Chlorine and element X have similar chemical properties. An atom of element X could have an electron configuration of

(1) 2-2 (2) 2-8-1 (3) 2-8-8 (4) 2-8-18-7

A sealed, insulated calorimeter contains water at 310 K. The surrounding air temperature is 298 K, and the water inside the calorimeter remains at 310 K two hours later.

Ecology is one component of environment science that studies organisms

Why do cats purr when they are happy?

Why is iron placed in the d-block of the periodic table?

What force is needed to accelerate a truck with mass 3,000 kg at a rate of 2.0 m/s22 O A. 1500 N O B. 6000 N O C. 12,000 N O D. 3000 N

True or False: DNA is our genetic make-up. It is why we have a certain eye color, and hair color, etc.

Which hybrid orbitals would be formed if one s orbital and three p orbitals combined?

The way light bounces off a minerals surface is describe by the minerals

Physical properties can be used to describe matter. Some properties are dependent on the amount of matter present. All BUT ONE of these physical properties changes with the amount of matter. That is A) density. B) mass. C) volume. D) weight.

Which term best describes the substances that cause oil and water molecules in salad Dressing to interact and mix? surfactants miscible liquids immiscible liquids compressed molecules