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

Where are the protons and neutrons located?

Nucleus

100
What is the name of element number 1?
Hydrogen
100

What do you call elements with both properties of metals and nonmetals?

Metalloids
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
What particle has a positive charge?
Proton
200
What element has an atomic mass of 238.
U, Uranium
200

Which side of the periodic table would most metals be found?

Left

200
How many electrons fit on the third energy level?
18
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 on group 18 Period 3?

Argon

300

Given an element conducts heat, is ductile, and shiny, is this a metal or nonmetal?

Metal

300
Figure out the number of electrons on each energy level for NEON
2) 8)
400

What do elements in the same family share?

They share the same number of energy levels or electron shell

400
What particle has a negative charge?
Electron
400

Which element is in group 16 and period 4?

Se, Selenium

400

Give me 2 examples of a metalloid?

Boron, germanium, silicon, antimony, arsenic, tellurium and pollanium

400
Figure out the number of electrons for each level for IRON
2) 8) 16)
500
What does the term 'valence electrons' mean? (2 things)
number of electrons on outermost shell, tells how reactive an element is
500
What subatomic particle is not inside the nucleus?
Electrons
500

Give me two examples of highly reactive groups

Group  1 and Group 17

500

What do you look at to identify if two elements would have similar chemical properties or reactivity?

Group
500

Explain which group is least reactive and why they don't react?

Group 18, Noble gasses

Their valence electrons are complete

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