Which statement about sodium chloride is correct? The sodium atom transfers electrons to the chlorine atoms to form ionic bonds.

The sodium atom and the chlorine atoms share electrons to form ionic bonds.

The sodium atom transfers electrons to the chlorine atoms to form covalent bonds.

The sodium atom and the chlorine atoms share electrons to form covalent bonds.

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas