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WorksheetsAtoms and Periodic Table Review
Total questions: 70
Worksheet time: 40mins
which of the following elements does not show the property of malleability.
Which of the following elements is a noble gas?
Helium (He)
Oxygen (O)
Nitrogen (N)
Carbon (C)
What is the primary characteristic of metalloids?
They are good conductors of electricity.
They have properties of both metals and nonmetals.
They are highly reactive with water.
They are gases at room temperature.
Which of the following elements is a noble gas?
Helium (He)
Hydrogen (H)
Nitrogen (N)
Oxygen (O)
What is the primary characteristic of elements in the same period on the periodic table?
They have the same number of valence electrons
They have the same atomic number
They have the same number of electron shells
They have similar chemical properties
Which of the following elements is a transition metal?
Calcium (Ca)
Iron (Fe)
Sulfur (S)
Argon (Ar)
An iron atom has an atomic mass of 56. Its atomic number is 26. This means an atom or iron has _______ protons and _____ neutrons.
26, 56
26, 26
26,30
30, 26
A neutral sodium atom has 11 electrons. How many electrons will it contain in it's third energy level?
2
8
1
18
Which type of element is shiny, malleable, ductile and good conductor of heat and electricity?
Metal
Non-metal
Metalloid
How many protons are in a Gold atom?
79
196
118
275
How many electons are in a Gold atom?
79
196
118
275
Which group/family is the most reactive on the periodic table?
Noble Gases
Alkali Metals
Alkaline Metals
Transition Metals
