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Earth's Chemistry Flashcards | StudBud
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Earth's Chemistry
Earth's Chemistry
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Review of basic Atoms and periodic table info.
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
Molecules ...
have the same properties as the original atoms.
have different properties from the original atoms.
combine the properties of the original atoms.
Are always made of the same elements.
2
What atom has 10 Neutrons?
F
O
N
Na
3
What two elements make up most of the universe?
H and He
Li and H
O and Si
N and O
4
Atoms with more or less neutrons than normal are called
Isotopes
Molecules
Compounds
Elements
5
What atom has 7 protons?
N
Ni
B
Be
6
Which of the following is NOT correct?
Neutrons are Negative
Protons are Positive
Protons have a mass of 1
Electrons are in Orbitals
7
What atom has 19 Electrons?
Ca
Mg
Ar
K
8
Which element makes up 78% of the Earth's Atmosphere?
Nitrogen N2
Carbon Dioxide CO2
Oxygen O2
Iron Fe
9
Which element makes up 47% of the Earth's Crust?
Oxygen O
Nitrogen N
Iron Fe
Carbon Dioxide CO2
10
Where did heavy elements larger than Li have to come from?
The Big Bang
Nebulas
The center of the Eart
Large Stars
