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The Atom
The Atom
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Flashcards
34 cards
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Practice quiz
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Questions
34
Answers
1
If an Helium atom has two protons, then it has ------- electrons
Three
Not enough info provided
One
Two
2
Using your Periodic Table, which of the following sets of elements are shown correctly?
N-15, 7 p, 7n (#7 on PT)
Cs- 135, 80p and 55 n (#55 on PT)
In- 115, 115p and 115 e (#49 on PT)
Zn-64, 30 p and 34 n (#30 on PT)
3
Atom is made up mainly from empty space
Ice cube
False
True
Eazy E
4
What is the # of electrons in Sulfur
-2
(element #16 on the PT)
16
32
18
14
5
The nucleus of an atom is ___________.
is neutrally charged and all the sub atomic particles in it
is an old school rap group (Newcleus) and sings "Jam on it"
negatively charged and has a high mass and is in the middle
positively charged with all the mass in it
6
I'm located inside the nucleus
Biggie and Tupac, both are alive by the way and living here
Electron & Neutron
Proton & Neutron
Proton & Electron
7
What is the central part of an atom called and what is its mass?
Nucleus, almost nothing
Electron, almost nothing
Nucleus, almost everything of the atom
Proton, 1 amu
8
What do you find when you add protons and neutrons together?
The electron number
Atomic Number
Isotope number
Mass Number
9
What is atomic number for Helium, He (top right of periodic table)
2
4
..when I enhale it my voice sounds Alvin and the chipmunks
1
10
I have a - charge
Proton
Atom
Electron
Neutron
11
What is it called when an element has different number of neutrons but same number of protons?
Atomic Number
Atom
Isotope
Mass Number
12
What is the name of element X if its isotopes have the following: X1= 69.2% at 62.93amu and X2=30.8% at 64.93amu?
Zinc
Nickel
Copper
elements are dumb and so is this question
13
How many electrons in Zn-65? (element #30 on the PT)
65
I hate Kahoots and chemistry makes me want to sleep for a year
30
35
14
What is the Atom net charge?
Positive
Neutral
Negative
Free
15
If you have the same number of protons between 2 elements, you have
a mixture
always a different amount of electrons
the same element
a real big problem, homie
16
What is difference between Carbon-12 and Carbon-14
the mass number
the atomic number
the number of electrons
the number of protons
17
I have no charge
Neutron
Nucleus
Electron
Proton
18
How many electrons in Aluminium-27
+3
(element #13)?
10
16
13
14
19
What does the neutron do for the atom?
makes up all of the mass
stabilizes the nucleus with the proton in there and makes the isotope #
breakdances
determines the type of element
20
I'm Located inside the atom "cloud" outside the nucleus
Electron
Proton
Neutron
Nucleus
21
How many neutrons does Flourine-19 have (#9 on Periodic table)?
10
19
9
28
22
The atomic number
is the weight or mass the atom
Is number that elements are ordered by on the periodic table
is the charge of the atom or ion
Is the same as the amount of protons
23
Which of the following is true of subatomic particles?
Electrons are negative and the heaviest subatomic particle
Mass of a neutron equals that of a proton and is about 1amu
Protons are positive and are the lightest subatomic particle
Neutrons have no charge and are the lightest subatomic part.
24
Average atomic mass is
always one whole number
a weighted average of all the isotopes of that element
usually a decimal
the protons, neutrons and electrons added up for 1 isotope of an element
25
Which of the following are Isotopes of the same element
C-12, C-12
Cu- 65, Co-64
U-235, U-238
N-7, C-7
26
I have a + charge only
Electron
ion
Proton
Nucleus
27
In which of the following sets for an atom is the symbol, protons, and electrons listed correctly?
Zn, 30 protons, 60 electrons
Cs, 55 protons, 132.9 electrons
K, 19 protons, 19 electrons
In, 114 protons, 115 electrons
28
How do you find the mass number?
top right of a test element box
it is the number after a dash and an elements name
bottom left of a test element box
it is the protons and neutrons added together and always a whole number too
29
Rutherford found what part of the atom by doing what?
the neutron by shooting particles in tissue paper and all went through
the proton by looking under a micrscope
the nucleus by shooting particles through foil and some bounced back to him
the electron by seeing how a magnet pulled its charge
30
An electron weighs
about the same as proton and neutron
0.0005 amu
basically nothing
about a little less than half of the atomic mass
31
How many protons in Copper (Cu, element number 29 on periodic table)
64
29
I don't care but I betcha The Notorious B.I.G knows
35
32
Atoms are so small that
you cannot see them with your eyes at all
there are more atoms in a grain of sand than grains of sands on a beach
if you were Ant man, they would still be too small to deal with
you can only see them under a microscope
33
An Atom is the smallest object but cannot and never has been, divided or split in the study of nuclear chemistry?
I don't care and you shouldn't either
No, false
boom!!!!
Yes, true
34
An ion is different than an atom because an ion has________and because of the number of _______
isn't actually they are the same:)
a nucleus, protons and neutrons in it
no charge, protons and electrons
a charge, electrons
