What happens during a physical change? A. New substances are found B. the identity of the substance is changed C. A chemical reaction occurs D. A substance may look different but not lose its identity

An atom of argon in the ground state tends not to bond with an atom of a different element because the argon atom has (1) more protons than neutrons (2) more neutrons than protons (3) a total of two valence electrons (4) a total of eight valence

Which physical state of matter exhibits the greatest change in volume with changes or temperature or pressure?

Calcium carbonate was placed in a flask on a balance, and dilute hydrochloric acid was added. Carbon dioxide gas was produced and escaped from the flask. The total mass of the flask and its contents was recorded every 10 seconds.

A chemical change is like a physical change because no new substance is formed. Agree or DIsagree and reason why

3 The volume of a gas is 50.0 mL at 20.0 K. What will be the new temperature if the gas is compressed to 10.0 mL under constant pressure? A 100 K B 10.0 K C4.00 K D 5.00 K

How are linear and nonlinear graphs alike

Uranium nuclei split during nuclear fission true or false

Calculate the mass of 2.25*10^22tungsten atoms.

Which weathering process involves physical forces but not chemical reactions or dissolving of minerals

Convert 4.57X-3m to the equivalent length in nanometers