Chemistry Exam 2 Questions?

Question

1. the properties of a compound are __ the properties of the elements that form it.
A. similar to
B. different from
C. identical to
D. derived from

2. reactions between atoms involve only __.
A. valence electrons
B. inner electrons
C. neutrons
D. protons

3.oppositely charged ions attract each other, forming a(n) __ bond.
A. covalent
B. crystal
C. ionic
D. molecular

4. the formula for iron (lll) oxide, Fe2Cl3, shows that one unit of the compound contains __ iron atoms.
A. 2
B. 3
C. 5
D. 6

5. two atoms of bromine react with each other to form a(n) __ bond.
A. covalent
B. ionic
C. crystal
D. molecular

6. noble gases are sometimes used to protect valuable documents because they are __.
A. molecular
B. totally inert
C. unreactive
D. unstable

7.when reacting with an atom of fluorine, an atom of lithium will lose an electron and become a lithium __.
A. compund
B. crystal
C. ion
D. molecule

Answer 1

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Answer 2

sounds like college degree chemistry. it is been approximately 6 years as quickly as you communicate approximately that I graduated, in spite of if i think the respond could desire to be c. the key is to push the gadget to the main appropriate, by using this which incorporate greater desirable appropriate reagents to the different part for conversion or removing between the main important very final product purely so there are greater desirable appropriate reactants available to form greater desirable appropriate product. which includes N2 won't do in spite of to help questioning the two components of the equation have already have been given the comparable quantity of nitrogen, so it is going to definitely develop equilibrium. want that helps.

Answer 3

1. B
2. A
3. C
4. 2
5. A
6. C (They are not totally unreactive. One can have XeF6.)
7. C