Atomic Structure and Bonding Concepts

The seminar introduces a free online resource for middle school chemistry, focusing on the periodic table and bonding. It covers atomic structure, energy levels, covalent and ionic bonding, and provides interactive activities and animations. The resource aims to help students understand chemistry concepts through simple experiments and multimedia tools. The session includes a website tour, lesson demonstrations, and a Q&A segment.

What is the main purpose of the NSTA Learning Center?

• To offer professional learning resources for science educators

• To host science competitions

• To provide live seminars for students

• To sell educational materials

Which instructional model is used in the Middle School Chemistry lesson plans?

• 3E Model

• 4E Model

• 6E Model

• 5E Model

What are the components of an atom as introduced in Chapter 4, Lesson 1?

• Protons, Neutrons, Electrons

• Protons, Photons, Electrons

• Protons, Neutrons, Photons

• Electrons, Photons, Neutrons

What does the atomic number of an element represent?

• The number of protons in an atom

• The number of neutrons in an atom

• The total mass of an atom

• The number of electrons in an atom

Why does carbon have an average atomic mass of 12.01?

• Carbon atoms have 12 electrons

• Carbon atoms have 12 protons

• Some carbon atoms have more than 6 neutrons

• All carbon atoms have 12 neutrons

What defines an atom's identity?

• The number of neutrons

• The number of protons

• The number of electrons

• The atomic mass

How many electrons can the second energy level hold?

• 32

• 2

• 8

• 18

What happens to the size of atoms as you move across a period in the periodic table?

• Atoms get larger

• Atoms get smaller

• Atoms become more reactive

• Atoms remain the same size

What type of bond involves the sharing of electrons between atoms?

• Metallic bond

• Ionic bond

• Covalent bond

• Hydrogen bond

In an ionic bond, what happens to the electrons?

• They remain with the original atom

• They are transferred from one atom to another

• They are lost to the environment

• They are shared equally