Physical Science Review Benchmark 1 Question Preview (ID: 58446)
This Is A Review Of First Semester Physical Science. This Review Includes Bonding And Reactions.
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What is the reaction of CaO ------- Ca + O2 ?
a) Synthesis
b) Decomposition
c) Single Replacement
d) Double Replacement
This represents what type of reaction? AB + CD ----- AC + BD
a) Synthesis
b) Decomposition
c) Single replacement
d) Double Replacement
Balance CF4 + Br2 ------ CBr + F2
a) 2,1,2,4
b) 2,2,2,2
c) 2,1,22
d) 2,2,2,4
What is the reaction of CF4 + Br2 ------- CBr + F2
a) Synthesis
b) Decompostion
c) Single Replacement
d) Double Replacement
What type of reaction is NaHCO3(s) + HC2H3O2(l) ------- H2CO3(aq) + NaC2H3O2(aq)
a) Synthesis
b) Decomposition
c) Single Replacement
d) Double Replacement
2Na(s) + Cl2(g) ------ 2NaCl(s)
a) Synthesis
b) Decomposition
c) Single Replacement
d) Double Replacement
Balance N2 + H2 ----- NH3
a) 1,2,2
b) 1,3,2
c) 1,3,2
d) 1,3,3
The chemical bond formed when two atoms share electrons is called a
a) Covalent bond
b) Ionic bond
c) Alloy
d)
What type bond is formed between oxygen atoms
a) Ionic
b) Covalent
c)
d)
Anions are formed by
a) Gaining Neutrons
b) Gaining Protons
c) Gaining Electrons
d) Gaining the Nucleus
Atoms become positive ions by
a) Losing electrons
b) Losing protons
c) Gaining electrons
d) Gaining protons
The chemical bond formed when two atoms share electrons is called a
a) Covalent bond
b) Ionic
c)
d)
When do atoms form an ionic bond?
a) When two metals form a alloy
b) When a nonmetal and a metal share electrons
c) When there is a metal and a nonmetal that are bonded
d) When two nonmetals share electrons
How does an atom of aluminum become an ion?
a) It gains three electrons
b) It gains three protons
c) It loses three electrons
d) It loses three protons
Which atoms are most likely to form a covalent bonds?
a) Nonmetal atoms that share electrons
b) Metal atoms that share electrons
c) Metal and nonmetals that share electrons
d)
Electrons involved in the formation of chemical bonds are called _____.
a) Ionic electrons
b) Groups
c) Valence electrons
d) Alloy electrons
The properties of a compound are ________ the properties of the elements that form it.
a) Different from
b) Same as
c)
d)
What is something similar between an ionic and covalent bonds?
a) Both share electrons
b) Both make the element more stable
c) Both bond nonmetals to metals
d)
Why do noble gases rarely form compounds?
a) They are highly reactive
b) Because they're already stable they're outermost energy levels are already complete
c)
d)
What type of bond is formed between sodium and chlorine?
a) Ionic
b) Covalent
c)
d)
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