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WorksheetsAtoms Practice
Total questions: 64
Worksheet time: 32mins
Oxygen has an atomic number of 8. What can you conclude from this fact?
An atom of oxygen has 8 protons
An atom of oxygen has 8 positirons
An atom of oxygen has 4 protons and 4 electrons
An atom of oxygen weighs 8 grams
What two types of particles exist within an atomic nucleus?
Electrons and neutrinos
Neutrons and nuclei
Protons and neutrons
Positrons and neutrinos
Normal neutral iron usually has:
26 protons, 29 neutrons, 26 electrons
26 protons, 30 neutrons, 28 electrons
26 protons, 30 neutrons, 26 electrons
30 protons, 26 neutrons, 26 electrons
How many neutrons are seen in Phosphorus-31?
15
16
30.974
31
The smallest particle of an element.
Element
Molecule
Atom
These will determine what type of element an atom is
number of neutrons
number of electrons
number of atoms
number of protons
The number 16 for the atomic element sulfur is the
ionic number
isotope
atomic mass
atomic number
How many protons does sulfur have?
32
16
48
12
How many electrons does a sulfur -2 ion have?
14
16
18
32
48
In a neutral atom, the number of protons is equal to the number of ____________.
energy levels
neutrons
neurons
electrons
What is the mass number of the most common type of "F"
9
18
17
19
What is the mass number of Bromine (atomic number = 35)?
35
45
79
80
How many neutrons does Hydrogen-3 contain?
1
2
3
0
How many electrons does a neutral atom of Iodine have?
53
126
73
179
How many neutrons does the most common isotope of oxygen (Oxygen-16) have?
8
16
24
7.999
How many electrons does a Copper +2 ion have?
27
29
31
60
What is the 32.065 for Sulfur?
atomic number
mass number
atomic mass
number of electrons
Atomic mass is
the total number of neutrons and protons in an atom
the total number of neutrons in an atom
the weight of just the neutrons and protons in an atom
the average mass of an atom of that type of element
Both Matter and Energy have mass and volume
True
False
Energy takes up space and has mass
True
False
Which is a 'testable guess'?
Hypothesis
Theory
Control Group
Independent Variable
Which is a guess that has been tested multiple times and has never been shown to be false?
Hypothesis
Theory
Control Group
Independent Variable
Which is a comparison that differs by one variable from another test?
Hypothesis
Theory
Control Group
Independent Variable
Which is the one factor that you purposely change in an experiment?
Hypothesis
Dependent variable
Control Group
Independent Variable
Which is the thing that you measure to determine whether the variable you changed has an effect?
Hypothesis
Dependent variable
Control Group
Independent Variable
What do you call an atom that has a different amount of neutrons from an atom of the same type?
ion
isotope
neutrotype
What do you call an atom that has a different amount of electrons from an atom of the same type?
ion
isotope
electrotype
What is the mass of a proton?
much less than 1 amu
much more than 1 amu
about 1 amu
about 1 gram
If an atomic nucleus was about the size of a small marble, it would weigh as much as
a marble
a bowling ball
a dust speck
200 cars
If an atomic nucleus was the size of a small dot on your paper, the closest electron would be
a cm away
a foot away
a hundred yards away
Opposite charges
attract
repel
neither attract or repel
Two negative charges would
attract
repel
neither attract or repel
an electron and proton have
the same magnitude of charge
a different magnitude of charge
the same type of charge
What keeps an electron from flying away from a nucleus?
string
charge attraction to the nucleus
gluons
magic
Who was the first to come up with an idea that matter was made of tiny recyclable particles
Rutherford
Dalton
Lavoisier
Thomson
Kanada or Democritus
Who was the first to do experiments to come up with the idea of the Law of Conservation of Matter/Mass
Rutherford
Dalton
Lavoisier
Thomson
Kanada or Democritus
Who was the first to come up with a precise statement about atoms, that was built upon experimental evidence, and talked about how atoms were similar, different, and could form compounds
Rutherford
Dalton
Lavoisier
Thomson
Kanada or Democritus
Who was the first to do experiments that showed the atom was mostly empty space with its mass mostly concentrated in an un-imaginably dense nucleus
Rutherford
Dalton
Lavoisier
Thomson
Kanada or Democritus
What is happening when you touch someone with your fingertip?
your atoms are bonding to theirs
your atoms are physically touching theirs
you are actually repelling them with your finger
It is actually true that if you could magnify things enough, you would see that you are actually hovering above your chair
True
False
Which atomic model is actually the most accurate
the Democritus/Kanada model
the Bohr electron shell model
the quantum wave model
Which atomic model depicts electrons acting like particles moving in circular orbits around a nucleus?
the Democritus/Kanada model
the Bohr electron shell model
the quantum wave model
the Thomson plum pudding model
Which atomic model depicts electrons acting like both waves and particles so that they exist in weird shaped orbitals
the Democritus/Kanada model
the Bohr electron shell model
the quantum wave model
the Thomson plum pudding model
Which atomic model does not contain electrons
the Democritus/Kanada model
the Bohr electron shell model
the quantum wave model
the Thomson plum pudding model
How many neutrons does sulfur-34 have?
34
48
16
18
Which particle weighs a tiny bit more than 1 amu but rounds to 1 amu if you round to the ones place?
an electron
a proton
a neutron
Which particle weighs about 1/1836 amu?
an electron
a proton
a neutron
If a neutral atom loses an electron it will be?
positive
negative
sad (don't pick this)
What would you call a particle with 8 protons, 8 neutrons and 6 electrons?
an Oxygen atom
an Oxygen ion
a Carbon ion
a Silicon ion
Which of the following is the smallest and is the major component of the others
quarks
neutrons
protons
