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Unit 2: Ions

CAVA Chem 302/303 S1U2 Ions

QuestionAnswer
Atoms that gain or lose [...] will become electrically charged. Atoms that gain or lose electrons will become electrically charged.
An electrically [...] atom has the same number of positive and negative charges. An electrically neutral atom has the same number of positive and negative charges.
An atom that carries a charge, either negative or positive, is called an [...]; not an atom. An atom that carries a charge, either negative or positive, is called an ion; not an atom.
If an atom has a charge, it's not an atom; it's an [...]. If an atom has a charge, it's not an atom; it's an ion.
All atoms have a charge of [...]; otherwise, they'd be called ions. All atoms have a charge of 0; otherwise, they'd be called ions.
Positively charged ions are called [?-ions]. Positively charged ions are called cations.
Negatively charged ions are called [?-ions]. Negatively charged ions are called anions.
Electrons have a charge of [...] each. Electrons have a charge of -1 each.
Protons have a charge of [...] each. Protons have a charge of +1 each.
Neutrons have a charge of [...] each. Neutrons have a charge of 0 each.
An atom that loses one electron has a net electrical charge of [...]. An atom that loses one electron has a net electrical charge of +1.
When an atom loses electrons, the net charge goes [...]. When an atom loses electrons, the net charge goes up.
When an atom gains electrons, the net charge goes [...]. When an atom gains electrons, the net charge goes down.
Subtracting a negative is like adding a [...]. Subtracting a negative is like adding a positive.
losing a negative charge is similar to gaining a [...] charge. losing a negative charge is similar to gaining a positive charge.
If an atom [...] electrons, it becomes an anion. If an atom gains electrons, it becomes an anion.
If an atom [...] electrons, it becomes a cation. If an atom loses electrons, it becomes a cation.
Mass number is the number of protons plus the number of neutrons; it has nothing to do with [...]. Mass number is the number of protons plus the number of neutrons; it has nothing to do with electrons.
The net charge is the number of [...] minus the number of electrons. The net charge is the number of protons minus the number of electrons.
The atomic number is the number of [...]. The atomic number is the number of protons.
Mass number minus the number of protons gives you the number of [...]. Mass number minus the number of protons gives you the number of neutrons.
Mass number minus the [?-ic] number gives you the number of neutrons. Mass number minus the atomic number gives you the number of neutrons.
The atoms of some elements can gain or lose different numbers of [...]. The atoms of some elements can gain or lose different numbers of electrons.
Some ions are monatomic ions. Others are [?-atomic] ions. Some ions are monatomic ions. Others are polyatomic ions.
Monoatomic ions are [...]-atom ions with a net charge. Monoatomic ions are single-atom ions with a net charge.
[...] ions are compounds (or groups of atoms bonded together) that have a net overall charge. Polyatomic ions are compounds (or groups of atoms bonded together) that have a net overall charge.
Created by: mr.shapard