How to tell if an element is more metallic

Convert 3.55 moles NaCl to formula units.

To separate hard candie and marbles what is the efficient method

The gap between plates at divergent boundaries is filled with a. rock b. dirt c. water d. magma

As you move down group one of the periodic table, what happens to the atomic radii? (a. They increase, because of the higher number of occupied energy levels. (b. They increase, because of the stronger attratction bewteen electrons and the nucleus.

A flask apparatus is composed of 3 round flasks all connected to a single tube through a stopcock in the closed position for each flask. The first flask contains 1.15 L He at 207 torr. The second flask contains 1.15 L Ne at 0.458 atm.

The molar mass of carbon is 12.01 g/mol. what is the mass of a 1.0 ' 109 carbon atoms?

The atomic mass oftitanium is 47.88 atomic mass units This atomic mass represents the 1) total mass of all the protons and neutrons in an atom of Ti 2) total mass of all the protons, neutrons, and electrons in an atom of Ti 3) weighted average mass

What does polar and nonpolar mean in science

Hydrogen is prepared commercially by the reaction of methane and water vapor at elevated temperatures.

What is the percent yield if 4.65 g of copper?