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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 and the mass of 1?

Proton

200

What element has 17 electrons?

Chlorine

200

How many electrons fit on the third energy level?

8

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

How many electrons in the outermost shell does the Group II elements have?

2 electrons

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

Describe the trends in atomic radius across all Periodic Table

Atomic radius is increasing as you go down all the groups

400

What element is a gas with 22 neutrons?

Argon

400

Figure out the number of electrons for each level for calcium

2) 8) 8) 2)

400

What are synthetic elements?

These elements are made in a lab

500

How many liquids are on the periodic table?

2

500

Where are the more electronegative elements located on the Periodic Table?

On the top right (fluorine, oxygen)

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