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Metallic Bond Lowersixth Science Chemistry
 

Metallic Bond Lowersixth Science ChemistryOnline version

Quick true/false on metallic bonding.

by YAKILI LMS
1

Metals often have a lattice of cations surrounded by a sea of delocalized electrons.

2

The majority of metals are non-metals.

3

The presence of a sea of electrons makes metals poor conductors of heat.

4

Britle behavior is less common in pure metals due to metallic bonding.

5

Metals display lustre due to reflection from a sea of electrons.

6

The electron sea is a myth with no real basis in chemistry.

7

Metals are usually shiny because they reflect light from free electrons.

8

The term "ionic bond" describes metallic bonding.

9

Metals do not conduct electricity as solids.

10

The presence of delocalized electrons allows metals to conduct heat as well as electricity.

11

Metallic bonds create brittle materials like glass.

12

Delocalized electrons contribute to the metal's ability to conduct both heat and electricity.

13

Metallic bonds arise from the attraction between metal cations and delocalized electrons.

14

The electrons in metallic bonds are fixed to one metal ion.

15

The 'electron sea' model is used to explain metallic bonding.

16

Metallic bonding is the electrostatic attraction between positive metal ions and delocalized electrons.

17

The formation of metallic bonds involves a 'sea' of electrons free to move.

18

The sea of electrons is bound to the surface only.

19

Metals cannot be hammered or drawn into wires.

20

Metallic bonds involve electrons being transferred completely from one atom to another.

21

Delocalized electrons do not contribute to heat conduction.

22

The conductivity of metals decreases with temperature.

23

The stiffness of metals is related to the strong metallic bonds.

24

Alloying can modify properties by distorting the metallic lattice.

25

Metallic bonding occurs in elements and alloys containing metal atoms.

26

Metallic bonding is the same as covalent bonding.

27

The density of metals is generally high due to tight packing.

28

Uses of metallic bonds include electrical wiring and construction materials.

29

All metals have identical properties regardless of structure.

30

Metals can be hammered into sheets (malleability) due to sliding layers.

31

The sea of electrons moves freely, allowing electrical conductivity in metals.

32

Metallic bonding explains why metals can form a lattice with close packing.

33

The melting point of sodium is lower than that of magnesium due to bond strength.

34

Metallic bonds require directional bonding between specific atoms.

35

Metallic bonding allows metals to be alloyed to tailor properties.

36

Metals are typically malleable and ductile because layers can slide past each other.

37

Metals conduct electricity as solids because electrons are mobile.

38

The sea of electrons prevents light reflection, giving metals a dull appearance.

39

Metals have low melting points because of metallic bonds.

40

All metals are brittle because of metallic bonding.

41

The strength of metallic bonds correlates with the number of delocalized electrons.

42

Metallic bonds are non-directional, enabling malleability.

43

Metallic bonding leads to high melting and boiling points due to strong lattice bonds.

44

The boiling point of most metals is very high because of metallic bonding.

45

The melting point of sodium is higher than magnesium due to bond strength.

46

The electrons in metallic bonds are not associated with any particular atom.

47

Metallic bonding cannot explain malleability.

48

The density of metals is always low.

49

Alloys cannot modify the properties of metals.

50

Metallic bonding involves delocalised electrons moving freely among positive metal ions.

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