What happens to the atomic radius as the atomic number increases down and why

Electrons orbit the nucleus in specified energy

What is the volume of 70.0 g of ether if the density of ether is 0.70 g/mL?

One similarity between a small, solid sample of aluminum and a large, liquid sample of aluminum is that both samples have A a definite shape. B a definite volume. C the same number of atoms. D the same amount of energy.

Avogrados number of representatives particles is equal to one what?

Which Group 15 element exists as diatomic molecules at STP? (1) phosphorus (3) bismuth (2) nitrogen (4) arsenic

The line of longitude used as the origin in a system of coordinates

In the ground state, has only 1 electron in a p orbital. A. carbon B. fluorine C. hydrogen D. nitrogen E. aluminum

Which of the following is a mixture? alcohol water mercury ink

A gas occupies 3.5 L at standard pressure. Find the volume of the gas when the pressure is 1.5 atm.

What is the temperature (in K) of 16.45 moles of methane gas in a 4.95 L container at 4.68 atm?