Chemical Bonding Answers

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Which atom is most likely to form a metallic bond?

aluminum (Al)

helium (He)

phosphorus (P)

carbon (C)

The electron dot diagram shows the arrangement of dots without identifying the element.

boron (B)

neon (Ne)

rubidium (Rb)

arsenic (As)

The electron dot diagram shows the arrangement of dots without identifying the element.

carbon (C)

tellurium (Te)

beryllium (Be)

cesium (Cs)

Hee Sun drew an electron dot diagram of a silicon atom as shown.

The dot to the left of the symbol would be removed in the diagram for carbon.

The same number of dots would appear in the diagram for carbon.

There would be two dots above and to the right of the symbol in the diagram for carbon.

The single dots would be replaced with two dots on each side of the symbol in the diagram for carbon.

Fluorine (F) and bromine (Br) are in the same group on the periodic table. How do atoms of these elements compare when they form bonds?

Both a fluorine atom and a bromine atom lose one electron, and both atoms become stable.

A fluorine atom becomes stable by losing one electron, but a bromine atom cannot become stable by losing only one electron.

Both a fluorine atom and a bromine atom gain one electron, and both atoms become stable.

A fluorine atom becomes stable by gaining one electron, but a bromine atom cannot become stable by gaining only one electron.

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