Covalent Substances

Question 1

Covalent bonds form between?

Answer 1

Metals and non-metals

Question 2

A covalent bond forms when?

Answer 2

Two positive nuclei are held together for their common attraction for a shared pair of electrons

Question 3

7 elements exist as diatomic molecules through the formation of covalent bonds:

Answer 3

H2, O2, N2, I2, Br2, Cl2, F2

Question 4

The shape of simple covalent molecules depends on the number of bonds and the orientation of?

Answer 4

These bonds around the central atom

Question 5

These simple covalent molecules can be be described as

Answer 5

Linear, angular, trigonal pyramidal, tetrahedral

Question 6

More than one bond can form between atoms leading to?

Answer 6

Double and triple covalent bonds

Question 7

Covalent molecules can form either?

Answer 7

Discrete molecular or giant network structures

Question 8

Covalent molecular substances which are insoluble in water may dissolve in?

Answer 8

Other solvents

Question 9

In general covalent network substances do not conduct electricity. This is because they do not have?

Answer 9

Charged particles which are free to move