IN A TEST! NEED HELP

Compare the atomic radii of sodium and chlorine. Based on their positions in the periodic table,

A.) sodium has a larger radius because it is in column 1.

B.) sodium has a smaller radius because it is in column 1.

C.)chlorine has a larger radius because it is in column 17.

D.) their radii are equal because they are in the same period.

What type of scientific model does the flow chart represent? (a chart of the scientific process) a. conceptual b. mathematical c. physical d. virtual

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.