Are atoms mostly empty space

What is the mass of 4 moles of C2H6O?

According to the octet rule, what is true about the reactivity of halogens? A halogen atom has seven electrons in its valence shell, so halogens are very reactive.

Classify the definitions as that of an Arrhenius acid, an Arrhenius base, or that of a different type of acid or base. A substance that can accept a hydrogen ion from another substance.

Which of the following is an example of a Chemical reaction that you've seen in your everyday life? Salt dissolving Ice melting Water freezing Fire burning

Which compound can undergo an addition reaction?

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.

Given Mg (CO3) 2, CO2 and Cu3 (PO4) 2, provide the names for each of these molecules.