Week 3 - Matter (Part 2)
Introduction to Matter
Learning Target: I will explore how atoms are organized within the periodic table.
Warm-Up (8/25/20)
- What element has the symbol Te?
- What is the symbol for Cerium?
- What element has a mass number of 73?
- Please add this link to the DYNAMIC PERIODIC TABLE OF ELEMENTS to your bookmarks.
Vocabulary Word Wall
Matter - anything that has mass and takes up space
Mass - in physics, the quantity of matter
Atom - the smallest unit of an element that maintains the chemical properties of that element
Element - a substance whose atoms all have the same number of protons
Substance - matter which has a specific composition and specific properties
Subatomic - smaller than or occurring within an atom
Nucleus - In physical science, an atom's central region, which is made up of protons and neutrons
Proton - a subatomic particle that has a positive charge and is located in the nucleus of an atom
Neutron - a subatomic particle that has no charge and that is located in the nucleus of an atom
Electron - a subatomic particle that has a negative charge
Atomic Number - the number of protons in the nucleus
Mass Number - the sum of the numbers of protons and neutrons in the nucleus of an atom
Isotope - two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei so they have a different mass number
Electron cloud - the region of negative charge surrounding an atomic nucleus where there is a high probability of locating the electrons
Ion - an atom or molecule that has gained or lost one or more of its valence electrons, giving it a net positive or negative electrical charge
Molecule - two or more elements joined together by a bond
Properties - traits that can be measured (like the amount of mass)
Period - a horizontal row on the periodic table
Group or Family - a vertical column of the periodic table
Reactivity - the tendency of a substance to undergo a chemical reaction
Activator Videos
Crash Course Chemistry: Periodic Table
Crash Course Chemistry: Electrons
Introduction to the Periodic Table (watch the first half)
Bohr Model Activity
Students will begin the following project this week:
- Draw and label a Bohr model of any element you choose on the Periodic Table of elements.
- Each part of the model must be labeled and color coded and you will add a key (like a map).
- You may draw this by hand or draw it in a digital program. You must share it with me once it is completed.
- The model must have all of the following to be complete:
Homework
Genius Periodic Table Matrix (Due Wednesday)
USATestprep Module: All sections must be completed by Friday (except for games).
Review all videos, mini-lessons, and vocabulary.
Read Chapter 12 The Periodic Table of Elements: Section 1 Arranging the Elements
Pages 336 - 343 in Holt Georgia Physical Science
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