transferred
  13. The arrangement of the nucleus and electrons
  14. An atom which has gained or lost an electron
  15. A negatively charged ion

33 Clues: Protons + Neutrons • A positively charged ion • A negatively charged ion • The location of electrons • a pattern of gradual change • A group of atoms bonded together • Another name for an energy level • A bond in which electrons are shared • A sub-atomic particle with no charge • The bond formed between two non-metals • A solution in which the solvent is water • ...

Periodic Table Basics Crossword 2025-01-10

Periodic Table Basics Crossword crossword puzzle
Across
  1. What special name is given to the Group 17 elements?
  2. These are shown on the periodic table with one or two letters and the first is always capitalized.
  3. The first nonmetal in period 4.
  4. What special name is given to the Group 18 elements?
  5. What special name is given to the Group 2 elements?
  6. Combining an atom each of the first three alkali metals would yield an atom of this element.
  7. To which group(s) do elements 57 through 70 belong?
  8. What is the largest category of elements?
  9. One of the elements that is a liquid at standard temperature and pressure.
  10. Group 1 element that is not an Alkali Metal.
  11. If you took an atom of neon out of an atom of the period 6 noble gas you would be left with an atom of this element.
Down
  1. This periodic table number usually includes several decimal places.
  2. If you took a zirconium atom out of a seaborgium atom you would be left with an atom of this element.
  3. The elements are ordered on the Periodic Table by this.
  4. How many groups are included on the current Periodic Table?
  5. What special name is given to the Group 1 elements (minus hydrogen)?
  6. The symbol for atomic number.
  7. Combining an atom with Z=15 to yittrium would yield an atom of this element.
  8. The last metal in period 5.
  9. You would end-up with an atom of this element if you combined an atom of Tc with an atom of Re.
  10. What is the smallest category of elements?
  11. What is another name for “group”?
  12. How many periods are included on the current Periodic Table?
  13. We call elements 89 through 102 this because they are not assigned to a group or family.
  14. One of the elements that is a liquid at standard temperature and pressure.

25 Clues: The last metal in period 5. • The symbol for atomic number. • The first nonmetal in period 4. • What is another name for “group”? • What is the largest category of elements? • What is the smallest category of elements? • Group 1 element that is not an Alkali Metal. • What special name is given to the Group 2 elements? • To which group(s) do elements 57 through 70 belong? • ...

Chemistry Review 2017-07-23

Chemistry Review crossword puzzle
Across
  1. the smallest subatomic particle
  2. least reactive group
  3. in a solution of salt water, it's the salt
  4. model of the atom in which electrons have circular orbits
  5. atoms of the same element with different numbers of neutrons
  6. subatomic particle with no charge
  7. nonmetals are located on the ____ side of the periodic table
  8. most reactive group
  9. units for measuring the mass of subatomic particles
  10. scientist who made first periodic table
  11. technique to separates mixtures based on boiling point
  12. instrument that spins to separate mixtures
  13. property of being able to be drawn into wires
  14. vertical column on periodic table
Down
  1. metalloid used in computer chips
  2. scientist who performed the cathode ray experiment
  3. describes a solution withe a low concentration
  4. scientist who performed the gold foil experiment
  5. ancient Greek who said atoms are indivisible
  6. during a chemical reaction, atoms are ________
  7. structure formed as a result of ionic bonding
  8. the charge on a proton
  9. number of valence electrons in oxygen
  10. solution containing more than one metal
  11. this happens to electrons in a covalent bond
  12. one method for breaking apart compounds
  13. horizontal row on periodic table
  14. group 17
  15. the physical property that determines if a balloon floats

29 Clues: group 17 • most reactive group • least reactive group • the charge on a proton • the smallest subatomic particle • metalloid used in computer chips • horizontal row on periodic table • subatomic particle with no charge • vertical column on periodic table • number of valence electrons in oxygen • solution containing more than one metal • one method for breaking apart compounds • ...

Chemistry Crossword 2022-02-10

Chemistry Crossword crossword puzzle
Across
  1. the study of the properties of matter and how matter changes
  2. the first element on the periodic table
  3. the amount of 3-dimensional space occupied by an object
  4. the last row of elements on the periodic table
  5. A physical change of a substance from one state to another
  6. a homogeneous mixture of two or more substances
  7. a positively charged ion
  8. a horizontal row of elements in the periodic table
  9. a substance that can be broken down into simple stable substances
  10. that which has mass and occupies space
Down
  1. the vertical force exerted by a mass as a result of gravity
  2. Shows the in the compound and the ratio of atoms
  3. the ability to do work
  4. any substance that cannot be broken down into simpler substances
  5. a negatively charged ion
  6. a chemical substance that is present at the start of a chemical reaction
  7. a basic unit of a chemical element
  8. indefinite volume and indefinite shape
  9. definite volume and indefinite shape
  10. the degree or intensity of heat present in a substance or object
  11. Vertical column of elements in the periodic table
  12. any substance that has a definite composition
  13. definite volume and definite shape
  14. the amount of matter in an object

24 Clues: the ability to do work • a negatively charged ion • a positively charged ion • the amount of matter in an object • a basic unit of a chemical element • definite volume and definite shape • definite volume and indefinite shape • indefinite volume and indefinite shape • that which has mass and occupies space • the first element on the periodic table • ...

Unit 2 periodic table 2023-12-07

Unit 2 periodic table crossword puzzle
Across
  1. The ability to be dissolved in water
  2. Element that tends to get positive charge. Found as a solid.
  3. Element with atomic number 19
  4. Element that shares properties with metals and nonmetals
  5. Element with atomic number 6
  6. The ability to conduct electricity
  7. Chemical name for the number of protons
  8. Protons+neutrons
  9. Element that can get positive or negative charge. Can be found as solid, liquid or gas.
  10. Part of the atom where protons and neutrons are located
  11. Smallest unit of matter
  12. Element with atomic number 3
  13. Neutral subparticle of the atom
  14. Negative subparticle of the atom
  15. The periodic table has 7...
Down
  1. Element with atomic number 46
  2. The tendency of atoms to prefer to have eight electrons in the valence shell
  3. First element of the periodic table
  4. Bond between two metals
  5. The periodic table has 18...
  6. Atomn with charge
  7. Element with atomic number 30
  8. Bond between two nonmetals
  9. Element with atomic number 53
  10. Element with atomic number 12
  11. Element with atomic number 16
  12. Bond between metal-nonmetal
  13. Strongest covalent molecule
  14. Positive subparticle of the atom
  15. Ion with positive charge
  16. Name of the last group of the periodic table
  17. Protons-electrons
  18. Ion with negative charge
  19. Element with atomic number 36

34 Clues: Protons+neutrons • Atomn with charge • Protons-electrons • Bond between two metals • Smallest unit of matter • Ion with positive charge • Ion with negative charge • Bond between two nonmetals • Bond between metal-nonmetal • Strongest covalent molecule • The periodic table has 7... • The periodic table has 18... • Element with atomic number 6 • Element with atomic number 3 • ...

Chemistry key words 2025-01-26

Chemistry key words crossword puzzle
Across
  1. Gases – Group 18 elements that are inert under normal conditions.
  2. – Radioactive elements from atomic numbers 89–103.
  3. – A division of principal energy levels in an atom.
  4. Affinity – The energy changes when an atom gains an electron.
  5. – Positively charged particle in an atom.
  6. – The electrons in the outermost shell of an atom.
  7. – Neutral particle in an atom's nucleus.
  8. – The smallest unit of matter.
  9. – A vertical column in the periodic table.
  10. – Rare earth metals from atomic numbers 57–71.
  11. – A region with a high probability of finding an electron.
  12. – Nonmetals in Group 17 are known for forming salts.
Down
  1. Radius – Distance from the nucleus to the outermost electron shell.
  2. – Atoms with the same number of protons but different neutrons.
  3. Metals – Highly reactive metals in Group 1 of the periodic table.
  4. – A measure of an atom's ability to attract electrons.
  5. Energy – The energy required to remove an electron from an atom.
  6. – Negatively charged particle in an atom.
  7. – A phenomenon that reduces the effective nuclear charge felt by outer electrons.
  8. – A horizontal row in the periodic table.
  9. – Central part of an atom containing protons and neutrons.
  10. Metals – Elements in the d-block of the periodic table.
  11. – Atom or molecule with a net electric charge.
  12. – The capacity to do work or cause change.

24 Clues: – The smallest unit of matter. • – Neutral particle in an atom's nucleus. • – Negatively charged particle in an atom. • – Positively charged particle in an atom. • – A horizontal row in the periodic table. • – A vertical column in the periodic table. • – The capacity to do work or cause change. • – Atom or molecule with a net electric charge. • ...

Chemistry 2018-10-29

Chemistry crossword puzzle
Across
  1. what are a good conductors of heat and electricity
  2. Isotope is an _______ version of that atom
  3. the ________ & neutrons are found in the center of the area
  4. pure substances composed of two or more different elements that are chemically joined are called
  5. electrons have _________ charge
  6. metals: what kind of metals are the most reactive metals
  7. electrons: the electrons int the outermost shell of any element are called
  8. the number of vaance electrons
  9. energy rings contain what
  10. the heaviest metal on the periodic table
  11. a horizontal row on a period table
  12. where are protons and neutrons found
  13. adding a neutron makes an _________ of that atom
  14. most of the elements on the periodic table occur as ______ at room tempertaure.
  15. what kind of elements are more stable when joined in a pair
  16. ________ consist of only kind of atom
  17. rings: electrons live in something called shells or _________________
  18. model: what shows all of the particles in the atom
  19. the lightest metal on the periodic table
  20. what do neutrons have none of
  21. lightest non-metal
Down
  1. what state of matter does iron appear at room temprature
  2. anything that takes up space and has mass
  3. the most reactive non-metals are the __________
  4. what is it called when there ia a number beside the element's symbol?
  5. hundred fourteen: how many elements are known at the present time
  6. metals: another name for group 5
  7. dot structure: only shows the elements symbol and it's outer most electron shell
  8. how many electrons can the 3rd energy ring hold up too.
  9. atomic mass is the number of protons and ______
  10. there are seven elements that form _______ consisting of two atoms
  11. matter is made up of....
  12. atoms: compounds always contain the same ratio of __________
  13. table: is a list of all the elements that can build matter
  14. The periodic table is a little like the alphabet of.......
  15. bond: what kind of a bond occurs between a non metal and a metal
  16. many of the non metals and hydrogen
  17. only _______ and bromine can be found as liquid on the periodic table
  18. element's ________ is an abbreviation for the element
  19. number: is the number of protons and neutrons
  20. gases: what kind of gases are stable and do not react with anything

41 Clues: lightest non-metal • matter is made up of.... • energy rings contain what • what do neutrons have none of • the number of vaance electrons • electrons have _________ charge • metals: another name for group 5 • a horizontal row on a period table • many of the non metals and hydrogen • where are protons and neutrons found • ________ consist of only kind of atom • ...

Final Exam Extra Credit 2016-06-15

Final Exam Extra Credit crossword puzzle
Across
  1. This is the full way to represent each element in its element box.
  2. The first name of the inventor of the periodic table.
  3. This number, found in each element box, contains a decimal.
  4. and chemical properties.
  5. There are ___ periods on the periodic table.
  6. Group ___ contains elements like lithium, sodium, potassium, and rubidium.
  7. These are found to the right of the staircase.
  8. Elements in Group 1 and 2 get more reactive as you go ___ the group.
  9. These are found to the left of the staircase.
  10. Elements in Group 17 get more reactive as you go ___ the group.
  11. This chemical family of elements contains the second group of most reactive metals.
  12. Alkali metals are very reactive with ___ and may combust in its presence.
  13. ___ is the most reactive of the non-metals.
  14. This is the short form to represent each element in its element box.
  15. This chemical family of elements contains the most reactive non-metals.
  16. This zigzag line separates the metals from the non-metals.
  17. The last name of the inventor of the periodic table.
  18. Each column on the periodic table is called a ___.
Down
  1. Each row on the periodic table is called a ___.
  2. The metals are found to the ___ of the staircase.
  3. These elements form Groups 3 to 12.
  4. The periodic table was invented in the year 18__
  5. Group ___ contains elements like fluorine, chlorine, bromine, iodine and astatine.
  6. The ___ is a chart that organizes elements based on their increasing atomic number and their
  7. This is the whole number found in each element square.
  8. ___ is the most reactive of the alkali metals.
  9. This class of elements is located directly around the staircase.
  10. This chemical family of elements contains elements that do not react with other elements.
  11. Group ___ contains elements like helium, neon, argon, krypton and xenon.
  12. This chemical family of elements contains the most reactive metals.
  13. Fe
  14. Group ___ contains elements like beryllium, magnesium, calcium and strontium.
  15. The non-metals are found to the ___ of the staircase.

33 Clues: Fe • and chemical properties. • These elements form Groups 3 to 12. • ___ is the most reactive of the non-metals. • There are ___ periods on the periodic table. • These are found to the left of the staircase. • ___ is the most reactive of the alkali metals. • These are found to the right of the staircase. • Each row on the periodic table is called a ___. • ...

Chemistry (#1) 2024-01-13

Chemistry (#1) crossword puzzle
Across
  1. Group 1
  2. The main block of the periodic table
  3. 1st block of the period table
  4. The group that Silicon is a part of
  5. The point at which a solid will melt
  6. The amount of energy it takes to remove an electron from an atom/molecule
  7. The total number of electrons that an atom must lose or gain to form a bond with other atoms
  8. Group 2
  9. All chemicals in Block D
Down
  1. The 3rd block of the periodic table
  2. The block of a periodic table that is seperate from the rest
  3. The organized array of chemical elements
  4. The point at which liquids boils and turns into vapor
  5. The amount of mass per unit of volume
  6. An atom's ability to attract shared electrons
  7. The number of protons in an atom
  8. The change in a neutral atom gains an atom
  9. The total distance from the nucleus of an atom to the outermost orbital
  10. Group 18

19 Clues: Group 1 • Group 2 • Group 18 • All chemicals in Block D • 1st block of the period table • The number of protons in an atom • The 3rd block of the periodic table • The group that Silicon is a part of • The main block of the periodic table • The point at which a solid will melt • The amount of mass per unit of volume • The organized array of chemical elements • ...

Haha 2023-05-24

Haha crossword puzzle
Across
  1. gases, Group 8A on the periodic table
  2. point, it increases moving from group 1A and 2A on the periodic table determines if a solid will melt
  3. metals, group 1A on the periodic table
  4. negativity, increases left to right across and top to down when it decreases fluorine has the highest EN
  5. metals, contains oxygen sulfur selenium phosphorus nitrogen and carbon
  6. Character, determines if a element to lose electrons to make ions or cations increases right to left and top and down
  7. Group 7A on the periodic table
  8. Energy, increases left to right decreases too to bottom helium has the highest ionization
Down
  1. earth metals, Group 2A on the periodic table
  2. affinity, same trend with ionization energy and changes if you add an electron to a gaseous atom
  3. metals, Groups 3-12
  4. radius, decreases left to right it’s the size of an atom
  5. contain boron silicon arsenic tellurium germanium and antimony

13 Clues: metals, Groups 3-12 • Group 7A on the periodic table • gases, Group 8A on the periodic table • metals, group 1A on the periodic table • earth metals, Group 2A on the periodic table • radius, decreases left to right it’s the size of an atom • contain boron silicon arsenic tellurium germanium and antimony • ...

Matthew’s crossword puzzle 2021-09-23

Matthew’s crossword puzzle crossword puzzle
Across
  1. #33 on periodic table
  2. constitution
  3. lacking the ability or strength to move
  4. very clear
  5. starving
  6. open to attack
  7. dishonest
  8. making someone weak
  9. head of a college
Down
  1. having six sides
  2. very detailed
  3. public ally supporting
  4. #18 on periodic table
  5. large or powerful
  6. what is done to dead people
  7. underground room to bury people
  8. never done before

17 Clues: starving • dishonest • very clear • constitution • very detailed • open to attack • having six sides • large or powerful • never done before • head of a college • making someone weak • #33 on periodic table • #18 on periodic table • public ally supporting • what is done to dead people • underground room to bury people • lacking the ability or strength to move

Y10 Chemistry Alexander McKay 2023-03-29

Y10 Chemistry Alexander McKay crossword puzzle
Across
  1. the chance that the results of an experiment were a fluke
  2. a substance formed with two or more elements
  3. the colour when potassium cholride is burned
  4. the outermost electron shell
  5. the most least reactive group of elements on the far right of the periodic table
  6. the amount of energy needed to start a reaction
  7. most reactive group on the periodic table on the far left
  8. size of distance from nucleus to outermost electron
  9. has properties between those of metals and non-metals
  10. energy needed to remove outermost electrons
Down
  1. an atom with a different number of neutrons than protons
  2. the degree to which an element tends to gain electrons and form negative ions in chemical reactions
  3. the smaller number under the element letters on the periodic table
  4. burns red colour when burned
  5. the number of protons in an element on the periodic table

15 Clues: the outermost electron shell • burns red colour when burned • energy needed to remove outermost electrons • a substance formed with two or more elements • the colour when potassium cholride is burned • the amount of energy needed to start a reaction • size of distance from nucleus to outermost electron • has properties between those of metals and non-metals • ...

Structure of Matter 2024-09-22

Structure of Matter crossword puzzle
Across
  1. The total number of protons plus neutrons in an atom is called the ____ _____.
  2. This class of elements has characteristics in-between metals and nonmetals
  3. This particle has a negative charge
  4. This class of elements are brittle and do not conduct electricity
  5. On a periodic table square, the _____ _____ tells you the number of protons.
  6. Horizontal rows on the periodic table are called___.
  7. This particle doesn't have a charge, it is neutral
  8. This particle has a positive charge
Down
  1. He called the uncuttable bits "atomos"
  2. The Russian scientist who created the first periodic table of elements
  3. The part of the atom that is made of protons and neutrons
  4. This class of elements conduct electricity
  5. Vertical columns on the periodic table are called ____.
  6. The name of the scientist that came up with the atom models we made in class
  7. A pure substance that is made of one type of atom
  8. This is the smallest particle of an element that still has all the characteristics of that element

16 Clues: This particle has a negative charge • This particle has a positive charge • He called the uncuttable bits "atomos" • This class of elements conduct electricity • A pure substance that is made of one type of atom • This particle doesn't have a charge, it is neutral • Horizontal rows on the periodic table are called___. • ...

spelling list 6 2022-09-22

spelling list 6 crossword puzzle
Across
  1. the symbol for this is Cr on the periodic table
  2. a pot of this might be at the end of a rainbow
  3. this word starts with a b and has a z
  4. the symbol for this is Fe on the periodic table
  5. this is in your pencil
  6. the Dr. Pepper can is made out of what?
Down
  1. a metal that is a good conductor of electricity
  2. the symbol for this is Mg on the periodic table
  3. the symbol for this is Ti on the periodic table
  4. the symbol for this is Co on the periodic table
  5. many band instruments are made out of what?

11 Clues: this is in your pencil • this word starts with a b and has a z • the Dr. Pepper can is made out of what? • many band instruments are made out of what? • a pot of this might be at the end of a rainbow • a metal that is a good conductor of electricity • the symbol for this is Cr on the periodic table • the symbol for this is Mg on the periodic table • ...

Atomic Structure and the Periodic Table 2023-02-28

Atomic Structure and the Periodic Table crossword puzzle
Across
  1. Although this element is in a group with metals, it is a nonmetal.
  2. protons and ________________ are found in the nucleus
  3. This element has an average atomic mass of 40.078 amu.
  4. The mass number of an atom is found by adding __________ and neutrons.
  5. Lithium-7 would have how many neutrons? (Write out the number.)
  6. Group 18 is called the ________ gases.
  7. What main subatomic particle has no charge?
  8. In order for an atom to be neutral the number of ____________ must be equal to the number of protons.
  9. The atomic number is always equal to the number of _________________.
  10. This is the last element in the alkali metals group.
  11. Is cerium a lanthanide or actinide?
  12. Is neon a metal, nonmetal, or metalloid?
  13. protons have a ___________ charge
  14. These elements are on the right side of the periodic table.
  15. Is strontium a metal, nonmetal, or metalloid?
  16. The current periodic table arranged elements by increasing _____________ number.
  17. These elements are on the stairstep on the periodic table.
Down
  1. Is thorium a lanthanide or actinide?
  2. This element has an atomic number of 30.
  3. Group 17 is called the _____________.
  4. Isotopes are atoms of the same element with different numbers of ________________.
  5. This element has 54 protons.
  6. A helium atom has this many protons. (Write out the number.)
  7. On the periodic table, the vertical columns are called __________ or families.
  8. Beryllium has how many protons? (Write out the number.)
  9. On the periodic table, the horizontal rows are called ____________.
  10. Magnesium-26 would have how many neutrons? (Write out the number.)
  11. This element has 24 protons.
  12. This element has 12 protons.
  13. A neutral atom of this element would have 50 electrons.
  14. A neutral atom of this element would have 47 electrons.
  15. Is boron a metal, nonmetal, or metalloid?
  16. Groups 3-12 are called the ___________ metals.
  17. How many protons does a neon atom have? (Write out the number.)
  18. electrons have a ___________ charge
  19. These elements are on the left side of the periodic table.
  20. This element has an average atomic mass of 55.845 amu.
  21. Group 2 is called the ___________ earth metals.
  22. This is the first element in the noble gases group.
  23. Group 1 is called the ___________ metals.

40 Clues: This element has 54 protons. • This element has 24 protons. • This element has 12 protons. • protons have a ___________ charge • Is cerium a lanthanide or actinide? • electrons have a ___________ charge • Is thorium a lanthanide or actinide? • Group 17 is called the _____________. • Group 18 is called the ________ gases. • This element has an atomic number of 30. • ...

Atomic Theory & Periodic Table 2025-09-21

Atomic Theory & Periodic Table crossword puzzle
Across
  1. The force that causes opposite charges (positive and negative) to attract and like charges to repel. These forces hold an atom together.
  2. An element that is usually dull, brittle, and a poor conductor. Found on the right side of ther periodic table.
  3. A horizontal row on the periodic table. Each element in a period having the same number of energy levels.
  4. The scientific idea that all matter is made of tiny particles called atoms.
  5. Atoms of the same element that have the same number of protons but different numbers of neutrons.
  6. A simple representation used to explain or show how something too small, big, or complex works.
  7. The smallest unit of matter that makes up everything around us.
  8. A negatively charged particle that moves around the nucleus of an atom.
  9. A small unit of mass used to measure the weight of subatomic particles and atoms.
  10. A pure substance made of only one kind of atom.
  11. A well-tested explanation that helps us understand why something happens in nature.
  12. The tiny, dense center of an atom that contains protons and neutrons.
Down
  1. The smaller parts inside an atom, called protons, neutrons, and electrons.
  2. A model showing electrons moving quickly in regions around the nucleus instead of in fixed paths.
  3. The mass of an element’s protons and neutrons.
  4. An element with properties of both metals and non-metals. Found on the “staircase” of ther periodic table.
  5. A particle with no charge found inside the nucleus of an atom.
  6. The electrons in the outermost energy level of an atom that are involved in bonding.
  7. The number of protons in an atom’s nucleus, which identifies the element.
  8. A positively charged particle found inside the nucleus of an atom.
  9. The one- or two-letter abbreviation that represents an element on the periodic table.
  10. An element that is usually shiny, a good conductor, and can be shaped or stretched. Found on the left side of ther periodic table.
  11. A vertical column on the periodic table where elements have similar properties.

23 Clues: The mass of an element’s protons and neutrons. • A pure substance made of only one kind of atom. • A particle with no charge found inside the nucleus of an atom. • The smallest unit of matter that makes up everything around us. • A positively charged particle found inside the nucleus of an atom. • ...

Periodic Table Crossword - SL 2022-05-07

Periodic Table Crossword - SL crossword puzzle
Across
  1. An atom that has gained or lost one or more electrons.
  2. In between metals and non-metals.
  3. The element on the periodic table which has an atomic number of 18.
  4. The amount of protons and electrons in an atom.
  5. A mixture of two or more elements.
  6. The positively charged particle in an atom.
  7. The element whose atomic symbol is "K".
Down
  1. A particle within an atom that has a neutral charge.
  2. A negatively charged particle within an atom.
  3. A type of electron that can share with other atoms and creates bonds.
  4. The element on the periodic table which has an atomic number of 4.
  5. A column of elements in the Periodic Table.
  6. The bond that has electrical attraction between a negative ion and a positive ion.
  7. Something that is dissolved in a solvent.
  8. A row of elements in the Periodic Table.

15 Clues: In between metals and non-metals. • A mixture of two or more elements. • The element whose atomic symbol is "K". • A row of elements in the Periodic Table. • Something that is dissolved in a solvent. • A column of elements in the Periodic Table. • The positively charged particle in an atom. • A negatively charged particle within an atom. • ...

Science 2023-06-28

Science crossword puzzle
Across
  1. the first ever artificially produced element, produced as a by-product at nuclear power stations
  2. the group of metals that are shiny, soft, and react violently with water
  3. a category of atom on the periodic table
  4. where two or more substances bind to create one complex substance
  5. the subatomic particles with a positive charge
  6. the rarest element ever
  7. the inventor of the periodic table, Dmitri Mendeleyev, was from... ?
  8. the subatomic particles with a negative charge
  9. where electrons flow from atom to atom
  10. some elements abbreviations don't make much sense to english speakers because they are the element's name in this language
  11. where one or more complex molecule/s breaks down into simpler compounds
  12. subcategories of when a atom gains or loses a neutron
Down
  1. this country was named after the element of silver's latin name
  2. what is a group of interconnected atoms called?
  3. the element with the highest weight on the periodic table
  4. what is everything in the universe made of?
  5. the effect radioactivity has on some less dense materials
  6. where two molecules interact with each other and change structure
  7. the center of the atom
  8. the rarest naturally occurring element on earth
  9. the element with the lightest atomic weight on the periodic table
  10. the rows on the periodic table are called...?
  11. this element is widely regarded as the most versatile elements because of how it is the base element of so many things
  12. this element exists naturally in abundance on earth, but it was discovered because of astronomers observing the sun
  13. what is left after a reaction occurs

25 Clues: the center of the atom • the rarest element ever • what is left after a reaction occurs • where electrons flow from atom to atom • a category of atom on the periodic table • what is everything in the universe made of? • the rows on the periodic table are called...? • the subatomic particles with a positive charge • the subatomic particles with a negative charge • ...

Chemistry Crossword 2015-11-19

Chemistry Crossword crossword puzzle
Across
  1. Homogeneous mixture
  2. A system of easy-to-see warning symbols on hazardous materials
  3. Mass of one atom of an element calculated by total number of protons, neutrons, and electrons of that atom
  4. An element in which its properties are between those of metals and solid nonmetals
  5. substance that helps a chemical reaction to proceed faster
  6. Neutral particle in the nucleus of an atom
  7. Invisible negatively charged particle that orbits the nucleus of an atom
  8. Second group of elements in the periodic table; not as reactive as those in the first group
  9. Positively charged particle in the nucleus of an atom
  10. A chemical reaction that absorbs heat energy
  11. Change of state from a gas to a solid
  12. Chemical combination of two or more elements in a specific ration
Down
  1. Change of state from a solid to a liquid
  2. Pure substance that cannot be broken down into other substances; made up of only one type of atom
  3. Slow chemical change that occurs when oxygen in the air reacts with a metal
  4. Vertical column of elements in the periodic table
  5. Group of atoms joined by covalent bonds
  6. ability of a substance to conduct electricity or heat
  7. Change of state from a gas to liquid
  8. Horizontal row of elements in the periodic table
  9. First group of elements in the periodic table; most reactive of the metals
  10. A chemical reaction that releases heat energy
  11. Group 17 elements in the Periodic Table of Elements; most reactive nonmetals
  12. Catalyst involved in a chemical reactions within living things
  13. Anything that has a mass and occupies space

25 Clues: Homogeneous mixture • Change of state from a gas to liquid • Change of state from a gas to a solid • Group of atoms joined by covalent bonds • Change of state from a solid to a liquid • Neutral particle in the nucleus of an atom • Anything that has a mass and occupies space • A chemical reaction that absorbs heat energy • A chemical reaction that releases heat energy • ...

Chemistry Crossword 2015-11-13

Chemistry Crossword crossword puzzle
Across
  1. an experiment in which all products of a chemical reaction are accounted for
  2. chemical combination of two or more elements in a specific ratio
  3. a colourless, odorless, poisonous gas
  4. substance that helps a chemical reaction proceed more quickly
  5. number of protons in the nucleus of one atom as an element
  6. the smallest part of an element that is representative of that element
  7. change that results when two or more substances react to form a new substance
  8. measure of atomic mass
  9. combination of symbols that represent a compound
  10. ability of a substance to conduct electricity or heat
  11. mass of one atom of an element calculated from the total number of protons, neutrons, and electrons in an atom
  12. atom that has become electrically charged because it lost or gained electrons
  13. principle that matter is not created or destroyed in a reaction
  14. group 1 elements in the periodic table, not including hydrogen; the most reactive of the elements
Down
  1. invisible negatively charged particle that orbits around the nucleus of an atom
  2. pure substance formed when at least one metal and one non-metal combine
  3. material that electric charge can move through easily
  4. pure substance that cannot be broken down into other substances
  5. group 2 elements in the periodic table: their reactivity is not as strong as that of alkili metals
  6. vertical column of elements in the periodic table
  7. a reaction that takes place when two or more substances to form a new substance
  8. group 17 elements in the periodic table: the most reactive non-metal
  9. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  10. energy stored in chemicals and released when chemicals react
  11. vertical column of elements in periodic table

25 Clues: measure of atomic mass • a colourless, odorless, poisonous gas • vertical column of elements in periodic table • combination of symbols that represent a compound • vertical column of elements in the periodic table • material that electric charge can move through easily • ability of a substance to conduct electricity or heat • ...

Chemistry Vocabulary #2 2017-10-23

Chemistry Vocabulary #2 crossword puzzle
Across
  1. Smallest unit of matter
  2. a group of atom chemically combine. (2 or more atoms)
  3. The amount of matter in a given amount of space
  4. “Potential” to go through a chemical change. Can be seen in a chemical reaction.
  5. Level The rings around the nucleus of an atom
  6. Goes from Side to Side on the Periodic Table and tells the number of energy levels.
  7. Changes in the States of Matter. Change the phase or shape but not the substance.
  8. A pure substance containing only one type of atom
  9. Has properties of both metals and nonmetals and is along the zig–zag line on the periodic table
  10. The part of an atom that does not have a charge
  11. Goes Up and Down on the Periodic Table, Tells how reactive an element is and similar
  12. The negative part of an atom
Down
  1. Describes and element. Can be observed without changing the element
  2. The positive part of an atom.
  3. Electrons in the outermost energy level
  4. Number of Molecules in a chemical formula.
  5. Elements that combine for form a new substance
  6. The number of atom of an element in a chemical formula
  7. Chemical symbols that represent a compound
  8. The number of protons in an atom
  9. A brittle, dull, and insulator material that is on the right side of the periodic table.
  10. How something interacts with something else
  11. A shiny, malleable, ductile, and conductive material on the left side of the periodic table.
  12. Two or more different kinds of atoms. (2 or more elements)
  13. Center of an atom with a positive charge

25 Clues: Smallest unit of matter • The negative part of an atom • The positive part of an atom. • The number of protons in an atom • Electrons in the outermost energy level • Center of an atom with a positive charge • Number of Molecules in a chemical formula. • Chemical symbols that represent a compound • How something interacts with something else • ...

8th Prop of Atoms & Molecules L 1-15 Vocab Crossword 2021-11-19

8th Prop of Atoms & Molecules L 1-15 Vocab Crossword crossword puzzle
Across
  1. substance that cannot be broken down by ordinary chemical means
  2. bond formed when thousands of atoms freely share their electrons
  3. a bond formed by transferring of electrons
  4. gases elements in column VIIA, (18) non-reactive elements
  5. removal of oxygen from a molecule
  6. a measure of how strongly an element attracts electrons to itself
  7. two of the same type of atom bonded together
  8. positively charged particle (+) in the nucleus of an atom
  9. number of protons in an atom
  10. column of the periodic table
  11. non-reactive
  12. recycling of carbon for reuse by plants and animals
  13. row of the periodic table
  14. substance whose atoms form in an orderly pattern
Down
  1. elements on the periodic table between the metals and nonmetals
  2. negatively charged particle orbiting the nucleus of an atom
  3. an element with an electrical charge due to missing or extra electrons
  4. symbolic representation of the atoms in a molecule
  5. molecules formed by sharing of electrons
  6. top four elements in column VIIA (17) on the periodic table
  7. refining ore through high temperature
  8. number of protons plus the number of neutrons in an atom
  9. separating of atoms by passing electrical current through them
  10. electrically neutral (neither + nor - )in the nucleus of an atom
  11. group of chemically connected atoms
  12. metal that results when a small amount of one metal is added to another
  13. adding of oxygen to a molecule
  14. two or more different kinds of atoms bonded together
  15. outermost energy level (or shell) of an atom
  16. elements in the center columns of the periodic table, labeled with the letter B
  17. tight mass of protons and neutrons in the center of an atom

31 Clues: non-reactive • row of the periodic table • number of protons in an atom • column of the periodic table • adding of oxygen to a molecule • removal of oxygen from a molecule • group of chemically connected atoms • refining ore through high temperature • molecules formed by sharing of electrons • a bond formed by transferring of electrons • ...

Periodic Table Review 2026-01-14

Periodic Table Review crossword puzzle
Across
  1. An f block family of metals in period 6 with very large densities
  2. The atomic ____ is calculated by adding the number of protons and neutrons.
  3. Area of mathematical probability where an electron might be found. Come in varieties s, p, d, and f.
  4. Class of elements on the right side of the periodic table that are defined by their brittle, dull nature.
  5. Reactive nonmetals that form salt when combined with alkali metals
  6. Type of atom with a different number of neutrons, giving the atom a different atomic mass.
  7. Negatively charged subatomic particle found in rings orbiting the nucleus.
  8. F block family of metals that are all radioactive.
  9. Class of elements found on the "staircase" of the periodic table that exhibit properties of both metals and nonmetals
  10. Positively charged subatomic particle, the number of which is equivalent to the atomic number
Down
  1. Electrons farthest from the nucleus. Found in the outermost shell of an atom
  2. Neutrally charged subatomic particle there to stabilize the nucleus of the atom.
  3. Type of metal readily found in on Earth
  4. An atomic ____ is equivalent to the number of protons and is unique to the atom.
  5. Group 18 is named the ___ gases
  6. Type of low density, low melting point, highly reactive metal found in group 1.
  7. Columns on the periodic table
  8. Electrons found closer to the nucleus in energy levels below the highest.
  9. Class of elements on the left side of the periodic table; defined by their good conductivity, shiny luster, and malleability
  10. Rows on the periodic table
  11. Type of atoms with a different number of electrons, giving the atom a charge.

21 Clues: Rows on the periodic table • Columns on the periodic table • Group 18 is named the ___ gases • Type of metal readily found in on Earth • F block family of metals that are all radioactive. • An f block family of metals in period 6 with very large densities • Reactive nonmetals that form salt when combined with alkali metals • ...

science 2022-09-08

science crossword puzzle
Across
  1. able to be drawn out of wire
  2. a subatomic particle with a neutral charge
  3. the horizontal rows of a periodic table
  4. an element that lacks metallic properties
  5. a subatomic particle with a negative charge
  6. a solid material that is typically hard and shiny
Down
  1. the substances on the periodic table
  2. a column of elements in the periodic table
  3. shiny
  4. an atom molecule with a net electric charge
  5. able to be permanently changed
  6. a subatomic particle with a positive charge
  7. a close similarity or affinity
  8. the smallest unit of an element

14 Clues: shiny • able to be drawn out of wire • able to be permanently changed • a close similarity or affinity • the smallest unit of an element • the substances on the periodic table • the horizontal rows of a periodic table • an element that lacks metallic properties • a column of elements in the periodic table • a subatomic particle with a neutral charge • ...

63X 64,65 :) 2025-11-25

63X 64,65 :) crossword puzzle
Across
  1. : Number used to identify an element.
  2. : Property that allows metals to be pulled into wires.
  3. : Horizontal rows on the periodic table.
  4. : Diagram showing valence electrons around an atom.
  5. : Group that contains elements often used in wires and jewelry.
  6. : Elements that are usually dull, brittle, and poor conductors.
  7. : Ability of a material to transfer heat or electricity.
  8. : Negatively charged ion.
  9. : Radioactive metals including uranium and plutonium.
  10. : How electrons are arranged around the nucleus.
  11. : Scientist who rearranged the table by atomic number.
  12. : Group 18 elements that are stable and rarely form compounds.
  13. : Vertical columns on the periodic table.
  14. : Property that allows metals to be hammered into thin sheets.
  15. : Substance made of one type of atom.
  16. : Group 17 elements that are highly reactive nonmetals.
Down
  1. : Electrons in the outermost energy level.
  2. : Scientist who created the first widely accepted periodic table.
  3. : Rare-earth metals used in electronics and strong magnets.
  4. : Group 1 elements that are extremely reactive, especially with water.
  5. : Bond formed when electrons transfer between atoms.
  6. : Most reactive nonmetal.
  7. : Group 2 metals that are reactive but less so than Group 1.
  8. : Elements with properties of both metals and nonmetals.
  9. : Rule that atoms want eight electrons in their outer shell.
  10. : How easily an element combines with other elements.
  11. : Positively charged ion.
  12. : Property Mendeleev used to originally arrange the periodic table.
  13. : Elements that are typically shiny, conductive, and malleable.
  14. : Two electrons shared or bonded together.

30 Clues: : Most reactive nonmetal. • : Positively charged ion. • : Negatively charged ion. • : Number used to identify an element. • : Substance made of one type of atom. • : Horizontal rows on the periodic table. • : Vertical columns on the periodic table. • : Electrons in the outermost energy level. • : Two electrons shared or bonded together. • ...

Chemistry Atomic Crossword 2022-09-08

Chemistry Atomic Crossword crossword puzzle
Across
  1. how many f electrons can be in an energy level
  2. what element does Ho stand for
  3. what does Cs stand for
  4. makes everything up
  5. Speed of light equals _ x frequency
  6. What is the maximum amount of electrons for orbitals
  7. what does e=6.26*10^-34 Js(1.60*10^14 1/s)
  8. acronym for energy levels
  9. amount of energy that can be gained or lost by an atom
  10. rows in the periodic table equal what
  11. potassium as electron configuration using aufbau principle method
  12. letter that indicates the type of orbital
  13. how many electrons is in the orbital 4d
  14. what does B stand for
  15. method of indicating the arrangement of electrons about a nucleus
  16. how many electrons does sulfur have
  17. what element does O stand for
  18. what is the shape of a p orbital
  19. Referred to as the atomic number
  20. how many electrons are in the orbital 4f
Down
  1. first method for E configuration
  2. what element does Ir stand for
  3. 3.00*10^8 m/s= 5.8*10^-7 m*f
  4. how many rows are in the F section in the periodic table
  5. number under element name
  6. even smaller sub-atomic particles than protons
  7. what element does Kr stand for
  8. unique upper-case letter and lower-case symbol
  9. how many elements are in the periodic table
  10. how many rows are in the P section in the periodic table
  11. number of protons equals
  12. how many p orbitals can be in an energy level
  13. formula for energy
  14. how many rows are in the D section in the periodic table
  15. sum of protons and neutrons equals...
  16. sub-atomic particles with a zero charge
  17. what element does CA stand for
  18. second method for E configuration
  19. what element does Li stand for
  20. what is the shape of a s orbital
  21. number that indicates the energy level
  22. how many electrons is in the orbital 5p
  23. which is the lowest energy level having d orbitals
  24. how many rows are in the S section in the periodic table
  25. what element does Cu stand for
  26. how many d orbitals can be in an energy level

46 Clues: formula for energy • makes everything up • what does B stand for • what does Cs stand for • number of protons equals • number under element name • acronym for energy levels • 3.00*10^8 m/s= 5.8*10^-7 m*f • what element does O stand for • what element does Ir stand for • what element does Ho stand for • what element does Kr stand for • what element does CA stand for • ...

Chapter 6 2023-02-08

Chapter 6 crossword puzzle
Across
  1. A negativity charged ion, formed by a gain of electrons
  2. The radius of an atom. Cations are smaller, anions are larger than their atom
  3. the ability of an object to transfer heat or electricity to another object
  4. Alkali metals.
  5. A set of elements typically placed at the bottom of the periodic table that consist of the f block elements form Period 7
  6. An element of Group 17 on the periodic tale. It is a highly reactive nonmetal with seven valence electrons. It easily gains an additional electron to make a 1- anion
  7. brittle , dull, poor conductors of heat and electricity
  8. Positively charged particle in the nucleus of an atom
  9. Process of atoms joining to form molecules or formula units. Electrons are transferred or shared in this process.
  10. An element from the f block of the periodic table (lanthanoid and actinoid series)
  11. The measure of the attraction between the nucleus of an atom and shared electrons in chemical bonds
  12. smallest part of a substance that cannot be divided by chemical means.
  13. The radius of an atom
  14. physical property of metals; able to be hammered into thin sheets
  15. Unreactive, like noble gases
  16. hard, grey-white, good conductors of electricity, calcium and magnesium are examples, Group 2 elements
  17. Group 17 A group of reactive nonmetals. Group 17
  18. One of a general group of elements with similar characteristics, such as being solid at room temperature, lustrous, malleable, ductile, and a good conductor of heat and electricity.
  19. Electrons on the outermost energy level of an atom
  20. can be made into a wire
  21. The change in energy when an electron is added to a neutral atom to form an anion
  22. The amount of energy required to remove an electron from an atom
  23. An element of Group 18 on the periodic table. It is a nonreactive (inert) nonmetallic gas with a full valence shell
Down
  1. Group 18 Unreactive nonmetals. Atoms of this group have a full set of electrons in their outer level.
  2. A compound that contains oxygen, often oxygen combined with one other element
  3. An element from the d block of the periodic table (Groups 3-12). It is a metal that typically has one or two valence electrons that it easily loses to form a 1+ or 2+ cation
  4. A table of all the known elements ordered by increasing atomic number and arranged in a manner that models the atomic structure of the elements
  5. most are hard and shiny, less reactive, examples are iron, copper, nickel and gold
  6. A column of the periodic table that includes elements that have similar properties because they have similar electron configurations. Aka. a family
  7. A neutral subatomic particle that is neutral and that is found in the nucleus of an atom
  8. metallic luster reflecting light;metallic luster, shiny
  9. A row in the periodic table that includes elements that have their valence electrons in the same energy level. The period number represents the valence shell. Aka. a series
  10. A positively charged ion, formed by a lost of electrons
  11. A set of elements typically placed at the bottom of the periodic table that consists of the f block elements from period 6
  12. Number The number of protons in the nucleus of an atom of an element
  13. A tiny, negatively charged particle that moves around the nucleus of an atom.
  14. transition metals
  15. Good conductor of heat and electricity. Has luster and high density.
  16. groups (families) vertical columns on the periodic table
  17. horizontal rows on the periodic table
  18. Alkaline earth metals
  19. very reactive, not found alone in nature, potassium and sodium are examples, Group 1 elements
  20. One of a general group of elements with similar characteristics, such as being a gas or a soft, crumbly solid at room temperature, and being a poor conductor of heat and electricity.
  21. pure substance that consists entirely of one type of atom
  22. An element with an atomic number greater than 92, the atomic number of uranium
  23. One of a general group of elements with characteristics that are between those of metals and nonmetals. Aka. a semiconductor
  24. An element of Group 2 on the periodic table. It is a reactive metal, having two valence electrons that is easily loses to form a 2+ cation
  25. An element of Group 1 on the periodic table. It is a soft, highly reactive metal that has one valence electron that it easily loses to form a 1+ cation
  26. the ease and speed with which an element combines or reacts with other elements and compounds
  27. A compound that contains sulfur, often sulfur combined with one other element
  28. Found along the 'staircase'. Have properties of both metals and nonmetals
  29. Brittle, poor conductors, no luster; can be a solid (s), liquid (l) or gas.(g)

52 Clues: Alkali metals. • transition metals • Alkaline earth metals • The radius of an atom • can be made into a wire • Unreactive, like noble gases • horizontal rows on the periodic table • Group 17 A group of reactive nonmetals. Group 17 • Electrons on the outermost energy level of an atom • Positively charged particle in the nucleus of an atom • ...

Chapter 3 Vocab 2020-10-22

Chapter 3 Vocab crossword puzzle
Across
  1. the ability of a substance to be hammered or rolled into sheets.
  2. Earth Metal-Is the elements in group 2.
  3. the ability of a metal to reflect light.
  4. a column of the periodic table.
  5. the ability to be pulled into thin wires.
  6. an element that has physical and chemical properties of both metal and nonmetals.
  7. the rows on the periodic table.
  8. Element-Is the elements in groups 3-12.
  9. gas-Is the elements in group 18.
Down
  1. elements that have no metallic properties.
  2. an element that is generally shiny.
  3. Table-Is a chart of the elements arranged into rows and columns according to their physical and chemical properties.
  4. electricity at high temperatures, but not at low temperatures.
  5. Metal-Is the elements in group 1.
  6. an element in group 17 of the periodic table.

15 Clues: a column of the periodic table. • the rows on the periodic table. • gas-Is the elements in group 18. • Metal-Is the elements in group 1. • an element that is generally shiny. • Earth Metal-Is the elements in group 2. • Element-Is the elements in groups 3-12. • the ability of a metal to reflect light. • the ability to be pulled into thin wires. • ...

study 2024-01-18

study crossword puzzle
Across
  1. which group on the periodic table has 6 valence electrons
  2. what is the formula for decomposition
  3. what is the difference between a chemical reaction and a nuclear reaction
  4. what is the formula for oxidation
  5. what is the most dangerous type of ray?
  6. which element on the periodic table has a mass of 1
  7. what is the formula for single replacement
  8. when the atom becomes more negative do the amount of electrons increase or decrease
  9. what are the 5 covalent bonds
Down
  1. what is contained in the nucleus of an atom
  2. when the atom becomes less negative do the amount of electrons increase or decrease
  3. what is the formula for synthesis
  4. which group on the periodic table has 8 valence electrons
  5. what is the formula for double replacement
  6. which group in the periodic table has 1 valence electron

15 Clues: what are the 5 covalent bonds • what is the formula for synthesis • what is the formula for oxidation • what is the formula for decomposition • what is the most dangerous type of ray? • what is the formula for double replacement • what is the formula for single replacement • what is contained in the nucleus of an atom • which element on the periodic table has a mass of 1 • ...