PORTAGE CHEMISTRY 219 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE

PORTAGE CHEMISTRY 219 EXAM |
QUESTIONS & ANSWERS (VERIFIED)
| LATEST UPDATE | GRADED A+



The lone pairs in a LDD are equal to:

Correct Answer: The 2 dots



The unpaired electrons are equal to:

Correct Answer: The 1 dot



What is the number of bonds an atom can form, equal to?

Correct Answer: Their unpaired electrons



Find the lone pair, the unpaired electrons and the bonds of Oxygen.

Correct Answer: 2, 2, 2



What is organic chemistry?

Correct Answer: The study of compounds that contain carbon



What is catenation?




1

, Correct Answer: The ability to form bonds between atoms of the same

element. Carbon is very good at this.



What is the valence of an atom?

Correct Answer: The number of bonds an atom will form to fill its valence

(outermost) shell.



For main group elements, the valence shell is composed of how many
electrons?

Correct Answer: 8



Which atom doesn't follow the octet rule?

Correct Answer: H, it needs 2 to fill its valence electrons



The group number indicates?

Correct Answer: number of valence electrons



Find the lone pair, the unpaired electrons and the bonds of Carbon.

Correct Answer: 0, 4, 4



The atom that loses electrons and becomes positively charged is?

Correct Answer: Cation



The atom that gains the electrons and become negatively charged is?




2