periodic+table Crossword Puzzles

Periodic Table 2019-09-24

Periodic Table crossword puzzle
Across
  1. Has 6 protons and is a non-metal
  2. Is a metal with atomic number 42
  3. Has an atomic number of 19 and is a metal
  4. Is a metalloid and has atomic number 32
Down
  1. Has an atomic number of 1 and is a non-metal
  2. Is a metalloid and has 51 protons
  3. Is a metal with 109 protons
  4. Is a nonmetal with atomic number 16
  5. Has 5 protons and is a metalloid

9 Clues: Is a metal with 109 protons • Has 6 protons and is a non-metal • Is a metal with atomic number 42 • Has 5 protons and is a metalloid • Is a metalloid and has 51 protons • Is a nonmetal with atomic number 16 • Is a metalloid and has atomic number 32 • Has an atomic number of 19 and is a metal • Has an atomic number of 1 and is a non-metal

Periodic Table 2019-09-02

Periodic Table crossword puzzle
Across
  1. Number Number of protons or electrons present in an atom.
  2. Electrons Number of electrons donated or received by an atom to form stable configuration are known as Valence electrons.
  3. A substance made up of more than one type of atoms in a definite proportion.
  4. Table The table in which elements are arranged according to atomic number in different groups & periods.
  5. A substance made up of one type of atom.
Down
  1. a positively charged particle.
  2. A negatively charged particle.
  3. A neutral particle .
  4. A substance made up of more than one elements or compounds in an indefinite proportion.

9 Clues: A neutral particle . • a positively charged particle. • A negatively charged particle. • A substance made up of one type of atom. • Number Number of protons or electrons present in an atom. • A substance made up of more than one type of atoms in a definite proportion. • A substance made up of more than one elements or compounds in an indefinite proportion. • ...

Periodic table 2016-03-10

Periodic table crossword puzzle
Across
  1. ajdafjdadjfd
  2. andnadfnd
  3. anjdjadjdfj
  4. ajdafdjadfjadjf
  5. ajdafdjafdjad
Down
  1. ahdfhadfhdafdah
  2. ajdjadjfadj
  3. adafjdadjfadjfa
  4. ajdajfdjd

9 Clues: andnadfnd • ajdajfdjd • ajdjadjfadj • anjdjadjdfj • ajdafjdadjfd • ajdafdjafdjad • ahdfhadfhdafdah • adafjdadjfadjfa • ajdafdjadfjadjf

Periodic Table 2023-04-25

Periodic Table crossword puzzle
Across
  1. An element whose properties are intermediate between those of metals and solid nonmetals or semiconductors
  2. The only periodic table group that contains elements in all three familiar states of matter at standard temperature and pressure
  3. Natural materials that do not produce heat or electricity and that are structurally brittle
  4. Ductile and malleable, but they do not have different oxidation states since their valence electrons are only in the outer shell
  5. All are radioactive and the heavier members are extremely unstable and not of natural occurrence
Down
  1. Under standard conditions they are all odorless, colorless, monoatomic gases with very low chemical reactivity
  2. Shiny, silver-colored transition metals
  3. Very reactive, electropositive, monovalent metals
  4. Many of their compounds are colored

9 Clues: Many of their compounds are colored • Shiny, silver-colored transition metals • Very reactive, electropositive, monovalent metals • Natural materials that do not produce heat or electricity and that are structurally brittle • All are radioactive and the heavier members are extremely unstable and not of natural occurrence • ...

Periodic Table 2023-04-10

Periodic Table crossword puzzle
Across
  1. earth metal an element in column 2
  2. A column of elements:also called a group
  3. Mass The elements are arranged by their
  4. Created the first version of the modern periodic table
  5. Transition Metal Any metal in lanthanide or actinide series
  6. Any of the elements with atomic numbers 90 to 103. most are radioactive
Down
  1. Any of the elements with atomic numbers 58 to 71
  2. metal an element other than hydrogen in column 1
  3. An element in column 17;very reactive
  4. A row of elements in periodic table

10 Clues: earth metal an element in column 2 • A row of elements in periodic table • An element in column 17;very reactive • Mass The elements are arranged by their • A column of elements:also called a group • Any of the elements with atomic numbers 58 to 71 • metal an element other than hydrogen in column 1 • Created the first version of the modern periodic table • ...

Periodic Table 2022-05-13

Periodic Table crossword puzzle
Across
  1. The ______ Number tells you the number of protons and neutrons in an atom
  2. The group of metals with no group number (_____ metals)
  3. Atoms with the same number of protons but different numbers of neutrons
  4. The columns in the periodic table
  5. Group 1 metals (_____ metals)
Down
  1. The _______ Number tells you the number of protons in an atom
  2. Group 7 non metals
  3. The ______ Gases found in Group 0
  4. The rows in the periodic table

9 Clues: Group 7 non metals • Group 1 metals (_____ metals) • The rows in the periodic table • The ______ Gases found in Group 0 • The columns in the periodic table • The group of metals with no group number (_____ metals) • The _______ Number tells you the number of protons in an atom • Atoms with the same number of protons but different numbers of neutrons • ...

Periodic Table 2025-05-20

Periodic Table crossword puzzle
Across
  1. What is in group one period one?
  2. Mendeleev - Who created the periodic table?
  3. What element is at group two period four?
  4. What element has the symbol “O”?
  5. Eighteen Which group is noble gas in?
Down
  1. What is a non-metal structure/ bonding called?
  2. Four Which period does potassium belong to?
  3. What element has the symbol “He”?
  4. How many atoms does the symbol “Al” have?
  5. one Which group has the atomic radius increased due to the extra shell of electrons for each element?

10 Clues: What is in group one period one? • What element has the symbol “O”? • What element has the symbol “He”? • Eighteen Which group is noble gas in? • How many atoms does the symbol “Al” have? • What element is at group two period four? • Four Which period does potassium belong to? • Mendeleev - Who created the periodic table? • What is a non-metal structure/ bonding called? • ...

Periodic Table 2025-10-20

Periodic Table crossword puzzle
Across
  1. horizontal rows of elements
  2. a pure substance that cannot be broken down
  3. the number of protons in an atom's nucleus
  4. the average mass of an atom as it occurs naturally
  5. vertical columns; elements in the same group share similar properties
Down
  1. elements that are usually shiny and conduct heat and electricity well
  2. elements that are typically dull, brittle and poor conductors
  3. the smallest particle of an element that maintains its properties
  4. elements that have properties of metals and nonmetals

9 Clues: horizontal rows of elements • the number of protons in an atom's nucleus • a pure substance that cannot be broken down • the average mass of an atom as it occurs naturally • elements that have properties of metals and nonmetals • elements that are typically dull, brittle and poor conductors • the smallest particle of an element that maintains its properties • ...

Periodic Table and Bonding 2025-12-05

Periodic Table and Bonding crossword puzzle
Across
  1. NO. Counts protons only
  2. TABLE Elements arranged by properties
  3. NO. Sum of protons and neutrons
  4. Vertical column in table
  5. Two nuclei join together
  6. Has no electric charge
  7. Area where electron is found
  8. Electron in a higher energy state
  9. Organized elements by weight
  10. Gas with two protons
  11. Fundamental light particle
  12. FORCE Keeps nucleus intact
Down
  1. Holds protons and neutrons
  2. Nucleus splits into smaller parts
  3. Positive charge inside nucleus
  4. Horizontal row in table
  5. Electrons transferred between atoms
  6. Smallest part of an element
  7. Electrons shared between atoms
  8. Moves around the nucleus
  9. Unit for atomic mass
  10. CHARGE Equal positive and negative charges
  11. Atom with positive or negative charge
  12. Electron energy level

24 Clues: Unit for atomic mass • Gas with two protons • Electron energy level • Has no electric charge • Horizontal row in table • NO. Counts protons only • Vertical column in table • Two nuclei join together • Moves around the nucleus • Holds protons and neutrons • Fundamental light particle • Smallest part of an element • FORCE Keeps nucleus intact • Area where electron is found • ...

Final Review 2024-01-16

Final Review crossword puzzle
Across
  1. Events that are repeated and observed.
  2. Parts or pieces of a model.
  3. Element with atomic number 8.
  4. The number of electrons found in a Neon atom.
  5. Elements found on the left side of the periodic table.
Down
  1. A bond between a metal and non-metal element.
  2. The energy it takes to remove one electron from an atom.
  3. Subatomic particle with a mass of 1.
  4. Who is known for organizing the periodic table?
  5. The amount of charge.
  6. An object of ________ charge is needed to find an unkchargeharge.
  7. Empty space is found between these particles.
  8. Atoms that gain electrons and become positively charged.

13 Clues: The amount of charge. • Parts or pieces of a model. • Element with atomic number 8. • Subatomic particle with a mass of 1. • Events that are repeated and observed. • A bond between a metal and non-metal element. • The number of electrons found in a Neon atom. • Empty space is found between these particles. • Who is known for organizing the periodic table? • ...

Atomic Theory and Periodic Table 2024-07-31

Atomic Theory and Periodic Table crossword puzzle
Across
  1. Particle that has no charge
  2. Average mass of all the isotopes of that element
  3. All atoms of the same element have the same number of protons
  4. Same number of protons but with a different number of neutrons
  5. Smallest particle that still can be considered an element
  6. Columns or "Families" on the periodic table
Down
  1. Negative particle of an atom
  2. One- or Two- letter abbreviation
  3. A chart showing all of the elements arranged according to the repeating pattern of their properties
  4. Positive particle of an atom
  5. Dense center of an atom
  6. Sum of protons and neutrons
  7. Rows on the periodic table

13 Clues: Dense center of an atom • Rows on the periodic table • Particle that has no charge • Sum of protons and neutrons • Negative particle of an atom • Positive particle of an atom • One- or Two- letter abbreviation • Columns or "Families" on the periodic table • Average mass of all the isotopes of that element • Smallest particle that still can be considered an element • ...

Unit 5 Periodic Table 2022-12-23

Unit 5 Periodic Table crossword puzzle
Across
  1. what is the only metal that is a liquid at room temperature?
  2. the columns of the periodic table. all elements in this _______ have the same number of valence electrons
  3. the attraction of one atom's nucleus to the electron of another atom
  4. metals found in group 2 and second most reactive group of metals
  5. elements found in groups 3-12
Down
  1. the size of an atom measured from its center to its outermost energy shell
  2. which is nonmetal is located to the far left of the periodic table
  3. the amount of energy needed to pull a valence electron from an atom
  4. the rows of the periodic table who's number indicates the amount of energy levels an element has
  5. group of metals that are the most reactive
  6. a group of elements that are unreactive because they already have a complete outer shell
  7. which group has all 3 phases of matter at room temperature and are also the most reactive nonmetals?

12 Clues: elements found in groups 3-12 • group of metals that are the most reactive • what is the only metal that is a liquid at room temperature? • metals found in group 2 and second most reactive group of metals • which is nonmetal is located to the far left of the periodic table • the amount of energy needed to pull a valence electron from an atom • ...

Chemistry 2014-05-16

Chemistry crossword puzzle
Across
  1. A subatomic particle that has a positive charge and that is found in the nucleus of an atom
  2. Two or more different atoms held together by chemical bonds
  3. Sum of the atomic masses of elements in a compound expressed in grams
  4. A substance made up of atoms of two or more different elements joined by chemical bonds
  5. A table that shows the elements, their atomic number, symbol, and average atomic mass; elements with similar chemical properties are grouped together
  6. The process of purifying a liquid by boiling it and condensing its vapors
  7. Smallest particle of an element
  8. Negatively charged particle; located outside the atomic nucleus
  9. An energy level representing the distance of an electron from the nucleus of an atom.
  10. A substance consisting of two or more substances mixed together but not chemically bonded together
  11. One of two or more atoms with the same atomic number but with different numbers of neutrons
  12. A subatomic particle that has no charge and that is found in the nucleus of an atom
Down
  1. a technique that separates the components of a mixture on the basis of the tendency of each to travel or be drawn across the surface of another material
  2. The sum of the numbers of protons and neutrons in the nucleus of an atom
  3. Separation of a mixture into fractions that differ in boiling points
  4. A process that separates materials based on the size of their particles
  5. The weighted mean mass of an atom of an element compared with one-twelfth of the mass of an atom of carbon-12; average mass of atoms of an element
  6. A horizontal row of elements in the periodic table
  7. The number of protons in the nucleus of an atom
  8. A substance composed of one type of atom only
  9. Vertical column of elements in the periodic table

21 Clues: Smallest particle of an element • A substance composed of one type of atom only • The number of protons in the nucleus of an atom • Vertical column of elements in the periodic table • A horizontal row of elements in the periodic table • Two or more different atoms held together by chemical bonds • Negatively charged particle; located outside the atomic nucleus • ...

Force and Motion 2023-10-10

Force and Motion crossword puzzle
Across
  1. you ____ when two forces are going in opposite directions
  2. distance and time
  3. represented by a straight line going up on a D vs. T graph
  4. when there is any change in motion
  5. speeding up, slowing down, change direction
  6. rows that go side to side on the periodic table
Down
  1. Atomic # = __________ = Electrons
  2. represented by a horizontal line on a D vs. T graph
  3. when you compare your number of protons and electrons
  4. columns that go up and down on the periodic table
  5. when an object is at rest or has constant speed
  6. you _____ when two forces are going in the same direction
  7. Mass - Atomic Number = ________
  8. speed with a direction

14 Clues: distance and time • speed with a direction • Mass - Atomic Number = ________ • Atomic # = __________ = Electrons • when there is any change in motion • speeding up, slowing down, change direction • when an object is at rest or has constant speed • rows that go side to side on the periodic table • columns that go up and down on the periodic table • ...

Periodic Table Crossword Puzzle 2025-04-22

Periodic Table Crossword Puzzle crossword puzzle
Across
  1. one to two letter abbreviation of the element.
  2. Heavy particles with no charge.
  3. atoms with a charge.
  4. The rows on the periodic table.
  5. Negative charge particles.
  6. The number of protons and neutrons in one atom of an element added together.
  7. The number of protons only found in one atom of a specific element.
  8. Good conductors at certain temperatures, but bad conductors at other temperature.
Down
  1. Heavy particles with positive charge.
  2. Poor conductors of electricity.
  3. Good conductors of energy.
  4. The number of protons and neutrons in one atom of an element.
  5. The total mass in grams of a single mole of a substance.
  6. The up and down columns on the periodic table, also called families.

14 Clues: atoms with a charge. • Good conductors of energy. • Negative charge particles. • Poor conductors of electricity. • Heavy particles with no charge. • The rows on the periodic table. • Heavy particles with positive charge. • one to two letter abbreviation of the element. • The total mass in grams of a single mole of a substance. • ...

Science Vocabulary 2024-08-19

Science Vocabulary crossword puzzle
Across
  1. Positive
  2. Center of an atom
  3. negative
  4. Family
  5. symbol- abbreviation of element
  6. atomic theory- atoms can't be divided
Down
  1. table- Chart of all the elements
  2. Educated Guess
  3. Rows in the table
  4. mass- Average mass of an isotope
  5. number- number of protons in nucleus of atom
  6. No charge
  7. Smallest Particle
  8. number- sum of protons and neutrons
  9. Same number of protons and different number of neutrons

15 Clues: Family • Positive • negative • No charge • Educated Guess • Rows in the table • Center of an atom • Smallest Particle • symbol- abbreviation of element • table- Chart of all the elements • mass- Average mass of an isotope • number- sum of protons and neutrons • atomic theory- atoms can't be divided • number- number of protons in nucleus of atom • ...

Chemical Bonds 2023-01-24

Chemical Bonds crossword puzzle
Across
  1. Protons, Electrons, Neutrons
  2. Substance Equation
  3. an atom on the periodic table
  4. first element on table
Down
  1. group of atoms
  2. outer shell
  3. creates a new substance
  4. sharing electrons
  5. release of heat
  6. link between atoms
  7. best science teacher

11 Clues: outer shell • group of atoms • release of heat • sharing electrons • Substance Equation • link between atoms • best science teacher • first element on table • creates a new substance • Protons, Electrons, Neutrons • an atom on the periodic table

EMC 2023-03-29

EMC crossword puzzle
Across
  1. the table of the elements
  2. a group of atoms
  3. Smallest unit of measurement
  4. also known as water.
Down
  1. makes up everything
  2. Chemically pure, cannot
  3. Salt
  4. salt water
  5. carbon dioxide
  6. negatively charged subatomic atom
  7. not chemically pure

11 Clues: Salt • salt water • carbon dioxide • a group of atoms • makes up everything • not chemically pure • also known as water. • Chemically pure, cannot • the table of the elements • Smallest unit of measurement • negatively charged subatomic atom

same | David Sieg 2017-02-08

same | David Sieg crossword puzzle
Across
  1. basic building blocks of all things
  2. electron that is located on the outer electron ring of an atom
  3. any characteristics of a given thing
  4. something made as the result of a chemical, natural, or manufacturing process
  5. elements of the periodic table that are grouped by their horizontal position on the table
Down
  1. substance made out of a single element
  2. you end up with the same amount that you started with
  3. a thing or trend that indicates a change has occurred in a certain substance
  4. Subatomic particle that determines the reactivity of an element
  5. elements of the periodic table grouped by their vertical position on the table

10 Clues: basic building blocks of all things • any characteristics of a given thing • substance made out of a single element • you end up with the same amount that you started with • electron that is located on the outer electron ring of an atom • Subatomic particle that determines the reactivity of an element • ...

The periodic table 2020-10-08

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

14 Clues: The element in period 2, group 5. • The element in period 3, group 3. • 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). • This metallic element burns with a lilac flame. • This element makes up 21% of the air we breath. • ...

periodic table vocabulary 2020-10-12

periodic table vocabulary crossword puzzle
Across
  1. characteristics of elements
  2. very reactive,group1
  3. organization of elements
  4. rare earthmetals
  5. less reactive than group 1
  6. able to be pressed w/o breakability
  7. shininess
  8. terrible conductors
Down
  1. non metal, has 8 valence electrons
  2. unreactive,
  3. includes actinides and lanthanides
  4. combines easily with group 1
  5. vertical columns, family
  6. radioactive,man-made
  7. drawn into thin wires

15 Clues: shininess • unreactive, • rare earthmetals • terrible conductors • very reactive,group1 • radioactive,man-made • drawn into thin wires • organization of elements • vertical columns, family • less reactive than group 1 • characteristics of elements • combines easily with group 1 • non metal, has 8 valence electrons • includes actinides and lanthanides • able to be pressed w/o breakability

Atoms vocabulary 2022-11-08

Atoms vocabulary crossword puzzle
Across
  1. Substances that are the building blocks of all matter
  2. The smallest particle into which an element can be divided and still have the same properties of that element
  3. Number of protons in the nucleus of one atom of an element
  4. Electrons found in the outermost shell of an atom and determine the chemical properties such as reactivity
  5. A chart where all elements are organized into periods and groups according to their chemical properties
  6. Number of protons and neutrons
  7. Molecule that is made up of more than one element
  8. Dull, poor conductors, brittle, found on the right side of the periodic table
  9. Some properties of both metals and nonmetals. found on the stair steps of the periodic table
  10. A subatomic particle that has a positive charge and that is found in the nucleus of an atom; identifies the element
Down
  1. A way of describing the number of atoms that make up a molecule or compound
  2. Negative charge, 0 AMU, located in the electron cloud, outer cloud is involved in chemical reactions
  3. High luster, good conductor, malleable found on the left of the periodic table
  4. one or two letter code that stand for an element
  5. A subatomic particle that has no charge and is found in the nucleus of an atom

15 Clues: Number of protons and neutrons • one or two letter code that stand for an element • Molecule that is made up of more than one element • Substances that are the building blocks of all matter • Number of protons in the nucleus of one atom of an element • A way of describing the number of atoms that make up a molecule or compound • ...

Stoichiometry Tic-Tac-Toe James 2022-03-03

Stoichiometry Tic-Tac-Toe James crossword puzzle
Across
  1. F
  2. 6.022x10^23 (Avogadro's number)
  3. Cl
  4. H
  5. Ag
  6. K
  7. Be
  8. Br
  9. O
  10. Ba
  11. Cu
  12. Au
Down
  1. I
  2. chemical formula that finds the max number of product that can be obtained
  3. found under an element on the periodic table
  4. N
  5. Al
  6. Ca
  7. C
  8. chemical formula that shows the simplest ratio
  9. Fe

21 Clues: I • F • N • H • K • C • O • Cl • Al • Ca • Ag • Be • Br • Ba • Fe • Cu • Au • 6.022x10^23 (Avogadro's number) • found under an element on the periodic table • chemical formula that shows the simplest ratio • chemical formula that finds the max number of product that can be obtained

Review 2024-10-25

Review crossword puzzle
Across
  1. The family of metals which are quite reactive, especially with water, and which have 2 valence electrons.
  2. The family of elements that contains a solid, a liquid and a gas at room temperature and which react very easily with metals and hydrogen.
  3. The family of metals that are very reactive and combine with halogens to form salts.
  4. The family of gases which are very unreactive because their valence shell is filled.
  5. Another name for a row on the periodic table?
  6. what is the name of the last electron shell which is responsible for the reactivity of the element.
Down
  1. A column of elements from the periodic table that have similar properties.
  2. The set of elements that have properties of both metals and non-metals.
  3. This number indicates the number of protons and electrons in an atom of an element
  4. Each item is designated by a one or two letter _____.
  5. The name of the scientist responsible for creating the periodic table.
  6. The set of elements that are dull, brittle, non-ductile and poor conductors.
  7. The set of elements that are shiny, malleable, ductile and good conductors.
  8. A “type” of atom; a pure substance that cannot be broken down or separated into simpler substances.

14 Clues: Another name for a row on the periodic table? • Each item is designated by a one or two letter _____. • The name of the scientist responsible for creating the periodic table. • The set of elements that have properties of both metals and non-metals. • A column of elements from the periodic table that have similar properties. • ...

Atoms vocab choice board 2021-09-23

Atoms vocab choice board crossword puzzle
Across
  1. basic unit of matter
  2. materials that are poor conductors of heat and electric current
  3. a one or two letter representation of an element
  4. a subatomic particle that has a positive charge and that is found in the nucleus of an atom
  5. center of an atom
  6. a substance that decreases the hydrogen ion concentration in a solution
  7. a table that classifies elements by their physical and chemical properties
  8. a charged atom
Down
  1. number of protons and neutrons
  2. a theory that states that all matter is composed of tiny particles called atoms
  3. a subatomic particle that has a negative charge and that is found around the nucleus
  4. a range of values used to express the concentration of hydrogen ions in a solution
  5. a substance made up of atoms of two or more different elements joined by chemical bonds
  6. the number of protons in the nucleus of an atom
  7. a substance that increases the hydrogen ion concentration in a solution
  8. vertical column in the periodic table
  9. elements that are good conductors of heat and electric current
  10. elements that have properties of both metals and nonmetals
  11. a horizontal row of elements in the periodic table

19 Clues: a charged atom • center of an atom • basic unit of matter • number of protons and neutrons • vertical column in the periodic table • the number of protons in the nucleus of an atom • a one or two letter representation of an element • a horizontal row of elements in the periodic table • elements that have properties of both metals and nonmetals • ...

chemistry crossword 2014-11-06

chemistry crossword crossword puzzle
Across
  1. of or relating to chemistry or the interactions of substances as studied in chemistry
  2. gas any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table
  3. new substances produced in a chemical reaction between reactants
  4. rapid chemical combination of a substance with oxygen, involving the production of heat and light
  5. is poisonous an can kill you
  6. change Substances often undergo changes that make them have a dramatically different appearance even though the chemical composition of the substance remains unchanged
  7. a substance that takes part in and undergoes change during a reaction
  8. gas is a substance that is a gas at normal room temperature and pressure, and is contained under pressure, usually in a cylinder
  9. element that has both metallic and non-metallic properties
  10. mass the mass of an atom of a chemical element expressed in atomic mass units
  11. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
  12. a mathematical relationship or rule expressed in symbols
Down
  1. a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  2. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  3. is a column of elements in the periodic table of the chemical elements
  4. is tending to cause corrosion
  5. (of a reaction or process) accompanied by or requiring the absorption of heat
  6. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  7. compound A compound which is held together by ionic bonds
  8. a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g., iron, gold, silver, copper, and aluminum, and alloys such as brass and steel)
  9. (of a compound) formed from its constituent elements with a net release of heat
  10. is the name given to a horizontal row of the periodic table
  11. any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table
  12. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen

24 Clues: is poisonous an can kill you • is tending to cause corrosion • a mathematical relationship or rule expressed in symbols • compound A compound which is held together by ionic bonds • element that has both metallic and non-metallic properties • is the name given to a horizontal row of the periodic table • ...

Chemistry Crossword 2015-11-17

Chemistry Crossword crossword puzzle
Across
  1. Pure substance formed when at least one metal and one non-metal combine.
  2. The smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons.
  3. Group 18 elements in the periodic table; the most stable and unreactive elements.
  4. New substance produced in a chemical reaction between reactants.
  5. Chemical reaction that absorbs energy; example cold pack.
  6. Pure substance formed when non-metals combine.
  7. A pure substance that cannot be broken down into other substances; the substance is made up of only one type of atom.
  8. Metals Group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals.
  9. Number of protons in the nucleus of one atom of an element.
  10. Group of atoms acting as one (for example, carbonate or CO32-).
Down
  1. Principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants.
  2. Substance that helps a chemical reaction to proceed more quickly.
  3. Description of a solid that can be stretched into a long wire.
  4. Change that results when two or more substances react to create a different substance or substances and the new substances have completely different properties from the original ones.
  5. Change in the appearance or state of a substance that does not change the composition.
  6. Chemical reaction that releases energy; example fire.
  7. A reaction that takes place when two or more substances react to form new substances.
  8. Mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in amu.
  9. Anything that has mass and occupies space.
  10. Description of a substance that can be pounded or rolled into sheets.
  11. Ability of a substance to conduct electricity or heat.
  12. Substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties.
  13. Group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals.
  14. Group 17 elements in the periodic table; the most reactive non-metals.
  15. Atom that has become electrically charged because it has lost or gained electrons.

25 Clues: Anything that has mass and occupies space. • Pure substance formed when non-metals combine. • Chemical reaction that releases energy; example fire. • Ability of a substance to conduct electricity or heat. • Chemical reaction that absorbs energy; example cold pack. • Number of protons in the nucleus of one atom of an element. • ...

Unit 5 Vocabulary 2025-11-10

Unit 5 Vocabulary crossword puzzle
Across
  1. - has all the elements on one table.
  2. - a type of atom defined by the number of protons and neutrons.
  3. - a horizontal row on the periodic table.
Down
  1. - a group of elements found on the left and middle of the periodic table.
  2. - a ground of elements on the periodic table that lack typical metallic properties.
  3. - up and down on the periodic table.

6 Clues: - has all the elements on one table. • - up and down on the periodic table. • - a horizontal row on the periodic table. • - a type of atom defined by the number of protons and neutrons. • - a group of elements found on the left and middle of the periodic table. • - a ground of elements on the periodic table that lack typical metallic properties.

Big Brain Science 2021-09-16

Big Brain Science crossword puzzle
Across
  1. On the periodic table,____ are the opposite of periods.
  2. The ____(s) of an atom located in the nucleus.
  3. All compounds are ____.
  4. The ____ includes zinc, radium, and potassium.
  5. A ____ is made up of different atoms bonded together.
  6. The atomic number is how many ____ there are.
  7. Elements are made up of ____.
Down
  1. The ____ is also known as how many protons there are.
  2. ____ are the rows on the periodic table.
  3. An ____ is not bonded.
  4. If you know the number of protons you know the number of ____.

11 Clues: An ____ is not bonded. • All compounds are ____. • Elements are made up of ____. • ____ are the rows on the periodic table. • The atomic number is how many ____ there are. • The ____(s) of an atom located in the nucleus. • The ____ includes zinc, radium, and potassium. • The ____ is also known as how many protons there are. • ...

Everyday Chemistry 2022-04-11

Everyday Chemistry crossword puzzle
Across
  1. Positively charged particles
  2. Nuclear particle with no charge
  3. Vertical columns in the periodic table, where elements contain similar chemical properties
  4. _______ is a strong acid that is used in car batteries
  5. Smallest particle of an element
  6. electron configuration for this element is
Down
  1. Horizontal rows in the periodic table
  2. Made of 2 or more elements that are chemically combines
  3. Negatively charged particles
  4. The study ofthe behavior of matter and its charges and how it interacts with other matter and energy
  5. Fe

11 Clues: Fe • Positively charged particles • Negatively charged particles • Nuclear particle with no charge • Smallest particle of an element • Horizontal rows in the periodic table • electron configuration for this element is • _______ is a strong acid that is used in car batteries • Made of 2 or more elements that are chemically combines • ...

Escape room clue 1 2025-01-26

Escape room clue 1 crossword puzzle
Across
  1. state of matter where there are no intermolecular bonds between particles
  2. subatomic particle with charge of -1
  3. substance that takes up space and mass
  4. subatomic particle with charge of +1
  5. Two or more elements chemically bonded together
  6. subatomic particle with no charge
Down
  1. smallest particle of element that can exist
  2. Substance that consists of only one type of atom
  3. column of the periodic table
  4. row of the periodic table
  5. Two or more elements together without being chemically bonded

11 Clues: row of the periodic table • column of the periodic table • subatomic particle with no charge • subatomic particle with charge of -1 • subatomic particle with charge of +1 • substance that takes up space and mass • smallest particle of element that can exist • Two or more elements chemically bonded together • Substance that consists of only one type of atom • ...

atoms 6grade 2024-09-25

atoms 6grade crossword puzzle
Across
  1. most of the atom is this way
  2. the negative part of an atom
  3. likes to hang out with the proton in the center
  4. the positive charge in the atom
  5. the flavor of pudding in Rutherford's model
  6. the columns in the periodic table
Down
  1. the process of going from liquid to gas
  2. the process of going from solid to liquid
  3. he made up a model of the atom which looks like the solar system
  4. the inventor of atomism
  5. the rows in the periodic table

11 Clues: the inventor of atomism • most of the atom is this way • the negative part of an atom • the rows in the periodic table • the positive charge in the atom • the columns in the periodic table • the process of going from liquid to gas • the process of going from solid to liquid • the flavor of pudding in Rutherford's model • likes to hang out with the proton in the center • ...

Elements Crossword Puzzle 2022-05-05

Elements Crossword Puzzle crossword puzzle
Across
  1. neutrally charged
  2. something made by Demtri Mendeleev to arrange the elemnts by their characteristics
  3. different elements that are chemically combined to make something new
  4. the building blocks of matter
  5. poor conductors located on the right side of the periodic table
  6. contain properties of metals and nonmetals
Down
  1. negative charged
  2. materials that are not chemically combined
  3. forms when 2 or more atoms are combined
  4. positvily charged
  5. located on the left side of the periodic table and are good conductors

11 Clues: negative charged • neutrally charged • positvily charged • the building blocks of matter • forms when 2 or more atoms are combined • materials that are not chemically combined • contain properties of metals and nonmetals • poor conductors located on the right side of the periodic table • different elements that are chemically combined to make something new • ...

Compounds and Chemical Reactions 2020-03-31

Compounds and Chemical Reactions crossword puzzle
Across
  1. A horizontal row in the Periodic Table.
  2. The compound Magnesium sulfide is made up of Magnesium and ______________.
  3. Made of elements that are joined together.
  4. A pure substance made up of only one type of atom.
  5. The element found in Group 2, Period 4.
  6. This element has the symbol Mg.
  7. Smallest unit that elements are made of.
Down
  1. The nucleus consists of ____________ and neutrons.
  2. Two or more substances ____________ to form new substances.
  3. A vertical column in the Periodic Table.
  4. Iron can be classified as a _____________.
  5. Mass number of twenty seven and a atomic number of thirteen.
  6. Formed when Hydrogen and Oxygen atoms combine.
  7. The common name for Sodium Chloride.

14 Clues: This element has the symbol Mg. • The common name for Sodium Chloride. • A horizontal row in the Periodic Table. • The element found in Group 2, Period 4. • A vertical column in the Periodic Table. • Smallest unit that elements are made of. • Made of elements that are joined together. • Iron can be classified as a _____________. • ...

Unit 1 and Unit 2 General Chem I 2026-01-22

Unit 1 and Unit 2 General Chem I crossword puzzle
Across
  1. element that is shiny, malleable, good conductor of heat and electricity
  2. positively charged atom or molecule
  3. combination of substances with a composition that is uniform throughout
  4. property of a substance that depends on the amount of the substance
  5. ratio of mass to volume for a substance or object
  6. horizontal row on the periodic table
  7. element in group 18
Down
  1. element in group 1
  2. electrically charged atom or molecule
  3. vertical column on the periodic table
  4. property of a substance that is independent of the amount of the substance
  5. number of protons in the nucleus of the atom
  6. combination of substances with a composition that varies from point to point
  7. negatively charged atom or molecule

14 Clues: element in group 1 • element in group 18 • positively charged atom or molecule • negatively charged atom or molecule • horizontal row on the periodic table • electrically charged atom or molecule • vertical column on the periodic table • number of protons in the nucleus of the atom • ratio of mass to volume for a substance or object • ...

Atoms and the Periodic Table Review 2021-04-08

Atoms and the Periodic Table Review crossword puzzle
Across
  1. elements that have properties of both metals and non-metals
  2. The charge than an electron has
  3. The _______number is the same as the number of protons and electrons
  4. Electrons orbit the nucleus in ______ levels
  5. There are _______ periods on the periodic table.
  6. has no charge and is found in the nucleus
  7. Add the number of protons and neutrons to find the atomic ______.
Down
  1. the number of _____ is used to determine the atomic number
  2. The charge that a proton has
  3. the negatively charged subatomic particle
  4. where the protons and neutrons are found
  5. The Noble ______ will not react at all
  6. The periodic table has 18 ______.
  7. the overall charge of an atom

14 Clues: The charge that a proton has • the overall charge of an atom • The charge than an electron has • The periodic table has 18 ______. • The Noble ______ will not react at all • where the protons and neutrons are found • the negatively charged subatomic particle • has no charge and is found in the nucleus • Electrons orbit the nucleus in ______ levels • ...

Chapter 12- Shelby Moore 2021-02-18

Chapter 12- Shelby Moore crossword puzzle
Across
  1. an attractive force that holds ions together
  2. also known as (H) on the periodic table
  3. also known as the LDS structure
  4. the 21 element on the periodic table
  5. the relative ability of a solute to dissolve into a solvent
  6. incapable of being dissolved
  7. bond found in metals
Down
  1. how bonds are arranged in a compound
  2. the molar concentration of a solution
  3. capable of being dissolved in liquid

10 Clues: bond found in metals • incapable of being dissolved • also known as the LDS structure • how bonds are arranged in a compound • the 21 element on the periodic table • capable of being dissolved in liquid • the molar concentration of a solution • also known as (H) on the periodic table • an attractive force that holds ions together • ...

Chapter 9- Lillian Wilhelm 2020-01-30

Chapter 9- Lillian Wilhelm crossword puzzle
Across
  1. made of adoms
  2. who made the early model of the atom?
  3. Dmitri Mendeleiv designed this
  4. an electron in the outermost energy level
  5. What has no electrical charge at all?
Down
  1. Cobalt is an example of this on the periodic table
  2. What have a posotive charge?
  3. This means the same thing as groups on the periodic table.
  4. an atom that carries an electrical charge
  5. What is 2000 times larger than protons?

10 Clues: made of adoms • What have a posotive charge? • Dmitri Mendeleiv designed this • who made the early model of the atom? • What has no electrical charge at all? • What is 2000 times larger than protons? • an atom that carries an electrical charge • an electron in the outermost energy level • Cobalt is an example of this on the periodic table • ...

Magnets 2023-09-05

Magnets crossword puzzle
Across
  1. Strongest magnetic material
  2. Unlike poles on magnet do
  3. invisible field that surrounds magnet
  4. Name of magnet pole with blue tip
  5. Name of magnet pole with red tip
Down
  1. magnetic material on periodic table
  2. Other example of magnetic material on periodic table
  3. material the produces magnetic field
  4. A magnet that consists of a piece of iron or steel surrounded by a coil
  5. Like poles of a magnet do

10 Clues: Unlike poles on magnet do • Like poles of a magnet do • Strongest magnetic material • Name of magnet pole with red tip • Name of magnet pole with blue tip • magnetic material on periodic table • material the produces magnetic field • invisible field that surrounds magnet • Other example of magnetic material on periodic table • ...

Chemistry Crossword 2015-12-01

Chemistry Crossword crossword puzzle
Across
  1. - dull, brittle element that does not conduct electricity
  2. - group 17 elements in the periodic table; the most reactive non-metals
  3. - the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  4. - atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons; a negative ion is an atom that has gained one or more electrons
  5. - description of a substance that can be pounded or rolled into sheets
  6. - group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  7. - anything that has mass and occupies space
  8. - substance that helps a chemical reaction to proceed more quickly
  9. - invisible negatively charged particle that orbits the nucleus of an atom
  10. - neutral particle in the nucleus of an atom
  11. - mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in atomic mass units (amu)
  12. - substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  13. - change of state from a liquid to a solid
Down
  1. - pure substance that cannot be broken down into other substances; substance made up of only one type of atom
  2. - shiny , malleable, ductile element that conducts electricity
  3. - number of protons in the nucleus of one atom of an element
  4. - property that describes the physical appearance and composition of a substance
  5. - metals that have a density of 5 or higher heavy metals are one type of substance monitored to determine water quality
  6. - group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  7. - substance that strongly resists the flow of electricity
  8. - the sum of the number of protons and neutrons in an atom
  9. - group 18 elements in the periodic table; the most stable and unreactive elements
  10. - change of state from a gas to a solid
  11. - positively charged centre of an atom; contains protons and neutrons
  12. - chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy

25 Clues: - change of state from a gas to a solid • - change of state from a liquid to a solid • - anything that has mass and occupies space • - neutral particle in the nucleus of an atom • - dull, brittle element that does not conduct electricity • - substance that strongly resists the flow of electricity • - the sum of the number of protons and neutrons in an atom • ...

Physical Science Vocabulary 2020-10-13

Physical Science Vocabulary crossword puzzle
Across
  1. elements that are a mix of metal and nonmetal
  2. total number of protons and neutrons
  3. subatomic particle with positive charge
  4. subatomic particle with no charge
  5. a set of elements in the same vertical columns on the periodic table
  6. physically distinctive form of matter such as a solid, liquid, gas, or plasma
  7. new substances made through forces of attraction
  8. cations with metallic bonds
  9. an outer shell electron that is associated with an atom
  10. horizontal rows on the periodic table
  11. bonding where electrons are lost or gained
  12. the number of protons in the nucleus
  13. an atom loses an electron, which creates a positive ion
  14. atom(s) that carry an overall positive or negative charge
  15. organizedd array of all of the chemical elements in order of increasing atomic number
  16. notations used to identify compounds; consist of symbols of the elements and a small number that tells how many atoms are present
Down
  1. compounds that consist of only two elements the number of positive and negative charges must be the same
  2. model in which electrons form a cloud of negative charges surrounding the nucleus
  3. atoms joining together as a result of forces of attraction
  4. average mass of all the isotopes of that element
  5. groups of atoms joined by covalent bonds
  6. small number below the baseline; in a chemical formula, it tells how many atoms are present
  7. atom gains an electron, making it negative
  8. a regular variation of the properties of an element with increasing atomic number
  9. metal and nonmetals come together to form an electrically neutral compound
  10. electrons are organized into energy level; the ones closest to the nucleus have less energy than ones farther away
  11. smallest unit that still has the chemical properties of an element
  12. one or more columns on the periodic table
  13. center of the atom made up of protons and neutrons
  14. atoms with the same number of protons, but different numbers of neutrons
  15. any of the chemical elements belonging to the s and p blocks of the periodic table
  16. nonmetallic elements; not able to conduct electricity/heat well
  17. subatomic particle with a negative charge

33 Clues: cations with metallic bonds • subatomic particle with no charge • total number of protons and neutrons • the number of protons in the nucleus • horizontal rows on the periodic table • subatomic particle with positive charge • groups of atoms joined by covalent bonds • one or more columns on the periodic table • subatomic particle with a negative charge • ...

Matter 2021-02-16

Matter crossword puzzle
Across
  1. a material that is typically hard, opaque, shiny, and has good electrical and thermal conductivity the measure of the ease at which an electric charge or heat can pass through a material
  2. the movement of a solvent
  3. a chemical element that mostly lacks the characteristics of a metal
  4. a group of atoms bonded together
  5. a substance formed from two or more elements chemically united in fixed proportions
  6. ___________ particles are smaller than atoms
  7. the body of theory which explains the physical properties of matter in terms of the motions of its constituent particles
  8. a group in the periodic table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
  9. the basic building block of ordinary matter
  10. an admixture of metals
  11. the ability to do work
  12. abbreviations used in chemistry for chemical elements
  13. anything that has mass and takes up place (it has volume)
  14. a stable subatomic particle with a charge of negative electricity
Down
  1. the movement of a substance from an area of high concentration to an area of low concentration
  2. the positively charged central core of an atom the smallest particle of an element that retains the chemical retains the chemical and physical properties of the element
  3. tabular display of the chemical elements
  4. ions,atoms or molecules
  5. an element that has properties that are intermediate between those of metals and nonmetals
  6. the number of protons in the nucleus of an atom is called
  7. any of the six chemical elements that comprise Group 2 (IIa) of the periodic table
  8. _________metals are the most electropositive (the least electronegative) of elements
  9. a set of elements occupying a horizontal row in the periodic table
  10. a subatomic structure
  11. a set of elements occupying a column in the periodic table
  12. the particles in an atom that has a neutral charge
  13. each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter
  14. the sum of the numbers of protons and neutrons present in the nucleus of an atom is called
  15. number of protons in the nucleus of an atom is called

29 Clues: a subatomic structure • an admixture of metals • the ability to do work • ions,atoms or molecules • the movement of a solvent • a group of atoms bonded together • tabular display of the chemical elements • the basic building block of ordinary matter • ___________ particles are smaller than atoms • the particles in an atom that has a neutral charge • ...

Chemistry Crossword Challenge 1 2025-10-06

Chemistry Crossword Challenge 1 crossword puzzle
Across
  1. when doing Gas Law problems, my temperature must be in units of ______________
  2. Mass number – atomic number = number of ______________
  3. when I add or subtract, the number of sigfigs comes from this
  4. when calculating energy of heat curves, I need ______ different equations to go from cold ice to hot steam
  5. W
  6. units of measurement for Q / Heat
  7. 300000000m/s
  8. state of matter with a fixed shape and volume
  9. for water, 2257
  10. base unit for the amount of a substance
  11. lambda
  12. how to separate a mixture that has more than one phase
  13. sub-atomic particles that are NOT found in the nucleus of an atom
  14. elements that are usually non-reactive and very stable
  15. vertical column on the periodic table of elements
  16. “Exiting Heat”
  17. liquid to gas
  18. standard pressure at earths sea level
  19. “d” block of elements on your periodic table
  20. third heaviest noble gas
  21. 6.626E-34 is ____________’s constant
  22. this is released when an excited electron drops back to its ground state
  23. word used to describe “meaningful” numbers
Down
  1. gas to solid
  2. Cesium for example
  3. used to show relly big or really small numbers
  4. developer of the plum pudding model
  5. magnesium’s bohr model has 3 of these
  6. why the water phase diagram is different from the typical one (solid/liquid line)
  7. conductivity or malleability are examples
  8. first (lowest energy) plateau on a heat curve
  9. section between the “Y” shape of a phase diagram
  10. number of electrons of Sulfur that has a negative 2 charge
  11. number of protons of sodium
  12. calculated by dividing the number of moles of that substance by the total number of moles in the container
  13. P1+P2+P3+…
  14. decreasing the volume of a container makes the pressure….
  15. horizontal row on the periodic table of elements
  16. PV=PV
  17. colored green on your periodic table
  18. commonly measured in g/cm^3
  19. the bohr model for Carbon has 4 of these
  20. element with a mass of 200.59
  21. when reading a volume level in a graduated cylinder, make sure to read the bottom of the _____________
  22. pure substance made of 2 or more elements

45 Clues: W • PV=PV • lambda • P1+P2+P3+… • gas to solid • 300000000m/s • liquid to gas • “Exiting Heat” • for water, 2257 • Cesium for example • third heaviest noble gas • number of protons of sodium • commonly measured in g/cm^3 • element with a mass of 200.59 • units of measurement for Q / Heat • developer of the plum pudding model • colored green on your periodic table • ...

chemistry 2017-03-14

chemistry crossword puzzle
Across
  1. you can`t change it back
  2. stick together
  3. two or more different atoms chemically combined
Down
  1. you can change it back
  2. slip and slide past each other
  3. no fixed volume
  4. the 1 on periodic table
  5. 13 on periodic table

8 Clues: stick together • no fixed volume • 13 on periodic table • you can change it back • the 1 on periodic table • you can`t change it back • slip and slide past each other • two or more different atoms chemically combined

Elements Crossword Puzzle 2022-05-05

Elements Crossword Puzzle crossword puzzle
Across
  1. neutrally charged
  2. something made by Demtri Mendeleev to arrange the elemnts by their characteristics
  3. different elements that are chemically combined to make something new
  4. the building blocks of matter
  5. poor conductors located on the right side of the periodic table
  6. contain properties of metals and nonmetals
Down
  1. negative charged
  2. materials that are not chemically combined
  3. forms when 2 or more atoms are combined
  4. positvily charged
  5. located on the left side of the periodic table and are good conductors

11 Clues: negative charged • neutrally charged • positvily charged • the building blocks of matter • forms when 2 or more atoms are combined • materials that are not chemically combined • contain properties of metals and nonmetals • poor conductors located on the right side of the periodic table • different elements that are chemically combined to make something new • ...

Elements Crossword Puzzle 2022-05-05

Elements Crossword Puzzle crossword puzzle
Across
  1. neutrally charged
  2. something made by Demtri Mendeleev to arrange the elemnts by their characteristics
  3. different elements that are chemically combined to make something new
  4. the building blocks of matter
  5. poor conductors located on the right side of the periodic table
  6. contain properties of metals and nonmetals
Down
  1. negative charged
  2. materials that are not chemically combined
  3. forms when 2 or more atoms are combined
  4. positvily charged
  5. located on the left side of the periodic table and are good conductors

11 Clues: negative charged • neutrally charged • positvily charged • the building blocks of matter • forms when 2 or more atoms are combined • materials that are not chemically combined • contain properties of metals and nonmetals • poor conductors located on the right side of the periodic table • different elements that are chemically combined to make something new • ...

Atomic Structure Crossword Puzzle 2025-10-15

Atomic Structure Crossword Puzzle crossword puzzle
Across
  1. The amount of matter in an object.
  2. The smallest unit of an element.
  3. A particle with no electric charge.
  4. A positively charged particle found in the nucleus.
  5. A particle with a negative charge.
Down
  1. Having a greater number of protons than electrons.
  2. A horizontal row in the periodic table.
  3. A vertical column in the periodic table.
  4. The opposite of positive.
  5. The center of an atom that contains protons and neutrons.
  6. A one- or two-letter abbreviation for an element.

11 Clues: The opposite of positive. • The smallest unit of an element. • The amount of matter in an object. • A particle with a negative charge. • A particle with no electric charge. • A horizontal row in the periodic table. • A vertical column in the periodic table. • A one- or two-letter abbreviation for an element. • Having a greater number of protons than electrons. • ...

Periodic Table 2019-09-03

Periodic Table crossword puzzle
Across
  1. the chemical element of atomic number 26
  2. electron: outer shell electron that is associated with an atom
  3. Without a charge
  4. a stable subatomic particle with a positive electric charge
  5. number the number of protons in the nucleus of an atom.
Down
  1. a negatively charged ion
  2. Subatomic particle with a negative charge
  3. a positively charged ion
  4. number: total number of protons and neutrons in a nucleus

9 Clues: Without a charge • a negatively charged ion • a positively charged ion • the chemical element of atomic number 26 • Subatomic particle with a negative charge • number the number of protons in the nucleus of an atom. • number: total number of protons and neutrons in a nucleus • a stable subatomic particle with a positive electric charge • ...

Periodic Table 2024-06-01

Periodic Table crossword puzzle
Across
  1. symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table.
  2. symbol Li and atomic number 3. It is a soft, silvery-white alkali metal. Under standard conditions, it is the least dense metal and the least dense solid element. Like all alkali metals, lithium is highly reactive and flammable, and must be stored in vacuum, inert atmosphere, or inert liquid such as purified kerosene or mineral oil. It exhibits a metallic luster.
  3. symbol B and atomic number 5. In its crystalline form it is a brittle, dark, lustrous metalloid; in its amorphous form it is a brown powder. As the lightest element of the boron group it has three valence electrons for forming covalent bonds, resulting in many compounds such as boric acid, the mineral sodium borate, and the ultra-hard crystals of boron carbide and boron nitride.
  4. symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. Oxygen is the most abundant element in Earth's crust, and after hydrogen and helium, it is the third-most abundant element in the universe.
  5. symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System.
Down
  1. symbol Be and atomic number 4. It is a steel-gray, strong, lightweight and brittle alkaline earth metal. It is a divalent element that occurs naturally only in combination with other elements to form minerals. Gemstones high in beryllium include beryl (aquamarine, emerald, red beryl) and chrysoberyl.
  2. symbol F and atomic number 9. It is the lightest halogen[note 1] and exists at standard conditions as pale yellow diatomic gas. Fluorine is extremely reactive as it reacts with all other elements except for the light inert gases. It is highly toxic.
  3. symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules with the formula H2
  4. symbol C and atomic number 6. It is nonmetallic and tetravalent—meaning that its atoms are able to form up to four covalent bonds due to its valence shell exhibiting 4 electrons. It belongs to group 14 of the periodic table.

9 Clues: symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules with the formula H2 • symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table. • ...

Periodic Table 2021-09-26

Periodic Table crossword puzzle
Across
  1. Nature of oxide of Sodium ?
  2. The other name for group 17 ?
  3. Nature of oxide of Aluminium ?
  4. MgO only can react with ?
  5. Sodium is _______ in water.
Down
  1. What element essential for building and maintaining healthy bones and teeth ?
  2. Element that only have 1st Ionisation Energy?
  3. A halogen in period 4 ?
  4. _______ kill bacteria , it is used to treat drinking water and swimming pool water .

9 Clues: A halogen in period 4 ? • MgO only can react with ? • Nature of oxide of Sodium ? • Sodium is _______ in water. • The other name for group 17 ? • Nature of oxide of Aluminium ? • Element that only have 1st Ionisation Energy? • What element essential for building and maintaining healthy bones and teeth ? • ...

Periodic Table 2021-12-10

Periodic Table crossword puzzle
Across
  1. the periodic table of elements
  2. the element we breath
  3. the top part of an element
  4. the bottom part of an element
  5. protons have what charge
Down
  1. the element that creates poison
  2. Smalled unit of matter
  3. neutrons have what charge
  4. electrons have what charge

9 Clues: the element we breath • Smalled unit of matter • protons have what charge • neutrons have what charge • electrons have what charge • the top part of an element • the bottom part of an element • the periodic table of elements • the element that creates poison

periodic table 2024-01-24

periodic table crossword puzzle
Across
  1. in a atom
  2. elements
  3. extra electrons
  4. outside of the nuclius
Down
  1. mmatter
  2. in a atom
  3. mass of an atom
  4. melting
  5. boiling
  6. frezing

10 Clues: mmatter • melting • boiling • frezing • elements • in a atom • in a atom • mass of an atom • extra electrons • outside of the nuclius

Periodic Table 2022-03-10

Periodic Table crossword puzzle
Across
  1. Ability to conduct electricity
  2. tendancy to accept an electron
  3. Column
  4. liquid metal
  5. First element
  6. Group18
Down
  1. Group17
  2. row
  3. distance between atomic nucleus and outermost electron

9 Clues: row • Column • Group17 • Group18 • liquid metal • First element • Ability to conduct electricity • tendancy to accept an electron • distance between atomic nucleus and outermost electron

Periodic Table 2025-07-28

Periodic Table crossword puzzle
Across
  1. Water (H₂O) is a ____________ because it is made from hydrogen and oxygen chemically combined.
  2. A ____________ is formed when two or more substances are physically combined.
  3. A substance made up of only one type of atom is called an ____________.
  4. Compound can be separated by using _________ method.
Down
  1. The components of a mixture can be separated by ____________ methods.
  2. During electrolysis, water is broken down into oxygen and ____________ gases.
  3. When two or more substances are mixed but do not chemically react, the result is called a ____________.
  4. In a mixture, the substances do not undergo a ____________ reaction.
  5. A compound has ____________ properties from the elements that make it.
  6. Carbon dioxide is a compound made up of ______ and oxygen.

10 Clues: Compound can be separated by using _________ method. • Carbon dioxide is a compound made up of ______ and oxygen. • In a mixture, the substances do not undergo a ____________ reaction. • The components of a mixture can be separated by ____________ methods. • A compound has ____________ properties from the elements that make it. • ...

Periodic Table 2023-01-11

Periodic Table crossword puzzle
Across
  1. atoms hold it together
  2. has 2 or more atoms
  3. substances are mixed together
  4. has mass and takes up space
Down
  1. the element is (Fe)
  2. can be made into any substance
  3. Grouped together by atoms
  4. the element is (C)
  5. we breathe it daily

9 Clues: the element is (C) • the element is (Fe) • has 2 or more atoms • we breathe it daily • atoms hold it together • Grouped together by atoms • has mass and takes up space • substances are mixed together • can be made into any substance

Periodic Table 2022-12-02

Periodic Table crossword puzzle
Across
  1. building blocks which make up everything
  2. made up of only one type of atom
  3. bonds the bonds formed for compounds
  4. isn't uniform
Down
  1. mass the bottom number of an element
  2. anything that takes up mass
  3. is uniform
  4. can only be physically separated
  5. made up of two or more atoms chemically combined
  6. number top number of the element

10 Clues: is uniform • isn't uniform • anything that takes up mass • made up of only one type of atom • can only be physically separated • number top number of the element • mass the bottom number of an element • bonds the bonds formed for compounds • building blocks which make up everything • made up of two or more atoms chemically combined

Periodic table 2022-11-29

Periodic table crossword puzzle
Across
  1. has only one energy level
  2. atomic weight of 127
  3. has 14 neutrons
  4. atomic number 107
Down
  1. atomic mass of 75
  2. very hard, and very resistant to heat
  3. silvery-white metal
  4. attic number 18
  5. Electron Configurations 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6

9 Clues: has 14 neutrons • attic number 18 • atomic mass of 75 • atomic number 107 • silvery-white metal • atomic weight of 127 • has only one energy level • very hard, and very resistant to heat • Electron Configurations 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6

Periodic Table 2026-02-26

Periodic Table crossword puzzle
Across
  1. Horizontal row in the periodic table
  2. property of metals and alloys that allows them to be drawn into wires
  3. Occurs because some electrons move freely among a metal's positively charged ions, explains properties such as ductility and the ability to conduct electricity
  4. Property of metals and alloys that allows them to be hammered or rolled into thin sheets
Down
  1. vertical column in periodic table
  2. Uses the symbol for an element and dots representing the number of electrons in the elements outer energy level
  3. Element, such as radium, whose nucleus breaks down and emits particles and energy
  4. Organized list of all known elements that are arranged by increasing atomic number and by changes in chemical and physical properties
  5. Element that is shiny malleable, ductile, and a good conductor of heat and electricity

9 Clues: vertical column in periodic table • Horizontal row in the periodic table • property of metals and alloys that allows them to be drawn into wires • Element, such as radium, whose nucleus breaks down and emits particles and energy • Element that is shiny malleable, ductile, and a good conductor of heat and electricity • ...

Blane's Matter Vocab 2021-05-24

Blane's Matter Vocab crossword puzzle
Across
  1. substance prepared from killed or weakened pathogens and introduced into a body to produce immunity
  2. a vertical column of elements in the periodic table; elements in a group share chemical properties
  3. the ability of a substance to be hammered or beaten into thin sheets
  4. an element that has properties of both metals and nonmetals. EXAMPLE: Silicon is used in semiconductors(computer chips).
  5. process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
Down
  1. single-celled organisms that lack a nucleus; prokaryotes
  2. elements that are dull, brittle, poor conductors of heat, and electricity. Most are gases and some examples are F, Cl, Br, I, N, C, O, He
  3. A horizontal row of elements in the periodic table.
  4. parts per million
  5. elements found on the Periodic table that are shiny, most are solids, malleable, ductile, and conduct heat or electricity.
  6. an organelle found in plant and algae cells where photosynthesis occurs
  7. a chemical substance derivable from a mold or bacterium that kills microorganisms and cures infections

12 Clues: parts per million • A horizontal row of elements in the periodic table. • single-celled organisms that lack a nucleus; prokaryotes • the ability of a substance to be hammered or beaten into thin sheets • an organelle found in plant and algae cells where photosynthesis occurs • ...

Nuclear 2023-11-06

Nuclear crossword puzzle
Across
  1. treats cancer
  2. above the letter on the periodic table
  3. the number below the letter on the periodic table
  4. large nucleus breaks apart and becomes 2 small nuclei
  5. atoms with the same number of protons and electrons, but a different number of neutrons
  6. located in the nucleus
  7. something that happens over and over again
  8. the amount of time it takes for something to have half the amount of mass
  9. will go through skin but not aluminium
Down
  1. The heaviest of all of the decay
  2. in the middle of the cells
  3. the waste that nuclear energy has
  4. two small nucei come to gether and make a nucleus
  5. located in the nucleus

14 Clues: treats cancer • located in the nucleus • located in the nucleus • in the middle of the cells • The heaviest of all of the decay • the waste that nuclear energy has • above the letter on the periodic table • will go through skin but not aluminium • something that happens over and over again • the number below the letter on the periodic table • ...

The Periodic Table Crossword 2022-06-21

The Periodic Table Crossword crossword puzzle
Across
  1. the horizontal row on the periodic table
  2. the group of elements
  3. The group of 7 elements
  4. negatively charged particles that move around the nucleus
  5. a pure substance containing one type of atom
  6. the smallest unit of a pure substance
  7. the vertical column on the periodic table
  8. element with the lowest atomic mass
Down
  1. a particle with no charge found in the nucleus
  2. a group of highly stable elements due to their full outer shell of electrons
  3. the number of protons and neutrons with an atom
  4. An element which has properties of both metals and non metals
  5. positively charged particles found in the nucleus of an atom

13 Clues: the group of elements • The group of 7 elements • element with the lowest atomic mass • the smallest unit of a pure substance • the horizontal row on the periodic table • the vertical column on the periodic table • a particle with no charge found in the nucleus • the number of protons and neutrons with an atom • a pure substance containing one type of atom • ...

Chemistry Crossword I 2025-12-01

Chemistry Crossword I crossword puzzle
Across
  1. there are 18 of these on the periodic table
  2. Can be a metal, not-metal or transition
  3. tells you how many elements are in a molecule
  4. are placed on energy level in an atom
  5. A property that is observed with senses
  6. Made of two or more elements chemically combined
Down
  1. A substance that cannot be separated into smaller parts
  2. A change where a new substance is formed
  3. the centre of an atom
  4. one of these of an element is represented by a symbol
  5. there are 7 of these on the periodic table
  6. number is calculated by subtracting atomic number from atomic mass
  7. equal to the atomic number

13 Clues: the centre of an atom • equal to the atomic number • are placed on energy level in an atom • Can be a metal, not-metal or transition • A property that is observed with senses • A change where a new substance is formed • there are 7 of these on the periodic table • there are 18 of these on the periodic table • tells you how many elements are in a molecule • ...

science crossword 2023-04-14

science crossword crossword puzzle
Across
  1. electron outside electrons
  2. worst subject
  3. neutral charge
  4. middle area
  5. neutron , proton or electron
  6. positive charge
Down
  1. negative charge
  2. table table of elements
  3. hydrogen
  4. good conductor of heat and energy

10 Clues: hydrogen • middle area • worst subject • neutral charge • negative charge • positive charge • table table of elements • electron outside electrons • neutron , proton or electron • good conductor of heat and energy

Physical science vocab words Crossword puzzle 2020-10-13

Physical science vocab words Crossword puzzle crossword puzzle
Across
  1. the center part of an atom which carries the electrons and protons.
  2. a chemical bond between to nonmetal atoms.
  3. the number of atoms in the chemical formula.
  4. the system of electrons located in the outside of the nucleus of an atom.
  5. a row of elements in the periodic table.
  6. a vertical column in the periodic table
  7. a group atoms connected to each other
  8. these types of elements do not conduct heat and electricity well and are located in groups 14-18.
  9. a negatively charged ion.
  10. an atom with more or less neutrons than it should carry.
  11. the number of neutrons and protons in an atom.
  12. the arrangement of electrons in energy levels around the nucleus.
  13. the mass of an atom.
  14. the outermost electron in an electron shell.
  15. an atom with a charge.
  16. Where oppositely charged ions attract each other and the valence electrons gets moved permanently.
  17. a subatomic particle that has no charge and is located in the nucleus of an atom.
  18. a chemical bond between a metal atom and a nonmetal atom.
  19. the number of protons located in the nucleus of an atom.
  20. a positively charged ion.
Down
  1. is a way of showing the elements in a compound and the formula for it.
  2. two or more atoms of different elements being held by a chemical bond.
  3. an atom with a positive charge.
  4. Formation of a chemical bond between two or more atoms.
  5. is a state of matter such as solid,liquid,gas,and plasma.
  6. metalloids are a types of elements that have characteristics in the middle of nonmetals and metals.
  7. a compound made of exactly 2 different elements.
  8. a chart that lists all the elements in the world.
  9. an atom with a negative charge.
  10. high conductivity for electricity and heat.They are usually hard but some very few metals can be soft.
  11. the building blocks of everything.
  12. columns of elements in the periodic table that have similar characteristics.
  13. elements from groups 1-2 and groups 13-18.
  14. a positively charged subatomic particle that is located in the nucleus of an atom.
  15. a subatomic particle that is located near the nucleus and flies around it this particle has a negative charge.
  16. properties of chemical elements in the periodic table.

36 Clues: the mass of an atom. • an atom with a charge. • a negatively charged ion. • a positively charged ion. • an atom with a positive charge. • an atom with a negative charge. • the building blocks of everything. • a group atoms connected to each other • a vertical column in the periodic table • a row of elements in the periodic table. • a chemical bond between to nonmetal atoms. • ...

Chemistry 2023-06-12

Chemistry crossword puzzle
Across
  1. an extremely small amount of a thing or quality
  2. a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
  3. a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
  4. an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times
  5. a substance made by mixing other substances together
  6. a chemical element or substance required in trace amounts for the normal growth and development of living organisms.
  7. the strength and vitality required for sustained physical or mental activity
  8. a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
  9. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  10. a dye obtained from certain lichens that is red under acid conditions and blue under alkaline conditions.
  11. its symbol in the periodic table is "Ti"
  12. the level of reactivity of a metal.
  13. a particular kind of matter with uniform properties
  14. the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
Down
  1. it contains an adequate amount of all the nutrients required by the body to grow, remain healthy and be disease-free.
  2. a colorless, odorless, highly flammable gas, the chemical element of atomic number 1
  3. its symbol in the periodic table is "k"
  4. is a process in which reactants react chemically and convert into products by chemical transformation
  5. its symbol in the periodic table is "Al"
  6. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
  7. a substance that changes when it is combined with another substance in a chemical reaction
  8. a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
  9. is the spatial arrangement of atoms in a molecule
  10. its symbol in the periodic table is "s"
  11. a substance that can accept hydrogen ions in water and can neutralize an acid.
  12. is a dimensionless quantity representing the amount of matter in a particle or object.

26 Clues: the level of reactivity of a metal. • its symbol in the periodic table is "k" • its symbol in the periodic table is "s" • its symbol in the periodic table is "Al" • its symbol in the periodic table is "Ti" • an extremely small amount of a thing or quality • is the spatial arrangement of atoms in a molecule • a particular kind of matter with uniform properties • ...

vocab for chem 2023-09-29

vocab for chem crossword puzzle
Across
  1. the 14 elements with atomic numbers from 90 to 103
  2. An abbreviation for an element or atom
  3. Contains nonmetals, 7 valence electrons in it's outermost energy level. Very reactive
  4. A change in matter that produces one or more new substances
  5. Elements that are good conductors of heat and electric current.
  6. gas to liquid
  7. an element or substance that is not a metal.
  8. has a definite volume, but not a definite shape.
  9. A change in a substance that does not change its identity
  10. the d-block elements are metals with typical metallic properties
  11. a substance made by mixing other substances together.
  12. Vertical column in the periodic table
  13. a thing that is composed of two or more separate elements; a mixture.
  14. depend on the amount of matter present
  15. do not depend on the amount of matter present
  16. number of protons
  17. a mixture in which the composition is not uniform throughout
  18. liquid to gas
  19. non-metals, group 18, the most non-reactive elements
  20. solid to liquid
  21. A mixture in which substances are evenly distributed throughout the mixture
  22. liquid to solid
  23. Characteristic that cannot be observed without altering the substance
Down
  1. metallic elements in group 2 of the periodic table which are harder than the alkali metals and are also less reactive
  2. process that changes one set of chemicals into another set of chemicals
  3. A solid that forms from a solution during a chemical reaction.
  4. no definite shape or volume
  5. Number of protons and neutrons
  6. Definite shape and volume
  7. The elements in Group 1 (lithium, sodium, potassium, rubidium, cesium, and francium)
  8. A pure substance made of only one kind of atom
  9. everything that takes up space and has mass
  10. A chart of the elements showing the repeating pattern of their properties
  11. easy to shape or bend
  12. the characteristics of a substance that can be observed or measured without changing the substance
  13. an element that has properties of both metals and nonmetals
  14. Matter that always has exactly the same composition
  15. smallest unit of matter
  16. The amount of space an object takes up
  17. horizontal row in the periodic table

40 Clues: gas to liquid • liquid to gas • solid to liquid • liquid to solid • number of protons • easy to shape or bend • smallest unit of matter • Definite shape and volume • no definite shape or volume • Number of protons and neutrons • horizontal row in the periodic table • Vertical column in the periodic table • An abbreviation for an element or atom • depend on the amount of matter present • ...

Element Properties CW 1 2023-10-13

Element Properties CW 1 crossword puzzle
Across
  1. the amount of mass a material has in a given volume
  2. has indefinite shape but definite volume
  3. has indefinite shape and indefinite volume
  4. change from a solid to a liquid
  5. Characteristics of matter that can be used to identify substances.
  6. the result of oxygen in the air reacting with the iron and causing erosion
  7. the shine of a metal
  8. elements in group 1 of the periodic table that are characterized as metals and only have one valence electron
  9. elements that have some properties of metals and some properties of nonmetals
  10. electron located in the outermost shell of an atom
  11. elements in group 18 of the periodic table that share similar properties such as a full outer electron shell
  12. anything that has mass and takes up space
  13. an element that lacks most of the properties of a metal
  14. the temperature at which a liquid becomes a gas
  15. the ability of an object to transfer heat
  16. any characteristic that gives a substance the ability to undergo a change that results in a new substance
Down
  1. the temperature at which a solid becomes a liquid
  2. change from a liquid to solid
  3. a characteristic of a material that you can observe or measure without changing the material
  4. the ability for metal to be drawn into wires
  5. has a definite shape and definite volume
  6. elements in group 17 of the periodic table that need only one electron to complete its outer electron shell
  7. a change in the identity of a substance due to the chemical properties of that substance
  8. change from a solid to a gas
  9. Elements that are good conductors of electricity and thermal energy and are often solid at room temperature.
  10. substances that can conduct electric currents under some conditions but not under other conditions
  11. elements in group 2 of the periodic table that are characterized as metals and only have two valence electrons
  12. the ability of an object to carry electric currents
  13. the ability for metal to be hammered, pressed or rolled into thin sheets
  14. change from a gas to a solid
  15. a change where the physical properties of a substance change but the substance does not change
  16. change from a liquid to a gas

32 Clues: the shine of a metal • change from a solid to a gas • change from a gas to a solid • change from a liquid to solid • change from a liquid to a gas • change from a solid to a liquid • has a definite shape and definite volume • has indefinite shape but definite volume • anything that has mass and takes up space • the ability of an object to transfer heat • ...

Elements Crossword Puzzle 2022-05-05

Elements Crossword Puzzle crossword puzzle
Across
  1. neutrally charged
  2. something made by Demtri Mendeleev to arrange the elemnts by their characteristics
  3. different elements that are chemically combined to make something new
  4. the building blocks of matter
  5. poor conductors located on the right side of the periodic table
  6. contain properties of metals and nonmetals
Down
  1. negative charged
  2. materials that are not chemically combined
  3. forms when 2 or more atoms are combined
  4. positvily charged
  5. located on the left side of the periodic table and are good conductors

11 Clues: negative charged • neutrally charged • positvily charged • the building blocks of matter • forms when 2 or more atoms are combined • materials that are not chemically combined • contain properties of metals and nonmetals • poor conductors located on the right side of the periodic table • different elements that are chemically combined to make something new • ...

8 - Period Table & Food and digestion v2021-02-08 2021-02-08

8 - Period Table & Food and digestion v2021-02-08 crossword puzzle
Across
  1. Vertical column on the Perodic Table
  2. Horizontal row on the Periodic Table
  3. Smallest particle that can be obtained in a chemical reaction
  4. A group of organs that carry out digestion.
  5. A way of writing out what happens in a chemical reaction.
Down
  1. Last group on the Periodic Table
  2. Substance made of two or more different types of atom bonded together
  3. Waste food material produced by the intestines.
  4. Temperature at which a liquid turns to a gas
  5. A substance that reacts together with another substance to form products during a chemical reaction.

10 Clues: Last group on the Periodic Table • Vertical column on the Perodic Table • Horizontal row on the Periodic Table • A group of organs that carry out digestion. • Temperature at which a liquid turns to a gas • Waste food material produced by the intestines. • A way of writing out what happens in a chemical reaction. • ...

Chemistry 2021-06-09

Chemistry crossword puzzle
Across
  1. gave modern periodic table
  2. Iron
  3. krypton
  4. CO
  5. first one to define atoms
  6. focus on temperature,volume
  7. Mg2+
Down
  1. bromine
  2. A negatively charged particle
  3. A positively charged particle
  4. Focus on pressure,volume
  5. silicon
  6. the numbers of protons
  7. outermost electrons
  8. CaCl2
  9. Cl-
  10. Thorium

17 Clues: CO • Cl- • Iron • Mg2+ • CaCl2 • bromine • silicon • krypton • Thorium • outermost electrons • the numbers of protons • Focus on pressure,volume • first one to define atoms • gave modern periodic table • focus on temperature,volume • A negatively charged particle • A positively charged particle

Properties of elements 2025-10-07

Properties of elements crossword puzzle
Across
  1. The number of protons in the nucleus of each element.
  2. The average mass of the nucleus of that element.
  3. Characteristics of elements that help to identify what they are.
Down
  1. An abbreviation for the name of an element on the periodic table.
  2. pure substance made of only one type of atom
  3. Elements arranged in vertical columns of the periodic table that share the same properties.
  4. The basic unit of matter made up of protons, neutrons, and electrons.
  5. Elements that are good conductors of electricity and thermal energy and are often solid at room temperature.
  6. Repeating rows of the periodic table that demonstrate patterns of how elements are arranged.

9 Clues: pure substance made of only one type of atom • The average mass of the nucleus of that element. • The number of protons in the nucleus of each element. • Characteristics of elements that help to identify what they are. • An abbreviation for the name of an element on the periodic table. • The basic unit of matter made up of protons, neutrons, and electrons. • ...

Periodic table 2022-10-12

Periodic table crossword puzzle
Across
  1. dioxide you breathe it out
  2. what teeth are made from
  3. swimming pools are cleaned with this
  4. bright lights
Down
  1. bananas are rich in this
  2. what bridges are made from
  3. you breathe it
  4. this is in batteries
  5. a strong bond
  6. canned foods are in this

10 Clues: a strong bond • bright lights • you breathe it • this is in batteries • bananas are rich in this • what teeth are made from • canned foods are in this • what bridges are made from • dioxide you breathe it out • swimming pools are cleaned with this

periodic table 2020-11-20

periodic table crossword puzzle
Across
  1. A
  2. g
  3. c
  4. i
Down
  1. a
  2. d
  3. H
  4. s
  5. p
  6. o

10 Clues: A • a • d • H • g • s • p • c • o • i

periodic table 2021-11-18

periodic table crossword puzzle
Across
  1. all metals except for boron
  2. very reactive but not as much
  3. 7 valence electrons
  4. has 5 valence electrons
  5. unreactive
Down
  1. has 6 valence electrons
  2. reactivity increases as you go down
  3. the moderate reactivity
  4. has 4 valence electrons

9 Clues: unreactive • 7 valence electrons • has 6 valence electrons • the moderate reactivity • has 5 valence electrons • has 4 valence electrons • all metals except for boron • very reactive but not as much • reactivity increases as you go down

Periodic table 2024-04-04

Periodic table crossword puzzle
Across
  1. The negative charge in an atom
  2. valence electrons charge in an atom
  3. The number of protons in a nucleus
  4. The positive charge in an atom
Down
  1. are the electrons on the outermost ring that determine an element's reactivity
  2. the quantity of matter contained in an atom of an element
  3. The different rows of elements
  4. The different columns of elements
  5. substance that cannot be broken down into smaller parts or changed into another substance.

9 Clues: The different rows of elements • The negative charge in an atom • The positive charge in an atom • The different columns of elements • The number of protons in a nucleus • valence electrons charge in an atom • the quantity of matter contained in an atom of an element • are the electrons on the outermost ring that determine an element's reactivity • ...

Periodic table 2024-04-04

Periodic table crossword puzzle
Across
  1. The negative charge in an atom
  2. valence electrons charge in an atom
  3. The number of protons in a nucleus
  4. The positive charge in an atom
Down
  1. are the electrons on the outermost ring that determine an element's reactivity
  2. the quantity of matter contained in an atom of an element
  3. The different rows of elements
  4. The different columns of elements
  5. substance that cannot be broken down into smaller parts or changed into another substance.

9 Clues: The different rows of elements • The negative charge in an atom • The positive charge in an atom • The different columns of elements • The number of protons in a nucleus • valence electrons charge in an atom • the quantity of matter contained in an atom of an element • are the electrons on the outermost ring that determine an element's reactivity • ...

Periodic Table 2024-05-03

Periodic Table crossword puzzle
Across
  1. building blocks of matter
  2. another name for a "column"
  3. all of the elements are organized in this
  4. another name for a "row"
  5. located at the center of the atom
Down
  1. the small number located below the element symbol
  2. the number in the top left corner of the element square
  3. always written with only one capital letter
  4. made of 2 or more elements

9 Clues: another name for a "row" • building blocks of matter • made of 2 or more elements • another name for a "column" • located at the center of the atom • all of the elements are organized in this • always written with only one capital letter • the small number located below the element symbol • the number in the top left corner of the element square

Periodic Table 2025-01-02

Periodic Table crossword puzzle
Across
  1. Building block of life
  2. Highly reactive halogen
  3. Gas used in neon signs
  4. the lightest element
  5. Noble gas found in balloons
Down
  1. Key component of pencil lead
  2. Element with symbol "Be"
  3. Element with atomic number 7
  4. Metal found in batteries
  5. Gas that supports life

10 Clues: the lightest element • Building block of life • Gas used in neon signs • Gas that supports life • Highly reactive halogen • Element with symbol "Be" • Metal found in batteries • Noble gas found in balloons • Key component of pencil lead • Element with atomic number 7

Periodic Table 2024-10-07

Periodic Table crossword puzzle
Across
  1. People put it in pools to keep algae from growing.
  2. Metal and Non-metal
  3. One of the two compounds in water and we need it to breath.
  4. Used to make the first atomic bomb
Down
  1. Hard, Ductile, Malleable
  2. In bananas
  3. Only non-metal that isn't position with the non-metals
  4. Used to make the second atomic bomb
  5. Named after the creator of the Periodic Table

9 Clues: In bananas • Metal and Non-metal • Hard, Ductile, Malleable • Used to make the first atomic bomb • Used to make the second atomic bomb • Named after the creator of the Periodic Table • People put it in pools to keep algae from growing. • Only non-metal that isn't position with the non-metals • One of the two compounds in water and we need it to breath.

periodic table 2025-05-12

periodic table crossword puzzle
Across
  1. c
  2. mg
  3. he
  4. h
Down
  1. b
  2. na
  3. o
  4. li
  5. ne

9 Clues: c • b • o • h • na • mg • he • li • ne

Chapter 9 Crossword 2019-09-10

Chapter 9 Crossword crossword puzzle
Across
  1. Number of protons
  2. Any of the possible energies an electron may have in an atom
  3. Have no charge
  4. Side that non-metals are found
  5. Have a positive charge
Down
  1. Last name of designer of the periodic table of elements
  2. An electron in the outermost energy level of an atom
  3. First name of designer of the periodic table of elements
  4. Side that metals are found
  5. Have a negative charge

10 Clues: Have no charge • Number of protons • Have a negative charge • Have a positive charge • Side that metals are found • Side that non-metals are found • An electron in the outermost energy level of an atom • Last name of designer of the periodic table of elements • First name of designer of the periodic table of elements • ...

Periodic Table Vocab 2024-01-25

Periodic Table Vocab crossword puzzle
Across
  1. The chart on which elements are listed
  2. Can be found at the top of a Element Card
  3. The most reactive group
  4. Horizontal rows on a periodic table
Down
  1. The sign for a element
  2. Vertical columns on a periodic table
  3. Chart of a atom that shows the scientific Symbol and Valence Electrons
  4. Can be found below an element's symbol
  5. The Least reactive group
  6. The smallest form of a element

10 Clues: The sign for a element • The most reactive group • The Least reactive group • The smallest form of a element • Horizontal rows on a periodic table • Vertical columns on a periodic table • The chart on which elements are listed • Can be found below an element's symbol • Can be found at the top of a Element Card • ...

English Crossword 2025-08-06

English Crossword crossword puzzle
Across
  1. it’s to protect your hands
  2. all the energy an object has because of it’s motion
  3. subatomic particle that is in the atom’s nucleus
  4. you put it around your head to protect your eyes
  5. means something is dangerous
  6. most simple element in the periodic table
  7. a vertical column in the periodic table
Down
  1. it protects your whole body
  2. it stops a fire
  3. it helps to see small things

10 Clues: it stops a fire • it’s to protect your hands • it protects your whole body • it helps to see small things • means something is dangerous • a vertical column in the periodic table • most simple element in the periodic table • subatomic particle that is in the atom’s nucleus • you put it around your head to protect your eyes • ...

MM 1 revision 2022-08-31

MM 1 revision crossword puzzle
Across
  1. Chemical compounds that change colour according to the pH of the solution it is in.
  2. Involving a net absorption of energy
  3. Negative particles found outside the nucleus of an atom.
  4. A chemical formula that shows the ratio of the number of atoms in a compound. ________ formula.
  5. Atoms of the same element which have different numbers of neutrons in their nuclei.
Down
  1. The point at which a reversible reaction takes place at exactly the same rate in both directions.
  2. Vertical columns of elements in the periodic table.
  3. Horizontal rows of elements in the periodic table
  4. A substance that speeds up the rate of another reaction but is not used up or changed itself.
  5. A solid material produced from a solution
  6. One of the six unreactive gases found in group 0 of the periodic table. They have a complete outer shell of electrons, e.g. neon, argon, helium. _______ gases.
  7. A substance that contains water
  8. Bond formed when atoms join together by sharing electrons. _______ bonds.
  9. The mass of an atom compared with an atom of C. This is usually the same as or very similar to the mass number of the element. _________ atomic mass.

14 Clues: A substance that contains water • Involving a net absorption of energy • A solid material produced from a solution • Horizontal rows of elements in the periodic table • Vertical columns of elements in the periodic table. • Negative particles found outside the nucleus of an atom. • Bond formed when atoms join together by sharing electrons. _______ bonds. • ...

Chemistry Crossword! 2021-05-04

Chemistry Crossword! crossword puzzle
Across
  1. A column in The Periodic Table
  2. A row in The Periodic Table
  3. Center of an atom
  4. Negatively charged particle
Down
  1. Atoms with different numbers of neutrons
  2. Particle with no charge
  3. Positively charged particle
  4. Atoms with different numbers of electrons

8 Clues: Center of an atom • Particle with no charge • Positively charged particle • A row in The Periodic Table • Negatively charged particle • A column in The Periodic Table • Atoms with different numbers of neutrons • Atoms with different numbers of electrons

Matter and Change (Chapter 1) 2015-09-10

Matter and Change (Chapter 1) crossword puzzle
Across
  1. anything that has mass and takes up space
  2. the smallest unit of an element that maintains the chemical properties of that element
  3. of State the change of a substance from one physical state to another
  4. an element that has properties of both metals and nonmetals and is sometimes referred to as a semiconductor
  5. Property a characteristic of a substance that does not involve a chemical change such as density, hardness or color
  6. an element that conducts heat and electricity poorly and that does not form positive ions in an electrolytic solution
  7. a vertical column of the periodic table
  8. the state of matter that has a definite volume but not a definite shape
  9. the state of matter in which the volume and shape of a substance are fixed
Down
  1. a form of matter that does not have a definite volume or shape
  2. a substance or molecule that participates in a chemical reaction
  3. an element that is shiny and that conducts heat and electricity well
  4. a substance made up of atoms of two or more different elements joined by chemical bonds
  5. a vertical column of elements in the periodic table that share similar chemical properties
  6. the scientific study of the composition, structure and properties of matter and the changes that it undergoes
  7. Property a property of matter that describes a substances ability to participate in chemical reactions
  8. a substance that cannot be separated or broken down into simpler substances by chemical means
  9. a measure of the amount of matter in an object
  10. a horizontal row of elements in the periodic table

19 Clues: a vertical column of the periodic table • anything that has mass and takes up space • a measure of the amount of matter in an object • a horizontal row of elements in the periodic table • a form of matter that does not have a definite volume or shape • a substance or molecule that participates in a chemical reaction • ...

Periodic Table 2023-08-25

Periodic Table crossword puzzle
Across
  1. / Each element is represented by one __ on the Periodic table
  2. / with one or two-letter chemicals __
  3. / What makes the periodic table really in is its valuable use as a(n) __ tool
  4. / You can predict a lot about the chemical __ of an element if you known where it is on the periodic table
Down
  1. / The __ is the most powerful tool chemists have for organizing chemical information.
  2. Mass / and below the symbol are the full name of the element , and its __
  3. / on a square, above the chemical symbol is the __ of the element

7 Clues: / with one or two-letter chemicals __ • / Each element is represented by one __ on the Periodic table • / on a square, above the chemical symbol is the __ of the element • Mass / and below the symbol are the full name of the element , and its __ • / What makes the periodic table really in is its valuable use as a(n) __ tool • ...

science vocabulary! Created by: Javon Bowser! 2021-10-12

science vocabulary! Created by: Javon Bowser! crossword puzzle
Across
  1. positively charged particles
  2. amount of matter in a substance
  3. the degree of compactness of a substance
  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. any substance that cannot be decomposed into simpler substances by ordinary chemical processes
  6. theory consisting of a positively charged nucleus with electrons revolving around it in any of many possible circular orbits each corresponding to a distinct energy state
  7. atoms are completely apart in this state of matter
  8. the central part of an atom that comprises nearly all of the atomic mass and that consists of protons and neutrons
Down
  1. composed of or resulting from union of separate elements
  2. atoms are compressed together during this state of matter
  3. the mass of an atom of a chemical element expressed in atomic mass units
  4. neutral charged particles
  5. is often referred to as the Father of the Periodic Table
  6. negatively changed particles
  7. cloud molecule a group of electrons circulating around a nucleus/molecule
  8. atoms are slightly spread out in this state of matter
  9. a table of chemical elements arranged in order
  10. basic unit of matter

18 Clues: basic unit of matter • neutral charged particles • positively charged particles • negatively changed particles • amount of matter in a substance • the degree of compactness of a substance • a table of chemical elements arranged in order • atoms are completely apart in this state of matter • atoms are slightly spread out in this state of matter • ...

Science Periodic Table Puzzle 2022-05-06

Science Periodic Table Puzzle crossword puzzle
Across
  1. less active metals often used in coins
  2. combinations of metallic elements
  3. nonmetals that are stab le and gases at room temperature
  4. have characteristics of metals and nonmetals
  5. a tool used by chemists to categorize the elements
Down
  1. shiny, malleable,good conductors
  2. The 18 vertical columns of the periodic table
  3. the 8 horizontal rows of the periodic table
  4. dull, poor conductors
  5. highly reactive metals with 1 extra electron

10 Clues: dull, poor conductors • shiny, malleable,good conductors • combinations of metallic elements • less active metals often used in coins • the 8 horizontal rows of the periodic table • highly reactive metals with 1 extra electron • have characteristics of metals and nonmetals • The 18 vertical columns of the periodic table • a tool used by chemists to categorize the elements • ...

Chemistry 2017-02-07

Chemistry crossword puzzle
Across
  1. a characteristic of a substance
  2. a subatomic particle with a negative charge
  3. a subatomic particle with no charge
  4. the number of protons or electrons
Down
  1. a change that results in a new substance
  2. a subatomic particle with a positive charge
  3. substances that can't be broken down into a simpler form
  4. horizontal rows on the periodic table
  5. how compact a substance is
  6. columns of elements on the periodic table

10 Clues: how compact a substance is • a characteristic of a substance • the number of protons or electrons • a subatomic particle with no charge • horizontal rows on the periodic table • a change that results in a new substance • columns of elements on the periodic table • a subatomic particle with a positive charge • a subatomic particle with a negative charge • ...

The Periodic table of elements 2024-01-11

The Periodic table of elements crossword puzzle
Across
  1. table Organized chart with elements
  2. metal Not a good conductor of heat
  3. Both a non metal and metal
  4. Smallest unit of an element
  5. Mendeleev Person who organized the periodic table
Down
  1. Symbol The letters you see that abbreviate the elements
  2. A substance that can be broken down
  3. substance A substance that stands alone
  4. A conductor of heat and is luster
  5. A substance that can not be broken down

10 Clues: Both a non metal and metal • Smallest unit of an element • A conductor of heat and is luster • metal Not a good conductor of heat • A substance that can be broken down • table Organized chart with elements • substance A substance that stands alone • A substance that can not be broken down • Mendeleev Person who organized the periodic table • ...

Atoms and the periodic table 2026-01-22

Atoms and the periodic table crossword puzzle
Across
  1. Regions where electrons are arranged around the nucleus
  2. Neutral particle in the nucleus
  3. Element that conducts electricity and is malleable
  4. Vertical column in the periodic table
  5. Positively charged particle in the nucleus
Down
  1. Negatively charged particle orbiting the nucleus
  2. Smallest unit of matter
  3. Element that is brittle and a poor conductor
  4. Horizontal row in the periodic table
  5. Substance made of two or more different elements chemically bonded

10 Clues: Smallest unit of matter • Neutral particle in the nucleus • Horizontal row in the periodic table • Vertical column in the periodic table • Positively charged particle in the nucleus • Element that is brittle and a poor conductor • Negatively charged particle orbiting the nucleus • Element that conducts electricity and is malleable • ...

Scientific Crossword 2013-04-19

Scientific Crossword crossword puzzle
Across
  1. the element under hydrogen
  2. has 8 valence electrons
  3. atomic symbol is B and its atomic number is 5
  4. discovered in 1898 chemical symbol
Down
  1. has the secound smallest atomic number
  2. is the very first element of the periodic table
  3. has 1 valence elctron
  4. horizonal on the periodic table
  5. its atomic number is 10 it is a noble gas

9 Clues: has 1 valence elctron • has 8 valence electrons • the element under hydrogen • horizonal on the periodic table • discovered in 1898 chemical symbol • has the secound smallest atomic number • its atomic number is 10 it is a noble gas • atomic symbol is B and its atomic number is 5 • is the very first element of the periodic table

Scientific Crossword 2013-04-19

Scientific Crossword crossword puzzle
Across
  1. atomic symbol is B and its atomic number is 5
  2. is the very first element of the periodic table
  3. has 1 valence elctron
  4. has the secound smallest atomic number
Down
  1. discovered in 1898 chemical symbol
  2. has 8 valence electrons
  3. horizonal on the periodic table
  4. the element under hydrogen
  5. its atomic number is 10 it is a noble gas

9 Clues: has 1 valence elctron • has 8 valence electrons • the element under hydrogen • horizonal on the periodic table • discovered in 1898 chemical symbol • has the secound smallest atomic number • its atomic number is 10 it is a noble gas • atomic symbol is B and its atomic number is 5 • is the very first element of the periodic table

Chemistry 2023-11-09

Chemistry crossword puzzle
Across
  1. particle that contains protons, neutrons, and electrons
  2. change when chemical bonds are formed or broken
  3. bonds links between atoms in a substance that determines its identity
  4. bond distributed electrons
Down
  1. bonds transfer electrons
  2. left of the periodic table
  3. formula letters and numbers that create a formula
  4. rule atoms with fewer or more than 8 electrons in the outermost shell
  5. bonds share electrons
  6. group of atoms held together with chemical bonds
  7. right of the periodic table

11 Clues: bonds share electrons • bonds transfer electrons • left of the periodic table • right of the periodic table • bond distributed electrons • change when chemical bonds are formed or broken • formula letters and numbers that create a formula • group of atoms held together with chemical bonds • particle that contains protons, neutrons, and electrons • ...

Station #4 - Brain Break 2025-09-02

Station #4 - Brain Break crossword puzzle
Across
  1. how many valence electrons a noble gas has
  2. columns on the periodic table
  3. this is how easily an atom loses an electron
  4. the force that holds two atoms together
  5. an atom that loses electrons
Down
  1. there is a periodic repetition of chemical and physical properties of the elements when they are arranged by increasing atomic number
  2. rows on the periodic table
  3. this rule states that atoms tend to gain, lose, or share electrons in order to acquire eight valence electrons
  4. this structure can be used to illustrate the formation of chemical bonds
  5. an atom that gains electrons

10 Clues: rows on the periodic table • an atom that gains electrons • an atom that loses electrons • columns on the periodic table • the force that holds two atoms together • how many valence electrons a noble gas has • this is how easily an atom loses an electron • this structure can be used to illustrate the formation of chemical bonds • ...

SOL 6.5b Relearning Matter Crossword 2021-12-01

SOL 6.5b Relearning Matter Crossword crossword puzzle
Across
  1. How many electrons does tin have?
  2. Use your periodic table. How many protons does Calcium have?
  3. an element is a substance made up of ____ kind of atom.
  4. _______symbol distinguishes elements from other elements on the periodic table.
  5. how many neutrons does florine have?
Down
  1. a chemical ___________ is an abbreviation of the chemical name.
  2. the first letter in a chemical symbol is always a capital letter. if there is a 2nd letter, it is always ________ case
  3. the atomic __________ distinguishes elements from other elements on the periodic table.

8 Clues: How many electrons does tin have? • how many neutrons does florine have? • an element is a substance made up of ____ kind of atom. • Use your periodic table. How many protons does Calcium have? • a chemical ___________ is an abbreviation of the chemical name. • _______symbol distinguishes elements from other elements on the periodic table. • ...

Science Project 2022-05-16

Science Project crossword puzzle
Across
  1. in which heat is directly transmitted
  2. is used to separate mixtures
  3. the movement caused within a fluid
  4. energy as an attribute of physical
  5. a single particle
  6. when a energy goes down heal
  7. Gas,Liquid,solid
Down
  1. when a substance combines with another
  2. the action or process of moving
  3. Periodic of the ___
  4. a coherent, typically large body of matter
  5. Holds all the elements
  6. stores energy at the top
  7. people use ___ to work
  8. the emission of energy as waves

15 Clues: Gas,Liquid,solid • a single particle • Periodic of the ___ • Holds all the elements • people use ___ to work • stores energy at the top • is used to separate mixtures • when a energy goes down heal • the action or process of moving • the emission of energy as waves • the movement caused within a fluid • energy as an attribute of physical • in which heat is directly transmitted • ...

INTRODUCTION TO CHEMISTRY 2021-11-22

INTRODUCTION TO CHEMISTRY crossword puzzle
Across
  1. was the year in which PET was formed
  2. is the main component of Talcum powder .
  3. Dalton proposed the atomic theory
  4. is the non toxic mineral that the core of the pencil
  5. is an Antibiotic medicine
  6. periodic table has been updated to include 92 naturally occurring elements and 26 synthesized elements.
  7. are substances that contain sulphates of compound fertilizers help to increase the production of food.
Down
  1. the year in which the eraser was created
  2. Laurent Lavoisier identified and named Oxygen in 1778
  3. acid is used in cheese as a preservative
  4. created the periodic table
  5. was the first fiber created ?
  6. is neither loss nor created

13 Clues: is an Antibiotic medicine • created the periodic table • is neither loss nor created • was the first fiber created ? • Dalton proposed the atomic theory • was the year in which PET was formed • is the main component of Talcum powder . • acid is used in cheese as a preservative • the year in which the eraser was created • ...

Chap 3 Crossword 2020-05-12

Chap 3 Crossword crossword puzzle
Across
  1. A weighted average of the mass of the isotopes of the element (3 words)
  2. Has a charge
  3. Integer counting the total number of heavy particles (protons and neutrons) in the nucleus (2 words)
  4. Very stable, nonreactive elements (2 words)
  5. _______________ _____________ elements comprise of groups 1A to 8A in the periodic table
Down
  1. Each element is made of tiny building blocks, __________. John Dalton thought they were indivisible
  2. The __________ stays the same before and after a chemical reaction, indicating that atoms are not created, nor destroyed
  3. Each element has a unique ________ ____________, an integer that counts the number of protons in the atom
  4. ___________ of the same element have the same number of protons but different number of neutrons
  5. Below and left of the zigzag line, the periodic table is made of elements known as __________
  6. A vertical alignment in the periodic table, made of elements that tend to have similar properties

11 Clues: Has a charge • Very stable, nonreactive elements (2 words) • A weighted average of the mass of the isotopes of the element (3 words) • _______________ _____________ elements comprise of groups 1A to 8A in the periodic table • Below and left of the zigzag line, the periodic table is made of elements known as __________ • ...