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Science
Compounds Of Transitional Elements
Quiz 1
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Q.1
What is the name of NF3?
mononitrogen trifluoride
nitrogen trifluoride
nitrogen flouride
nitrogen fluorine
Q.2
What is the name of K2O?
dipotassium monoxide
dipotassium oxygen
Potassium oxide
Potassium oxygen
Q.3
Is sugar (C12H22Oan element or a compound?
Element
Compound
Q.4
What is the formula for Sodium Bromide?
NaBr
NaBr2
Na2Br
Na3Br
Q.5
What is the formula for Calcium Chlorate? (refer to your polyatomic ions sheet)
CaClO3
Ca(ClO3)2
Ca(ClO3)3
Ca(ClO3)4
Q.6
Atoms combine to form _______.
electrons
molecules
nuclei
neutrons
Q.7
Bonds between atoms in a molecule form as a result of the sharing of?
formulas
electrons
atoms
chemicals
Q.8
How many elements are in HHe
3
4
2
5
Q.9
Water (H2O) freezing is an example of:
A chemical change
A physical change
Q.10
A compound consists of two or more elements bound together.
True
False
Q.11
A chemical change always results in the formation of a:
explosion
big mess
new substance
new state of matter
Q.12
Which of the substances below is a compound?
ink
air
oxygen
salt
Q.13
Air is a compound.
True
False
Q.14
Composition of compounds can be separated.
True
False
Q.15
Compounds are made up of two or more atoms physically combined.
True
False
Q.16
The properties of the elements that make up a compound are usually very similar to the compound itself.
True
False
Q.17
Is Iron (Fe) an element or a compound?
Element
Compound
Q.18
How many elements are represented in the compound?Na2CO3
1
2
3
4
Q.19
Which of the following is not a compound?
HCl
Cl
NaCl
CO2
Q.20
Can compounds be found in the periodic table?
Yes
No
0 h : 0 m : 1 s
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