9.31.F - Quiz: Periodic Table & Atom Reactions Flashcards
___________ are elements that are between metals and nonmetals because they have properties of both.
Metals
Halogens
Metalloids
Nonmetals
Metalloids
The element silicon is a hard and brittle crystalline solid with a blue-gray metallic luster. Silicon is used as a semiconductor. Based on these properties as well as the location in the periodic table, we would classify silicon as a __________.
metal
metalloid
nonmetal
rare earth element
metalloid
Which element makes up 25% of the earth’s crust and is used in solar cells, tools, cement, and grease?
silicon
antimony
polonium
boron
arsenic
germanium
tellurium
silicon
What can you conclude about the classification of boron?
that boron is a noble gas and has a full valence electron shell, is chemically nonreactive, is colorless, is odorless, and has a high boiling point
that boron is a noble gas and has a full valence electron shell, is chemically nonreactive, is colorless, is odorless, and has a low boiling point
that boron is a nonmetal and is dull and brittle, is a poor conductor of heat and electricity, forms acidic oxides, and forms anions in aqueous solutions
that boron is a metalloid and has properties of both metals and nonmetals—it appears dull but is ductile and forms both basic and acidic oxides
that boron is a metalloid and has properties of both metals and nonmetals—it appears dull but is ductile and forms both basic and acidic oxides
The period that an element is in tells the number of ________ shells normally possessed by an atom.
atom
electron
neutron
proton
electron
Hydrogen is an example of a _______________.
metalloid
noble gas
nonmetal
metal
nonmetal
Noble gases are the ____________________.
least consistent of all elements
most reactive of all elements
most consistent of all elements
least reactive of all elements
least reactive of all elements
What is the element that is a part of the nonmetals classification but is not organized to be around it in the periodic table?
neon
sulfur
hydrogen
oxygen
boron
helium
hydrogen
Neon is an example of a _______________.
nonmetal
metalloid
noble gas
metal
noble gas
What is the largest number of electrons that can be in an electron shell?
12
8
6
10
2
7
8
How many of the known elements are considered essential for good health?
10
20
27
18
5
25
25
Any alloy of iron mixed with a small amount of carbon to increase its strength or malleability is called ________________.
ductile
steel
soluble
conductive
a metalloid
tempered
steel
What is an optional element that can be placed in tires (besides oxygen) that offers some benefits, such as the tires lasting longer?
xenon
neon
helium
nitrogen
carbon
krypton
argon
nitrogen
_________ in the body is locked up in the water which is 70% of the body.
Carbon
Helium
Hydrogen
Potassium
Argon
Hydrogen
The element polonium was named after Curie’s native country of _________.
Poland
