Lesson outline lesson 2 protons neutrons and electrons
What do protons and neutrons have in common?
• Protons and neutrons are in the center of the atom, making up the nucleus. • Electrons surround the nucleus. • Protons have a positive charge. • Electrons have a negative charge. • ˚e charge on the proton and electron are exactly the same size but opposite.
How can students see the charges of protons and electrons?
Students can see evidence of the charges of protons and electrons by doing an activity with static electricity. to lose electrons while the other material tends to gain electron. In this activity, human skin tends to lose electrons while the plastic bag, made of polyethylene, tends to gain electrons.
What is the difference between a proton and an electron?
• Protons and neutrons are in the center of the atom, making up the nucleus. • Electrons surround the nucleus. • Protons have a positive charge. • Electrons have a negative charge. • ˚e charge on the proton and electron are exactly the same size but opposite. • Neutrons have no charge.
How many neutrons does a hydrogen atom have?
You may want to mention that hydrogen is the only atom that usually has no neutrons. The nucleus of most hydrogen atoms is composed of just 1 proton. A small percentage of hydrogen atoms have 1 or even 2 neutrons. Atoms of the same element with dif- ferent numbers of neutrons are called
How can students see the charges of protons and electrons?
Students can see evidence of the charges of protons and electrons by doing an activity with static electricity. to lose electrons while the other material tends to gain electron. In this activity, human skin tends to lose electrons while the plastic bag, made of polyethylene, tends to gain electrons.
Where are protons and neutrons located in the atom?
• Protons and neutrons are in the center of the atom, making up the nucleus. • Electrons surround the nucleus. • Protons have a positive charge. • Electrons have a negative charge. • ˚e charge on the proton and electron are exactly the same size but opposite. • Neutrons have no charge.
What kind of charge does a proton have?
• Protons have a positive charge. • Electrons have a negative charge. • ˚e charge on the proton and electron are exactly the same size but opposite. • Neutrons have no charge. • Since opposite charges a˜ract, protons and electrons a˜ract each other.
Which is the only atom that has no neutrons?
You may want to mention that hydrogen is the only atom that usually has no neutrons. The nucleus of most hydrogen atoms is composed of just 1 proton. A small percentage of hydrogen atoms have 1 or even 2 neutrons. Atoms of the same element with dif- ferent numbers of neutrons are called
[PDF File]Understanding the Atom
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The table below compares the properties of protons, neutrons, and electrons. Protons and neutrons have about the same mass. Electrons have a much smaller mass than protons or neutrons. As a result, the nucleus contains most of an atom’s mass. All atoms contain protons, neutrons, and electrons. However, different types of atoms have different
[PDF File]Chapter Introduction Lesson 1 Substances and Mixtures
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Dec 31, 2015 · Key Concepts 2 Lesson 2: The Structure of Atoms • The center of an atom is the nucleus. The nucleus contains protons and neutrons. Electrons occupy the space in an atom outside the nucleus. • The identity of an atom is determined by its atomic number. The atomic number is the number of protons in the atom.
[PDF File]Chapter Outline
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11.2. No two elements have atoms with the same number of protons. Neutrons A neutron is a particle in the nucleus of an atom that has no electric charge. Atoms of an element often have the same number of neutrons as protons. For example, most carbon atoms have six neutrons as well as six protons. This is also shown in Figure 11.2. Electrons
[PDF File]Protons, Neutrons, and Electrons How Atoms Differ
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LESSON 2 Protons, Neutrons, and Electrons—How Atoms Differ A. The Parts of the Atom 1. Protons and have about the same _____. 2. have much less mass than the other two particles in an atom. B. Different Elements—Different Numbers of Protons 1. The number of protons in an atom of an element is the element’s _____. 2.
[PDF File]Lesson Outline - Weebly
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Lesson Outline Date Class LESSON 2 Protons, Neutrons, and Electrons—How Atoms Differ A. The Parts of the Atom 1. Protons and same an atom. have about the have much less mass than the other two particles in equals the number of charges must equal the 3. Most of the mass of an atom is in the B. Different Elements—Different Numbers of Protons 1.
[PDF File]Protons, Neutrons, and Electrons How Atoms Differ
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LESSON 2 Protons, Neutrons, and Electrons—How Atoms Differ A. The Parts of the Atom 1. Protons and have about the same _____. 2. have much less mass than the other two particles in an atom. B. Different Elements—Different Numbers of Protons 1. The number of protons in an atom of an element is the element’s _____. 2.
[PDF File]Chapter Outline
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Chapter 4, Lesson 1: Protons, Neutrons, and Electrons. Key Concepts • Atoms are made of extremely tiny particles called protons, neutrons, and electrons. • Protons and neutrons are in the center of the atom, making up the nucleus. • Electrons surround the nucleus. • Protons have a positive charge. • Electrons have a negative charge.
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