In which of the following are the symbol and name for the ion given correctly

A. NH4+: ammonia; H+: hydride

B. C2H3O2-: acetate; C2O4-: oxalite

C. OH-: hydroxide; O2-: oxide

D. PO3 3-: phosphate; PO4 3-: phosphite

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