Test - Bonding Flashcards
1
Q
- Molecular compounds do not conduct electricity because they
A
Do not break up into ions
2
Q
- Which of the following is a characteristic property of ionic compounds
A
They form hard, brittle crystals with characteristic property of ionic compounds
3
Q
- How does an atom of aluminum become an ion
A
It looses 3 electrons
4
Q
- Which of the following is an example of a molecule
A
H2O
5
Q
- What is a double bond
A
Two pairs of electrons shared between two atoms
6
Q
- Which of the following is a similarity between ionic and covalent bonds
A
Both make the elements more stable
7
Q
- Which is a property shared by most molecular compounds
A
Low melting points
8
Q
- What is the chemical name for the compound with the formula Na2S
A
Sodium Sulfide
9
Q
- In the chemical formula for an ionic compound, which item is written first
A
Positive ion
10
Q
- A group of covalently bonded atoms that acts together as one charge atom is a
A
Crystal
11
Q
- In a double covalent bond, ______________ electrons are shared between two atoms
A
Four two pairs
12
Q
- Chemical bonds form when valence electrons are _____________ between atoms.
A
Transferred/shared
13
Q
- What type of bond is formed between Sodium and chlorine? Explain specifically what will happen to form the bond
A
Ionic
14
Q
- Why do noble gases rarely form compounds
A
Because they are already stable
15
Q
- Sodium sulfide
A
Na2S
