Chemical Reaction 1 Types of Reaction BondingPeriodic Table AtomsGeneral Chem 100 200 300 400 500.

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Presentation transcript:

Chemical Reaction 1 Types of Reaction BondingPeriodic Table AtomsGeneral Chem

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? 2Na + Cl 2  2NaCl

NaCl

DAILY DOUBLE Balance the following chemical equation: H 2 + O 2  H 2 O

2H 2 O + O 2  2H 2 O

Balance the following chemical reaction: Fe + O 2  Fe 2 O 3

4Fe + 3O 2  2Fe 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 + 2NaOH  Cu(OH) 2 + 2NaNO3

Double-Replacement

Classify the following reaction: Cu(OH) 2  CuO + H 2 O

Decomposition

Classify the following reaction: 3CuSO 4 + 2Al  Al 2 (SO 4 ) 3 + 3Cu

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 (7a) 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

NaCl is an example of a _________.

Ionic Compound