Periodic Table

The elements on the Periodic Table of the Elements

are arranged in order of increasing

• atomic mass

• formula mass

• atomic number

• oxidation number

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Which list of elements consists of a metal, a

metalloid, and a nonmetal?

• Li, Na, Rb

• Cr, Mo, W

• Sn, Si, C

• O, S, Te

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Which list includes elements with the most similar chemical properties?

• Br, Ga, Hg

• Cr, Pb, Xe

• O, S, Se

• N, O, F

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NGSS.HS-PS1-2

The elements in Group 2 are classified as

• metals

• metalloids

• nonmetals

• noble gases

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Compared to the atoms of nonmetals in Period 3, the

atoms of metals in Period 3 have

• fewer valence electrons

• more valence electrons

• fewer electron shells

• more electron shells

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NGSS.HS-PS1-2

Which element has chemical properties that are most

similar to the chemical properties of sodium?

• Be

• Ca

• Li

• Mg

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NGSS.HS-PS1-2

The arrangement of the elements from left to right in

Period 4 on the Periodic Table is based on

• atomic mass

• atomic number

• number of electron shells

• number of oxidation states

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NGSS.HS-PS1-2

Which element has chemical properties that are most

similar to those of calcium?

• Co

• K

• N

• Sr

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NGSS.HS-PS1-2

Which property can be defined as the ability of a

substance to be hammered into thin sheets?

• conductivity

• malleability

• melting point

• solubility

At STP, which element is a good conductor of

electricity?

• chlorine

• iodine

• silver

• sulfur

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NGSS.HS-PS1-1