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

How many energy levels foes Potassium (K) have?

4

100

What is the name of the element with an atomic number of 1?

Hydrogen

100

Identify the element with 80 protons.

Mercury 

100
How many electrons fit on the first energy level?
2
200
How do you figure out the number of neutrons?
Subtract the atomic number from the atomic mass
200

How is the periodic table arranged?

Increasing atomic number

200
What element has an atomic mass of 238.
U, Uranium
200
What element has 17 electrons?
Chlorine
200

How many electrons fit on the second energy level?

8

300

How do you determine the energy levels in atom of an element?

The row

300

Identify the element in period 5, group 5. 

Antimony (Sb)

300

How many protons does Iodine have?

53

300

How many protons and neutrons combined does an atom of Calcium have?

40

300

How many valence electrons does Carbon have?

4

400

How do you determine the number of valence electrons?

The group number

400

Identify the element with 3 energy levels and 1 valence electron. 

Sodium (Na)

400
Which element has 42 as its atomic number?
Mo, Molybdenum
400

How many neutrons does Argon have?

22

400

How many valence electrons does Xenon (Xe) have?

8

500
What does the term 'valence electrons' mean? (2 things)
number of electrons on outermost shell, tells how reactive an element is
500

Identify the element that has a full valence shell, is completely stable, but only has 2 valence electrons. 

Helium

500

How many neutrons does Iridium (Ir) have?

115

500

What element has 35 electrons?

Bromine

500

Locate the element that is somewhat reactive with 6 valence electrons, is a gas at room temperature, and has 2 energy rings or levels. 

Oxygen

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