Molecules- Questions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the definition of an Atom? | SMALLEST unit of Matter that retains unique Chemical Properties.
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| What are the charges of Protons, Neutrons, and Electrons? | Protons: (+); Neutrons: (neutral); Electrons: (-)
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| What are molecules? | 2 or more Atoms BONDED together
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| Where are Protons and Neutrons located? | within the Nucleus of an Atom
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| What are the types of Chemical Bonds? | 1. Covalent; 2. Ionic; 3. Hydrogen
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| What is a Covalent Bond? | a bond SHARING Electrons between Atoms
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| What are some of the attributes of Covalent Bonds? | 1. very STRONG, but not rigid; 2. Polar (UNEQUAL sharing of Electrons); 3. NON-Polar (EQUAL sharing of Electrons)
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| What are some examples of Covalent Bonds? | H2O, CO2, NH3, Glucose
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| What is the Chemical Composition of Glucose? | C6 H12 O6
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| What are Ionic Bonds? | bonds in which there is a TRANSFER of Electrons from 1 Atom to another.
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| What are some of the characteristics of Ionic Bonds? | 1. Weak: DISSOCIATE into Ions in Aaqueous solution;
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| What is a Cation? | a + charged Ion
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| What is anion? | a - charged Ion
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| What are some examples of molecules with Ionic Bonds? | NaCl, KCl, NaOH
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| What charge do Atoms normally have? | neutral
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| What would happen if an Atom lost Electrons? | Atom would have a POSITIVE (+) charge
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| What would happen if an Atom gained Electrons? | Atom would have a NEGATIVE charge
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| What is a Hydrogen Bond? | a bond which uses ELECTROSTATIC Attraction
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| Where do Hydrogen Bonds occur? | usuall between a Hydrogen in one Polar molecule & and an Oxygen in another/ different part of same molecule
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| What do Hydrogen Bonds determine? | the Physical Characteristics or SHAPE of Molecules
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| What are some examples of Hydrogen Bonds? | between H2O, within DNA & Proteins
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Created by:
Kristel
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