Element A has seven valence electrons. How does its reactivity compare to that of element B, which has four valence electrons?

A prion is an infectious self-reproducing protein structure. true or false

Which phrases describe S waves? behave like a ripple move through liquids only are classified as primary waves are known as a type of direct evidence

When 2.85 moles of chlorine reacts with excess tin, how many moles of tin (IV) chloride are formed?

Energy leaves the sun as light from region called the?

Animals store glucose in the form of A) amylose B) glycogen C) glycerol D) guanine E) cellulose

What is the structural difference between atp and datp?

What was henri becquerel studying when he accidentally discovered radioactivity?

A substance which is made up of identical atoms is a (n): chemical element compound alloy

Which answer choice correctly explains how the structure of ionic compounds differs from covalent compounds? Ionic compounds are made of a network of ions while covalent compounds are made of a network of molecules.

If 3.0 mol of NaOH is dissolved in. 50 L of water, what is the molarity? Select one