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WorksheetsSummative: Structure of the Atom
Total questions: 74
Worksheet time: 19hrs 30mins
Subatomic particles with a negative charge
Electrons
Neutrons
Protons
Quarks
The smallest particle of an element.
Element
Molecule
Atom
These are found in the nucleus and have a neutral charge.
proton
electron
neutron
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 sulfur have
16
32
48
12
In an atom, the number of protons is equal to the number of ____________.
energy levels
neutrons
neurons
electrons
How many neutrons does a Hydrogen atom have?
1
2
3
0
How many electrons does an Iodine atom have?
53
126
73
179
How many neutrons does an Oxygen atom have?
8
16
24
7.999
How many electrons does a Copper atom have?
63
29
92
34
What is the atomic mass of the pictured isotope?
2
4
6
The correct answer isn't one of the choices.
What is the atomic mass of the pictured isotope?
2
4
6
The correct answer isn't one of the choices.
In a correctly written symbol what would be located in the "Z" position?
number of neutrons
atomic number
number of electrons
mass number
Isotopes of an element have a different number of...
Protons
Neutrons
Electrons
Mass
The bottom number in this isotope notation represent
the mass number
the proton number
the element symbol
the neutron number
92235X What is element X
Nobium
Uranium
9 protons and 9 neutrons
Fluorine-18
Fluorine-9
Fluorine-16
Fluorine-18.998
76 protons and 114 neutrons
Osmium-114
Osmium-76
Osmium-190
Osmium-190.23
How many neutrons does the isotope have? 89 36Kr
53
36
89
125
If X is the symbol for an element, which of the following two symbols represent isotopes of the same element?
I. 7735X
II. 7733X
III. 8137X
IV. 8135 X
I and II
III and IV
I and IV
I and III
What is the average mass of this element?
