An element's atomic number is 29. How many protons would an atom of this element have?

How to predict if a substance will dissolve in water?

What is the most important structural feature of the water molecule

What would happen if the urinary system organs stopped working properly

Which element is likely to be the most brittle

In the first law of thermodynamics, angle E = Q - W, what does Angle E stand for? A. The heat added to the system B. The internal energy of the system C. The work done by the piston D. The change in the internal energy of the system

What is the [H3O+] of a solution with a pH of 2.56? 2.56 M, 2.75 x 10-3 M, 363 M, or - 0.408 M

What is the law of conservation of energy? A) energy can only be destroyed B) energy will always be renewed. C) energy cannot be created of destroyed. D) energy can never change forms.

Most metals are solid at room temperature, malleable, ductile, good conductors of heat and electricity, and react in acids to produce hydrogen gas. which of the properties mentioned is a chemical property? a. are malleable b. reacts with acids c.

Silver tarnishes when it comes into contact with hydrogen sulfide in the air. physical property or chemical property

When a volcanic irruption adds new rock to existing land and forms new islands is it considered destructive?