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WorksheetsAtomic Structure
Total questions: 20
Worksheet time: 40mins
Which statement accurately describes the atoms of a specific element?
An iridium, Ir, atom contains 77 protons inside the nucleus and 115 neutrons outside the nucleus.
A palladium, Pd, atom contains 46 electrons outside the nucleus and 45 neutrons inside the nucleus.
A mercury, Hg, atom contains 80 electrons and 80 protons inside the nucleus.
An antimony, Sb,atom contains 51 protons inside the nucleus and 51 electrons outside the nucleus.
Which of the elements in the table below correctly represent a Chromium atom?
Element 1
Element 2
Element 3
Element 4
Which of the elements in the table below correctly represent a Zinc atom?
Element 1
Element 2
Element 3
Element 4
Which of the elements in the table below correctly represent a Vanadium atom?
Element 1
Element 2
Element 3
Element 4
Which of the elements in the table below correctly represent a Tellurium atom?
Element 1
Element 2
Element 3
Element 4
Which Element has an atomic mass of 65?
Element 1
Element 2
Element 3
Element 4
What is the total number of protons, neutrons, and electrons in a thallium, Tl, atom that has a mass number of 204?
85
204
285
129
What is the total number of protons, neutrons, and electrons in an oxygen, O, atom that has a mass number of 16?
8
16
24
32
What is the total number of protons, neutrons, and electrons in a krypton, Kr, atom that has a mass number of 84?
120
36
84
48
Which statement below correctly identifies the number of subatomic particles inside and outside the nucleus of an lead atom?
There are 207 particles inside the nucleus and 82 particles outside the nucleus.
There are 82 particles inside the nucleus and 82 particles outside the nucleus.
There are 207 particles inside the nucleus and 207 particles outside the nucleus.
There are 40 particles inside the nucleus and 22 particles outside the nucleus.
What element is displayed?
Sulfur
Argon
Neon
Oxygen
What is the element displayed?
Phosphorus
Chlorine
Potassium
Calcium
What is this element that is displayed?
Magnesium
Argon
Silicon
Phosphorus
Which mystery atom is Chlorine?
#1
#2
#3 & #4
#5
Which mystery atom is Antimony?
#2
#4
#5
#6
Which mystery atom has an atomic mass of 95?
#3
#4
#5
#6
Which two elements mystery atoms are the same element?
#1 and #2
#2 and #3
#3 and #4
#4 and #5
Helium, He, has 2 protons, 2 neutrons, and 2 electrons. What is the charge of the atom’s nucleus?
0
+2
-2
4
Nitrogen, N, has 7 protons, 7 neutrons, and 7 electrons. What is the charge of the atom’s nucleus?
+7
14
0
-7
Tin, Sn, has 50 protons, 79 neutrons, and 50 electrons. What is the charge of the entire atom?
0
+50
-50
119
