Frosh PhySci - Compounds Flashcards
(10 cards)
0
Q
F -. Which of the following is a compound? a- air b- oxygen c- carbon dioxide d- two of the above
A
C - carbon dioxide
1
Q
F -
A(n) ___________ is a unique substance that forms when two or more elements combine chemically.
A
Compound
2
Q
F -
A compound always has the same elements in the same proportions
T/F
A
True
3
Q
F -
The properties of compounds are the same as the properties of the elements that form them T/F
A
False
4
Q
F -
A rigid framework of many ions locked together in a repeating pattern is called a(n) _______________.
A
Crystal
5
Q
F -
A(n) __________ is the smallest particle of a compound that still has the compound’s properties.
A
Molecule
6
Q
Which of the following substances is a compound that forms ionic crystals? a- water b- sodium chloride c- carbon dioxide d- none of the above
A
B - sodium chloride
7
Q
Which of the following gases is a compound that forms molecules? a- air b- carbon dioxide c- oxygen d- nitrogen
A
B - Carbon dioxide
8
Q
Compare and contrast ionic and covalent compounds
A
????
9
Q
F -
A molecule consists of two or more atoms bonded together T/F
A
True
