How many neutrons does an atom of al-27 have? (hint: look at the periodic table for the atomic number aluminum (al) 13 14 27 40 aluminum has the atomic number of 13?

The prefix used for 100 times the base unit is

Why is saponification

What is clay particles mm

What are crystalline solids? A. Solids with heterogeneous organization B. Solids with a repeating atomic pattern O C. Solids with a random atomic structure D. Solids that break apart in jagged pieces

A 5.50 gram sample of c2h6 gas has a volume of 2.50l. If the sample is at 41.2c what will it's pressure be?

What is the name of a binary compound made up of lithium and chlorine?

A scientist in London and a scientist in California both conducted independent investigations that produced similar results.

When magnesium combines with oxygen, the reaction involves a. a conversion of protons into electrons. b. sharing of electrons between Mg and O. c. transfer of electrons from Mg to O. d. transfer of electrons from O to Mg.

The activation energy for the reaction no2 (g) + co (g) ⟶no (g) + co2 (g) is ea = 100 kj/mol and the change in enthalpy for the reaction is δh = - 375 kj/mol.

What process transform solar energy into chemical energy?