Read the statement. Beryllium fluoride is an ionic compound with the following formula:
BeF^2
What are the charges of beryllium (Be) and fluorine (F) ions in this compound?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Using the thermodynamic information in the aleks data tab, calculate the standard reaction free energy of the following chemical reaction: →+p4o10s6h2ol4h3po4s round your answer to zero decimal places.