Element Tiles
What does the large letter on an element tile represent?
The Symbol
Find the Period Number for Gallium
Period 4
What is the group number for the element Boron?
Group 5
What are the two structures that make up an atom?
Nucleus and Electron Cloud
Where are metals found on the Periodic Table?
The lower and left sides of the Periodic Table
What does our atomic number tell us about?
The number of Protons and Electrons
What does the period number tell us about an element?
It's number of electron shells/ energy levels/ rings.
What determines the reactivity of an element?
Number of Valence Electrons
What are the charges of Protons, Neutrons, and Electrons?
Protons are Positive
Neutrons are Neutral
Electrons are Negative
What are metalloids?
Elements with traits of both metals and nonmetals.
How do we calculate Atomic Mass?
Number of Protons + Number of Neutrons
Name one Element in the same Period as Beryllium.
Lithium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, or Neon
How many valence electrons does the element Helium have?
Symbol: He
2 valence electrons
Where are the three subatomic particles found in an atom?
Protons and Neutrons are found in the Nucleus.
Electrons are found in the Electron Cloud.
What is the only nonmetal found with the metals on the periodic table?
Hydrogen
Find the atomic number for the element silver.
Symbol: Ag
47
How many energy levels are present in the element Strontium?
Symbol: Sr
5 energy levels
How reactive is the element Argon?
Atomic number: 18
Stable
What is the overall charge of the nucleus?
Positive
Hi! I am an element on the periodic table. I am dull, brittle, and don't conduct heat or electricity. How would you classify me?
Nonmetal.
Calculate the number of neutrons in the element Phosphorus.
Symbol: P
Atomic Number: 15
16
Name all the elements in Period 1.
Helium and Hydrogen.
What is the 2-8-8 rule for valence electrons?
The 2-8-8 rule tells us that the first electron shell can only hold two electrons, and every shell after that can hold up to 8 electrons.
What two subatomic particles have a mass of 1 AMU?
Protons and Neutrons
Hello! I am a semiconductor who is brittle and very lustrous. How would you classify me?
Metalloid