An atomic nucleus must contain at least one neutron or else the force of attraction of the electron (s) will collapse the atom. True/false

Which of the following is true for compounds?

The digestive system is the body system that Text to speech A:A. breaks down food into substances that can be absorbed and used for energy. B:B. gets rid of the remaining solid waste that cannot be absorbed. C:C.

Arrange the following molecules according to increasing rate of diffusion across a lipid bilayer without the aid of any membrane protein: glucose, Ca2 N2, H2O. N2 < H2O < glucose < Ca2 glucose < Ca2 < N2 < H2O Ca2 < glucose < H2O < N2

In the construction of bridges and sky scrapers, gaps must be left between adjoining steel beams to allow for expansion and construction of the metal due to heating and cooling. The temperature of a sample of iron with a mass of 20.

A gas in a rigid container at 25°C has a pressure of 0.96 atm. A change in temperature causes the pressure to increase to 1.25 atm. What is the new temperature of the gas? a ... - 44.2°C b ... 32.6°C c ... 115°C d ... 388°C

Which of these measurements could be the pressure of a gas? O 725K 725 mmHg 725 grams 725 meters

Propane gas (C3H8) is combusted at a constant temperature and pressure. If 34.35L of propane react, what volume of oxygen is required? What volume of carbon dioxide is produced?

How is an organism related to a population?

The anion formed from an oxygen atom is called a (n) a. oxygen ion. c. carbon dioxide. b. oxide ion. d. nitrous oxide.

These values also increase from the bottom to the top of a group because the size of the atom decreases, resulting in a distance between the nucleus and the valence electron shell, which increases the attraction between the protons and electrons.