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Worksheetsstructure of an atom
Total questions: 18
Worksheet time: 9mins
The first person to propose the idea of an "atom" was
Aristotle
John Dalton
Sleepy McWilliams
Democritus
Aristotle believed that
Democritus' ideas were right
Empty space could not exist
Pineapple doesn't belong on pizza
Democritus needed more proof
An atom is
the smallest ion of any element.
the largest particle that can be seen under a conventional microscope.
the smallest particle of a.n element that still retains all of the properties of that element
a particle that make up a cheeseburger.
William Crookes used a ________________ to determine that electrons had a negative charge.
television
cathode ray tube
catheter ray bulb
pork kabob
A proton carries what charge?
neutral
positive
negative
pineapple pizza? Really who DOES THAT!?
The number of protons in atom determine its
atomic weight
atomic number
average atomic mass
love of bbq ribs
Neutrons carry what charge?
positive
negative
Neutrons love a good plate of moo shu pork.
neutral
An elements mass number is
the number of electrons added to the number of ions.
the number of protons and neutrons in the nucleus.
Where you can find it on the menu.
the number of electrons and neutrons divided by pi.
Atomic mass units are equivalent to
1/12 the mass of a carbon-12 atom.
3/4 the mass of a uranium-238 atom.
the calories in a jumbo bucket of fried chicken.
1/16 the mass of a carbon-12 atom
The weighted average mass of the isotopes of an element.
atomic mass
atomic estimate
atomic average
dinner special number 12
Rays and particles emitted by radioactive material are
radiation
radiators
radiance
grilled stingray
A reaction that involves a change in an atom's nucleus is
an atomic explosion
a nuclear reaction
a radioactive occurrence
a bbq bacon explosion
Electrons carry what charge?
positive
negative
neutral
someone ruined this pizza.
Unstable nuclei lose energy by emitting radiation in a spontaneous process called
nuclear waste
radiation emission
radioactive decay
I stay awake at night thinking about how someone could make an atrocity like pineapple pizza
On the periodic chart, the first number listed for an element is it's
atomic mass unit
total number of electrons
atomic number
bacon cheeseburgers are superior to pizza.
The center of an atom is its
atomic center
radioactive region
nucleus
tacos tacos tacos
He's credited with discovery of the electron
J.J. Cale
J.J. Thomson
J.J. Walker
Col. Harland Sanders
The cathode ray tube led to the development of
radio
nuclear energy
television sets
meatloaf
