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Chemistry Unit Review Science 6 Flashcards | StudBud
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Chemistry Unit Review Science 6
Chemistry Unit Review Science 6
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Review about the atom, periodic table and Chemical vs. Physical change
Flashcards
17 cards
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Questions
17
Answers
1
Which group of elements make up most of the Periodic Table?
Metalloids
Gases
Metals
2
Molecules can also be compounds
True
False
3
The periodic table is an organized set of ____________ that combine to create __________.
elements; compounds
compounds; elements
atoms; molcules
compounds; atoms
4
The rows/periods on the periodic table tell us the number of energy levels of an atom.
True
False
5
Columns/groups on the periodic table tell us the number of electrons on the 1st energy level
True
False
6
This only alters the size, shape or state of objects
Chemical Change
Physical Change
7
The Law of Conservation of Mass states:
Mass never is destroyed it only changes shape
Mass of the reactants must equal the mass of the products
Energy will never be created of destroyed
8
The combination of salt and water is a chemical change
False
True
9
Two or more substances that have
not
chemically reacted
Mixture
Compound
Product
10
Different combined elements; represented by a chemical formula
Solution
Mixture
Molecule
Compound
11
The new substance made during a chemical reaction is called?
Compounds
Matter
Reactants
Products
12
Which of the following is
not
the result of a chemical change
Change from one color to another color
Change is shape
Production of an odor
Production of Bubbles
13
Results in a new substance
Physical change
Chemical change
14
Which two are found in the nucleus of an atom?
Proton & Neutron
Electron & Neutron
Proton & Electron
15
An example of Qualitative Data is
50 grams
Red
10 cm
40°C
16
The smallest amount of a substance that retains all of the features of that substance
Molecule
Atom
Element
17
What is the Atomic number equal to?
Number of Energy levels
Number of Electrons
Number of Protons
Number of Neutrons
