What element forms an ion with an electronic configuration of [Ne] and a - 2 charge?

Which of these terms might be a chemical compound? iron floride helium neon?

What is the definition of heat?

A closed flask contains water at 70 deg C. The total pressure of the air-and-water-vapor mixture is 500.0 torr. What is the partial pressure (in torr) of the air in this flask? Use your book for the vapor pressure of water at this temperature.

Which question can be answered using the scientific method? A) Which Flower Smells The Best? B) What is my purpose in life? C) What color is the most attractive? D) Which dog food is best for healthy teeth?

What is the total number of atoms of oxygen in the formula Al (ClO3) 3. 6H2O?

How do you express 0.00026 in scientific notation

All organisms need instructions to specify their traits. The instructions, or code, that is responsible for all the inherited traits of an organism.

1. Are state changes chemical or physical changes? Provide an example of a state change and explain why it is a chemical or physical change.

What is the morality of a 750.0 milliliter solution containing 2.5 miles of solute?

An electron in a sodium atom moves from the third shell to the fourth shell. This change is a result of the atom (1) absorbing energy (3) gaining an electron (2) releasing energy (4) losing an electron