Study 19th of September 2019 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is a molecule

A

a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a covalent compound

A

A covalent compound is a molecule formed by covalent bonds, in which the atoms share one or more pairs of valence electrons.

https://www.quora.com/What-is-a-covalent-compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Forces (bonds) between atoms in the molecule ( covalent compound ) are what

A

very strong

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Forces between covalent compounds are what

A

very weak

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Molecular or covalent compounds are usually what

A

Molecular or covalent compounds are usually gases or liquids – they have low melting points and low boiling points

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Molecules have no what

A

Molecules have no overall electric charge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Give an example of a covalent compound

A

Chlorine atom 2,8,7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is a covalent bond

A

A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is a chemical bond

A

A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is covalent bonding

A

The stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is an anion

A

A negatively charged ion, the opposite of cation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is a cation

A

A positively charged ion, the opposite of anion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is an ion

A

An atom or molecule with a net electric charge due to loss or gain of one or more electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly