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Periodic Table
Periodic Trends
Element Identification
Element Identification 2
Misc
100
What number tells you the number of protons and electrons?
Atomic Number
100
What is the center of the atom?
Nucleus
100
What is the name of element with atomic number 1?
Hydrogen
100
What element has the symbol Xe?
Xenon
100
Who named atoms?
Democritus
200
How do you figure out the number of neutrons?
Subtract the atomic number from the atomic mass
200
What particle has a positive charge?
Proton
200
What element has an atomic mass of 238.
U, Uranium
200
What element has 17 electrons?
Chlorine
200
What was Sir J. J. Thomson's contribution to the atomic theory?
Electrons, Plum pudding model
300
How do you find an element's atomic mass?
Add the number of neutrons and the number of protons together
300
What particle has no charge?
Neutron
300
What is the name of the element with the elemental symbol Zr?
Zirconium
300
What element's symbol is K?
Potassium
300
Figure out the number of electrons on each energy level for NEON
2) 8)
400
How many liquids are on the periodic table?
2
400
What particle has a negative charge?
Electron
400
Which element has 42 as its atomic number?
Mo, Molybdenum
400
What element is a gas with 22 neutrons?
Argon
400
Figure out the number of electrons for each level for Na
2) 8) 16)
500
What does the term 'valence electrons' mean?
number of electrons on outermost shell, tells how reactive an element is
500
What subatomic particle is not inside the nucleus?
Electrons
500
What element has the elemental symbol Yb?
Ytterbium
500
What element is a soild named after a US state with 253 neutrons?
Californium
500
Where are electrons located according to the Modern theory?
electron cloud