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- 1. Multiple Choice
Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is ---
a gas at room temperature.
made of two different elements.
given off by green plants.
useful to human beings
- 2. Multiple Choice
What is the Chemical Symbol for Magnesium?
12
Magnesium
24.31
Mg
- 3. Multiple Choice
Compounds are different than elements because compounds are ---
combinations of two or more elements.
not able to be broken down into parts.
made from the same type of atoms.
a pure substance; elements are not.
- 4. Multiple Choice
The smallest particle of any particular type of matter is known by which of the following terms?
Element
Chemical
Atom
Compound
- 5. Multiple ChoiceIs sugar (C12H22O11) an element or a compound?ElementCompound
- 6. Multiple ChoiceIs Iron (Fe) an element or a compound?ElementCompound
- 7. Multiple ChoiceWhich of the following represents an element?H2OH2NaClCaCO3
- 8. Multiple ChoiceHow many elements are represented in the compound?
Na2CO31234 - 9. Multiple ChoiceHow many elements are represented in the compound?
Na2CO31234 - 10. Multiple Choice
The chemical symbol of an element always matches the element's name.
Agree
Disagree
- 11. Multiple Choice
Represented by an unique chemical symbol
Elements
Compounds
Both
- 12. Multiple Choice
Located on the Periodic Table
Elements
Compounds
Both
- 13. Multiple Choice
What is the difference between Co and CO?
CO is an element but Co is a compound
Nothing is different. They are the same thing.
CO is two elements and Co is only one element
Co is not a pure substance
- 14. Multiple Choice
How many elements are in this compound?
13
6
4
3
- 15. Multiple ChoiceThe oceans are primarily composed of which two elements?carbon and hydrogencalcium and siliconhydrogen and oxygen
- 16. Multiple Choice
NaCl is an example of a compound that contains helium and oxygen atoms.
Agree
Disagree
- 17. Multiple Choice
Compounds have properties different from the elements that make it up.
Agree
Disagree
- 18. Multiple Choice
The Symbol for the Element Hydrogen
H
He
Hf
Ho
- 19. Multiple Choice
The Symbol for the Element Helium
H
He
Hf
Ho
- 20. Multiple Choice
The Symbol for the Element Oxygen
C
O
Os
Cl
- 21. Multiple Choice
The Symbol for the Element Nitrogen
Ne
O
N
No
- 22. Multiple Choice
The Symbol for the Element Calcium
C
Ca
Co
CA
- 23. Multiple Choice
The Symbol for the Element Sodium
NA
N
Na
So
- 24. Multiple Choice
The Symbol for the Element Silicon
Si
S
SI
Cs
- 25. Multiple Choice
The Symbol for the Element Phosphorus
Ph
P
F
PH
- 26. Multiple Choice
The Symbol for the Element Sulfur
Su
SU
F
S
- 27. Multiple Choice
The Symbol for the Element Carbon
C
CA
Ca
Cr
- 28. Multiple Choice
The Symbol for the Element Chlorine
CL
Cl
CH
Ch
- 29. Multiple Choice
Which statements are true characteristics about elements:
I. made from a mixture
II. a pure substance
III. represented by a symbol
IV. make up matter on Earth
I, III
II, III, IV
II, IV
I, IV
- 30. Multiple Choice
How many different atoms are in CaCO3
3
4
5
6
- 31. Multiple Choice
How many different elements are in the (fake)compound HCOBrNaP4K?
6
7
11
12
- 32. Multiple Choice
How many elements are in this compound?
13
6
4
3
- 33. Multiple ChoiceThe chart that shows the arrangement of elements in order by their atomic numberElectron CloudPeriodic TableamuAtomic Mass
- 34. Multiple ChoiceThe vertical columns on the periodic table #1-18GroupsPeriodsSubatomic ParticlesRows
- 35. Multiple ChoiceThe majority of elements are classified as ________ and are located on the left side/middle of the periodic table.MetalsNoble GasesNonmetalsMetalloids
- 36. Multiple ChoiceMost of these elements are gases and are located on the right side of the periodic tableMetalloidsCompoundsNonmetalsMetals
- 37. Multiple ChoiceThe horizontal rows on the periodic table #1-7.PeriodsElementAtomic NumberGroup
- 38. Multiple Choice
When two elements form a compound the name often ends in ‘ide’
True
false
- 39. Fill in the Blank
Which two elements are combined in magnesium oxide? -------------------------------- and --------------------------------
- 40. Fill in the Blank
Which three elements are combined in calcium nitrate? -----------------------, --------------------------------- and ----------------- --------
- Answer choicesTagsAnswer choicesTags