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8Sci_PeriodicTable
Periodic Table (Tabat)
Question | Answer |
---|---|
What elements are the least reactive on the periodic table? | Noble gases |
Where would the most reactive metallic elements of the periodic table most likely be found? | On the far left side of the table |
Properties such as magnetism, luster and malleability have been used to group together which category of elements on the periodic table? | Metals |
What best describes the organization of the periodic table of the elements? | Elements within a group have similar properties |
What elements would have similar properties to those of potassium? | Lithium and sodium |
Which of the following elements, hydrogen, fluorine or lead would have 7 valence electrons? | Fluorine |
What is the significance of metalloids in the periodic table? | They separate metals from nonmetals |
What element in Period 3 is known to be a highly reactive metal? | Sodium |
If an element has no electrons to share and is stable, what family is it found in? | Noble gases |
Where would a new highly reactive metal most likely be placed on the periodic table? | On the left side |
How is the current periodic table arranged? | By atomic number |
What elements are shiny, malleable, ductile, and good conductors of heat and electricity? | Metals |
Which element is the most reactive - calcium, beryllium, strontium or magnesium? | Strontium |
Which element is described as a brittle, nonconductive solid - calcium, thorium, sulfur or sodium? | Sulfur |
How would you describe the purpose for the bold staircase line on the right side of the periodic table? | Used to separate metals from nonmetals |
What characteristics do the elements on the far right side of the periodic table have in common? | They are found in elemental form in nature |
What best describes elements found in a column of the periodic table? | The elements have similar chemical properties |
What property is unique for each element? | The atomic number |
What are the changes in the physical state of elements in PERIOD 4? | From left to right - solid, liquid, gas |
What property best supports the statement that a material can be identified by its behavior when chemically combined? | Reactivity |
How would you describe the reactivity of alkali metals? | Reactivity increases down a group |
What characteristics of an element determines it's placement in the periodic table? | The number of protons |
Which element is the least reactive - carbon, hydrogen, helium or iodine? | Helium |
Which group contains elements with the most varied properties? | Transition metals |
What is a property of metalloids? | The ability to conduct electricity under certain conditions |
What subatomic particles determine the reactivity of groups of elements in the periodic table? | Electrons |
What describes the reactivity of metals when moving left to right on the periodic table? | They become less reactive |
Why are alkali metals the most reactive group in the periodic table? | They have only one electron in their outer energy level |
Why does reactivity in nonmetals most likely increase from left to right in the periodic table? | Attraction for electrons increases |
Which element is a member of the halogen family - chlorine, sodium, oxygen or helium? | Chlorine |
If a scientist creates a new synthetic element where would the new element most likely be placed on the periodic table? | Near the bottom |
What can be determined about sodium based on its location on the periodic table? | It is a solid metal at room temperature |
Which would sink first when placed in water - silver, gold or copper. | Gold |
Which element is in the same family as chlorine and fluorine - hydrogen, bromine, oxygen or lithium? | Bromine |
What do the atomic numbers represent? | Number of protons |
What best describes groups 3 through group 12 of the periodic table? | Transition metals |
How is the periodic table used to identify properties of elements? | By the group in which the elements are located |