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Earth Science - Chapter 4 (Earth Chemistry) Flashcards | StudBud
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Earth Science - Chapter 4 (Earth Chemistry)
Earth Science - Chapter 4 (Earth Chemistry)
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#EarthChemistry
Flashcards
23 cards
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Questions
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Answers
1
Which of the following is a physical property to describe the picture?
Sea shells dissolve in the ocean due to global warming
The average shell weighs 3.5 grams
Bubbles are formed when HCl is dropped on top of the shells
Smells like burnt chalk when heated
2
Heterogeneous or Homogeneous? - Sea Water
Homogeneous
Heterogeneous
3
What is the difference between a mixture and a compound?
Mixture = Physically mixed ; Compound = Chemically mixed
Mixture combine elements and compounds consists of rocks
Mixtures = Chemically mixed; Compound = Physically mixed
Mixture and compounds are basically the same thing
4
Which of the following is a chemical symbol?
Tungestine
C
Electrons
HE
5
True/False - All elements on the periodic table can be found naturally on Earth
False
True
6
Which of the following statement is true?
Neutrons consists of Neutrinos
An atom is the largest unit of an element
Protons consists of positive charges
Electrons consists of positive charges
7
How many hydrogen atoms does NH
3
have?
4
2
3
1
8
Which one of following example is
NOT
an example of a physical property?
Color
Flammability
Hardness
Texture
9
True/False - The properties of a compound are different than the properties of the elements
False
True
10
Which of the following is a chemical property to describe the picture?
The mass of the wood is 50 lbs
Burning of cellulose
Boiling point of carbon is 3500 C
Fire is yellow
11
What do you call a vertical column in the periodic table?
Row
Period
Groups/Families
Part
12
What is an element?
Meteorite components that contains water
Substance that cannot be broken down into simpler substances
A table that has periods and groups
Consists of multiple atoms
13
Which example below is
NOT
a compound?
Graphite (C)
Water (H2O)
Carbon Dioxide (CO2)
Chlorine (Cl2)
14
Which one of the following example is
NOT
a chemical property?
Rusting
Creating gas bubbles
pH
Viscosity
15
Which of the following statement about the periodic table is false?
Chemical property of an element can be predicted in a Group
The horizontal rows in a periodic table are called periods
The periodic table organizes elements in a particular way
All 118 elements on the table have similar properties
16
What is a compound?
Pure substance composed of two or more different elements
A substance that cannot be broken down into simpler things
Pure substance composed of two or more different matter
Consists of subatomic particles
17
Heterogeneous or Homogeneous? - Air (in atmosphere)
Homogeneous
Heterogeneous
18
What is the bottom number that represents the number of atoms of an element in a compound?
Coefficient
Equation
Superscript
Subscript
19
What do you call the horizontal rows in the periodic table?
Elements
Family/Groups
Rows
Periods
20
What are the three subatomic particles in an atom?
Protons, Electrons, Atom
Protons, Electrons, Neutrons
Compounds, Molecules, Mixtures
Ed, Edd, and Eddy
21
What do elements consists of?
Neutrinos
Compounds
Matter
Atoms
22
What are the two types of mixtures?
Heterogeneous and Homogeneous
Heterozygous and Homozygous
Prokaryotes and Eukaroyotes
Red and Blue
23
Heterogeneous or Homogeneous? - Salad
Heterogeneous
Homogeneous
