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Atom Vocabulary
Atom Facts
Periodic Table 1
Periodic Table 2
Name the Element
100
Positively charged particles in an atom
What are protons?
100
Negatively charged particles in an atom
What are electrons?
100
A row in the periodic table
What is a period?
100
A column in the periodic table
What is a group?
100
Noble gas with 36 protons
What is krypton (Kr)?
200
The center of an atom
What is the nucleus?
200
The nucleus is made of these particles
What are protons and neutrons?
200
Noble metal with the most protons
What is gold (Au)?
200
Atomic number of helium (He, group 18, period 1)
What is 2?
200
Metal in FeO3
What is iron (Fe)?
300
Different "versions" of atoms with different numbers of neutrons
What is an isotope?
300
Number of protons in the nucleus
What is the atomic number?
300
Acronym for the six main elements in living things
What is CHNOPS?
300
Atomic mass of copper (Cu, group 11, period 4)
What is 63.55?
300
SYMBOL (not name) of element in group 4, period 4
What is Ti?
400
Name for the number of protons + number of neutrons in an atom
What is the atomic mass?
400
Tool that allows you to see atoms
What is an electron microscope?
400
Number of GROUPS on the periodic table with no metals
What is 3?
400
Name for group 1 on the periodic table
What is alkali metals?
400
NUMBER OF PROTONS in the element that can bond to itself and form long chains
What is 6?
500
Most of the MASS of an atom is found here
What is the nucleus?
500
Takes up most of the VOLUME of an atom
What are electrons?
500
Number of NEUTRONS in nitrogen-15 (N, group 15, period 2)
What is 8?
500
Number of NEUTRONS in oxygen-18 (O, group 16, period 2)
What is 10?
500
Halogen with 10 neutrons
What is fluorine (F)?