3588600
Descrição
Quiz por Nyasha Makunga, atualizado more than 1 year ago
|
Criado por Nyasha Makunga
mais de 8 anos atrás
|
|
Questão 1
Questão
A central atom bonded to 6 negative regions with 2 pairs of lone pairs is called...?
Responda
-
sea-saw
-
square planar
-
square pyramid
Questão 2
Questão
Which of these apply to drawing lewis structures?
Responda
-
Count total number of valence electrons.
-
Underline the central atom
-
The atom that is the "most electron needy," ( the one which is further right on the periodic table) is placed in the middle.
-
Link other atoms to the central atom using single covalent bond (- =2e).
-
All the atoms must contain 8 electrons except Be=4 , B=6 and H=2
-
If an atom has insufficient electrons, take a lone pair from a neighbour and create multiple bonds between them.
Questão 3
Questão
Which of these have a polar bond.
Responda
-
H-H
-
H-F
Questão 4
Questão
What makes a molecule polar?
Responda
-
Same atoms bonded together
-
Different atoms bonded together
-
3D symmetrical molecule
-
3D asymmetrical molecule
Questão 5
Questão
The shape of the PCl3 molecule is trigonal pyramid.
Responda
- True
- False
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.