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atom atom atom atom atom 1.True or false? Protons are in the nucleus.
atom atom atom atom atom 2.True or false? Electrons are in the nucleus.
atom atom atom atom atom 3.True or false? The mass of an electron is negligible compared to the mass of protons and neutrons.
atom atom atom atom atom 4.True or false? Protons are about the same mass as hydrogen atoms.
atom atom atom atom atom atom Hatom atom atom atom atom atom atom atom atom 5.True or false? Hydrogen atoms are the only ones with no neutrons.
atom atom atom atom atom 6.True or false? Atomic number = number of protons.
atom atom atom atom atom 7.True or false? Atomic number = number of neutrons.
atom atom atom atom atom 8.True or false? Atomic number = number of electrons..
atom atom atom atom atom 9.True or false? Mass number = Protons + electrons
atom atom atom atom atom 10.True or false? The radius of the nucleus is half that of the atom.
atom atom atom atom atom 11.True or false? so: p= 12 e - = 12 n= 12
atom atom atom atom atom 12.True or false? So: 11p 11e - 11n
atom atom atom atom atom 13.True or false? The nucleus has no charge.
atom atom atom atom atom 14.True or false? So the Cl - ion has 17 electrons.
atom atom atom atom atom 15.True or false? All electron shells hold a maximum of 8 electrons.
atom atom atom atom atom 16.True or false? The atom with electron configuration 2,8,7 is in Group VII.
atom atom atom atom atom 17.True or false? The atom with electron configuration 2,8,2 is in Period 2.
atom atom atom atom atom 18.True or false? In chemical reactions, electrons are the only sub- atomic particles involved.
atom atom atom atom atom 19.True or false? A covalent bond is formed between a metal and a non- metal atom.
atom atom atom atom atom 20.True or false? Covalent bonding involves the sharing of a pair of electrons.
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Atoms All elements are made up of very small particles called atoms (look back to previous notes). All atoms in an element are the same. Atoms arent EMPTY.
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Reviewing Subatomic Particles Nucleus contains: 1. Protons - 2. Neutrons - Positively charged, mass of 1 amu No charge, mass of 1 amu Electrons - Negatively.
CHEMICAL BONDING. INTRODUCTION Atoms do not tend to exist on their own Atoms do not tend to exist on their own Most often, they are found joined together,
How Are Electrons Arranged? Electrons are not evenly spread. The exist in layers known as shells. electron configuration.The arrangement of electrons in.
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Chemistry of Life. Element A substance that cannot be broken down into simpler substances. Each element is identified by a one or two letter symbol. Ca.
Chapter 6-2 part 1 The Atom. The Parts of an Atom Almost all atoms are made of the same three parts. These particles are protons, neutrons, and electrons.
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PS-2.1 Compare the subatomic particles of an atom with regard to mass, location, and charge, and explain how these particles affect the properties of an.
TRUE or FALSE Electrons have a positive charge. FALSE! Electrons have a NEGATIVE charge. 1.
Chemical Bonds Atom – the smallest unit of matter indivisible Helium atom.
1 Covalent bonds l Nonmetals hold onto their valence electrons. l They cant give away electrons to bond. l Still want noble gas configuration. l Get it.
Slide 1 of 31 Periodic Trends 6.3. © Copyright Pearson Prentice Hall Slide 2 of 31 Periodic Trends Sodium chloride (table salt) produced the geometric.
Addition Facts = = =
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