According to Dalton, what happens to atoms during a chemical reaction?

1. Old atoms are destroyed.

2. Atoms gain or lose energy.

3. Atoms are rearranged.

4. New atoms are created.

How many sodium ions are in 3.0 moles of nacl

When is type 2 diabetes usually diagnosed? Before birth After death. As an adult As a child.

What happens when carbon dioxide at 74°C is placed in thermal contact with water at 14°C? Energy leaves the carbon dioxide and enters the water. The water gets hotter than the carbon dioxide. The temperatures of the two substances equalize.

Mass can be measured in which of the following? grams, meters, liters, both A and B

When a potassium atom forms an ion, it loses one electron. What is the electrical charge of the potassium ion? A. -2 B. -1 C. +2 D. +1

4. What electrons are involved in chemical bonding?

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

What is the formula for lithium iodide

Which statement would be the most useful for deriving the ideal gas law? Volume is directly proportional to the number of moles. Volume is inversely proportional to the temperature. Pressure is directly proportional to the volume.

What monomers are used to construct this polymer and where are they found?