Unit 1-(d) Bonding, Stucture and Properties-B. Structure

Question 0

What is a diatomic molecule made of?

Answer 0

two atoms

Question 1

What is a molecule?

Answer 1

A group of atoms held together by covalent bonds

Question 2

Which elements exist as diatomic molecules?

Answer 2

hydrogen, nitrogen, oxygen, halogens( fluorine,chlorine,bromine,iodine)

Question 3

What are discrete covalent bonds?

Answer 3

small separate molecules like diatomic ones

Question 4

How is discrete covalent formula written?

Answer 4

with the actual number of atoms in each molecule

Question 5

Are discrete covalent molecules strong?

Answer 5

nope they are pretty weak

Question 6

What does a covalent network structure consist of?

Answer 6

a giant lattice of covalently bonded atoms

Question 7

How is formula for ova lent network substances written?

Answer 7

giving the simplest ratio of atoms of each element

Question 8

What does an ionic structure consist of?

Answer 8

A giant lattice of oppositely charged ions

Question 9

How is the formula for an ionic substance written?

Answer 9

Gives the simplest ratio of positive ions to negative ions

Question 10

What does metallic structure consist of?

Answer 10

A giant lattice of positively charge ions and delocalised outer electrons