Metals, Nonmetals, Metalloids - Montgomery County Schools

Metals, Nonmetals, Metalloids The elements of the periodic table can be divided into three main categories: Metals, Non-Metals, and Metalloids. Properties of Metals Metals are good conductors of heat and electricity. Metals are shiny. Metals are ductile (can be stretched into thin wires). Metals are malleable (can be

pounded into thin sheets). A chemical property of metal is its reaction with water which results in corrosion. Properties of Non-Metals Non-metals are poor conductors of heat and electricity. Non-metals are not ductile or malleable. Solid non-metals are

brittle and break easily. They are dull. Many non-metals are gases. Sulfur Properties of Metalloids Metalloids (metal-like) have properties of both metals and non-metals. They are solids that can be

shiny or dull. They conduct heat and electricity better than nonmetals but not as well as metals. They are ductile and malleable. Silicon 1. The Periodic table can be divided into what three categories A.

B. C. D. Metals, Non-Metals, and Metalloids Groups, Periods, and Families Halogens, Noble Gases, and Hydrogen Non of the above [Default] [MC Any] [MC All]

2. The properties of metals include A. B. C. D. Good conductors of heat and electricity Malleable Corrode in water All of the above

[Default] [MC Any] [MC All] 3. Metalloids have properties of both A. Hydrogen and Helium B. Metals and Non-Metals C. Its parents [Default] [MC Any] [MC All]

4. Properties of Non-Metals include A. B. C. D. Shiny Ductile Poor conductors of heat and electricity Malleable

[Default] [MC Any] [MC All] 6. Bohr Models represent A. The atom as a small positively charged nucleus surrounded by electrons. B. Covalent Bonds C. Paired and unpaired valence electrons in an atom. [Default] D.

Ionic Bonds [MC Any] [MC All] 7. The atomic number is A. B. C. D. The number of neutrons in an atom. The number of electrons in an atom.

The number of protons in an atom. The number of protons and neutrons in an atom. [Default] [MC Any] [MC All] 8. The nucleus of an atom A. A unique number that represents the number of protons in an atom. B. Is the dense, positively charged mass located

in the center of an atom. C. A particle smaller than an atom (e.g. [Default] neutron) [MC Any] [MC All] D. A visual model of the most likely locations for the electrons in an atom. 9. If you are given the mass number and the atomic number for an atom, how would you determine the number of neutrons?

A. Subtract the atomic number from the mass number. [Default] [MC Any] B. Determine the number of electrons because [MC All] that will tell you the number of neutrons. C. Determine what period the element is in. D. Count the number of valence electrons.

10. The Lewis Structure represents A. The atom as a small positively charged nucleus surrounded by electrons. B. Protons C. Neutrons D. Paired and unpaired valence electrons in an [Default] atom. [MC Any] [MC All]

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