Periodic Table

A ______________________ is a class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity.

Use Metals, Metalloids, and Nonmetals notes, if needed. If missing this information, please add to reference section of your binder.

• metal

• nonmetal

• metaloid

• gas

The _____________ are a family of unreactive elements whose atoms do not gain, lose or share valence electrons.

Use Periodic Table Key notes, if needed. If missing this information, please add to reference section of your binder.

• alkali metals

• alkali earth metals

• alkaloids

• noble gases

Elements located in the same vertical column on the periodic table have similar _____?

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• total number of protons

• chemical and physical properties

• total number of neutron

• total number of electrons

One magnesium (Mg) atom is most likely to bond with one atom of which element?

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• calcium (Ca)

• chlorine (Cl)

• oxygen (O)

• sodium (Na)

Answer explanation

In general, atoms want a full (8 electron) outer shell (energy level), so they will most readily bond with elements that have the number of valence electrons that will get them to 8. For example, group 1 elements with 1 valence electron will most readily bond with group 17 elements with 7 valence electrons (1+7=8). Remember, 10 groups of transition metals are located between groups 2 and 13, with varying properties, so we ignore them for now. That said, group 13 has 3 valence electrons, group 14 has 4 valence electrons, etc.

Why is silicon (Si) in group 14, period 3 on the periodic table?

• Silicon, like all group 14 elements, is nonreactive and a gas at room temperature.

• Silicon, like all period 3 elements, is nonreactive and a gas at room temperature.

• Silicon, like all group 14 elements, is a semiconductor of electricity and a solid at room temperature.

• Silicon, like all period 3 elements, is a semiconductor of electricity and a solid at room temperature.

Elements with ​ (a)   chemical properties are located in the same ​ (b)   .

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• similar

• column/group

• different

• period

A periodic table is shown below. Click the area where metals are located.

Use Metals, Metalloids, and Nonmetals notes, if needed. If missing this information, please add to reference section of your binder.

Tags

NGSS.MS-PS1-1

A periodic table is shown below. Click the area where metalloids are located.

Use Metals, Metalloids, and Nonmetals notes, if needed. If missing this information, please add to reference section of your binder.

Tags

NGSS.MS-PS1-1

A periodic table is shown below. Click the area where nonmetals are located.

Use Metals, Metalloids, and Nonmetals notes, if needed. If missing this information, please add to reference section of your binder.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Which element is the LEAST reactive?

• carbon

• helium

• hydrogen

• iodine