Structure of Atoms
Using the Periodic Table
Subatomic Particles
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100
Name the 3 subatomic particles that make up atoms.
Protons, Neutrons, Electrons
100
What is the atomic symbol, number, and mass of the element shown below?
C
6
12.011
100
What are the charges for the 3 subatomic particles?
Protons = +
Neutrons = No charge
Electrons = -
100
What are valence electrons? And how do they trend on the periodic table?
Electrons on the last shell of an atom.
They are the same down every column
100
What is the term for when bears go to sleep during the winter?
Hibernation
200
Where are the 3 subatomic particles located in an atom?
Protons and neutrons = nucleus
Electrons = outside on the shells
200
What does the atomic number tell you about an element?
How many protons and electrons an element has
200
Which subatomic particle has virtually no mass?
Electrons
200
What is the term for when an atom is likely to LOSE electrons?
Ionization energy
200
How many planets are there in our solar system? (Not including Pluto)
8
300
The number of ________ and _________ are equal.
Protons and electrons
300
What does the row an element is in tell you about how you should draw it?
It tells you how many shells the atom has
300
What is the purpose of protons?
The number of protons determines the element
300
Which element below would be most likely to GAIN electrons?
Argon (Ar)
Magnesium (Mg)
Argon
300
What kind of water is MOST of the water on Earth?
Salt-water
400
How do you find the number of neutrons in an atom?
Atomic mass - # of protons
*don't forget to round the mass!*
400
How many periods are there on the periodic table?
7
400
What is the purpose of electrons?
Create chemical bonds between other elements
400
Describe the how the atomic radius changes on the periodic table.
Increases right to left, and top down.
400
Name one organ system in your body.
Answers vary
500
How many electrons can go on each shell? Shells 1, 2, and 3.
2 on shell 1
8 on the rest
500
What family is the element Krypton in?
Noble Gases
500
How many valence electrons are on this atom?
One
500
Name the element with the highest atomic radius according to the trend.
Francium
500
How do you calculate the density of an object?
Mass / volume