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Worksheets2nd Semester Exam - Chemistry
Total questions: 199
Worksheet time: 3hrs 46mins
How many electrons should Nitrogen (group 15) have around its Lewis dot model?
1
3
4
5
How many electrons should Beryllium (Group 2) have around its Lewis dot model?
1
2
3
4
Some students conducted a laboratory investigation to learn more about the physical properties of different elements. They observed four samples and recorded their observations in the table below. Which is the nonmetal?
Sample 1
Sample 2
Sample 3
Sample 4
Which is the most common element in the universe?
hydrogen
carbon
chlorine
bromine
Example: H2
The lightest halogen is....
Bromine
Iodine
Florine
Astatine
C6H12O6
Ionic
Covalent
Metallic
NaCl
Ionic
Covalent
Copper (II) oxide
Ionic
Covalent
Carbon dioxide
ionic
covalent
Silver Nitride
ionic
covalent
A molecule made of 2 atoms of the same element is called a ____________________.
Diatomic Molecule
Chemical Bond
Product
Reactant
__P4 + __O2 --> __P2O3
_N2 + _H2 --> _NH3
Example: H2
H2 + O --> H2O
A glow stick giving off light is an example of an...
Endergonic reaction
Exergonic reaction
Endothermic reaction
Exothermic reaction
Substance that breaks into H+ ions in water
Neither
Acid
Base
Scale that measures how acidic or basic a solution is.
pH scale
pOH scale
Acid Base Indicator
Name this compund
Methyl
Meth
Methane
Has no name
How many electrons should Argon (Group 18) have around its Lewis dot model?
6
8
7
4
In what film do you find a group of vegetarian sharks?
Shark Tale
The Little Mermaid
Finding Nemo
Shark Tank
Where is Black Panther from?
Nakia
T'Challa
Wakanda
T'Chaka
What is white when dirty and black when clean
Cardbord
Cardboard
Chalkboard
Chalkbord
Where do you find an ocean with no water ?
Mop
Basen
Map
Basin
