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WorksheetsThe Atom
Total questions: 21
Worksheet time: 10mins
An Isotope is...
An Italian ice cream flavor
A different stable type of atoms with varying number of electrons
A different stable type of atoms with varying number of protons
A different stable type of atoms with varying number of neutrons
A different atom that is not on the periodic table
What are 2 differences between a proton and an electron?
Protons have a negative charge while electrons have a positive charge
Protons have a positive charge while neutrons have a negative charge
Protons have a positive charge while electrons have a negative charge
Protons are much bigger than neutrons
Protons are much bigger than electrons
True or False:
Atoms are mostly empty space?
False
True
How do you obtain the atomic weight of an atom?
You add the number of protons and the number of neutrons in an atom
You put the atom on a miniature scale
You add the number of protons and the number of electrons in an atom
You add the number of electrons and the number of neutrons in an atom
What is the difference between Bohr's atomic model and Rutherford's atomic model?
Rutherford atomic model separates his electrons into energy layers and Bohr's separates his into individual loops
Bohr's atomic model separates his electrons into energy layers and Rutherford separates his into individual loops
Bohr's atomic model separates his protons into energy layers and Rutherford separates his into individual loops
Rutherford atomic model separates his protons into energy layers and Bohr's separates his into individual loops
What defines a atom to be an element?
The amount of electrons in the atom
The amount of neutrons in the atom
The amount of electrons, protons and neutrons in an atom
The amount of protons in the atom
Boron has an atomic number of 5, meaning Boron 9 would have __ protons and __ neutrons.
4 protons and 5 neutrons
5 protons and 9 neutrons
5 protons and 4 neutrons
5 protons and 4 electrons
There is always the same number of protons and electrons in an atom
True
False
What's the difference between a stable atom and an unstable atom?
A stable atom's nucleus doesn't change naturally, while a unstable atom's does
A stable atom has a bigger nucleus than a unstable atom
Unstable atoms don't have electrons
Unstable atoms can move around, while stable atoms stay in one spot
The word atom first came from the Greek word indivisible. Which Greek philosopher originally invented the theory of the atom?
Arestitle
Aristotle
Democratus
Democritus
In 1911, Ernest Rutherford discovered...
How to find the atomic weight of an atom
The microwave
The electron and the proton
That atoms have a nucleus
What is the name of the region around an atom's nucleus in which electrons are likely to be found?
The plum putting model
the electron cloud
The plum putting zone
The plum putting cloud
"Subatomic" means...
The size of an atom
Bigger than an atom
Smaller than an atom
A combination of negative atoms that forms electricity
A compound is...
A substance formed by 2 elements
The ingredients to make paint
The formula used to weigh atoms
The machine used to weigh atoms
Aristotle was...
The discoverer of the proton
A partner to Rutherford in his discovery of the nucleus
A Greek philosopher who set back science for almost 2000 years.
The inventor of the atomic theory
True or false: There are things smaller than atomic particles
True
False
The periodic table's rows signify...
The amount of mass in each atom
The amount each atom weights
How much neutrons can fit in the nucleus
The number of electrons that fit in each energy ring
Neon has an atomic number of 10, meaning Neon 14 would have __ protons and __ neutrons
14 protons and 14 neutrons
10 protons and 4 neutrons
10 protons and 14 neutrons
0 protons and 14 neutrons
Neutrons are to protons as (a) is to science projects
True or false: All matter is made up of atoms
False
True
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