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The Atom
Isotopes of Carbon
The Periodic Table
Find the Element
Calculations
100
This subatomic particle has no charge.
What is the neutron?
100
C-12 and C-14 are these of carbon.
What are isotopes?
100
The periodic table is sorted based on this.
What is atomic number or number of protons?
100
This element has 19 electrons.
What is potassium?
100
An element has 4 protons and 5 neutrons - this is its mass.
What is 9 amu?
200
This subatomic particle has no mass.
What is the electron?
200
This is the difference between isotopes.
What is mass or number of neutrons?
200
Elements in the same this have similar properties.
What is group?
200
This is the only element with an incomplete first electron shell.
What is hydrogen?
200
An element has 29 protons, 33 neutrons, and 31 electrons - this is its atomic number.
What is 29?
300
This is the mass of a proton.
What is 1 amu?
300
Between C-12 and C-14, this is the most common in nature.
What is C-12?
300
From left to right in the periodic table, the number of electrons in this increases.
What is valence shell?
300
This noble gas has two complete electron shells.
What is neon?
300
What you get when you multiple the number of protons in helium with the number of neutrons in B-10.
What is 10?
400
# of Protons + # of Neutrons = ?
What is mass number or number of subatomic particles in nucleus?
400
This is how many subatomic particles are in the nucleus of C-14.
What is 14?
400
Elements in the middle of the periodic table are called this.
What is transition metals?
400
These two elements commonly have 10 neutrons.
What are fluorine and neon.
400
What you get when you multiple the number of complete electron shells in copper with the number of protons in lead.
What is 138?
500
An electron that in an excited state does this.
What is move to a higher energy level (farther from the nucleus)?
500
An AMU is defined as 1/12 of this.
What is the mass of carbon?
500
Elements on the far right column of the periodic table are called this.
What is noble gases?
500
This element gets its symbol from its Latin name: argentum. Today you might see it in jewelry.
What is silver?
500
An element has 8 protons, 90% of the time it has 8 neutrons and 10% of the time it has 9 neutrons - this is its relative mass.
What is 16.1?