An atom has 7 protons and 3 neutrons. How many electrons would it take to make the atom neutral?

How would you build a model that is ionized? what happens if an atom is too ionized? how would you build a model that is radioactive? what happens if the imbalance between protons and neutrons becomes too great

What chemical change occurs when a more reactive substance replaces a less reactive substance in a compound? a. Oxidative c. Reduction b. Displacement d. Endothermic

The volume of a gas is reduced from 4 L to 0.5 L while the temperature is held constant. How does the gas pressure change? It increases by a factor of two. It increases by a factor of eight. It decreases by a factor of eight.

What would you predict is worse based on your knowledge of quantum theory - a weak beam of ultraviolet light, or an intense beam of infrared light?

When may a scientific theory be revised? -never, once it has been published -when a single experiment's data goes against it -when a new hypothesis provides a better explanation -after a large amount of data refutes it

Are all individuals in a population of animals or a population of plants identical

What is the valency of rhodium

If you were given 10.0 mL of 2.0 M H3X, how many milliliters of 2.0 M NaOH would it take to completely neutralize the acid?

What are some solid mixtures in a classroom

What is the electron configuration of aluminum?