Properties of Metals_Definitions

Question 1

Alkali metal

Answer 1

A Group 1 Metal - Li, Na, K, Rb, Cs and Fr

Question 2

Brittle

Answer 2

Shatters when given a sharp tap

Question 3

Cations

Answer 3

A positively charged Ion

Question 4

Core Charge

Answer 4

The effective nuclear charge experienced by the outer shell electrons in an atom. It indicates the attractive force felt by the valence electrons towards the nucleus

Question 5

Ductile

Answer 5

Able to to be drawn into a wire

Question 6

Ionisation Energy

Answer 6

The energy required to remove one electron from an atom on an element in the gas phase

Question 7

Lattice

Answer 7

A regular arrangement of large numbers of atomes, ions or molicules

Question 8

Malleable

Answer 8

Able to be bent or beaten into sheets

Question 9

Octet Rule

Answer 9

A rule used as part of the explanation for electron configuration and in bonding. The rule is that during a chemical reaction, atoms tend to lose, gain or share their valen electrons so that there are eight electrons in the outer shell

Question 10

Tensile Strength

Answer 10

The maximum resistance of a material to a fforce which is pulling it appart before breaking, measured as the maximum stress the material can withstand without tearing

Question 11

Transition Metals

Answer 11

An Element in Groups 3-12 in the periodic table