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Elements & Periodic Table Review Flashcards | StudBud
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Elements & Periodic Table Review
Elements & Periodic Table Review
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review for periodic table test
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
The most reactive metals are found in Family ___
18
17
2
1
2
Thenew substances produced by a chemical reaction is called the
products
formulas
reactants
3
Chemical reactions are represented by _________ _____________.
chemical formulas
oxidation numbers
chemical equations
4
The elements in a __________ of the periodic table have similar properties.
clan
table
period
family
5
In a neutral atom, there are
equal number of neutrons and electrons
equal number of protons and electrons
equal amounts of neutrons and protons
6
______representa compound using the chemical symbols of the elements involved in the reaction
Oxidation Numbers
Chemical Equations
Chemical Formulas
7
Cl is
non-reactive non-metal
highly reactive metal
highly reactive non-metal
8
H is
highly reactive non-metal
highly reactive metal
less reactive non-metal
9
The elements in family 18 are
metals and non-reactive
non-metals and highly reactive
non-metals and non-reactive
10
A molecule of Carbon Dioxide (CO
2
) looks like a
Mickey Mouse with C in the center and O's for ears
straight line - two O's next to each other and C on the end
straight line with C between the two O's
11
Substances that enter a chemical reaction are called the
formulas
products
reactants
12
The atomic number is comprised of ______ and _____ in an atom of an element
protons & electrons
neutrons & electrons
protons and neutrons
13
Substances that cannot be broken down chemically into other substances
elements
molecules
cells
atoms
14
A molecule of H
2
O looks like
Mickey Mouse with O in the center and H's for
Mickey Mouse with H in the center and O's for
a straight line with two H's and 1 O
15
During a chemical reaction, atoms will neither be created or destroyed. This is the...
The Law of Conservation of Matter
The Law of Conservation of mass
Law of Conservation of Energy
16
K is
non-metal and non-reactive
non-metal and highly reactive
metal and highly reactive
17
All matter is composed of extremely small particles called
elements
atoms
molecules
cells
18
The atomic number on the periodic table indicates the number of ______ in an atom of an element
neutrons
protons
quarks
electrons
19
The smallest particle of an element that maintains the properties of that element
atom
element
molecule
cell
20
Elements in Family 18 are called the
Alkali Metals
Noble Gases
Halogens
Alkaline Earth Metals
