Chemical Reaction 1 Types of Reaction Bonding Periodic
Chemical Reaction 1 Types of Reaction Bonding Periodic Table Atoms General Chem 100 100 100 200 200 200 300 300 300 400 400 400 500 500 500
What are the reactants in the following reaction? CH 4 + O 2 H 2 O + CO 2
CH 4 + O 2
What are the products in the following reaction? 2 Na + Cl 2 2 Na. Cl
Na. Cl
DAILY DOUBLE Balance the following chemical equation: H 2 + O 2 H 2 O
2 H 2 O + O 2 2 H 2 O
Balance the following chemical reaction: Fe + O 2 Fe 2 O 3
4 Fe + 3 O 2 2 Fe 2 O 3
When a chemical reaction occurs in a closed system, The mass before the reaction is _______ to the mass after the reaction
Equal
Classify the following reaction: Cu(NO 3)2 + 2 Na. OH Cu(OH)2 + 2 Na. NO 3
Double-Replacement
Classify the following reaction: Cu(OH)2 Cu. O + H 2 O
Decomposition
Classify the following reaction: 3 Cu. SO 4 + 2 Al Al 2(SO 4)3 + 3 Cu
Single-Replacement
Activating a chemical hand warmer is an example of an _____ reaction.
Exothermic
Activating an instant cold pack is an example of an ____reaction
endothermic
Sodium forms an ionic bond with chlorine when sodium _____ an electron and chlorine _____ an electron.
Loses, gains
Elements in group 1 on the periodic table would most likely bond with elements in which groups
5, 6, or 7
Covalent bonding occurs when electrons are ____ between two atoms.
shared
Atoms that gain or lose electrons are know as ____.
ions
_______ Electrons may be lost or gained by an atom during bonding.
Valence
According to the periodic table, Iodine (I) will have chemical properties similar to which other elements?
Any group 17 (7 a) elements
Why do the noble gases, such as neon and krypton, not react to form compounds?
They already have 8 valence electrons.
Elements in the same column on the periodic table have similar reactivity because they have the same number of _____.
Valence electrons
According to the periodic table, in which period is krypton located?
Period 4
An atom of nitrogen has how many total electrons?
7
This kind of particle carries a negative charge and has almost no mass.
An electron
What does oxygen’s atomic number stand for?
# of protons in the nucleus
How many protons does an atom of copper have?
29
How many neutrons does an atom of Aluminum-27 have? (Mass number 27)
14
How many electrons does a neutral atom of Lithium have?
3
Carbon-14, Carbon-13 and Carbon-12 are an example of ____.
Isotopes
Is Gallium (Ga) an example of a non-metal.
No it is a metal
Is Neon an example of a Noble Gas?
Yes
DAILY DOUBLE _______. O 2 - is an example of a(n)
anion
Na. Cl is an example of a _____.
Ionic Compound
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