What dose it mean to say that mass is conserved during a physical change?

Which of the following is true about carbon dioxide? a.) Carbon and oxygen are chemically bonded in it. b.) Carbon and oxygen retain their original identity in it. c.) It can be separated into carbon and oxygen using physical methods. d.

Which two types of matter are pure substances? A homogenous mixtures and elements B solutions and compounds C elements and compounds D mixtures and elements

When one species benefits from the relationship and the other species is neither harmed nor benefited it is called

Matter that has a uniform and definite composition is called?

ZnCl2+AgNO3=Zn (NO3) 2+AgCl

When DNA is condensing into a chromosome, what protein is it wrapped around?

How does tye transfer of energy affect physical and chemical properties of matter

According to valence bond theory, which kind of orbitals overlap to form the p-cl bonds in pcl5?

Ionic bonds are strong; therefore, ionic compounds

A cells that carry information through tour nervous system