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Periodic Table
Periodic Trends
Element Identification
Electron Configuration
History of Elements
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
How many electrons fit on the first energy level?
2
100

Who drew the first periodic table?

Dimitry Mendeleyev

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 17 electrons?

Chlorine

200
How many electrons fit on the third energy level?
18
200

Describe the way the periodic table is organized

By atomic number

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 Cs?

Caesium

300
Figure out the number of electrons on each energy level for NEON
2) 8)
300

What are radioactive elements?

These give off small particles

400

What does the term 'valence electrons' mean?

number of electrons on the outermost shell

400
What particle has a negative charge?
Electron
400

What element is a gas with 22 neutrons?

Argon

400

Figure out the number of electrons for each level for IRON

2) 8) 14) 2)

400

What are synthetic elements?

These elements are made in a lab

500

How many liquids are on the periodic table?

2

500
What subatomic particle is not inside the nucleus?
Electrons
500

What element has an atomic mass of 238.

Uranium

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

Who are alchemists?

These scientists tried to turn lead into gold