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Periodic Table
Periodic Trends
Element Identification
Element Identification 2
Random
100
What number tells you the number of protons and electrons?
Atomic Number
100

What is dense positive center?

Nucleus

100
What is the name of element number 1?
Hydrogen
100
What element has the symbol Xe?
Xenon
100

What experiment found the nucleus?

Gold foil (Ruterford)
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 subatomic particles does atomic mass measure?

protons and neutrons

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 sub atomic particle has almost no mass?

electron

400

Are there more metals or non metals on the periodic table?

metals

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

What is the charge of the nucleus?

Positive

500

Which element is more reactive Na (11) or Ar (18) 

Na (11) 

500
What subatomic particle is not inside the nucleus?
Electrons
500
What element has the elemental symbol Yb?
Ytterbium
500

Name an element that has similar properties as Hg (80)?

Cd (48), Zn (30), Cn (112)

500
What is an electron cloud model?
The electrons around the nucleus spinning so fast it looks like a cloud