periodic%20table Crossword Puzzles

S 2021-02-21

S crossword puzzle
Across
  1. the last of the noble gases
  2. the last element of the alkali metals
  3. molecules that exist in pairs
  4. the lightest element
  5. the father of the periodic table
  6. the first metalloid element
  7. in nuclear power plants
Down
  1. a subatomic particle with no charge
  2. one of the most common radioactive materials
  3. a metallic element with the symbol of Fe
  4. the last element as of today
  5. the plum ___________ model was developed by JJ
  6. group 7A of the periodic table
  7. the atomic symbol for mercury
  8. the proponent of the name of the atom
  9. exists properties of both metals and non-

16 Clues: the lightest element • in nuclear power plants • the last of the noble gases • the first metalloid element • the last element as of today • molecules that exist in pairs • the atomic symbol for mercury • group 7A of the periodic table • the father of the periodic table • a subatomic particle with no charge • the last element of the alkali metals • ...

Periodic Table Vocabulary 2024-01-24

Periodic Table Vocabulary crossword puzzle
Across
  1. Found along the staircase of the periodic table. Has both properties of metals and nonmetals.
  2. A subatomic particle in the nucleus of an atom that keeps the protons together, has a charge of 0.
  3. A subatomic particle found outside of the nucleus that has a charge of -1, is the reason for all reactions.
  4. The rows of a periodic table, tells you how many orbitals there are.
Down
  1. The building blocks of life made up of protons, neutrons, and electrons.
  2. A subatomic particle found in the nucleus of an atom with a positive charge.
  3. The columns of a periodic table, tells you how many valence electrons there are in an element.
  4. A pure substance only made up of one atom.
  5. Brittle, Dull, Poor Conductors found on the right side of the periodic table. They are mostly gases.
  6. Mostly every element on the periodic table, found on the left side of the staircase. They are shiny, ductile, good conductors, malleable, and they luster.

10 Clues: A pure substance only made up of one atom. • The rows of a periodic table, tells you how many orbitals there are. • The building blocks of life made up of protons, neutrons, and electrons. • A subatomic particle found in the nucleus of an atom with a positive charge. • ...

Periodic table 2015-10-04

Periodic table crossword puzzle
Across
  1. what is Ag
  2. What is Ta
  3. what is Fe
  4. What is Ir
  5. what is C
  6. what is K
  7. what is H
Down
  1. what is O
  2. what is F
  3. WhatisSn
  4. What is Hs
  5. Whatis Ti
  6. what is Au
  7. what is N
  8. what is Cu

15 Clues: WhatisSn • what is O • what is F • Whatis Ti • what is N • what is C • what is K • what is H • what is Ag • What is Hs • What is Ta • what is Au • what is Fe • What is Ir • what is Cu

Periodic Table 2018-01-11

Periodic Table crossword puzzle
Across
  1. Ar
  2. C
  3. Li
  4. Gold
  5. Boron
  6. Hg
  7. Potassium
  8. Helium
Down
  1. Silver
  2. Rn
  3. Lead
  4. Ca
  5. Hydrogen
  6. Ni
  7. Br

15 Clues: C • Ar • Rn • Ca • Li • Ni • Br • Hg • Lead • Gold • Boron • Silver • Helium • Hydrogen • Potassium

periodic table 2021-10-25

periodic table crossword puzzle
Across
  1. the chemical element of atomic number 17, a toxic, irritant, pale green gas.
  2. a precious shiny greyish-white metal, the chemical element of atomic number 47.
  3. a non-metal with semiconducting properties
  4. a precious silvery-white metal, the chemical element of atomic number 78
  5. the chemical element of atomic number 12, a silver-white metal of the alkaline earth series
  6. proton without electric charge.
  7. the chemical element of atomic number 13, a light silvery-grey metal.
  8. the smallest particle of a chemical element that can exist.
Down
  1. the chemical element of atomic number 30
  2. the chemical element of atomic number 33, is a brittle steel-grey metalloid.
  3. the chemical element of atomic number 3, a soft silver-white metal. It is the lightest of the alkali metals.
  4. is a stable subatomic particle
  5. core of an atom
  6. what is the periodic table of.
  7. lightest member of the noble gas series.

15 Clues: core of an atom • is a stable subatomic particle • what is the periodic table of. • proton without electric charge. • the chemical element of atomic number 30 • lightest member of the noble gas series. • a non-metal with semiconducting properties • the smallest particle of a chemical element that can exist. • ...

Periodic Table 2022-03-06

Periodic Table crossword puzzle
Across
  1. very reactive nonmetals
  2. the smallest unit of a chemical element
  3. dense group that tend to react with water
  4. elements having properties of both metals and nonmetals
  5. elements which are good conductors, malleable, and lusterous
  6. negative subatomic partciles
  7. number of protons of an atom
  8. elements which are poor conductors, brittle
Down
  1. most reactive group in the periodic table
  2. a family of elements with similar chemical properties
  3. atoms of the same element having the same atomic number but different atomic mass
  4. inert unreactive elements
  5. A substance that cannot be broken down any further
  6. number of protons and neutrons of an atom
  7. a repeating pattern in the periodic table running horizontally

15 Clues: very reactive nonmetals • inert unreactive elements • negative subatomic partciles • number of protons of an atom • the smallest unit of a chemical element • most reactive group in the periodic table • dense group that tend to react with water • number of protons and neutrons of an atom • elements which are poor conductors, brittle • ...

Periodic Table 2022-03-06

Periodic Table crossword puzzle
Across
  1. dense group that tend to react with water
  2. most reactive group in the periodic table
  3. inert unreactive elements
  4. number of protons and neutrons of an atom
  5. a family of elements with similar chemical properties
  6. atoms of the same element having the same atomic number but different atomic mass
  7. elements having properties of both metals and nonmetals
  8. the smallest unit of a chemical element
  9. number of protons of an atom
Down
  1. very reactive nonmetals
  2. elements which are good conductors, malleable, and lusterous
  3. negative subatomic partciles
  4. a repeating pattern in the periodic table running horizontally
  5. elements which are poor conductors, brittle
  6. A substance that cannot be broken down any further

15 Clues: very reactive nonmetals • inert unreactive elements • negative subatomic partciles • number of protons of an atom • the smallest unit of a chemical element • dense group that tend to react with water • most reactive group in the periodic table • number of protons and neutrons of an atom • elements which are poor conductors, brittle • ...

Periodic Table 2022-03-06

Periodic Table crossword puzzle
Across
  1. number of protons and neutrons of an atom
  2. a family of elements with similar chemical properties
  3. most reactive group in the periodic table
  4. number of protons of an atom
  5. A substance that cannot be broken down any further
  6. atoms of the same element having the same atomic number but different atomic mass
  7. elements which are poor conductors, brittle
  8. elements having properties of both metals and nonmetals
  9. a repeating pattern in the periodic table running horizontally
Down
  1. inert unreactive elements
  2. dense group that tend to react with water
  3. very reactive nonmetals
  4. elements which are good conductors, malleable, and lusterous
  5. negative subatomic partciles
  6. the smallest unit of a chemical element

15 Clues: very reactive nonmetals • inert unreactive elements • number of protons of an atom • negative subatomic partciles • the smallest unit of a chemical element • number of protons and neutrons of an atom • dense group that tend to react with water • most reactive group in the periodic table • elements which are poor conductors, brittle • ...

Periodic Table 2021-12-23

Periodic Table crossword puzzle
Across
  1. He
  2. makes up the periodic table
  3. Al
  4. O
  5. Be
  6. C
  7. N
Down
  1. Li
  2. Mg
  3. H
  4. Na
  5. Electrons that occupy the highest levels in an atom
  6. F
  7. B
  8. Ne

15 Clues: H • O • F • B • C • N • He • Li • Mg • Na • Al • Be • Ne • makes up the periodic table • Electrons that occupy the highest levels in an atom

periodic table 2022-11-01

periodic table crossword puzzle
Across
  1. the total distance from an atom's nucleus to the outermost orbital electron
  2. horizontal row in the periodic table
  3. a process that involves rearrangement of the molecular or ionic structure of a substance
  4. the number of protons in the nucleus of an atom
  5. rare gases that have great stability and a low reaction rate
  6. positively charged particle in an atom
Down
  1. negatively charged particle in an atom
  2. good conductor of heat and electricity
  3. the average mass of the atoms of an element measured in atomic mass unit
  4. particle in an atom with no electric charge
  5. the basic unit of a chemical element
  6. vertical column in the periodic table
  7. pure substance
  8. elements that are not metals
  9. the six chemical elements that make up group 1

15 Clues: pure substance • elements that are not metals • the basic unit of a chemical element • horizontal row in the periodic table • vertical column in the periodic table • negatively charged particle in an atom • good conductor of heat and electricity • positively charged particle in an atom • particle in an atom with no electric charge • ...

periodic table 2020-11-19

periodic table crossword puzzle
Across
  1. how many periods are in the periodic table
  2. the element with an atomic number of one
  3. vertical lines on the table
  4. what the periodic table is sorted by
  5. element with the atomic number 118
  6. how many elements their are
  7. where you have to look for elements above the atomic number of 90
  8. horizantal lines on the table
Down
  1. small particles circling the atom
  2. found in the nucleas along with nuetrons
  3. list of all elements known to man
  4. different atoms bonded together
  5. any of the group 18 elements
  6. how many groups are in the periodidc table
  7. smallest particle of matter

15 Clues: vertical lines on the table • how many elements their are • smallest particle of matter • any of the group 18 elements • horizantal lines on the table • different atoms bonded together • small particles circling the atom • list of all elements known to man • element with the atomic number 118 • what the periodic table is sorted by • the element with an atomic number of one • ...

periodic trends 2023-11-13

periodic trends crossword puzzle
Across
  1. Metals: Elements that are soft and shiny, highly reactive with other elements, lose their outermost electron, and can be cut easily. These elements are only found in salts.
  2. Any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
  3. These elements do not conduct heat or electricity well, are very brittle, do not reflect light, and have low shine. Oxygen and Carbon are Non-Metals.
  4. Earth Elements: These elements are referred to as the lanthanide and actinide series, are all synthetic (man made), and are all metals.
  5. Elements that are in the same horizontal row in the periodic table
  6. Metals: Elements that are malleable and ductile, are good conductors of heat and electricity, and are very dense. These elements have a high melting and boiling point.
  7. number of electrons in the outermost energy level
  8. Gasses: These elements are very stable, almost never react with other elements, are all gasses, and are odorless and colorless. They also have a very low melting and boiling point.
Down
  1. Materials that can be hammered or rolled into sheets
  2. Earth Metals: Elements that are shiny and silvery-white, are only somewhat reactive with elements, and easily lose their two outermost electrons. These elements have low density, low melting points, and a low boiling point.
  3. Elements that are found between the metals and nonmetals, and share similarities with both metals and nonmetals. Most of these are semiconductors.
  4. Dot Diagram: uses the chemical symbol of an element surrounded by dots to represent
  5. Elements that are similar and found in vertical columns on the periodic table
  6. Element: One in which the nucleus breaks down and gives off particles and energy
  7. Elements that have similar characteristics
  8. Metals: These metals do not share characteristics with any other metals, highly malleable and ductile, and have a semi-high density. These elements are also solid at room temperature.

16 Clues: Elements that have similar characteristics • number of electrons in the outermost energy level • Materials that can be hammered or rolled into sheets • Elements that are in the same horizontal row in the periodic table • Elements that are similar and found in vertical columns on the periodic table • ...

Periodic Table 2023-11-07

Periodic Table crossword puzzle
Across
  1. Laptop
  2. Laser
  3. Video Recorder
  4. Toothpaste
  5. Radioactive Medicine
  6. Surgical Implants
  7. Glass Coloring
  8. Oil Or Gas
Down
  1. Source Of Radiation
  2. Printing Inks
  3. Cutting Tools
  4. Flatscreen TV
  5. Aircraft Engines
  6. Basic Of Life's Molecules
  7. Fire Extinguisher

15 Clues: Laser • Laptop • Toothpaste • Oil Or Gas • Printing Inks • Cutting Tools • Flatscreen TV • Video Recorder • Glass Coloring • Aircraft Engines • Surgical Implants • Fire Extinguisher • Source Of Radiation • Radioactive Medicine • Basic Of Life's Molecules

Periodic Table 2023-11-07

Periodic Table crossword puzzle
Across
  1. Laptop
  2. Laser
  3. Video Recorder
  4. Toothpaste
  5. Radioactive Medicine
  6. Surgical Implants
  7. Glass Coloring
  8. Oil Or Gas
Down
  1. Source Of Radiation
  2. Printing Inks
  3. Cutting Tools
  4. Flatscreen TV
  5. Aircraft Engines
  6. Basic Of Life's Molecules
  7. Fire Extinguisher

15 Clues: Laser • Laptop • Toothpaste • Oil Or Gas • Printing Inks • Cutting Tools • Flatscreen TV • Video Recorder • Glass Coloring • Aircraft Engines • Surgical Implants • Fire Extinguisher • Source Of Radiation • Radioactive Medicine • Basic Of Life's Molecules

Periodic Table 2023-10-18

Periodic Table crossword puzzle
Across
  1. it's in group 15 and period 2
  2. atomic number of 1
  3. atomic number of 85
  4. atomic number of 82
  5. atomic number of 21
  6. atomic number 112
  7. it's in group 2 and period 7
Down
  1. it's in Group 1 and Period 4
  2. it's in group 18 and period 1
  3. it's in group 18 and period 2
  4. atomic number of 8
  5. it's in group 4 and period 4
  6. atomic number of 54
  7. it's in group 8 and period 6
  8. it's in group 1 and period 2

15 Clues: atomic number 112 • atomic number of 1 • atomic number of 8 • atomic number of 85 • atomic number of 82 • atomic number of 54 • atomic number of 21 • it's in Group 1 and Period 4 • it's in group 4 and period 4 • it's in group 8 and period 6 • it's in group 1 and period 2 • it's in group 2 and period 7 • it's in group 18 and period 1 • it's in group 15 and period 2 • ...

periodic table 2018-12-07

periodic table crossword puzzle
Across
  1. my abbreviation is ZN
  2. the third element in the table
  3. it is also a planet
  4. the first element on the table
  5. you can find me in pencil
  6. the only 3 letter word in the table
  7. i am on the statue of liberty
  8. the abbreviation is B
Down
  1. it is worth 5 cent
  2. you can find this at a pool
  3. i am a superhero,i am_______man
  4. is worth a lot of money
  5. the last element of the table
  6. the abbreviation is N
  7. you find this in balloons

15 Clues: it is worth 5 cent • it is also a planet • my abbreviation is ZN • the abbreviation is N • the abbreviation is B • is worth a lot of money • you can find me in pencil • you find this in balloons • you can find this at a pool • the last element of the table • i am on the statue of liberty • the third element in the table • the first element on the table • i am a superhero,i am_______man • ...

Periodic Puzzle 2020-02-17

Periodic Puzzle crossword puzzle
Across
  1. We're never 100% sure where it is located
  2. Shiny mix of iron and sulfur (2 words)
  3. This has the highest atomic number of all the naturally occurring elements
  4. Don't eat this unless you really like garlic (and poison)
  5. Mom's bday number element
  6. The gas in between the panes of glass in most double pane windows
  7. Used (and reused) in modern computer screens
Down
  1. Positively charged particle
  2. The most expensive element you can buy
  3. An element that makes a green flame when burned
  4. Used in steel to make tough cannons & guns in World War I
  5. Used to be in hats, creating Mad Hatter's Disease
  6. A yellow gas that can make bricks catch fire
  7. Least reactive element
  8. Glows dark blue when electrified inside a tube

15 Clues: Least reactive element • Mom's bday number element • Positively charged particle • The most expensive element you can buy • Shiny mix of iron and sulfur (2 words) • We're never 100% sure where it is located • A yellow gas that can make bricks catch fire • Used (and reused) in modern computer screens • Glows dark blue when electrified inside a tube • ...

Periodic Crossword 2024-05-06

Periodic Crossword crossword puzzle
Across
  1. This is an expensive metal
  2. A metal that we can eat and make bridges with
  3. We need this to live
  4. Makes up most of the atmosphere
  5. We wrap foods in this metal
  6. This goes in pools
  7. This makes up salt
Down
  1. We used this for toothpaste
  2. This goes along with oxygen to make water
  3. We put this in light up signs
  4. This inflates balloons
  5. This has high radiation and has a lot of calories
  6. Cars release this
  7. We use this in batteries
  8. This is in bananas and potatoes

15 Clues: Cars release this • This goes in pools • This makes up salt • We need this to live • This inflates balloons • We use this in batteries • This is an expensive metal • We used this for toothpaste • We wrap foods in this metal • We put this in light up signs • Makes up most of the atmosphere • This is in bananas and potatoes • This goes along with oxygen to make water • ...

Periodic Table 2024-05-13

Periodic Table crossword puzzle
Across
  1. vertical sections
  2. horizontal sections
  3. also known as 5 cents
  4. found in pools
  5. has 5 electrons
  6. first post-transition metals
  7. simplest element
  8. metals soft shiny, low melting point
Down
  1. shiny and malleable
  2. symbol is a W
  3. the second element
  4. a shade of blue
  5. starts with a V
  6. gases colorless, odorless, tasteless, and nonflammable
  7. needed to breathe

15 Clues: symbol is a W • found in pools • a shade of blue • starts with a V • has 5 electrons • simplest element • vertical sections • needed to breathe • the second element • shiny and malleable • horizontal sections • also known as 5 cents • first post-transition metals • metals soft shiny, low melting point • gases colorless, odorless, tasteless, and nonflammable

Periodic Table 2024-05-09

Periodic Table crossword puzzle
Across
  1. Horizontal column
  2. vertical column
  3. on the right of the table
  4. Neutrons+Protons
  5. that is the same number as the protons
  6. on the left of the table
  7. the name of group 17
Down
  1. the group number indicates this
  2. group 18 period 3
  3. group 1 period 4
  4. the first family name
  5. elements that are not reactive in the same family
  6. elements located in the middle of the table
  7. one or two letters that represent an element
  8. on the staircase

15 Clues: vertical column • group 1 period 4 • Neutrons+Protons • on the staircase • Horizontal column • group 18 period 3 • the name of group 17 • the first family name • on the left of the table • on the right of the table • the group number indicates this • that is the same number as the protons • elements located in the middle of the table • one or two letters that represent an element • ...

periodic table 2024-04-05

periodic table crossword puzzle
Across
  1. Mass number is 4
  2. Mass number is 226
  3. Mass number is 16
  4. Mass number is 65
  5. Mass number is 14
  6. Mass number is 19
  7. Mass number is 85
  8. Mass number is 35
  9. Mass number is 269
Down
  1. Mass number is 201
  2. Mass number is 39.9
  3. Mass number is 1
  4. Mass number is 11
  5. Mass number is 40
  6. Mass number is 48

15 Clues: Mass number is 4 • Mass number is 1 • Mass number is 11 • Mass number is 16 • Mass number is 65 • Mass number is 40 • Mass number is 14 • Mass number is 19 • Mass number is 48 • Mass number is 85 • Mass number is 35 • Mass number is 201 • Mass number is 226 • Mass number is 269 • Mass number is 39.9

Periodic Table 2024-08-09

Periodic Table crossword puzzle
Across
  1. Pirates
  2. Planet
  3. 1st
  4. Fluro/ bright colours
  5. Banana
  6. Balloon
  7. Uranus
Down
  1. Seasoning
  2. 2nd place
  3. Humans need
  4. Dairy
  5. SUperman
  6. India + um
  7. Neptune
  8. Trees absorb

15 Clues: 1st • Dairy • Planet • Banana • Uranus • Pirates • Neptune • Balloon • SUperman • Seasoning • 2nd place • India + um • Humans need • Trees absorb • Fluro/ bright colours

Periodic Table 2025-04-01

Periodic Table crossword puzzle
Across
  1. essential for breathing
  2. a heavy metal once used in paint and gasoline
  3. a yellow nonmetal known for its rotten egg smell
  4. a noble gas used in high intensity lamps
  5. a metal used to make steel and found in blood
  6. makes up about 78% of Earth's atmosphere
  7. a gas used in balloons that makes voices sound high pitched
  8. A metalloid used in computer chips.
  9. a metal that reacts violently with water
Down
  1. a metal used in electrical wiring and coins
  2. A metal that burns with a bright white flame.
  3. a greenish gas used to disinfect water
  4. a radioactive element used in nuclear power
  5. a soft metal used in rechargeable batteries
  6. the lightest element in the universe

15 Clues: essential for breathing • A metalloid used in computer chips. • the lightest element in the universe • a greenish gas used to disinfect water • a noble gas used in high intensity lamps • makes up about 78% of Earth's atmosphere • a metal that reacts violently with water • a metal used in electrical wiring and coins • a radioactive element used in nuclear power • ...

Periodic Table 2025-02-23

Periodic Table crossword puzzle
Across
  1. He
  2. makes up the periodic table
  3. Al
  4. O
  5. Be
  6. C
  7. N
Down
  1. Li
  2. Mg
  3. H
  4. Na
  5. Electrons that occupy the highest levels in an atom
  6. F
  7. B
  8. Ne

15 Clues: H • O • F • B • C • N • He • Li • Mg • Na • Al • Be • Ne • makes up the periodic table • Electrons that occupy the highest levels in an atom

Periodic table 2025-02-23

Periodic table crossword puzzle
Across
  1. has an atomic number of 18
  2. the atomic number is 8
  3. group 1 period 3
  4. period 3 group 14
  5. The atomic mass is 4
  6. has an atomic number of 80
  7. group 14 period 5
  8. Group 18 period 4
Down
  1. group 14 period 2
  2. in period 2 group 13
  3. group 15 period 3
  4. it is a transition metal
  5. has an atomic mass of 197
  6. has an atomic mass of 64
  7. has an atomic mass of 20

15 Clues: group 1 period 3 • group 14 period 2 • group 15 period 3 • period 3 group 14 • group 14 period 5 • Group 18 period 4 • in period 2 group 13 • The atomic mass is 4 • the atomic number is 8 • it is a transition metal • has an atomic mass of 64 • has an atomic mass of 20 • has an atomic mass of 197 • has an atomic number of 18 • has an atomic number of 80

Periodic table 2025-02-23

Periodic table crossword puzzle
Across
  1. Clue Ca
  2. Clue O
  3. Clue Au
  4. Clue K
  5. Clue Ar
  6. Clue Ag
  7. Clue Zn
  8. Clue Sn
  9. Clue He
Down
  1. Clue Hg
  2. Clue Na
  3. Clue H
  4. Clue N
  5. Clue Pb
  6. Clue Li

15 Clues: Clue H • Clue O • Clue N • Clue K • Clue Ca • Clue Hg • Clue Na • Clue Au • Clue Pb • Clue Li • Clue Ar • Clue Ag • Clue Zn • Clue Sn • Clue He

Periodic table 2025-09-17

Periodic table crossword puzzle
Across
  1. There are 2 of these atoms in water
  2. milk
  3. bananas
  4. This is a common metal which is used in construction, and also household items, like skillets
  5. S
  6. it can be used as a propellant in ion engines
  7. This is used to make batteries
  8. one of the elements to make table salt
Down
  1. a neutron reflector and moderator in nuclear reactors
  2. Used for green coloring in barium
  3. This is used in pools to disinfect them, Cl
  4. is high in leafy greens, legumes and nuts
  5. this is used in atomic clocks, also known as Cs
  6. This has a 22 min long half life, high radioactivity, and very rare
  7. This also has very high radioactivity and is used in self-luminous paints for watches and instruments

15 Clues: S • milk • bananas • This is used to make batteries • Used for green coloring in barium • There are 2 of these atoms in water • one of the elements to make table salt • is high in leafy greens, legumes and nuts • This is used in pools to disinfect them, Cl • it can be used as a propellant in ion engines • this is used in atomic clocks, also known as Cs • ...

Periodic Table 2025-12-22

Periodic Table crossword puzzle
Across
  1. Is a Non Metal and in Group 16 and Period
  2. Is a Alkali Metal in Period 3
  3. Atomic Mass is 131.29 rounded to (132)
  4. Located in Period 7 and Group 4
  5. Is a Metalloid in Period 2
  6. Located in the Lanthanide Series and has 57 Electrons
  7. Atomic Number is 67
Down
  1. Located in Period 2 and is in the Halogen Metal Group
  2. Is a Metal and in Period 3 and Group 13
  3. Has 22 Protons 22 Electrons 26 Neutrons
  4. Has 6 Protons and is a Non Metal
  5. Is a Transition Metal and has 79 Protons
  6. Is a Alkaline Earth Metal in Period 7
  7. Located in Period 4 and is a Transition Metal and has 26 Protons
  8. Is a Transition Metal in Group 8 and Period 6

15 Clues: Atomic Number is 67 • Is a Metalloid in Period 2 • Is a Alkali Metal in Period 3 • Located in Period 7 and Group 4 • Has 6 Protons and is a Non Metal • Is a Alkaline Earth Metal in Period 7 • Atomic Mass is 131.29 rounded to (132) • Is a Metal and in Period 3 and Group 13 • Has 22 Protons 22 Electrons 26 Neutrons • Is a Transition Metal and has 79 Protons • ...

Periodicity Unit Review 2022-10-26

Periodicity Unit Review crossword puzzle
Across
  1. represents energy level
  2. smaller parts of energy levels
  3. increases with the # of protons
  4. increases with electronegativity
  5. Father of periodic table
  6. names of sublevels
  7. plus one charge
  8. said no 2 electrons can have the same exact set of quantum numbers and electrons in the same orbital have opposite spin
  9. group 8A
Down
  1. is larger when electron shielding is high
  2. represents valence electrons
  3. increases across a period
  4. said unpaired electrons occupy empty orbitals first with parallel spin
  5. 3D region around an electron
  6. blocks proton pull
  7. Maker of modern periodic table
  8. said electrons occupy the lowest energy level first

17 Clues: group 8A • plus one charge • blocks proton pull • names of sublevels • represents energy level • Father of periodic table • increases across a period • represents valence electrons • 3D region around an electron • smaller parts of energy levels • Maker of modern periodic table • increases with the # of protons • increases with electronegativity • ...

APEMAN :) 2021-12-07

APEMAN :) crossword puzzle
Across
  1. Proton
  2. Positive
  3. Neutron
Down
  1. number Atomic number
  2. mass Atomic mass
  3. Negative
  4. table periodic table
  5. Electron
  6. Neutral

9 Clues: Proton • Neutron • Neutral • Negative • Positive • Electron • mass Atomic mass • number Atomic number • table periodic table

Periodic Table 2025-09-14

Periodic Table crossword puzzle
Across
  1. Group 18 elements; nonreactive gases with full electron shells.
  2. Ability of a material to transfer heat or electricity.
  3. Elements that are good conductors, malleable, ductile, and shiny.
  4. Elements with properties of both metals and nonmetals.
Down
  1. The scientist who created the first version of the periodic table.
  2. Ability of a material to be hammered into thin sheets.
  3. Horizontal rows on the Periodic Table
  4. Ability of a material to be drawn into wires.
  5. Elements that are poor conductors and brittle when solid.
  6. Vertical columns on the Periodic Table
  7. Shininess of a surface; how it reflects light.

11 Clues: Horizontal rows on the Periodic Table • Vertical columns on the Periodic Table • Ability of a material to be drawn into wires. • Shininess of a surface; how it reflects light. • Ability of a material to be hammered into thin sheets. • Ability of a material to transfer heat or electricity. • Elements with properties of both metals and nonmetals. • ...

Test 2022-12-30

Test crossword puzzle
Across
  1. A unit of time equal to 60 minutes
  2. The capital of Italy
  3. The smallest continent on Earth
  4. The 7th planet from the sun
  5. The largest ocean on Earth
  6. The currency of Japan
  7. The fifth element on the periodic table
Down
  1. The first element on the periodic table
  2. The currency of Canada
  3. The capital of Brazil
  4. The capital of France
  5. A unit of time equal to 60 seconds
  6. The largest continent on Earth
  7. A unit of distance equal to 5280 feet
  8. The currency of the United Kingdom

15 Clues: The capital of Italy • The capital of Brazil • The capital of France • The currency of Japan • The currency of Canada • The largest ocean on Earth • The 7th planet from the sun • The largest continent on Earth • The smallest continent on Earth • A unit of time equal to 60 minutes • A unit of time equal to 60 seconds • The currency of the United Kingdom • ...

Elements 2024-05-29

Elements crossword puzzle
Across
  1. plants breathe
  2. Row on the periodic table with same number of atomic orbits
  3. up pipes and wires
  4. your swimming pool to kill bacteria
  5. like rotten eggs
  6. two metals combine
  7. gas in a light bulb
  8. makes up table salt
  9. conductors of heat and electrici
Down
  1. noble gas that makes your balloon float
  2. Super reactive element in baking powder
  3. breath this in to survive
  4. up most of the earth's atmosphere
  5. is made up of __________
  6. up to 75% of all matter in the universe
  7. column on the periodic table with same number of electrons
  8. wrap your sandwich with this element

17 Clues: plants breathe • like rotten eggs • up pipes and wires • two metals combine • gas in a light bulb • makes up table salt • is made up of __________ • breath this in to survive • conductors of heat and electrici • up most of the earth's atmosphere • your swimming pool to kill bacteria • wrap your sandwich with this element • noble gas that makes your balloon float • ...

Science Puzzle 2025-05-07

Science Puzzle crossword puzzle
Across
  1. contributions to atomic physics,
  2. a change in colo
  3. examine the elements involved and their location on the periodic table
  4. Block of matter
  5. radioactive elements
  6. solid, liquid, and gas
  7. bonds are characterized by the sharing of electrons between atoms
Down
  1. a combination of metal and nonmetal elements,
  2. atomic number, group, period, valence electrons
  3. their properties, location on the periodic table, or their atomic number
  4. a place to make elephant toothpaste
  5. answer
  6. pressure, volume, temperature
  7. neutrons+protons
  8. something about motion, force, and how objects interact

15 Clues: answer • Block of matter • a change in colo • neutrons+protons • radioactive elements • solid, liquid, and gas • pressure, volume, temperature • contributions to atomic physics, • a place to make elephant toothpaste • a combination of metal and nonmetal elements, • atomic number, group, period, valence electrons • something about motion, force, and how objects interact • ...

Financial Literacy - Understanding savings 2024-08-24

Financial Literacy - Understanding savings crossword puzzle
Across
  1. A return or benefit from an investment
  2. Income earned on the principal
  3. Interest-earning bank account
  4. Periodic payment for a loan
  5. Small contributions over time
  6. Reducing unnecessary expense
Down
  1. Deposit that cannot be withdrawn before maturity
  2. Government-sponsored savings plan
  3. Money set aside for future use
  4. Long-term savings for retirement
  5. A plan for managing money
  6. A common place to store savings
  7. Periodic savings as a deposit in a bank
  8. Fixed amount deposited for a specified period
  9. Something valuable kept for future use

15 Clues: A plan for managing money • Periodic payment for a loan • Reducing unnecessary expense • Interest-earning bank account • Small contributions over time • Income earned on the principal • Money set aside for future use • A common place to store savings • Long-term savings for retirement • Government-sponsored savings plan • A return or benefit from an investment • ...

First Semester Review 2025-11-21

First Semester Review crossword puzzle
Across
  1. The building block of all matter
  2. _________ is after 'Molecule' in the Hierarchy of solids.
  3. Carbon and Graphite are carbon ____________.
  4. __________-Evidence-Reasoning
  5. The subatomic particle that has a negative charge.
  6. State of matter is a __________ property.
  7. Endothermic reactions _________ thermal energy.
  8. The 27th element of the periodic table.
Down
  1. The 53rd element.
  2. Salt and sugar are ___________ solids.
  3. The Periodic Table of ______________.
  4. All compounds are not _____________.
  5. the ______ in a chemical equation means "to yield".
  6. Mass cannot be created nor ____________.
  7. How we should smell substances in a lab

15 Clues: The 53rd element. • __________-Evidence-Reasoning • The building block of all matter • All compounds are not _____________. • The Periodic Table of ______________. • Salt and sugar are ___________ solids. • How we should smell substances in a lab • The 27th element of the periodic table. • Mass cannot be created nor ____________. • State of matter is a __________ property. • ...

Charge the E-GRID 2021-09-13

Charge the E-GRID crossword puzzle
Across
  1. 2
  2. 8
  3. 14
  4. 6
  5. 3
  6. 13
  7. 12
  8. 10
Down
  1. 5
  2. 1
  3. 11
  4. 15
  5. 4
  6. 7
  7. 9

15 Clues: 5 • 1 • 2 • 8 • 4 • 6 • 7 • 3 • 9 • 11 • 15 • 14 • 13 • 12 • 10

Periodic Table Vocabulary 2024-01-22

Periodic Table Vocabulary crossword puzzle
Across
  1. can be pulled into long wires
  2. father of the periodic table
  3. pure substance that consists of one type of atom
  4. group one metals except hydrogen
  5. has no charge
Down
  1. determines how the periodic table is organized
  2. chemically unactive
  3. located on the staircase
  4. has a negative charge
  5. has a positive charge
  6. horizontal rows

11 Clues: has no charge • horizontal rows • chemically unactive • has a negative charge • has a positive charge • located on the staircase • father of the periodic table • can be pulled into long wires • group one metals except hydrogen • determines how the periodic table is organized • pure substance that consists of one type of atom

Perf. 10 Crossword Puzzle 2022-12-19

Perf. 10 Crossword Puzzle crossword puzzle
Across
  1. An element characterized by properties that include dull, brittle, and poor conductivity
  2. An element with both characteristics of metals and nonmetals
  3. A property used to describe a material that can be drawn into a long wire
  4. Metal elements found in period 6 of the periodic table
Down
  1. Reactive metal elements found in group 2 of the periodic table
  2. The most reactive metal elements found in group 1 of the periodic table
  3. A property used to describe a material that beaks or fractures with a small amount of force
  4. The chart of elements showing the repeating pattern of their properties
  5. An element characterized by properties that include shineness malleability, ductility, and conductivity
  6. Radioactive metal elements found in period 7 of the periodic table

10 Clues: Metal elements found in period 6 of the periodic table • An element with both characteristics of metals and nonmetals • Reactive metal elements found in group 2 of the periodic table • Radioactive metal elements found in period 7 of the periodic table • The most reactive metal elements found in group 1 of the periodic table • ...

Perf. 10 Crossword Puzzle 2022-12-19

Perf. 10 Crossword Puzzle crossword puzzle
Across
  1. An element characterized by properties that include dull, brittle, and poor conductivity
  2. An element with both characteristics of metals and nonmetals
  3. A property used to describe a material that can be drawn into a long wire
  4. Metal elements found in period 6 of the periodic table
Down
  1. Reactive metal elements found in group 2 of the periodic table
  2. The most reactive metal elements found in group 1 of the periodic table
  3. A property used to describe a material that beaks or fractures with a small amount of force
  4. The chart of elements showing the repeating pattern of their properties
  5. An element characterized by properties that include shineness malleability, ductility, and conductivity
  6. Radioactive metal elements found in period 7 of the periodic table

10 Clues: Metal elements found in period 6 of the periodic table • An element with both characteristics of metals and nonmetals • Reactive metal elements found in group 2 of the periodic table • Radioactive metal elements found in period 7 of the periodic table • The most reactive metal elements found in group 1 of the periodic table • ...

Unit #2: Atomic Theory & Structure 2021-05-02

Unit #2: Atomic Theory & Structure crossword puzzle
Across
  1. Rutherford discovered that the atom has a small, positive, dense nucleus through his
  2. How many significant figures are there in the value 9405.000210
  3. Bohr’s proposal that electrons orbit the nucleus like planets around the sun was
  4. Groups 3B to 2B comprise the
  5. Leading zeros are [blank] significant figures
  6. Which group/family is indicated if it is gray, hard, brittle, and has high melting and boiling points?
  7. Henry Moseley was an Englishman who corrected Mendeleev and created a periodic table according to the
  8. The only particle that will appear on the reactant side of an equation is when an [blank] occurs
Down
  1. This Russian chemist published the first periodic table arranged according to atomic mass and is known as the “Father of the Periodic Table”
  2. Ions are formed in reflection of a change in the number of
  3. Through the Cathode Ray Tube Experiment, Thomson discovered that electrons are [blank] charged
  4. Dalton’s theory that atoms were like a solid sphere
  5. If I have 248.23 grams of Chlorine, how many moles is this? Round to the nearest thousandth, and exclude units.
  6. What phase is Group 18 on the periodic table at 25°C and 1 atm?
  7. Alpha particles can be stopped by
  8. Silver exists in nature in two isotope, Ag-107 and Ag-109. If the atomic mass of silver is 107.87 amu, what is the percentage of abundance of the Ag-109 isotope? Round to the nearest tenth, and exclude units.

16 Clues: Groups 3B to 2B comprise the • Alpha particles can be stopped by • Leading zeros are [blank] significant figures • Dalton’s theory that atoms were like a solid sphere • Ions are formed in reflection of a change in the number of • How many significant figures are there in the value 9405.000210 • What phase is Group 18 on the periodic table at 25°C and 1 atm? • ...

Chemistry basics 2021-03-07

Chemistry basics crossword puzzle
Across
  1. electrode where reduction occurs
  2. least electronegative element
  3. Scientist that invented dynamite
  4. a pH less than 7
  5. the same atomic number but different atomic masses
  6. a metal that is liquid at room temperature
  7. all form acids when combined with hydrogen
Down
  1. the scientist that created the three laws of motion
  2. i have 6 protons and form many compounds
  3. most electronegative element
  4. i am a metallic mixture of two or more elements
  5. a substance that increases chemical reaction rate
  6. discovered first periodic table
  7. horizontal rows on periodic table
  8. a negative ion
  9. SI unit of energy
  10. i am one of the least reactive metals

17 Clues: a negative ion • a pH less than 7 • SI unit of energy • most electronegative element • least electronegative element • discovered first periodic table • electrode where reduction occurs • Scientist that invented dynamite • horizontal rows on periodic table • i am one of the least reactive metals • i have 6 protons and form many compounds • ...

GCSE Chemistry C4 crossword 2015-03-06

GCSE Chemistry C4 crossword crossword puzzle
Across
  1. materials that conduct electricity with little or no resistance
  2. coloumn in the periodic table
  3. between two non-metals
  4. form positive ions
  5. have no charge and a mass of 1
  6. have a negative charge and a mass of zero
  7. number of protons
  8. have a plus charge and a mass of 1
  9. charged particles
  10. the movement of ions which allows the flow of electricity
Down
  1. allow metals to conduct heat and electrons
  2. row in the periodic table
  3. form between metals and non-metals
  4. the mass of the element
  5. gaining an electron
  6. loss on an electron
  7. become positively charged ions

17 Clues: number of protons • charged particles • form positive ions • gaining an electron • loss on an electron • between two non-metals • the mass of the element • row in the periodic table • coloumn in the periodic table • have no charge and a mass of 1 • become positively charged ions • form between metals and non-metals • have a plus charge and a mass of 1 • ...

Chemistry unit 2 vocabulary 2020-11-05

Chemistry unit 2 vocabulary crossword puzzle
Across
  1. The number of protons and electrons in a given element.
  2. The measurement of a mole of mass for any substance.
  3. Odorless, colorless, gases with very low chemical reactivity, consisting of one atom and full electron shells. (helium, neon, argon, krypton, xenon, and radon)
  4. A way of expressing real numbers that are too large or too small to be conveniently written in decimal form.
  5. A row of chemical elements. All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor.
Down
  1. A column of elements in the periodic table of the chemical elements. There is a number above each column stating the number of valence electrons for that group.
  2. A negatively charged particle, located in the outermost shell of an atom.
  3. With the exception of HYDROGEN, the elements on the left side of the periodic table are METALS. Elements on the right side of the periodic table are NONMETALS. The staggered stair step on the periodic table divides the metals from the nonmetals. Metalloids are located ON the stair step.
  4. An atom or molecule that has a net electrical charge. (electrons are a different number from protons)
  5. The mass of an element’s atom.
  6. A group in the periodic table consisting of five chemically related elements. (Fluorine, chlorine, bromine, iodine, and astatine)
  7. Has more electrons than protons, giving it a net negative charge. To form, one or more electrons must be gained.
  8. Has more protons than electrons, giving it a net positive charge. To form, one or more electrons must be lost.
  9. When an atom has a full outer shell, giving it the configuration of a noble gas.

14 Clues: The mass of an element’s atom. • The measurement of a mole of mass for any substance. • The number of protons and electrons in a given element. • A negatively charged particle, located in the outermost shell of an atom. • When an atom has a full outer shell, giving it the configuration of a noble gas. • ...

The Stone Age Perfect 10 Crossword 2022-12-21

The Stone Age Perfect 10 Crossword crossword puzzle
Across
  1. Columns on the periodic table
  2. mass A Elements mass
  3. table Table of elements
  4. and object that is not a good conductor, easy to break, and dull.
Down
  1. A horizontal line on the periodic table
  2. Easy to bend
  3. the measure of the ease at which an electric charge or heat can pass through a material.
  4. Easily breakable
  5. number A Elements number
  6. A shiny and malleable

10 Clues: Easy to bend • Easily breakable • A shiny and malleable • mass A Elements mass • table Table of elements • number A Elements number • Columns on the periodic table • A horizontal line on the periodic table • and object that is not a good conductor, easy to break, and dull. • the measure of the ease at which an electric charge or heat can pass through a material.

Earth & Space PRD 11 2021-09-16

Earth & Space PRD 11 crossword puzzle
Across
  1. Number 2 on periodic table
  2. The best teacher ever
  3. Where the sun gets it's energy
  4. The E in E=mc2
Down
  1. The star collapse, dies and explodes at the moment you create ________ at the core
  2. What formed elements 1,2,3 (Hydrogen, helium and lithium)
  3. The M in E=mc2
  4. Number 5 on periodic table
  5. Number 1 on the periodic table

9 Clues: The M in E=mc2 • The E in E=mc2 • The best teacher ever • Number 2 on periodic table • Number 5 on periodic table • Number 1 on the periodic table • Where the sun gets it's energy • What formed elements 1,2,3 (Hydrogen, helium and lithium) • The star collapse, dies and explodes at the moment you create ________ at the core

Science terms 2017-02-10

Science terms crossword puzzle
Across
  1. releasing heat
  2. Atoms combined together
  3. Horizantal rows on the periodic table
  4. carries positive charge
  5. chemical before experiment
  6. metal gas of an element
  7. how much an element weighs
  8. nothing created or destroyed by chemical reactions
  9. result of chemical experiment
  10. number in the corner of a element
Down
  1. Substances come together to form this
  2. Holds a atom together;middle part
  3. two or more chemical substances combined together
  4. carries negative charge
  5. releasing coldness
  6. Metals, nonmetals, Metalloids are all_________on the table
  7. both properties of and metal and nonmetal
  8. electron Electrons along the outer ring
  9. solid of a element
  10. Abbreviation/latin root of element name
  11. formulated periodic table
  12. another word for element
  13. carries no charge
  14. Represented as a wave function
  15. gaseous elements

25 Clues: releasing heat • gaseous elements • carries no charge • releasing coldness • solid of a element • carries negative charge • Atoms combined together • carries positive charge • metal gas of an element • another word for element • formulated periodic table • chemical before experiment • how much an element weighs • result of chemical experiment • Represented as a wave function • ...

Do You Know Your Terms 2013-04-13

Do You Know Your Terms crossword puzzle
Across
  1. Positively or negatively charged atom
  2. Column in the periodic table
  3. Element that is hard, shiny, malleable, and ductile
  4. Smallest particle of a pure substance
  5. Measure of a substance's resistance to flow
  6. Ability to burn in air
  7. Smallest part of an element
  8. Uncharged particle
  9. Row in the periodic table
  10. Anything that occupies space
  11. Number of protons in the nucleus
  12. Positively charged centre of an atom
Down
  1. Matter that contains more than one type of particle
  2. Positively charged particle
  3. Ratio of mass to volume
  4. Made of two or more different elements
  5. Outermost electron
  6. Ability of a substance to remain unchanged
  7. Element that shares some properties with metals and non-metals
  8. A pure substance
  9. Negatively charged particle

21 Clues: A pure substance • Outermost electron • Uncharged particle • Ability to burn in air • Ratio of mass to volume • Row in the periodic table • Positively charged particle • Smallest part of an element • Negatively charged particle • Column in the periodic table • Anything that occupies space • Number of protons in the nucleus • Positively charged centre of an atom • ...

Vibrations and Waves 2014-04-15

Vibrations and Waves crossword puzzle
Across
  1. A tremendous increase in amplitude
  2. Swinging motion
  3. Prevention of vibrations
  4. Results from interference of two waves
  5. Repeating after a fixed interval of time
  6. Pendulum having two threads
Down
  1. Occurs at resonance
  2. Useful for reducing vibrations
  3. Vibrations in the air
  4. English physicist who discovered Argon and also worked on dynamics of resonance
  5. What all waves carry and transmit
  6. Matching of frequencies
  7. Series of subsidiary vibrations, whose frequencies are in simple ratios
  8. Results in dynamic vibrations
  9. French physicist who demonsrated Earth's rotation by suspending a pendulum
  10. Scientist who observed swinging of lantern
  11. Interval of eight diatonic degrees between two tones
  12. Various ways in which a system can vibrate
  13. Caused by vibrations, ultimately leads to failure
  14. A kind of analysis of periodic functions

20 Clues: Swinging motion • Occurs at resonance • Vibrations in the air • Matching of frequencies • Prevention of vibrations • Pendulum having two threads • Results in dynamic vibrations • Useful for reducing vibrations • What all waves carry and transmit • A tremendous increase in amplitude • Results from interference of two waves • A kind of analysis of periodic functions • ...

Matter Matters Crossword 2021-06-01

Matter Matters Crossword crossword puzzle
Across
  1. Number two on the periodic table
  2. Has the symbol N
  3. The New Zealander
  4. Has the symbol K
  5. The first element
  6. Yellow and expensive
  7. The element we breath
  8. It's symbol is Fe
  9. It is in your can
  10. What's in your milk and bones
  11. A metal cars are made of (13)
  12. Stinky smell from a volcano
  13. He has wild hair and a moustache
  14. The smallest thing
Down
  1. Combination of different elements
  2. Another name is quicksilver
  3. telephone wires use it
  4. What we all have in us
  5. Named after the northern continent
  6. Named after the Russian capital
  7. Very radioactive
  8. Named after the very populous country
  9. It used to be a planet
  10. Number three on the periodic table

24 Clues: Has the symbol N • Has the symbol K • Very radioactive • The New Zealander • The first element • It's symbol is Fe • It is in your can • The smallest thing • Yellow and expensive • The element we breath • telephone wires use it • What we all have in us • It used to be a planet • Another name is quicksilver • Stinky smell from a volcano • What's in your milk and bones • ...

Atom Chem 2021-10-18

Atom Chem crossword puzzle
Across
  1. Element with 80 protons
  2. Element with 1 proton
  3. Stored energy
  4. Mass divided by density
  5. Volume times density
  6. Particle with a negative charge
  7. going from gas to Liquid
  8. going from Liquid to gas
  9. Element with 79 Protons
  10. Type of chemical change
  11. Going from Solid to Liquid
  12. Smallest unit of matter
Down
  1. affect of gravity on matter
  2. mass divided by volume
  3. Name of columns on the periodic table
  4. Determined by valance electrons
  5. Particle with a positive charge
  6. motion energy
  7. Particle with a neutral charge
  8. Going from liquid to solid
  9. substance changes at atomic level
  10. Quantity of matter
  11. Name of horizontal rows on periodic table
  12. Element with 10 protons
  13. substance changed at surface level
  14. Type of physical change

26 Clues: Stored energy • motion energy • Quantity of matter • Volume times density • Element with 1 proton • mass divided by volume • Element with 80 protons • Mass divided by density • Element with 10 protons • Type of physical change • Element with 79 Protons • Type of chemical change • Smallest unit of matter • going from gas to Liquid • going from Liquid to gas • Going from liquid to solid • ...

Chemistry CrossWord Puzzle 2023-12-07

Chemistry CrossWord Puzzle crossword puzzle
Across
  1. the amount of protons in an element
  2. Most outter shell
  3. energy needed to remove one electron from a neutral atom
  4. negatively charged particle in an atom
  5. atom with an electric charge
  6. table that contains all known elements
  7. when two or more atoms join togther
  8. chemical substance that cannot be broken down
  9. positivly charged particle in an atom
Down
  1. total number of particles in an atom
  2. basic building block of all matter
  3. bond between two non-metals
  4. size of an atom
  5. bond between metals and non- metals
  6. a column in the periodic table
  7. bond between two metals
  8. ability to attract electrons
  9. when an atom of the same elemnt has a diffrent amount of neutrons
  10. a row in the periodic table
  11. neutral particle in an atom

20 Clues: size of an atom • Most outter shell • bond between two metals • bond between two non-metals • a row in the periodic table • neutral particle in an atom • atom with an electric charge • ability to attract electrons • a column in the periodic table • basic building block of all matter • the amount of protons in an element • bond between metals and non- metals • ...

Crossword 2023-12-04

Crossword crossword puzzle
Across
  1. ability of an atom to undergo a chemical reaction
  2. energy is absorbed/added
  3. used to meausre air pressure
  4. energy due to position
  5. atom with a positive or negative charge
  6. measure of disorder in a system
  7. distance between 2 crests
  8. movement of gas through a small opening
  9. # of waves passing through a single point in 1 sec
Down
  1. atom with a positive charge
  2. device measuring the amount of heat released/absorbed
  3. energy traveling in waves through space
  4. required to remove a valence electron from an atom
  5. horizontal rows of the periodic table
  6. vertical columns of periodic table
  7. energy due to an object's motion
  8. limitations of a design
  9. heat transfer by movement within fluids
  10. matter & energy can flow in & out
  11. amount of physical space occupied

20 Clues: energy due to position • limitations of a design • energy is absorbed/added • distance between 2 crests • atom with a positive charge • used to meausre air pressure • measure of disorder in a system • energy due to an object's motion • matter & energy can flow in & out • amount of physical space occupied • vertical columns of periodic table • horizontal rows of the periodic table • ...

Elements & Periodic Table 2020-10-01

Elements & Periodic Table crossword puzzle
Across
  1. The symbol for arsenic.
  2. The symbol for element 77 in the periodic table.
  3. The symbol for gadolinium
  4. The symbol for manganese.
  5. Can be used to inflate balloons.
  6. This element has the symbol B
  7. A well known planet
  8. A light, silvery metal used to make window frames
  9. A soft, grey malleable metal used in plumbing and fishing.
  10. Cane be used to make electricity.
Down
  1. helps fight against osteoporosis.
  2. more expensive than gold.
  3. Superman came from here.
  4. 4th column from the left.
  5. This element is very common in sea water.
  6. As bright as a _________ light.
  7. The element 42 in the periodic table.
  8. Cars in the future will be fueled by this.
  9. The symbol for argon.
  10. The opposite of non-metal.

20 Clues: A well known planet • The symbol for argon. • The symbol for arsenic. • Superman came from here. • more expensive than gold. • 4th column from the left. • The symbol for gadolinium • The symbol for manganese. • The opposite of non-metal. • This element has the symbol B • As bright as a _________ light. • Can be used to inflate balloons. • helps fight against osteoporosis. • ...

Mr crossword 2024-06-10

Mr crossword crossword puzzle
Across
  1. urban dynamic - making something stonger or more solid
  2. Man's best friend
  3. what does the letters ES stand for in the periodic table
  4. MC in inside out
  5. Large marsupial
  6. and the beast
  7. ski mask the slump gods new single
  8. Has a trunk
  9. Japanese picture books
  10. charlotte's new dogs name
  11. not speaking properly
  12. Ethan.
Down
  1. who is the stone hashira
  2. charlottes favourite anime character
  3. dirt and sand is apart of?
  4. Lin Manuel Miranda
  5. Eminem’s latest song
  6. looks similar to Indian flag
  7. anime genre for reincarnation
  8. ____ de ma vie
  9. opposite to ivory (colours)
  10. what does K stand for in the periodic table
  11. A verb for depart
  12. sexiest man
  13. Flying mammal
  14. Likes to chase mice
  15. Koro Sensei
  16. Beta Squad member

28 Clues: Ethan. • Has a trunk • sexiest man • Koro Sensei • and the beast • Flying mammal • ____ de ma vie • Large marsupial • MC in inside out • Man's best friend • A verb for depart • Beta Squad member • Lin Manuel Miranda • Likes to chase mice • Eminem’s latest song • not speaking properly • Japanese picture books • who is the stone hashira • charlotte's new dogs name • dirt and sand is apart of? • ...

nuclear 2023-03-08

nuclear crossword puzzle
Across
  1. previous
  2. the act of switching two things
  3. a range of levels or numbers used for measuring something
  4. in the background or the environment
  5. the title of a song by imagine dragons
  6. the amount of something
  7. broken down to distinct and equal amounts
  8. efficient in carrying out it’s designed
  9. consisting of organic compounds H,O,N,C
  10. reaction with oxygen
  11. not prone to failure
  12. the parts of something; the things listed in the periodic table
  13. 90’s element in the periodic table
Down
  1. officially stop using something
  2. not following what is done or considered normal or acceptable by most people
  3. between the starts
  4. obligate
  5. the information uncovered by an investigation
  6. to take out of something
  7. kind and gentle; not hurting anybody

20 Clues: previous • obligate • between the starts • reaction with oxygen • not prone to failure • the amount of something • to take out of something • officially stop using something • the act of switching two things • 90’s element in the periodic table • in the background or the environment • kind and gentle; not hurting anybody • the title of a song by imagine dragons • ...

Structure of an Atom 2023-02-15

Structure of an Atom crossword puzzle
Across
  1. C-element symbol
  2. bear one or more negative or positive electrical charges
  3. # that shows the number of protons
  4. Located in the nucleus with a positive charge
  5. This has a negative charge
  6. anything that has mass
  7. under element name on the periodic table
  8. H-element symbol
  9. negatively charged ion
  10. O-element symbol
Down
  1. consist of two protons and two neutrons tightly bound together
  2. atomic mass rounded
  3. Can find by subtracting the mass # and atomic #
  4. the Same amount of protons but a different # of neutrons
  5. occurring or smaller than an atom
  6. located in the atom where protons are found
  7. N-element symbol
  8. Smallest part of a substance
  9. first word for atom
  10. table of chemical elements
  11. B-element symbol

21 Clues: C-element symbol • N-element symbol • H-element symbol • B-element symbol • O-element symbol • atomic mass rounded • first word for atom • anything that has mass • negatively charged ion • This has a negative charge • table of chemical elements • Smallest part of a substance • occurring or smaller than an atom • # that shows the number of protons • under element name on the periodic table • ...

Periodtic Table Crossword - Tanya Herrera 2023-04-27

Periodtic Table Crossword - Tanya Herrera crossword puzzle
Across
  1. Cu
  2. Group 6, Period 4
  3. Og
  4. I am a column in the Periodic Table
  5. I have 69 protons
  6. I have 18 neutrons in group 18
  7. Ag
  8. Group 12 Period 4
  9. Au
  10. I have 42 protons
  11. You get my number by subtracting atomic mass from atomic number
  12. Group 17 Period 5
  13. I have the same meaning as electron
  14. Os
Down
  1. I have 20 neutrons in group 2
  2. I have 163 neutrons in group 7
  3. I have 28 neutrons in group 6
  4. I am a row in the Periodic Table
  5. Group 9 Period 4
  6. I have 25 protons
  7. I have 5 neutrons in group 2
  8. I have 1 proton
  9. s
  10. Group 8 Period 4
  11. I have 2 protons

25 Clues: s • Cu • Og • Ag • Au • Os • I have 1 proton • Group 9 Period 4 • Group 8 Period 4 • I have 2 protons • I have 25 protons • Group 6, Period 4 • I have 69 protons • Group 12 Period 4 • I have 42 protons • Group 17 Period 5 • I have 5 neutrons in group 2 • I have 20 neutrons in group 2 • I have 28 neutrons in group 6 • I have 163 neutrons in group 7 • I have 18 neutrons in group 18 • ...

Chemistry 2025-02-04

Chemistry crossword puzzle
Across
  1. poor conductors of electricity
  2. type of bond between hydrogen atoms
  3. positively charged particle in an atoms nucleus
  4. positively charged particle
  5. number of protons in an element
  6. chlorine is an example of this group 17
  7. charged particle
  8. vertical columns of the periodic table
  9. type of bond that gives or receives electrons
  10. good conductors of electricity
  11. neon is an example of this group 18
Down
  1. different forms of the same element with varying number of neutrons
  2. negatively charged particle on the outside of the nucleus
  3. type of bond that shares electrons
  4. silicon is an example of this category
  5. number of neutrons + protons
  6. the outermost electron
  7. negatively charged particle
  8. neutrally charged particle inside an atoms nucleus
  9. horizontal rows of the periodic table

20 Clues: charged particle • the outermost electron • positively charged particle • negatively charged particle • number of neutrons + protons • poor conductors of electricity • good conductors of electricity • number of protons in an element • type of bond that shares electrons • type of bond between hydrogen atoms • neon is an example of this group 18 • ...

Periodic Table Crossword 2025-04-30

Periodic Table Crossword crossword puzzle
Across
  1. element Au, used in jewelry
  2. element O, we need it to live
  3. grows your bones
  4. element Mg
  5. along the stair step line
  6. smallest particle of an element that retains the elements properties
  7. particles in the nucleus that with a positive charge of 1+
  8. columns on the periodic table that go up and down
  9. element He, used in balloons
Down
  1. right of stair step line (+hydrogen)
  2. commonly known as salt
  3. particles with a negative charge
  4. particles in the nucleus that are electrically neutral
  5. left of stair step line (except hydrogen)
  6. rows on the periodic table that stretch from left to right
  7. element Zn
  8. element Cu
  9. commonly found in bananas, The chemical symbol is K
  10. element Ag, used in jewelry
  11. commonly known as water

20 Clues: element Mg • element Zn • element Cu • grows your bones • commonly known as salt • commonly known as water • along the stair step line • element Au, used in jewelry • element Ag, used in jewelry • element He, used in balloons • element O, we need it to live • particles with a negative charge • right of stair step line (+hydrogen) • left of stair step line (except hydrogen) • ...

The Periodic Table 2025-07-25

The Periodic Table crossword puzzle
Across
  1. Iron
  2. horizontal rows of elements in the periodic table of chemical elements
  3. a single atom
  4. Period 2, Group 16
  5. the arrangement of elements into a table according to their chemical properties
  6. group of two or more atoms that are bonded together
  7. Period 1, Group 18
Down
  1. Period 1, Group 1
  2. pure substance made up of only one type of atom
  3. smallest particle of matter that cannot be created, destroyed or broken down
  4. long chain molecule made up of many simpler repeating units
  5. Period 2, Group 15
  6. Perion 4, Group 11
  7. vertical columns of elements in the periodic table of chemical elements
  8. Silicon
  9. Sodium
  10. a molecule that contain two or more different atoms bonded together
  11. Period 5, Group 7
  12. Aluminium
  13. Mercury

20 Clues: Iron • Sodium • Silicon • Mercury • Aluminium • a single atom • Period 1, Group 1 • Period 5, Group 7 • Period 2, Group 15 • Perion 4, Group 11 • Period 2, Group 16 • Period 1, Group 18 • pure substance made up of only one type of atom • group of two or more atoms that are bonded together • long chain molecule made up of many simpler repeating units • ...

Earth & Space PRD 11 2021-09-16

Earth & Space PRD 11 crossword puzzle
Across
  1. Number 2 on periodic table
  2. The best teacher ever
  3. Where the sun gets it's energy
  4. The E in E=mc2
Down
  1. The star collapse, dies and explodes at the moment you create ________ at the core
  2. What formed elements 1,2,3 (Hydrogen, helium and lithium)
  3. The M in E=mc2
  4. Number 5 on periodic table
  5. Number 1 on the periodic table

9 Clues: The M in E=mc2 • The E in E=mc2 • The best teacher ever • Number 2 on periodic table • Number 5 on periodic table • Number 1 on the periodic table • Where the sun gets it's energy • What formed elements 1,2,3 (Hydrogen, helium and lithium) • The star collapse, dies and explodes at the moment you create ________ at the core

Earth & Space PRD 11 2021-09-16

Earth & Space PRD 11 crossword puzzle
Across
  1. Number 2 on periodic table
  2. The best teacher ever
  3. Where the sun gets it's energy
  4. The E in E=mc2
Down
  1. The star collapse, dies and explodes at the moment you create ________ at the core
  2. What formed elements 1,2,3 (Hydrogen, helium and lithium)
  3. The M in E=mc2
  4. Number 5 on periodic table
  5. Number 1 on the periodic table

9 Clues: The M in E=mc2 • The E in E=mc2 • The best teacher ever • Number 2 on periodic table • Number 5 on periodic table • Number 1 on the periodic table • Where the sun gets it's energy • What formed elements 1,2,3 (Hydrogen, helium and lithium) • The star collapse, dies and explodes at the moment you create ________ at the core

Atoms and The Periodic Table 2020-12-14

Atoms and The Periodic Table crossword puzzle
Across
  1. named neutrons
  2. vertical columns of elements on the periodic table
  3. utilized gold foilexperiment involving alpha particles;theorized that atoms had a dense core which was a positive nucleus
  4. has a negative charge
  5. theorized that electrons were orbiting the nucleus
  6. used cathode ray to detect electrons and theorized that electrons were embedded in nuclei of atoms (chocolate chip model)
  7. theorized that atoms are too small to be seen with eye, are made up of only 1 kind of atom
Down
  1. initiated term “atoms” and stated that atoms could not be divided
  2. are generally located on the left side of the zigzag line
  3. has a positive charge
  4. horizontal rows on the periodic table
  5. has no charge
  6. are found along this zigzag line
  7. with the exception of Hydrogen (H), are located on the right side of the zigzag line on the periodic table

14 Clues: has no charge • named neutrons • has a positive charge • has a negative charge • are found along this zigzag line • horizontal rows on the periodic table • vertical columns of elements on the periodic table • theorized that electrons were orbiting the nucleus • are generally located on the left side of the zigzag line • ...

Chem Vocab 2023-09-13

Chem Vocab crossword puzzle
Across
  1. result in the formation of one or more new substances with new chemical and physical properties
  2. scale used to classify solutions
  3. The tendency of a substance to undergo chemical changes
  4. one or two letter abbreviation derived from the element's name.
  5. substance that increases the rate of a chemical reaction
  6. a quick reference for associating the name and symbol of an element.
  7. elements with similar properties found on the right side of the “staircase” on the periodic table
Down
  1. The ability of a material to conduct electricity or heat
  2. pH of more than 7
  3. constructed from the symbols of the elements composing the substance.
  4. change do not change the composition of a substance, only the physical properties
  5. ph of less than 7
  6. elements with similar properties that create a “staircase” on the periodic table
  7. elements with similar properties found on the left side of the “staircase” on the periodic table

14 Clues: pH of more than 7 • ph of less than 7 • scale used to classify solutions • The tendency of a substance to undergo chemical changes • The ability of a material to conduct electricity or heat • substance that increases the rate of a chemical reaction • one or two letter abbreviation derived from the element's name. • ...

Vocabulary For Science 2023-09-28

Vocabulary For Science crossword puzzle
Across
  1. scale used to classify solutions
  2. The ability of a material to conduct electricity or heat
  3. pH of more than 7
  4. Constructed from the symbols of the elements composing the substance
  5. substance that increases the rate of chemical change
  6. pH of less than 7
  7. ability to dissolve in a liquid
  8. One or two letter abbreviation derived from the elements name
Down
  1. A quick reference for associating the name of the symbol of an element
  2. elements with similar properties found on the left side of the "staircase" on the periodic table
  3. result is the formation of one or more new substances with new chemical and physical properties
  4. elements with similar properties that create a "staircase" on the periodic table
  5. The tendency of a substance to undergo chemical changes
  6. elements with similar properties found of the right side of the "staircase" on the periodic table

14 Clues: pH of more than 7 • pH of less than 7 • ability to dissolve in a liquid • scale used to classify solutions • substance that increases the rate of chemical change • The tendency of a substance to undergo chemical changes • The ability of a material to conduct electricity or heat • One or two letter abbreviation derived from the elements name • ...

Science Review Crossword 2026-03-05

Science Review Crossword crossword puzzle
Across
  1. the electrons in the outermost energy level of an atom
  2. the number of valence electrons in an atom of argon
  3. the number of valence electrons in an atom of sodium
  4. the name of the elements in group 18; they are nonreactive
  5. a chemical combination of two or more atoms
  6. found in the nucleus of an atom with a neutral charge
  7. found in the nucleus of an atom with a positive charge
  8. the number of valence electrons in an atom of oxygen
Down
  1. particles located outside the nucleus with a negative charge
  2. a substance made up of only one type of atom; found on the periodic table
  3. these are the horizontal rows on the periodic table
  4. these are the vertical columns on the periodic table
  5. the number of valence electrons in an atom of chlorine
  6. elements in the same group have similar ____ because they have the same number of valence electrons

14 Clues: a chemical combination of two or more atoms • the number of valence electrons in an atom of argon • these are the horizontal rows on the periodic table • the number of valence electrons in an atom of sodium • these are the vertical columns on the periodic table • the number of valence electrons in an atom of oxygen • ...

Crossword 2014-11-06

Crossword crossword puzzle
Across
  1. the smallest part of an element that is representative of the element
  2. change of state from solid to a gas
  3. metal dull,brittle element that does not conduct electricity
  4. change of state from a solid to a liquid
  5. characteristics that can be used to describe a substance
  6. formula combination of symbols that represent a compound
  7. metals group 1 element in the periodic table, not including hydrogen; most reactive of the metals
Down
  1. substance that helps a chemical reaction to proceed more quickly
  2. is anything has mass and occupies space
  3. reaction chemical reaction that absorbs energy
  4. group 17 elements in the periodic table; the most reactive non-metals
  5. table a table in which the elements are organized by their physical and chemical properties
  6. fourth state of matter

13 Clues: fourth state of matter • change of state from solid to a gas • is anything has mass and occupies space • change of state from a solid to a liquid • reaction chemical reaction that absorbs energy • characteristics that can be used to describe a substance • formula combination of symbols that represent a compound • ...

Atoms & Periodic Table Review Puzzle 2021-01-04

Atoms & Periodic Table Review Puzzle crossword puzzle
Across
  1. These are good conductors of heat and electricity. They also have luster and a high density
  2. atomic number six on the periodic table
  3. the chart where all the types of atoms are listed
  4. a small particle in the nucleus of the atom, with no electrical charge
  5. A _______________ is a vertical column on The periodic Table of the Elements
  6. Electron’s in the outer most shell.
Down
  1. Metals are considered this if they can be made into sheets
  2. anything that takes up space
  3. the smallest piece of matter
  4. Metals are considered this if they can be made into wire
  5. A _______________ is a horizontal row on The Periodic Table of the Elements
  6. The positively charged dense center of an atom.
  7. These have properties of both metals and

13 Clues: anything that takes up space • the smallest piece of matter • Electron’s in the outer most shell. • atomic number six on the periodic table • These have properties of both metals and • The positively charged dense center of an atom. • the chart where all the types of atoms are listed • Metals are considered this if they can be made into wire • ...

Periodic Table 2025-01-16

Periodic Table crossword puzzle
Across
  1. The first group is known as the __________ metals
  2. Dmitri Mendelev organised his table into ______ and columns
  3. Each row on the periodic table is called a _______
  4. The element with atomic number 92
  5. Each column on the periodic table is called a __________
  6. Each period corresponds to the number of electron _______ the element has
Down
  1. Elements on the left hand side of the table are _________
  2. The last group on the periodic table is the ________ or inert gases
  3. This element has an atomic weight of one
  4. The atomic number is equal to the number of ________ in the nucleus
  5. The outer electron shells of the inert gases are ________
  6. The groups reflect the number of electrons in the _______ or outer electron shell
  7. Dmitri Mendelev left ________ for as yet undiscovered elements

13 Clues: The element with atomic number 92 • This element has an atomic weight of one • The first group is known as the __________ metals • Each row on the periodic table is called a _______ • Each column on the periodic table is called a __________ • Elements on the left hand side of the table are _________ • The outer electron shells of the inert gases are ________ • ...

Science 2022-07-18

Science crossword puzzle
Across
  1. Green pigment.
  2. Only made up of one type of atom.
  3. One of the products with oxygen.
  4. Horizontal line on a periodic table.
  5. Made up of two or more types of atom.
  6. A group of two or more atoms joined together.
  7. Smallest part of an element.
Down
  1. Gas needed for photosynthesis.
  2. Vertical line on a periodic table.
  3. Gas produced from photosynthesis.
  4. Chemical reaction in plants.
  5. Taken in by plant with CO2.
  6. Absorbs light energy.
  7. Used to make steel.

14 Clues: Green pigment. • Used to make steel. • Absorbs light energy. • Taken in by plant with CO2. • Chemical reaction in plants. • Smallest part of an element. • Gas needed for photosynthesis. • One of the products with oxygen. • Gas produced from photosynthesis. • Only made up of one type of atom. • Vertical line on a periodic table. • Horizontal line on a periodic table. • ...

The Periodic Table of Elements and Atomic Structure 2023-02-02

The Periodic Table of Elements and Atomic Structure crossword puzzle
Across
  1. the smallest piece of matter that still retains the property of an element
  2. the number of protons in an atom
  3. a small, positively charged center of the atom where protons and neutrons are found
  4. the elements arranged by the increasing atomic number and changes in physical and chemical properties
  5. an artificially made metal with the chemical symbol Pm
  6. particle with an electrical charge of 1+
  7. the area around the nucleus of an atom where its electrons are most likely found
  8. horizontal row of elements on the periodic table
  9. a gas commonly used in ballons
Down
  1. uses the symbol of the element and dots to represent the electrons in the outer energy level
  2. the weighted mass of the element's mixture of its isotopes
  3. an element with the chemical symbol K that is in the 4th row of the periodic table
  4. smaller particles that make up neutrons and protons
  5. particle with an electrical charge of 1-
  6. a Russian chemist who searched for a way to organize the elements, creating the periodic table
  7. particle that does not have an electrical charge
  8. atom of the same element that has a different number of neutrons
  9. metal with an atomic weight of 65.38

18 Clues: a gas commonly used in ballons • the number of protons in an atom • metal with an atomic weight of 65.38 • particle with an electrical charge of 1- • particle with an electrical charge of 1+ • particle that does not have an electrical charge • horizontal row of elements on the periodic table • smaller particles that make up neutrons and protons • ...

Periodic Table Trends 2023-04-06

Periodic Table Trends crossword puzzle
Across
  1. neutral charged particle
  2. columns on a periodic table
  3. the ability to attract electrons
  4. The weight of protons and neutrons combined is its atomic ____
  5. electrons located on outermost shell are called
  6. Same element, different number of neutrons
Down
  1. The size of an element is founds using the atomic _____
  2. Atomic _______ is the amount of protons in an element
  3. positively charged particle
  4. rows on a periodic table
  5. good insulators
  6. negatively charged particle
  7. good conductors
  8. Same element, different charge

14 Clues: good insulators • good conductors • neutral charged particle • rows on a periodic table • columns on a periodic table • positively charged particle • negatively charged particle • Same element, different charge • the ability to attract electrons • Same element, different number of neutrons • electrons located on outermost shell are called • ...

Chemistry Crossword - Caroline Fenlaw 2021-12-08

Chemistry Crossword - Caroline Fenlaw crossword puzzle
Across
  1. same _____, same number of valence electrons
  2. has a neutral/no charge
  3. the space around the nucleus where electrons orbit
  4. same group, same _________
  5. horizontal rows on the periodic table
  6. valence electrons determine an atom's ______
  7. vertical columns on the periodic table
Down
  1. the electrons on the outermost energy level of an atom
  2. protons determine an atom's ______
  3. atomic mass = atomic#/protons + neutrons
  4. has a positive charge
  5. a pure substance whose atoms are all the same
  6. atomic# = #ofprotons = #ofelectrons
  7. has a negative charge

14 Clues: has a positive charge • has a negative charge • has a neutral/no charge • same group, same _________ • protons determine an atom's ______ • atomic# = #ofprotons = #ofelectrons • horizontal rows on the periodic table • vertical columns on the periodic table • atomic mass = atomic#/protons + neutrons • same _____, same number of valence electrons • ...

FORM 3 CHEMISTRY 2021-06-04

FORM 3 CHEMISTRY crossword puzzle
Across
  1. gives the number of each element in a molecule
  2. same atomic number but different mass number
  3. more protons than electrons
  4. no change in charge or state
  5. also called nucleon number
  6. vertical column in the periodic table
  7. electrons in this shell give the group number
  8. horizontal row in the periodic table
Down
  1. more electrons than protons
  2. the top right corner of the chemical symbol
  3. diamond and graphite
  4. soluble in water
  5. covalent compounds are soluble in ______ solvents
  6. sharing of electrons

14 Clues: soluble in water • diamond and graphite • sharing of electrons • also called nucleon number • more electrons than protons • more protons than electrons • no change in charge or state • horizontal row in the periodic table • vertical column in the periodic table • the top right corner of the chemical symbol • same atomic number but different mass number • ...

Atomic Structure Topic Key Words 2025-12-02

Atomic Structure Topic Key Words crossword puzzle
Across
  1. The rows that make up the periodic table.
  2. equation A way of describing what happens in a chemical reaction by showing the chemical formulae of reactants and products. Must be balanced.
  3. solutions The mixture made by adding a soluble substance to water.
  4. Substance(s) made as a result of a chemical reaction.
  5. symbols The abbreviations used in balanced symbol equations to show if reactants and products are solid (s), liquid (l), gas (g) or aqueous/dissolved in water (aq).
  6. When some elements and/or compounds are mixed together but do not react. They are physically combined.
  7. A substance made when two or more elements are chemically bonded together.
  8. number The number of protons in an atom (which is equal to the number of electrons). Sometimes called the proton number.
  9. Atoms that have the same number of protons but different numbers of neutrons.
  10. The smallest part of an element that can still be recognised as that element.
  11. Subatomic particle with a relative charge of +1 and a relative mass of 1. Found in the nucleus.
  12. A charged particle produced by the loss or gain of electrons.
  13. The very small and dense central part of an atom that contains protons and neutrons.
  14. indicator A mixture of indicators that can change through a range of colours to show how strongly acidic or alkaline liquids and solutions are.
  15. Elements in group 7 of the periodic table.
  16. A substance made up of only one type of atom. An element cannot be broken down chemically into any simpler substance.
Down
  1. The columns that make up the periodic table (labelled 1-7 and 0).
  2. number The number of protons + neutrons in the nucleus of an atom.
  3. equation A way of describing what happens in a chemical reaction by showing the names of all reactants and the products they form.
  4. metals Elements in group 1 of the periodic table.
  5. Subatomic particle with a relative charge of 0 and a relative mass of 1. Found in the nucleus.
  6. table An arrangement of elements in the order of their atomic number, forming groups and periods.
  7. configuration A set of numbers to show the arrangement of electrons in their shells.
  8. Substance(s) we start with before a chemical reaction takes place.
  9. gases The very unreactive gases found in group 0 of the periodic table. Their atoms have very stable electronic structures.
  10. Subatomic particle with a relative charge of -1 and very little mass. Found in shells around the nucleus.
  11. of conservation of mass The total mass of the products formed in a reaction is equal to the total mass of the reactants.
  12. equation A requirement for a symbol equation – the same number of atoms of each element on either side of the equation.

28 Clues: The rows that make up the periodic table. • Elements in group 7 of the periodic table. • metals Elements in group 1 of the periodic table. • Substance(s) made as a result of a chemical reaction. • A charged particle produced by the loss or gain of electrons. • The columns that make up the periodic table (labelled 1-7 and 0). • ...

periodic table terms 2024-09-15

periodic table terms crossword puzzle
Across
  1. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  2. the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.
  3. reactive nonmetallic elements that form strongly acidic compounds with hydrogen from which simple salts can be made.
  4. any of the six chemical elements that comprise Group 2 of the periodic table.
  5. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  6. any of the gaseous elements occupying Group 0 of the periodic table.
  7. each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei
  8. All elements in a ______ have the same number of electron shells.
  9. each of the actual or potential patterns of electron density that may be formed in an atom or molecule by one or more electrons, and that can be represented as a wave function.
  10. the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons
  11. the fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have.
  12. any of the set of metallic elements occupying a central block in the periodic table
  13. the structure in a cell that contains the chromosomes
Down
  1. a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure
  2. a chemical element that mostly lacks distinctive metallic properties
  3. a chemical substance that cannot be broken down into other substances by chemical reactions.
  4. a solid material that is typically hard, shiny, malleable
  5. the total number of protons and neutrons in a nucleus.
  6. the basic unit of a chemical element.
  7. an element whose properties are intermediate between those of metals and solid nonmetals or semiconductors.
  8. an uncharged atomic particle that has a mass nearly equal to that of the proton
  9. any of the elements occupying Group IA of the periodic table
  10. the association of atoms or ions to form molecules, crystals, and other structures.
  11. The vertical columns on the periodic table
  12. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
  13. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
  14. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  15. In a _____, the chemical elements have atoms with identical valence electron
  16. the state or power of being reactive or the degree to which a thing is reactive.
  17. a positively charged ion

30 Clues: a positively charged ion • the basic unit of a chemical element. • The vertical columns on the periodic table • the structure in a cell that contains the chromosomes • the total number of protons and neutrons in a nucleus. • a solid material that is typically hard, shiny, malleable • any of the elements occupying Group IA of the periodic table • ...

Properties of Elements Vocabulary 2023-03-16

Properties of Elements Vocabulary crossword puzzle
Across
  1. Can be found by subtracting the atomic number and atomic mass.
  2. Tells you how many protons are in the nucleus of an atom.
  3. Reflective solids at room temperature.
  4. Holds the protons and neutrons in the center of an atom.
  5. Can be found in the nucleus with a positive charge.
  6. The vertical columns on the periodic table of elements.
  7. The smallest particle of an element that still has the properties of that element.
Down
  1. A subatomic particle with a negative charge in an atom.
  2. A letter that represents an element.
  3. Elements between metals and non-metals on the periodic table.
  4. Represents the number of protons and neutrons in the nucleus of an atom.
  5. Made of only one type of atom.
  6. The horizontal rows on the periodic table of elements.

13 Clues: Made of only one type of atom. • A letter that represents an element. • Reflective solids at room temperature. • Can be found in the nucleus with a positive charge. • The horizontal rows on the periodic table of elements. • A subatomic particle with a negative charge in an atom. • The vertical columns on the periodic table of elements. • ...

chapter 16.2 2022-02-15

chapter 16.2 crossword puzzle
Across
  1. number the sum of the protons and the neutrons in the element
  2. table the elements are arranged by increasing atomic number and by changes in physical and chemical properties
  3. the vertical columns in the periodic table
  4. cloud area around the nucleus of an atom where its electrons are most likely found
  5. small positively charged center of the atom. contains the protons and neutrons
  6. protons and neutrons are made of even smaller particles called
  7. dot diagram uses the symbol of the element and dots to represent the electrons in the outer energy level
Down
  1. atomic mass the weighted-average mass of the mixture of its isotopes
  2. number the number of protons in the element
  3. the smallest piece of matter that still retains the properties of the element
  4. particles with a positive 1 charge
  5. particles with a negative 1 charge
  6. atoms of the same element that have different numbers of neutrons. (different mass numbers)
  7. neutral particles that have 0 charge
  8. the horizontal rows in the periodic table

15 Clues: particles with a positive 1 charge • particles with a negative 1 charge • neutral particles that have 0 charge • the horizontal rows in the periodic table • the vertical columns in the periodic table • number the number of protons in the element • number the sum of the protons and the neutrons in the element • ...

science vocab 2025-10-24

science vocab crossword puzzle
Across
  1. The center of an atom
  2. Number of protons/number of electrons in the atom
  3. a substance made of just one type of atom which cannot be broken down or changed into another substance.
  4. Number of protons + neutrons found in the nucleus
  5. Negatively charged particles found in the electron shells AROUND the nucleus
  6. A visual representation of all elements found/made on Earth developed by Dmitri Mendeleev
  7. letter/s that represent an atom on the Periodic Table
Down
  1. Neutral charged particle found in the nucleus
  2. The name of the element found on the Periodic Table
  3. Charged particles in the last/outermost shell. This allows for atoms to combine to form molecules.
  4. Atoms in combination
  5. Positively charged particle found in the nucleus
  6. Smallest whole unit of matter

13 Clues: Atoms in combination • The center of an atom • Smallest whole unit of matter • Neutral charged particle found in the nucleus • Positively charged particle found in the nucleus • Number of protons/number of electrons in the atom • Number of protons + neutrons found in the nucleus • The name of the element found on the Periodic Table • ...

SNC Chemistry Crossword 2023-05-09

SNC Chemistry Crossword crossword puzzle
Across
  1. Group of one
  2. a variable that you control
  3. the study of matter
  4. Property that describes the ability of a substance to change into a new substance
  5. orbits around the nucleus
  6. has a positive charge and is located in the nucleus
  7. property that describes the physical appearance
  8. measurements using numbers
  9. an educated guess
  10. how the lab is performed
Down
  1. anything that has mass and takes up space
  2. located Group 18, period 1
  3. a variable that changes
  4. component of matter that can be further divided into element and compound
  5. ability to dissolve in a liquid
  6. measurement using 5 senses
  7. vertical columns on a periodic table
  8. horizontal rows on a periodic table

18 Clues: Group of one • an educated guess • the study of matter • a variable that changes • how the lab is performed • orbits around the nucleus • located Group 18, period 1 • measurement using 5 senses • measurements using numbers • a variable that you control • ability to dissolve in a liquid • horizontal rows on a periodic table • vertical columns on a periodic table • ...

crossed word 2 2025-02-13

crossed word 2 crossword puzzle
Across
  1. highest grossing movie of all time
  2. sport that appears in all wii sports games
  3. "___ Movie" 2000 horror movie spoof
  4. horse shaped piece in chess
  5. "billboard
  6. #74 on the periodic table
  7. oscar nominated south park movie song 2 words
  8. stephen kings first book
  9. lightest metal on the periodic table
Down
  1. Song by Gorillaz and star of ----- 2 words
  2. taco _______
  3. jack black role in video game adaptation movie
  4. death by accident, in war, or from disease.
  5. 1965 italian western "For a Few _______ More"
  6. popular dice and cup game
  7. Detroit nfl team
  8. "charlie and the chocolate factory character" 2 words
  9. 1992 western starring which won the Oscars for Best Picture

18 Clues: "billboard • taco _______ • Detroit nfl team • stephen kings first book • popular dice and cup game • #74 on the periodic table • horse shaped piece in chess • highest grossing movie of all time • "___ Movie" 2000 horror movie spoof • lightest metal on the periodic table • Song by Gorillaz and star of ----- 2 words • sport that appears in all wii sports games • ...

PERIODIC TABLE REVISION 2025-10-30

PERIODIC TABLE REVISION crossword puzzle
Across
  1. The symbol for argon (lower case letters).
  2. Element in group and a metal.
  3. Metal number 82.
  4. Element with symbol Na.
  5. Copper conducts electricity as a ______.
  6. ____ are on the left of the Periodic Table.
  7. The symbol for magnesium (lower case letters).
  8. Scientist ______ Urey discovered heavy hydrogen.(Google).
  9. Fritz ______ synthesized ammonia. (Google)
  10. Element number 52.
  11. This is the symbol for osmium.
Down
  1. A commonly used metal mined fro its ore (V)
  2. The vertical columns are called _____
  3. The elements are ordered according to their ____
  4. Dmitri _____ organised the Periodic Table together.
  5. Neutral atoms have the same amount of protons and ______.
  6. Mercury is a _____ metal element.
  7. One of the noble gases.

18 Clues: Metal number 82. • Element number 52. • Element with symbol Na. • One of the noble gases. • Element in group and a metal. • This is the symbol for osmium. • Mercury is a _____ metal element. • The vertical columns are called _____ • Copper conducts electricity as a ______. • The symbol for argon (lower case letters). • Fritz ______ synthesized ammonia. (Google) • ...

Chem Vocab Day 2 2022-06-14

Chem Vocab Day 2 crossword puzzle
Across
  1. the number of protons in an atom's nucleus
  2. measure of an atom's size, nucleus to outer shell
  3. gains electrons, conducts poorly
  4. has properties of both metals and nonmetals
  5. type of electron found on outer shell
  6. manmade elements
Down
  1. the weight of an atom (has a decimal)
  2. attraction for another atom's electrons
  3. column on periodic table
  4. a diagram showing only valence electrons
  5. loses electrons, conducts well
  6. energy to form ions
  7. 7 elements, only bond with themselves
  8. row on periodic table

14 Clues: manmade elements • energy to form ions • row on periodic table • column on periodic table • loses electrons, conducts well • gains electrons, conducts poorly • the weight of an atom (has a decimal) • 7 elements, only bond with themselves • type of electron found on outer shell • attraction for another atom's electrons • a diagram showing only valence electrons • ...

chemistryy 2025-11-12

chemistryy crossword puzzle
Across
  1. metal+metal
  2. neutrally charged particle
  3. a column in the periodic table
  4. non metal+metal
  5. when an element loses an electron it forms a __ ion
  6. element loses electron it forms a __ ion
  7. where are the protons and the neutrons stored
  8. full inner shells have this effect on the nucleus
Down
  1. negatively charged particle
  2. non metal+metal
  3. giant ionic__
  4. positively charged particle
  5. Mendeleev left these
  6. a row in the periodic table
  7. how many carbon atoms is each bonded to in diamond

15 Clues: metal+metal • giant ionic__ • non metal+metal • non metal+metal • Mendeleev left these • neutrally charged particle • negatively charged particle • positively charged particle • a row in the periodic table • a column in the periodic table • element loses electron it forms a __ ion • where are the protons and the neutrons stored • full inner shells have this effect on the nucleus • ...

Basic Chemistry Puzzle 2020-09-12

Basic Chemistry Puzzle crossword puzzle
Across
  1. .......... rows in the periodic table are Periods.
  2. Two adjacent H2O (water) molecules can form a linkage known as a ....... bond when they polarize.
  3. ........elements included the elements of group 1 and group 2 of the periodic table.
  4. K is the chemical symbol of .....
  5. In Periodic table vertical columns are called ......
Down
  1. .......is present in lemon.
  2. .....salt is Calcium sulphate.
  3. Unreactive non-metals are .......
  4. have a pH level below 7.
  5. is the fourth most abundant element in the universe in terms of mass.

10 Clues: have a pH level below 7. • .......is present in lemon. • .....salt is Calcium sulphate. • Unreactive non-metals are ....... • K is the chemical symbol of ..... • .......... rows in the periodic table are Periods. • In Periodic table vertical columns are called ...... • is the fourth most abundant element in the universe in terms of mass. • ...

Science 2023-03-06

Science crossword puzzle
Across
  1. Represented by the abbreviation O.
  2. 1 or 2 letter abbreviation for the element.
  3. What element has the atomic mass of 30.974?
  4. Who discovered a set of patterns that applies to all the elements?
  5. Chart showing all of the elements arranged according to their properties.
Down
  1. Mendeleev created the first periodic table.
  2. Color coded regions on the periodic table represent different classes of _______.
  3. Modern periodic tables are arranged in order of increasing ________.
  4. To show what something means.
  5. Number of isotopes in an element.

10 Clues: To show what something means. • Number of isotopes in an element. • Represented by the abbreviation O. • Mendeleev created the first periodic table. • 1 or 2 letter abbreviation for the element. • What element has the atomic mass of 30.974? • Who discovered a set of patterns that applies to all the elements? • ...

Up Time 2023-09-21

Up Time crossword puzzle
Across
  1. Columns on the periodic table
  2. A table holding the chemical elements organized by atomic number
  3. The Center of an atom
  4. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  5. The Basic Unit of a chemical element
Down
  1. The electrons on the outermost energy level
  2. Rows on the Periodic Table
  3. Positive Charged subatomic particle
  4. Negative Charged Subatomic Particle
  5. A substance that cannot be broken down into simpler substances by chemical means.

10 Clues: The Center of an atom • Rows on the Periodic Table • Columns on the periodic table • Positive Charged subatomic particle • Negative Charged Subatomic Particle • The Basic Unit of a chemical element • The electrons on the outermost energy level • A table holding the chemical elements organized by atomic number • ...

Periodic Table of the Elements 2024-06-02

Periodic Table of the Elements crossword puzzle
Across
  1. this element is what we need to breathe in
  2. this organisation is responsible for naming elements
  3. these gases are in Group 8 and include Xenon and Argon
  4. is a stinky element
  5. this is the number of periods on the periodic table
Down
  1. these metals sit in the middle of the periodic table
  2. this alkali metal has the symbol 'K'
  3. this element is number one
  4. the rows in the periodic table are called this
  5. this element was named after the village Ytterby in Sweden

10 Clues: is a stinky element • this element is number one • this alkali metal has the symbol 'K' • this element is what we need to breathe in • the rows in the periodic table are called this • this is the number of periods on the periodic table • these metals sit in the middle of the periodic table • this organisation is responsible for naming elements • ...

Matter, atoms and elements 2024-08-28

Matter, atoms and elements crossword puzzle
Across
  1. a substance that is made of two or more elements
  2. elements on the left side of the periodic table
  3. the ratio between mass and volume
  4. a mixture where the components cannot be seen
  5. the study of matter and the changes it undergoes
  6. anything that has mass and occupies volume
Down
  1. a mixture where the components can be seen
  2. horizontal row in the periodic table
  3. vertical column in the periodic table
  4. a type of change in the chemical composition that creates a new substance

10 Clues: the ratio between mass and volume • horizontal row in the periodic table • vertical column in the periodic table • a mixture where the components can be seen • anything that has mass and occupies volume • a mixture where the components cannot be seen • elements on the left side of the periodic table • a substance that is made of two or more elements • ...

Year 7 Periodic Table 2025-03-04

Year 7 Periodic Table crossword puzzle
Across
  1. Columns on the periodic table are called...
  2. Group 1 metals are also known as the _______ metals
  3. Only one type of atom.
  4. Rows on the periodic table are called...
Down
  1. When cooled down, a gas will ______ into a liquid.
  2. Group 7 metals are also known as the _________.
  3. What state are most metals?
  4. This type of element are found on the left side of the periodic table.
  5. Group 8 metals are also known as the _________.
  6. The process of melting is changing from a solid to a ______.

10 Clues: Only one type of atom. • What state are most metals? • Rows on the periodic table are called... • Columns on the periodic table are called... • Group 7 metals are also known as the _________. • Group 8 metals are also known as the _________. • When cooled down, a gas will ______ into a liquid. • Group 1 metals are also known as the _______ metals • ...

Periodic Table Trends 2025-12-16

Periodic Table Trends crossword puzzle
Across
  1. Reduction of nuclear pull on outer electrons by inner electrons
  2. Ability of an atom to attract electrons in a bond
  3. Similar property changes within a vertical column
  4. Pattern of properties across the periodic table
  5. Energy needed to remove an electron from an atom
Down
  1. How easily an element participates in chemical reactions
  2. Electrons in the outermost energy level
  3. Horizontal arrangement of elements on the periodic table
  4. Size of an atom measured from nucleus to outer electrons
  5. Vertical arrangement of elements on the periodic table

10 Clues: Electrons in the outermost energy level • Pattern of properties across the periodic table • Energy needed to remove an electron from an atom • Ability of an atom to attract electrons in a bond • Similar property changes within a vertical column • Vertical arrangement of elements on the periodic table • How easily an element participates in chemical reactions • ...

periodic table 2024-08-26

periodic table crossword puzzle
Across
  1. H
  2. each numbered row
  3. Na
  4. number of periods in the periodic table
Down
  1. o
  2. collum
  3. He
  4. group 2 period 4
  5. number of groups in the periodic table

9 Clues: o • H • He • Na • collum • group 2 period 4 • each numbered row • number of groups in the periodic table • number of periods in the periodic table

Chemistry Vocabulary 2020-10-06

Chemistry Vocabulary crossword puzzle
Across
  1. The smallest unit of matter
  2. Group 1 in the periodic table
  3. A row in the periodic table
  4. Has a neutral charge and a mass greater then a proton
  5. Atoms that have the same number of protons
  6. Located above the element symbol
  7. The amount of matter in an object
Down
  1. Group 2 in the periodic table
  2. Atom or molecule that has a different number of protons than electrons
  3. nonmetal that easily combines with other metals often from group 1

10 Clues: The smallest unit of matter • A row in the periodic table • Group 2 in the periodic table • Group 1 in the periodic table • Located above the element symbol • The amount of matter in an object • Atoms that have the same number of protons • Has a neutral charge and a mass greater then a proton • nonmetal that easily combines with other metals often from group 1 • ...

Chemistry Vocabulary 2020-10-06

Chemistry Vocabulary crossword puzzle
Across
  1. The smallest unit of matter
  2. Group 1 in the periodic table
  3. A row in the periodic table
  4. Has a neutral charge and a mass greater then a proton
  5. Atoms that have the same number of protons
  6. Located above the element symbol
  7. The amount of matter in an object
Down
  1. Group 2 in the periodic table
  2. Atom or molecule that has a different number of protons than electrons
  3. nonmetal that easily combines with other metals often from group 1

10 Clues: The smallest unit of matter • A row in the periodic table • Group 2 in the periodic table • Group 1 in the periodic table • Located above the element symbol • The amount of matter in an object • Atoms that have the same number of protons • Has a neutral charge and a mass greater then a proton • nonmetal that easily combines with other metals often from group 1 • ...

Atoms Joining Together 2021-04-17

Atoms Joining Together crossword puzzle
Across
  1. metals tend to do this with electrons
  2. Li and F bond together because they are a
  3. area on periodic table where non-metals are
  4. charge a metal ion has when it becomes an ion
Down
  1. on periodic table between metals & non-metals
  2. charge non-metal has when it becomes an ion
  3. type of compound formed between metal & non-metal
  4. area on periodic table where metals are
  5. 2 or more atoms bonded together
  6. non-metals tend to do this with electrons

10 Clues: 2 or more atoms bonded together • metals tend to do this with electrons • area on periodic table where metals are • Li and F bond together because they are a • non-metals tend to do this with electrons • charge non-metal has when it becomes an ion • area on periodic table where non-metals are • on periodic table between metals & non-metals • ...

Periodic Table 2025-01-13

Periodic Table crossword puzzle
Across
  1. A tool used world wide to categorize elements.
  2. The mass of particles of matter in an atom.
  3. Elements organized into columns.
  4. one or two letters representing an element.
  5. the title of an element, lists its name.
  6. Russian scientist who realized and organized elements by a set of patterns.
  7. "in regular, repeated pattern."
Down
  1. a row of elements across the periodic table.
  2. The number of protons in the nucleus of an atom.
  3. a substance made of one type of atom.

10 Clues: "in regular, repeated pattern." • Elements organized into columns. • a substance made of one type of atom. • the title of an element, lists its name. • The mass of particles of matter in an atom. • one or two letters representing an element. • a row of elements across the periodic table. • A tool used world wide to categorize elements. • ...

The periodic table 2020-10-09

The periodic table crossword puzzle
Across
  1. The name of a non-metal element which is a liquid at room temperature and pressure.
  2. The block of metals which is between groups 2 and 3 (2 words 10,6).
  3. The only metallic element which is a liquid at room temperature and pressure.
  4. The name given to the horizontal rows on the periodic table.
  5. The name of the group 1 metals (2 words 6,6).
Down
  1. This metallic element burns with a lilac flame.
  2. This element makes up 21% of the air we breathe.
  3. The name given to the vertical columns on the periodic table.
  4. The number of elements in period 2.
  5. The name of the elements in group 7.
  6. The element in period 3, group 3.
  7. The element in period 2, group 5.
  8. The name of the group of inert gases in group 0/8 (2 words 5,5).
  9. The number of elements in period 1.
  10. How are elements are listed on the periodic table? (2 words 6,6)

15 Clues: The element in period 3, group 3. • The element in period 2, group 5. • The number of elements in period 2. • The number of elements in period 1. • The name of the elements in group 7. • The name of the group 1 metals (2 words 6,6). • This metallic element burns with a lilac flame. • This element makes up 21% of the air we breathe. • ...

The Periodic Table 2025-11-17

The Periodic Table crossword puzzle
Across
  1. is an element that is generally a poor conductor of heat and electricity
  2. made to Mendeleev
  3. is an element that is a good conductor of heat and electricity
  4. table is a way of arranging the elements in order of their Atomic numbers so that elements with simular propertis appear in the same vertical column and group
  5. is called a negative ion
  6. Russian table maker
  7. is called a positive ion
Down
  1. are called the elements in group 17
  2. are the same 14 elements from thorium Atomic mas 90 to lawrencium Atomic number 103
  3. part metal & part non-metal
  4. is a measuare of the ability of an atom to attract shared electrons when the atomis a part of compound
  5. is an atom or group of bonded atoms that has a positive or negative charge
  6. is a horizontal row of the periodic table
  7. is a vertical column of the periodic table
  8. are the 14 elements from cerium Atomic number 58 to lutetium Atomic number 71

15 Clues: made to Mendeleev • Russian table maker • is called a negative ion • is called a positive ion • part metal & part non-metal • are called the elements in group 17 • is a horizontal row of the periodic table • is a vertical column of the periodic table • is an element that is a good conductor of heat and electricity • ...

Chapter 9 Crossword: 2019-09-10

Chapter 9 Crossword: crossword puzzle
Across
  1. calcium and magnesium are apart of what family.
  2. much larger and heavier than electrons.
  3. of the possible energies an election may have in an atom.
  4. what is the last name of the man who invented the periodic table.
  5. there are how many periods on the periodic table.
Down
  1. equal to the number of protons plus neutrons.
  2. the average mass of the naturally occurring isotopes of an element.
  3. very light particles.
  4. large and heavy like protons.
  5. there are how many groups on the periodic table.

10 Clues: very light particles. • large and heavy like protons. • much larger and heavier than electrons. • equal to the number of protons plus neutrons. • calcium and magnesium are apart of what family. • there are how many groups on the periodic table. • there are how many periods on the periodic table. • of the possible energies an election may have in an atom. • ...