The location of the elements in the periodic table is related to all EXCEPT:

• color

• number of neutrons

• atomic mass

• electron arrangement

Elements that belong to the same group have the same number of

• total electrons

• neutral electrons

• inner electrons

• valence electrons

Because they differ in numbers of protons in their nuclei and in numbers of electrons in their filled inner energy levels, elements in a group

• have different charges

• are not exactly the same

• are very interactive

• are inert (non reactive)

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NGSS.MS-PS1-1

Where are the alkali metals?

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NGSS.MS-PS1-1

Where are the alkaline earth metals?

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NGSS.MS-PS1-1

Where are the HALOGENS?

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NGSS.MS-PS1-1

Where are the NOBLE GASES?

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NGSS.MS-PS1-1

The three main groups of elements are: metals, nonmetals and ________.

• inert gases

• radioactive isotopes

• metalloids

• alkali metals

atoms that gain or lose electrons are called

• ions

• isotopes

• metals

• nonmetals

Elements that have ONE valence electron tend to

• form a +1 ion

• form a +2 ion

• form a -1 ion

• form a -2 ion