The Atom
Isotopes
Name that element!
Trends
Periodic Table
100
Which subatomic particles make up the atomic mass?
What is the neutrons and protons.
100
Write the hyphen form of the isotope name for the information below: (Hyphen form: Name of the element - Atomic Mass)
10 protons
9 neutrons
10 electrons
What is:
Neon-19
100
Third period, eight valence electrons.
Argon
100
As you go from left to right in the metal side of the periodic table, what happen to the reactivity ? 
The reactivity decreases when going left to right on the periodic table.
100
The creator of the Periodic Table
Who is Dmitri Mendeleev
200
This number represents the number of protons in an atom.
What is the atomic number
200
How many neutrons does potassium-40 have?
What is 21.
200
Group 14 nonmetal.
Carbon
200
How many valence electrons does Group 2 have?
2 Valence electrons
200
This group of elements belongs to the family that has 7 valence electrons.
Who are the halogens.
300
Where are electrons located?
What is orbiting around the nucleus in the electron cloud
300
Write the isotope name in hyphen form for the following:
33 protons
41 neutrons
33 electrons
Arsenic-74
300
The element with the highest value for reactivity and electronegativity in Group 17. (Hint: Reactivity decreases as you go down in Group 17)
What is Fluorine.
300
How many valence electrons does Sodium have?
1 valence electrons
300
What do atoms of elements that are in the same group have in common?
They contain the same number of valence electrons.
400
A subatomic particle that has about the same mass as a proton.
a neutron.
400
Find the following for the isotope: Cobalt-59.
mass:
protons:
neutrons:
electrons:
What is:
mass: 59
protons: 27
neutrons: 32
electrons: 27
400
The halogen with electrons in the fifth energy level.
Iodine
400
Which element has the greatest reactivity in Group 1? (Hint: Reactivity increases as you go down in Group 1 -Alkali metals)
Francium.
400
These elements are dull, brittle and poor conductors of electricity.
What are non-metals (located on the right side)
500
Isotopes of an element contain different numbers of what subatomic particle?
What are neutrons.
500
Find the following for Iodine-126
mass:
protons:
neutrons:
electrons:
What is:
mass: 126
protons: 53
neutrons: 73
electrons: 53
500
An alkaline Earth metal that has a smaller atomic radius than Magnesium. (Hint: Remember the "Snow-man shape" The bigger number of period number, the more energy levels(orbits) the atom has , the bigger atomic radius it has)
What is Beryllium
500
Which family on the periodic table has no reactivity? Why?
The noble gases
Because they already have a full outermost ring.
500
How many groups are on the Periodic Table
What is 18