Need Help with Chemistry work.

Oct 28th, 2015
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Chemistry
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Question description

1 which of the following situations best describes an ionic bond?

2 atoms gain electrons and an electostatic force attracts them

one atom gains an elctron while the other atoms loses an electron and an electrostsic force repels them

one atom gains an electron while the other atom loses an electron and an electrostatic force attaracts them

2 atoms each give up an electron and an electrosatsic force attacts them

2  which of the following pairs of elelments would most likely form a salt

Na and Ca

H an He

Ca and Br

Cl and Fl

3 a salt forms in the reaction of barium with chlorine what is the most likely formula unit of this salt

BaCl

BaCl2

BaCl3

Ba2Cl

4 which of the following would have an electrostsic force of attraction between them

Na+ and Ne

Br- and O2-

Na+ and K+

K+ and O2-

5 soldium flourine is a common ingedient in toothpaste what is the most likely formula unit of salt

NaF2

NaF

NaF3

Na2F

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