Science (Ionic and Covalent)

Question 1

Metal + Non-Metal

Answer 1

Ionic Bond

Question 2

Metal + Metal or Metalloid + Non-Metal

Answer 2

Covalent Bond

Question 3

They form crystals

Answer 3

Ionic Compounds

Question 4

The ions have regular repeating patterns called ______. It is formed because of the ions are attracted to each other and form a regular pattern with oppositely charged ions next to each other.

Answer 4

ionic lattice

Question 5

They have high melting points and high boiling points.

Answer 5

Ionic Compounds

Question 6

The greater the charge, the greater the electrostatic force of attraction, the stronger the ionic bond, the higher the melting point.

Answer 6

Ionic Compounds

Question 7

They are hard and brittle

Answer 7

Ionic Compounds

Question 8

Polarity

Answer 8

Ionic Compounds

Question 9

refers to a separation of electric charge which will result from the difference of electronegativity between two atoms.

Answer 9

Polarity

Question 10

______ ____ have a high polarity because of the great difference in its electronegativity (tendency of an atom to attract a bonding pair of electrons).

Answer 10

Ionic Compounds

Question 11

SOLUBILITY

Answer 11

Ionic Compounds

Question 12

Electrical Conductivity

Answer 12

Ionic Compounds

Question 13

When_______are dissolved in water the dissociated ions are free to conduct electric charge through the solution. Molten_______ (molten salts) also conduct electricity.

Answer 13

Ionic Compounds

Question 14

Most ________ have relatively low melting points and boiling points.

Answer 14

Covalent Compounds

Question 15

tend to be soft and relatively flexible and brittle.

Answer 15

Covalent Compounds

Question 16

tend to be more flammable than ionic compounds

Answer 16

Covalent Compounds

Question 17

When dissolved in water, It don’t conduct electricity.

Answer 17

Covalent Compounds

Question 18

Many ________ don’t dissolve well in water

Answer 18

Covalent Compounds