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McKamy Periodic Table Flashcards | StudBud
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McKamy Periodic Table
McKamy Periodic Table
26 terms
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StudBud Administration
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607 plays
metals; nonmetals; metalloids; elements; molecules; compounds
Flashcards
26 cards
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Questions
26
Answers
1
All of these properties describe metals EXCEPT -
brittle
conductor
malleable
shiny
2
Carbon is an element and carbon dioxide is a compound. This is because carbon dioxide is -
made of two different elements
useful to human beings
a gas at room temperature
given off by green planrs
3
C
9
H
8
O
4
is the chemical formula aspirin. How many carbon atoms are present in this molecule?
21
8
9
4
4
The oceans are primarily composed of which two elements?
hydrogen and oxygen
carbon and hydrogen
calcium and silicon
nitrogen and oxygen
5
Compounds are different than elements because compounds are -
a pure substance, elements are not
not able to be broken down into parts
combinations of two or more elements
made of the same type of atoms
6
What is the chemical formula for rust (iron oxide)?
SiO2
Fe2O3
CaCO3
C2H4O2
7
Which element most likely has a shiny luster?
arsenic
carbon
hydrogen
cobalt
8
What is the difference between a mixture and a compound?
mixtures can be separated by physical means, compounds can't
compounds are held together by physical bonds
compounds can be separated by physical means, mixtures can't
mixtures are held together by chemical bonds
9
Which element is classified as a metalloid?
titanium
selenium
potassium
polonium
10
A section of the periodic table is provided. What is the chemical symbol for magnesium?
12
Magnesium
Mg
24.31
11
How many total atoms are in the compound CaCO
3
(calcium carbonate)?
6
4
3
5
12
Which of the following helps a student classify an unknown element as metal/nonmetal/metalloid
measure its conductivity
find its melting point
observe its color
determine its density
13
The smallest part of an element that can exist and still be that element is a(n) ...
metal
molecule
compound
atom
14
The atmosphere is composed mostly of oxygen and -
nitrogen
carbon
silicon
hydrogen
15
What are the best headings for columns A, B, and C?
A-metals B-nonmetals C-metalloids
A-nonmetals B-metals C-metalloids
A-nonmetals B-metalloids C-metals
A-metals B-metalloids C-nonmetals
16
Electrical wires are made of from metals such as copper and chromium because -
most metals have a metallic luster
electricity likes shiny things
metals are good conductors of electricity
wires can be bent
17
Which of the following is the most abundant element in Earth's crust?
oxygen
iron
potassium
calcium
18
Does a compound have the same properties as the elements they are made of?
maybe
my head hurts
no
yes
19
If a geologist finds a rock while collecting in the field, chances are that the rock contains -
carbon
potassium
iron
silicon
20
Which elements are most abundant in the atmosphere?
hydrogen and calcium
hydrogen and oxygen
phosphorous and carbon
nitrogen and oxygen
21
Unlike nonmetals, most metals tend to -
break easily when hammered
have less luster and shine
conduct heat and electricity well
be gases at room temperature
22
How many of these substances are elements?
1
4
3
2
23
A pure substance that cannot be broken down further by chemical or physical means is a ...
element
metalloid
compound
molecule
24
Based on it's location on the Periodic Table predict the properties of element #115.
shiny, ductile, insulator
semi conductive, low luster, brittle
high luster, conductive, malleable
brittle, low luster, insulator
25
The smallest particle of any type of matter is known by which of the following terms?
molecule
atom
compound
chemical
26
Conductivity is a physical property of matter that describes its ability to -
be hammered and rolled into thin sheets
exist in nature as a solid, liquid, or gas
transfer thermal and electrical energy
reflect light from its lustrous surface
