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1) Why do many metals have high melting points?

AThe electrostatic forces between anions and cations hold the substance together tightly.

BThe electrostatic forces between multiple valence electrons and cations hold the substance together tightly.

CThe electrostatic forces between anions and cations hold the substance together loosely.

DThe electrostatic forces between multiple valence electrons and cations hold the substance together loosely.



2) Which of the following could be easily shaped into a piece of jewelry?

ANaCl

BAg

CCaF2

DFeO


  1. Which of the following has carbon atoms interspersed with iron atoms in its molecular structure?

Abauxite

Bhematite

Csteel

Dmalachite


  1. Which substance would shatter if you hit it with a hammer?

Atable salt

Bsteel

Cbronze

Dcopper


  1. In its native state, which of the following elements has bonds between many cations and a sea of valence electrons?

ACl

BHe

CZn

DN

Verified Answer :

taskmasters
  1. "The electrostatic forces between multiple valence electrons and cations hold the substance together tightly" is the statement why many metals have high melting points. The correct option is option "b".

    2. "Ag" is the one among the following that can be easily shaped into a piece of jewelry. The correct option among all the options is option "b". 

    3. "Steel" is the one among the following that     has carbon atoms interspersed with iron atoms in its molecular structure. The correct option is option "c".

    4. "Table salt" is the     substance that would shatter if you hit it with a hammer. The correct option among the options is option "a".

    5.     In its native state, "Zn" is the one of the following elements that has bonds between many cations and a sea of valence electrons. The correct option is option "c".

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