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Semester 1 Study Guide Chemistry
Chapter’s 5-7
What happens to electrons in a covalent bond?
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What happens to electrons in an ionic bond?
3
What is the difference between a non-polar covalent bond and a polar covalent bond?
4
What kind of bond forms between C & N?
5
What kind of bond forms between Li & Cl?
6
What kind of bond forms between H & O?
7
What atoms are mostly found in living organisms?
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What kind of bonds are found in Salts?
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How many bonds can Carbon form with Hydrogen, what kind of bond are they?
10 Why do salts form a crystal structure?
11 Draw a picture of a Crystal structure with 8 + ions and 8 - ions.
12 Lewis dot structures have how many electrons maximum?
13 How many electrons are shared in a double bond?
14 What is the relative energy level of a lewis dot electron?
15 How many molecules of water are 2 moles of H2O?
16 Define electronegativity
17 Why is carbon common in living organisms?
18 Define an anion?
19 Define a Cation?
Chapter’s 1-4
20 What kind of shape and volume do gases, liquids, and solids have?
21 What kind of change occurs chemical or physical?
a. salt is mixed with water
b. a nail is turning rusty
c. a apple turns rotten
d. an ice cube melts
22 H2 + O2 = H2O; Name the products and the reactants
23 What is matter and not matter?
a. light
b. water
c. energy
d. air
e. Hamburger
24 What is density composed of?
25 How can we measure matter?
26 Define Allotrope.
27 Define Isotope.
28 What is the difference between mass and weight?
29 Give me two examples of isotopes?
30 What is homogeneous
31 The energy that comes from creating chemical bonds is?
32 What is the law of conservation of energy?
33 Give one example.
34 What is the law of conservation of energy?
35 give one example.
36 What is specific heat and does specific heat vary between different substances?
37 Why is the scientific method used?
38 What is a model?
39 What is precise?
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43
Tell the significant digits in the following examples.
23.252000
0003,567,022.
7.5000000
44 What subatomic particles are included in the mass number of an atom? What is the
mass number of an unknown atom with 12 electrons, 12 protons and 14 neutrons?
45 What happens when light passes through a prism? What is product called that is created
from light passing through a prism?
46 What is Bohr’s law?
47 What is the Aufbau principle?
48 What is the Pauli exclusion principle?
49 What is the periodic law?
50 What is a transmutation?
51 What is the study of Chemistry?
52 Convert 23 grams of Iron Oxide to centigrams?
53 How did the universe begin according to scientists?