Test - Bonding Flashcards
1
Q
- What is an example of a molecule?
A
H20 NB-2
2
Q
- Molecular compounds do not conduct electricity because they …
A
Do not break up into ions NB-23
3
Q
- Give an example of a characteristic property of ionic compounds.
A
They form hard, brittle crystals with characteristics shapes NB-23
4
Q
- A group of covalently bonded atoms that acts together as one charged atom is a _______.
A
Crystal NB-23
5
Q
- How does an atom of aluminum become an ion?
A
It loses 3 electrons NB-3
6
Q
- Which is a property shared by most molecular compounds?
A
Low melting point NB23
7
Q
- Electrons involved in the formation of chemical bonds are called…
A
Valence electrons NB-5
8
Q
- Give an example for the reason why atoms of sodium and chlorine attract each other in a salt crystal.
A
Sodium has a positive charge and chlorine has a negative charge NB-2
9
Q
- Give an example statement that provides the best description of a covalent bond.
A
The attraction between atoms when they share electrons NB-9
10
Q
- What is a double bond?
A
two pairs of electrons shared between two atomsNB22
11
Q
- How many electrons are shared between the hydrogen atoms in a molecule of H2 gas.
A
2 NB-2
12
Q
- The properties of a compound are ______ the properties of the element that form it.
A
Different from NB-2
13
Q
- The attraction between a positive ion and a negative ion results in a covalent bond. True or False
A
False, Ionic NB-9
14
Q
- When an ionic compound forms, the total number of positive charges and the total number of negative charges must be …
A
Equal NB-12
15
Q
- Name Fe(CO3)2
A
Iron(IV) Carbonate NB-13
