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10
×
Which type of atoms are shiny, good conductors, and found to the left of the staircase?
metals
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monster
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fairy
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25
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gift
Win 25 points!
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banana
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5
×
What are the smaller particles called that make up both protons and neutrons?
quarks
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10
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What does the group number tell about an atom?
The number of valence electrons present.
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5
×
What is the charge of an electron?
-1
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20
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What is the most common isotope for the following atom. Explain how you know.
Na-23; The average atomic mass is 22.9, which would round to 23. Sodium is most commonly found with a mass of 23.
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baam
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fairy
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25
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fairy
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25
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baam
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thief
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gold
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gift
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banana
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20
×
Fill in the missing information.
Boron Atomic #- 5 Atomic Mass- 11 # protons- 5 # neutrons- 6 # electrons- 5
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5
×
What is a row on the periodic table called?
period
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10
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What is an ion?
A charged atom.
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10
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How is the number of protons for an atom determined?
Look at the atomic number on the periodic table.
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10
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How is mass number for an atom determined?
number of protons + number of neutrons OR atomic number + number of neutrons
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seesaw
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star
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rocket
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banana
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15
×
In which orbital block is tin found?
p
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5
×
Which particles are found in the nucleus?
protons and neutrons
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