As the elements in period 3 are considered in order of increasing atomic number, there is a general decrease in

1) Atomic mass

2) Atomic radius

3) electronegativity

4) first ionization energy

18. The pressure of moving air is called.

Adding concentrated sulfuric acid to sugar What reaction is this?

Why does beryllium lose electrons when forming ionic bonds, while sulfur gains electrons?

Garfield (weighing 24 lbs) took a flight to the moon on the space shuttle. As usual, he stuffed himself with lasagna during the entire flight and napped when he wasn't eating.

A mass of chemicals contains 100 units of potential energy. after an explosion, all the chemical energy is converted into thermal, radiant, and mechanical energyl. what is the sum of these three forms of energy after the explosion? 0 units 33.

What will be the charge of sulfur

The eight most common elements in Earth's crust are: O, Si, Al, Fe, Ca, Na, K, and Mg. These elements account for 98% of the atoms in Earth's crust.

A single electron can have the following set of quantum numbers: n=3, l=2, ml=0, ms = - 1/2. True or False

What shape is the magnetic field produced when current is passed through a wire? a. Parabolic b. Elliptical c. Circular d. Bimodal

What year was the hole in the ozone layer detect in the antarctica?