Test
Element Categories Practice Quiz
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Preguntas del test (68)
1Which of the following is a property of most metalloids?
- AHigh electronegativity
- BForms only ionic bonds
- CSemiconductors
- DConductors
2Metalloids are generally used as:
- ASemiconductors
- BConductors
- CInsulators
3Metalloids that can conduct [blank_start]_____[blank_end] at higher temperatures are called semiconductors.
- Aelectricity
4Metalloids are generally:
- Adull
- Bbrittle
- Cmalleable
- Dductile
5Generally (A) loses electrons when reacting with nonmetals and gains electrons when reacting with metals. (A) is an:
- AAlkali metal
- BTransition Metal
- CMetalloid
- Dnonmetal
- Ealkaline earth metal
6What metalloid is used in glass to help prevent it from breaking or cracking when subjected to rapid changes in temperature?
- Aantimony
- Bgermanium
- Cboron
- Dtellurium
7Some metalloids are liquids at room temperature
- AVerdadero
- BFalso
8Metalloids that can conduct electricity at high temperatures are called:
- ASuper-conductors
- BSemi-insulators
- Cinsulators
- Dsemi-conductors
9How many valence electrons do metalloids have?
- A1-2
- B3-6
- C2-4
- D6-8
10Like nonmetals, metalloids are not brittle.
- AVerdadero
- BFalso
11Elements in the same group have the same number of valence electrons.
- AVerdadero
- BFalso
12How many valence electrons do alkali metals have?
- A4
- B3
- C2
- D1
13Which of the properties is/are shown by Group 1A elements?
- AThey are silver white
- BThey are soft
- CThey are light metals
- DAll of the above
14[blank_start]____[blank_end] have the smallest atoms of all the elements.
- AHydrogen
15Characteristics of alkali metals include:
- Asoftness
- Bliquid state at room temperature
- Chigh density
- Dtwo of the above
16Alkali metals include lithium, sodium, potassium, rubidium, cesium, and [blank_start]_____[blank_end].
- Afrancium
17How many valence electrons do the alkali metals have?
- A2
- B1
- CThe number of valence electrons varies
- D8
18How does the reactivity of the alkali metals change from top to bottom within the group?
- AThe reactivity increases
- BThe reactivity decreases
- CThe reactivity is constant
- DThe reactivity is variable and shows no specific trend
19Which statement describes how alkali metals are found in nature?
- AThey are very unreactive and are found in nature as compounds
- BThey are very reactive and are found in nature as pure elements.
- CThey are very unreactive and are found in nature as pure elements
- DThey are very reactive and found in nature as compounds.
20Why is Hydrogen, a non-metal, placed in the same group as alkali metals?
- ABecause it has 8 valence electrons just like all the other ones in Group 1
- BBecause it has just one valence electron, like all the other elements in Group 1.
- CBecause it has two valence electrons, just like all the other elements in Group 1.
- DBecause it has just one valence electron, just like all the other elements in Group 2
21The most abundant (common) element in the universe is [blank_start]________[blank_end].
- AHydrogen
22Properties of alkaline earth metals include:
- Agray or silver color
- Blow density
- Csoftness
- Dall of the above
23How many valence electrons do the alkaline earth metals have?
- A7
- B8
- C2
- D1
24The most abundant metal in the human body is [blank_start]____[blank_end].
- Acalcium
25During chemical reactions, what happens to the atoms of an alkaline earth metal?
- AThey gain electrons
- BThey lose two electrons
- CThey lose one electron
- DThey share electrons with other atoms
26Which statement correctly describes the reactivity of alkaline earth metals compared to alkali metals?
- AThey are less reactive, but still only found in nature as compounds
- BThey are less reactive, so they can be found in nature as pure elements.
- CThe reactivity is about the same.
- DThey are more reactive than the alkali metals
27[blank_start]________[blank_end] earth metals are elements in group 2 of the periodic table.
- AAlkaline
28All of the following are alkaline earth metals except:
- AMagnesium
- BCalcium
- CSodium
- DBarium
29Alkaline earth metals are very reactive because they have only [blank_start]___[blank_end] valence electrons.
- Atwo
30Alkaline earth metals are the most reactive metals.
- AVerdadero
- BFalso
31Group two elements in the periodic table are called alkali metals.
- AVerdadero
- BFalso
32Which of the following are properties of transition metals?
- AThey are excellent conductors of electricity and heat.
- BThey are malleable and ductile
- CThey have high melting and boiling points
- Dall of the above
33Which of the following are/is the characteristics of transition elements?
- AThey are paramagnetic
- BThey show multiple oxidation states
- CThey have high melting points
- DAll of the above
34[blank_start]________[blank_end] are the fourteen transition metals that follow lanthanum on the periodic table.
- ALanthanides
35Transition metals are elements in groups of [blank_start]___[blank_end] of the periodic table.
- A3-12
36Which of the following are considered transition metals?
- ACobalt
- BAll of the above
- Caluminium
- Dbarium
37Which is NOT a transition metal?
- Arhodium
- Bcopper
- Cgold
- Dtin
38What is the reactivity of transition metals compared to those in groups 1 and 2
- ATransition elements are more reactive than Group 1, but less reactive than Group 2
- BTransition elements are more reactive than Group 1 and Group 2 elements.
- CTransition elements are less reactive than Group 1 and Group 2 elements.
- DTransition elements are more reactive than Group 2, but less reactive than Group 1
39The atomic radii of the second and third row transition metals are nearly the same due to _______ contraction.
- AActinide
- BLanthanides
- CBoth A and B
- DNone of the above
40Which of the following is NOT a property of most transition metals?
- AAbility to conduct electricity
- BAbility to conduct heat
- Cmalleability
- Dlow melting point
41True or False: Halogens can conduct electricity and heat just like other elements.
- AVerdadero
- BFalso
42Halogens have [blank_start]____[blank_end] valence electrons.
- Aseven
43Where are halogens located on the periodic table?
- AGroup 17
- BGroup 2
- CGroup 7
- DGroup 18
44[blank_start]______[blank_end] is the most common element added to swimming pools water to kill bacteria and other germs.
- AChlorine
45Halogens tend to form compounds with elements in Group
- A18
- B2
- C1
- D16
46Properties of halogens include:
- Arelatively low melting point
- Bability to conduct electricity
- Cability to conduct heat
- Dall of the above
47Which halogen is a greenish-yellow gas?
- AChlorine
- BBromine
- CIodine
- DFluoride
48Which of the following elements are NOT a halogen?
- ABromine
- BIodine
- CChlorine
- DSelenium
49Halogens are elements in Group [blank_start]____[blank_end] on the periodic table.
- A17
50[blank_start]________[blank_end] are highly reactive, nonmetallic elements found in Group 17 of the periodic table.
- AHalogens
51The columns on the periodic table are called ______?
- Agroups
- Bperiods
52The rows on the periodic table are called _________?
- Aperiods
- Bgroups
53The further down the group on the periodic table, the [blank_start]______[blank_end] the element.
- Abigger
54True or False: Noble gases are non-atomic, meaning they exist as simple atoms.
- AVerdadero
- BFalso
55True or False: Noble gases cannot combine with other elements.
- AVerdadero
- BFalso
56Noble gases were formerly referred to as "inert" gasses.
- AVerdadero
- BFalso
57The boiling point ______ as you go down the column for noble gases.
- Aincreases
- Bdecreases
58The density of noble gases ______ as you go down the column.
- Adecreases
- Bincreases
59Noble gases are located in what group on the periodic table?
- AGroup 17
- BGroup 2
- CGroup 18
- DGroup 1
- EGroup 3
60All noble gases are
- AOdorless
- BColorless
- CRadioactive
- DTwo of the above
61Noble gases are almost completely [blank_start]________[blank_end] because they have eight valence electrons.
- Aunreactive
62Elements called noble gases are referred to as _________
- Ametals
- Bnon-metals
- Cmetalloids
63Noble gases include
- Aoxygen
- Bnitrogen
- Cargon
- Dall of the above
64How many valence electrons does helium have?
- A4
- B8
- C3
- D2
65Which of the following is a radioactive noble gas?
- AHelium
- BRadon
- CArgon
- DNeon
66Except for helium, all noble gases have [blank_start]____[blank_end] valence electrons.
- Aeight
67Which is a radioactive noble gas?
- AArgon
- Bastatine
- CRadon
- DRadium
68Why is it easier to form a compound with krypton then it is with neon?
- AKrypton has a higher boiling point than neon.
- BKrypton's principal energy level are more widely spaced than neon's.
- CKrypton's outer electrons are further from the shell than neon's.
- DKrypton is a larger component of the atmosphere than neon.
Información
- Descripción
- 8th grade (Units ) Physical Sciences Test sobre Element Categories Practice Quiz, creado por Exodus Trapp el 13/10/2022.
- Autor
- Exodus Trapp
- Idioma
- English
- Visitas
- 5
- Etiquetas
- Valoración
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