15 points when calcium forms an ion, what is its charge? 2+ 3+ 2- 3-

Write the overall equation for the reaction for lithium battery

Which statement names the physical property of wood a. wood is softer than coal b. wood does not rust c. wood can rot d. wood can burn

An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability