Is matter in the plasma state the most common in earth. True or False

Which is the largest atom? A. Bromine (Br) B. Chlorine (Cl) C. Iodine (I) D. Fluorine (F)

How many moles are in 4.5 g of magnesium sulfate

Aniline, a weak base, ionizes as follows: c6h5nh2 h2o → c6h5nh 3 oh - what is the ph of a solution that is 0.30 m in aniline (c6h5nh2) and 0.15 m in anilinium hydrochloride (c6h5nh 3 cl-), a soluble salt

Water is formed when two hydrogen atoms chemically combine with an oxygen atom. Which term best describes water? Question 4 options: A) Atom B) Compound C) Element

Ammonia gas decomposes according to the equation: 2nh3 (g) → n2 (g) 3h2 (g) if 15.0 l of nitrogen is formed at stp, how many liters of hydrogen will be produced (also measured at stp)

Limestone is primarily a crystal form of caco 3 . How many moles of oxygen are in a 1.25 mol sample of caco 3 ? Only include the numerical value in your answer. Do not include units.

The expression of 5522 km in scientific notation is

Gallium crystallizes in a primitive cubic unit cell. The length of an edge of this cube is 362 pm. What is the radius of a gallium atom?

Amy is holding one end of a jump rope. Her friend Beth is holding the other end of the rope. Amy swiftly moves the handle of the jump rope downward, creating a large wave in the rope. Will Beth feel a tug on the rope at her end?

Which is the balance equation for S8+O2=SO2