Type
Word Search
Description

Atom
Atomic Number
Bohr Diagram
Mass
Nucleaus
Nucleus
Nuetrons
Proton
Science
Tin

Atomic Structure Word Search

Type
Word Search
Description

orbital
energy levels
plum pudding
aristotle
democritus
ion
isotopes
subatomic
nucleus
element
bohr
positive
negative
rutherford
electron cloud
thomson
dalton
atomic mass
electrons
atomic number
neutrons
protons
atoms

Atomic Structure Crossword Puzzle

Type
Crossword
Description

The smallest unit of an element that maintains the properties of that element. Atom
A subatomic particle that has no change and that is found in the nucleus of an atom. neutron
A region around the nucleus of an atom whose electrons are likely to be found. electron cloud
A unit of mass that describes the mass of an atom or molecule. atomic mass unit
An atom's central region, which is made up of protons and neutrons. nucleus
An atom that has the same number of protons/atomic number as other atoms of the same element do but that has a different number of neutrons/atomic mass. isotope
The mass of an atomn expressed in atomic mass units. atomic mass
A subatomic particle that has a positive charge and that is found in the nucleus of an atom. proton
A subatomic particle that has a negative charge. electron
The sum of the number of protons and neutrons in the nucleus of an atom. mass number
The number of protons in the nucleus of an atom; the atom's number is the same for all atoms of an element. atomic number
Plays in radioactive atoms that changes a neutron to a proton or electron. weak force
A type of physical that occurs between electrically charged particles. electromagnetic force
The force that holds particles together in the atomic nucleus. strong force
A force that attracts any objects with mass. gravitational force

atoms and molecules Word Search

Type
Word Search
Description

oxygen atom
water molecule
sodium chloride
electrical charge
neon
quark
isotope
energy level
matter
chemical bond
ionic bond
covalent bond
nuclear force
electromagnetic force
hydrogen
bohr model
atomic theory
elements
periodic table
carbon
nobel gases
ion
electron cloud
orbitals
atomic mass
subatomic particle
nucleus
neutron
electron
proton

Unit 3: Atomic Theory and Electrons in Atoms Word Search

Type
Word Search
Description

saul will pass
atomic number
mass number
solar system
plum pudding
solid sphere
chadwick
bohr
rutherford
thompson
dalton
isotope
frequency
energy
wavelength
lewis dot structure
valence electrons
ring
shell
electron
neutron
proton
atom
nucleus
electron configuration

8th Grade Science Crossword

Type
Crossword
Description

Number of protons in the nucleus of an atom atomic number
A stable subatomic particle electron
A cloudlike group of electrons electroncloud
A substance consisting of atoms which all have the same number of protons element
The time required for a quantity to reduce to half its initial value halflife
Any one of various forms in which the atoms of a chemical element can occur isotope
The total number of protons and neutrons in a nucleus massnumber
A subatomic particle of about the same mass as a proton but without an electric charge neutron
A very small particle of matter that is part of the nucleus of an atom and that has a positive electrical charge Proton
A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity metal
An element or substance that is not a metal nonmetal
A nonmetal that can combine with a metal to form an alloy metalloid
The smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule atom

Atom Crossword

Type
Crossword
Description

Who first suggested the existence of the atom Democritus
He found that the rays were attracted by positively charged metal plates but repelled by negatively charged ones. Thomson
He did not confirm Thomson's model: used gold foil in experiment. Rutherford
Electrons ---------------- the positively charged nucleus. orbit
His model postulated the existence of energy levels or shells of electrons. Bohr
Believed all matter was made from fire, water, air earth. Aristotle
Sub-atomic particles found in protons and neutrons. quarks
The number of protons and neutrons in an element is -------. equal
These sub particles are positive. protons
The sub particles are negatively charged. electrons
On an atomic model electrons are noted on an electron ----------- cloud
Protons plus neutrons equal ---------- --------- atomic mass
The center of an atom is called the ---------. nucleus
The number of electrons is the same as an atom's -------- ----------- atomic number
To find the number of neutrons in an atom, you ------- the number of protons from the atomic mass number for the element. subtract
Atomic mass is usually a ------ number decimal
Matter -------- ------- be created or destroyed. cannot
Isotopes have the same number of protons but a --------- number of neutrons. different
Only ----- electrons can be in the inner most orbit. two
Each element has its own -------- properties
This microscope can be used to see an atom STM
The ------- -------- shows the organization of all known elements Periodic Table
You find the ---------- atomic mass of isotopes to determine atomic weight o that element average
The symbol for gold is Au
The symbol for hydrogen is ----- H
Calcium has --------- protons. twenty

First 20 elements on the periodic table Crossword

Type
Crossword
Description

Number 1 on the atomic scale hydrogen
have 2 protons helium
Li on the periodic table lithium
Be on the periodic table beryllium
atomic mass 10.811 boron
6 protons, 6 nuetrons and 6 electrons carbon
N on the periodic table nitrogen
What we breathe oxygen
9 protons flourine
atomic mass 20.2 neon
what salt is composed of sodium
atomic number is 12 magnesium
Al on the periodic table aluminium
14 electrons silicon
P on the periodic table phosphoros
atomic mass 32.1 sulfur
what we have in some pools chlorine
18 electrons argon
K on the periodic table potassium
Milk has this element calcium

atoms Crossword

Type
Crossword
Description

the smallest component of an element atom
Dense, positively charged mass at the center of an atom. nucleus
Positively charged subatomic particle found in the nucleus. proton
Neutral subatomic particle found in the nucleus. neutron
Negatively charged subatomic particle found outside the nucleus. electron
The sum of the protons and neutrons in the nucleus of an atom. mass number
This number identifies the element and is equal to the number of protons found in the nucleus. atomic number
An atom with a charge (unequal number of protons and electrons) ion
Versions of the same element with different numbers of neutrons. isotopes
The possible energies that an electron in an atom can have. energy levels
The weighted average mass of all of an element's isotopes' mass numbers (usually a decimal). atomic weight
A visual model showing the most likely locations for the electrons in an atom. electron cloud
The arrangement of electrons around the nucleus of an atom. electron configuration
When all of the electrons in an atom have their lowest possible energies. ground state
the property of a body that causes it to have weight mass
the property of something that is great in magnitude volume
a stable particle with positive charge proton
an elementary particle with negative charge electron
of or relating to constituents of the atom or forces within the atom subatomic
(nontechnical usage) a tiny piece of anything particle

Atomic Structure Word Search

Type
Word Search
Description

Negative
Element
Erwin
Chadwick
Neutrons
Atomic mass
Electron cloud
Positive
Nucleus
Ion
Plum pudding
Atoms
Atomic number
Dalton
Rutherford
Bohr
Subatomic
Democritus
Energy levels
Protons
Electrons
Thomson
Isotopes
Aristotle
Orbital

Atoms and elements Cross word

Type
Crossword
Description

The negatively charged particle in the electron cloud. Electron
A particle in the nucleus that is positively charged Proton
A particle in the nucleus with a neutral, or no charge Neutron
A tiny, dense positively charged region in the center of an Atom Nucleus
Particles, like protons, neutrons, and electrons that are smaller than atoms Subatomic particles
Regions inside the Atom where electrons are likely to be found. This model developed by Schrodinger, is called Quantum Theory Electron Cloud
The number of protons in an element Atomic Number
The average of the masses the neutrally occurring isotopes in element Atomic mass
The arrangement of elements on a table based on their atomic number Periodic table
A column on the periodic table, also called a family containing elements with the same number of Valence electrons Chemical group
one of a hundred or so pure substances that cannot be broken down into simpler substances Element