1. Why were atoms given the name of "atom" which means "unable to be cut?"

One isotope of lead has 82 protons and 124 neutrons in its nucleus. What is the number of protons in the nucleus of any other isotope of lead?

When sugar is dissolved in water, there is hardly any increase in volume. Which characteristic of matter is illustrated by this observation?

Which energy transformation occurs when an electrolytic cell is in operation? (1) chemical energy → electrical energy (2) electrical energy → chemical energy (3) light energy → heat energy (4) light energy → chemical energy

A solvent is A. a substance that causes other substances to enter the plasma phase. B. a substance that dissolves another substance. C. a substance that causes protons to be extracted from the nucleus.

If you have 3.50 moles of hydrogen and 5.00 moles of nitrogen to produce ammonia, how much ammonia (in grams) is produced? 3H2 + N2 - - > 2NH3

Carbon monoxide reacts with oxygen to form carbon dioxide. 2 CO (g) + O2 (g) → 2C02 (8) In a 1.00 L flask, 3.40 atm of CO reacts with 2.60 atm of O2. Assuming that the temperature remains constant, what is the final pressure in the flask? 4.30 atm 2.

The nerves that Branch out from the spinal cord and connect to the body

The term southern oscillation most nearly refers to

Which kelvin temperature is equivalent to 20°C

When a piece of magnesium metal is added to hydrochloric acid, what gas is produced?