Test: Chemical Bonding Flashcards
1
Q
- Molecular compounds do not conduct electricity
A
Do not break up into ions 23
2
Q
- Which of the following is a characteristic
A
They form hard, brittle crystals with characteristic shapes 23
3
Q
12. Which of the following is a an example of a molecule? A. H2O B. All of the above are molecules C. Mg3N2 D. NaF
A
H20 9
4
Q
21.Which pair of atoms will combine with each other and form an ionic? A. Ca and Mg B. C and H C. C and O D. Ca and Br
A
Ca and Br 5
5
Q
- Which is a property shared by most molecular compounds?
A
Low melting point 23
6
Q
- Which of the following is the correct name for a compound between Magnesium and sulfur?
A
Magnesium sulfide 26
7
Q
- Magnesium bromide is and ionic compound with the chemical formula MgBr2. What does the “2” tell you?
A
There are two bromide ions for every magnesium ion 9
8
Q
- Chemical bonds form when valence electrons are ____ between atoms.
A
Transferred / shared 9
9
Q
- When ions having a positive charge form bonds with ions having a negative charge, the charge on the resulting compounds is ____
A
Zero 9
10
Q
- Triboron heptahydride
A
B3H7 17
11
Q
67.Fe(CO3)2
A
Iron(lV) carbonate 19
