Periodic Table
Periodic Trends
Element Identification
Element Identification 2
Miscellaneous
100
What number tells you the number of protons and electrons?
Atomic Number
100
What is the 'brain' of the atom?
Nucleus
100
What is the name of element number 1?
Hydrogen
100
What element has the symbol Xe?
Xenon
100

Which elements are malleable?

Metals

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

Where are metalloids located?

Along the staircase

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

Which elements are usually semiconductors?

Metalloids

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

Why is Hydrogen in Group 1 with the metals?

It is a gas with an atomic number of 1, it is also unstable like the Alkali metals.

500

What does the term 'valence electrons' mean? 

number of electrons on outermost shell

500
What subatomic particle is not inside the nucleus?
Electrons
500
What element has the elemental symbol Yb?
Ytterbium
500
What element is a sold named after a state with 253 neutrons?
Californium
500

Who organized the modern Periodic Table?

Dimitri Mendeleev

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