Elements and Chemical Bonds

Which is a property of covalent compounds?

• poor conductor

• good conductor

• high melting point

• always solid at room temperature

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Which group of elements is the most stable?

• metals

• metalloids

• nonmetals

• noble gases

Ionic bonds are formed to create

• energy

• stability

• more atoms

• valence electrons

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A bond between a positively and negatively charged atoms

• metallic bond

• ionic bond

• polar bond

• chemical bond

A force that holds atoms together

• metallic bond

• ionic bond

• polar bond

• chemical bond

A chemical bond formed when positively charged atoms share their electrons

• metallic bond

• ionic bond

• chemical bond

• polar bond

An atom that is no longer electrically neutral

• polar molecule

• ion

• nonpolar molecule

• covalent molecule

Has a slight positive end an a slight negative end because of unequal sharing of electrons

• ionic bond

• polar molecule

• nonpolar molecule

• valence electron

The part of an atom that participates in chemical bonding

• electron dot digram

• valence electron

• protons

• neutrons

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NGSS.HS-PS1-1

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How are elements in a group NOT similar?

• They have the same amount of valence electrons

• They increase in atomic number

• They share similar characteristics in terms of stability and bonding

• They all form ionic compounds