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
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
