How many moles are contained in a 4.67-l sample of gas at 30°c and 199 kpa?

What is the fundamental difference between covalent and ionic bonding? in a covalent bond, the partners share a pair of electrons; in an ionic bond, one partner accepts electrons from the other.

How can carbon cycle very quickly back into the enviornment

Plates include large sections of Earth Oceanic or Continental

Which is least likely to occur after an experiment is conducted to test a hypothesis? a. The data is analyzed to see if it supports or refutes the hypothesis. b. The same experiment is conducted again to see if the data are reliable. c.

Removing energy from neon gas may cause which of the following outcomes

Complete and balance the molecular equation, including phases, for the reaction of aqueous ammonium bromide, nh4br, and aqueous lead (ii) acetate, pb (c2h3o2) 2.

A magnesium atom has 2 valence electrons in its third shell. Which is a TRUE statement about what happens when it forms an ion? A. It will be an anion. B. It will have more electrons than protons. C.

What scientific discoveries led to changes in Dalton's atomic theory?

What does berkelium react with

Classifying living things