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WorksheetsPeriodic table
Total questions: 24
Worksheet time: 21mins
The atomic number represents the number of (a) in an atom.
The atomic number represents the number of protons in an atom. It is used to organize elements on the periodic table in (a) order.
Groups contain elements that share similar (a) properties, such as their ability to bond with other elements
Periods contain elements with the same number of (a) (electron shells).
Metals are typically (a) , and good conductors of heat and electricity.
Nonmetals are typically (a) , and poor conductors.
Metalloids have properties of both metals and nonmetals
(a)
(a) are positively charged and found in the nucleus.
(a) are neutrally charged and found in the nucleus.
(a) are negatively charged and orbit around the nucleus in electron shells
The atomic mass is the (a) of protons and neutrons in an atom.
The atomic mass is the sum of protons and neutrons in an atom. It is usually not a whole number due to (a) .
The alkali metals are in ____. They are highly _____ and include elements like ____and ____.
Group 1, reactive, sodium, potassium
Group 2, reactive, uranium, iron
Group 3, reactive, calcium, chlorine
The alkaline earth metals are in _____. They are reactive, but less so than the alkali metals, and include elements like _____ and _____.
Group 2, magnesium, calcium
Group 4, fluorine, argon
Group 3, inert, iron
The halogens are in _____. They are very ____ and include elements like ____ and ___.
Group 17, reactive, fluorine, chlorine
Group 16, reactive, hydrogen, chlorine
Group 15, reactive, helium, neon
The noble gases are in _____. They are ___ and rarely react with other elements, including ___ and ____.
Group 18, inert, helium, neon, argon
Group 16, outlet, lithium, iron, argon
Group 14, inert, helium, neon, argon
Transition metals are located in _____ and are known for their high ____ and conductivity.
Groups 3 to 12, density
Groups 5 to 10, density
Groups 7 to 9, density
The symbol for Gold is (a)
The lightest element is (a) .
The element with the symbol "Fe" is (a) .
Both ____ and ______ are liquids at room temperature.
Mercury (Hg) and Bromine (Br)
hydrogen and
Conductive, malleable (e.g., Iron, Gold).
(a)
Poor conductors, brittle (e.g., Oxygen, Sulfur).
(a)
Properties of both (e.g., Silicon, Boron).
(a)
