is an atom that gains electrons; it's valence electrons is similar to a noble gas. ionic bond
covalent bond
anions
cations
melting point
boiling point
conductivity
polyatomic ions
valence electron
Metal
nonmetal
metaloids

A48 g piece of ice at 0.0 ∘c is added to a sample of water at 7.4 ∘c. all of the ice melts and the temperature of the water decreases to 0.0 ∘c. how many grams of water were in the sample?

Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)

What volume would 2.25 moles of ne has occupy at stp?