Protons & Electrons
Which element only has one proton?
Hydrogen (H)
What is the lightest element?
Hydrogen (1.008 amu)
Which element does not belong to a periodic family?
Hydrogen
Which side of the periodic table has more valence electrons? (Period 1 or Period 8)
Who has more protons: Titanium OR Iron?
Iron (Fe)
Where are protons located?
In the nucleus of the atom
Which element has 6 Neutrons?
Carbon (C)
What is the name of the family in Group 2?
Alkali Metals
Which family has more valence electrons?
Alkali Metals OR Halogens
Halogens
Who has more electrons: Potassium OR Phosphorus?
Which element has 47 electrons?
Silver (Ag)
Are neutrons positively, negatively, or neutrally charged?
Neutral charge (no charge)
What are the names of the 2 families that don't fit on the periodic table so they are represented underneath it?
Lanthanides and Actinides
As you read the periodic table from left to right, what happens to the number of valence electrons?
Valence electrons increase left to right
Zirconium (Zr)
Where are electrons located?
(Bonus points for explaining how many in each energy level)
Around the nucleus in energy shells
Energy level 1 can hold 2 electrons
Energy levels 2 and 3 can hold 8 electrons
How many neutrons does Krypton have?
48 neutrons
What separates the metals from the nonmetals on the period table?
Bonus: Which family is found next to this division?
The staircase
The metalloids
As you read the periodic table top to bottom within each group, what happens to the total electrons in each element?
Total electrons increase as atomic numbers increase
Which element is more reactive: Xenon or Chlorine?
Chlorine (Cl) because it is a halogen with 7 valence electrons
Which has 53 protons?
Iodine (I)
Where are neutrons located?
In the nucleus of the atom
Which 2 families have low reactivity or are nonreactive?
Noble gases and Alkaline Earth Metals
As you read the periodic table top to bottom within a group, what happens to the number of valence electrons?
Valence electrons stay the same within a group (column)
What is the atomic symbol for Copper?
Cu