Which statement describes a periodic trend of atomic radius?
o
a. it tends to decrease from left to right across a period.
o
b. it remains the same within a period.
o
c. it remains the same within a group.
o
d. it tends to decrease from top to bottom of a group.

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.

What does a numerical subscript following an element in a chemical formula mean?

How many peaks will be present in a mass spectrum for brcl?