Which of the following represents a pair of isotopes?

F 1h and 3h

G 16O2 - and 19F-

H 40K and 40Ca

J 16O2 - and 32S2-

How does a hydrogen ion change into a hydrogen atom

Analyze the bonding and structure of water and isopropanol. determine the type of bonding of each; ionic or covalent, polar or nonpolar. what types of substances are most likely to dissolve in each one?

Is C2H6 empirical molecular or both

What are ribosomes made of?

Which group contains elements composed of diatomic molecules at stp

Where are two places that scientists obtain scientific knowledge

Which of the following best describes what happens when an ionic bond forms? A) two atoms come together and share electrons in order to fill their octets. B) two atoms give up their electrons in order to form a bond.

Describe the attraction between 2 atoms as a result of sharing electrons

I need to know about mitosis and meiosis

What is sediment and debris, and what role does it play in the way sedimentary rock forms?