What is the maximum number of electrons in the first electron shell, closest to the nucleus?

a. 1

b. 2

c. 4

d. 8

Give chemical name for (NH4) 3PO4

What is the volume of 20.0g of benzene (0.88g)

What is the current best theory to describe how the moon formed?

Which part of the circulatory system is responsible for exchanging nutrients and waste

What does a positive standard reduction potential mean about a given element? The element is more readily oxidized than hydrogen. The element is more readily oxidized than most other elements. The element is more readily reduced than hydrogen.

Which civilization formed a confederation thay may have impacted the us government A. Powhatan B. Algonquian C. Iroquois D. Anasazi

Jasmine breathed against the window pane and noticed that her breath made a spot on it from the water vapor in her breath. Which stage of the water cycle does this show? A. precipitation B. evaporation C. condensation D. transpiration

Amber has developed a line of organic lotions and handmade soaps with unique, herb-based scents and a touch of bee balm. She plans to sell these products to the wealthy residents of a nearby resort town.

Two pure elements react to form a compound. One element is an alkali metal, X, and the other element is a halogen, Z. Which of the following is the most valid scientific claim that can be made about the compound? a. It has the formula XZ2 b.

Are protons positive and neutrons neutral