The charge of an electron is

a. - 2.

c. 0.

b. - 1.

d. 1.

How can you determine if a reaction is an acid base reaction?

Element Yourneighbor (Yn) has an atomic mass of 126 amu and has six known isotopes. Isotope 1 has a mass of 120 amu and a relative abundance of 8%. Isotope 2 has a mass of 117 amu and a relative abundance of 12 %.

Which two gases are most abundantly emitted in volcanic outgassing? a. nitrogen and oxygen b. hydrogen and helium c. carbon dioxide and methane d. water vapor and sulfur dioxide?

A Cadillac Escalade has a mass of 2 569.6 kg, if it accelerates at 4.65m/s2 what is the net force on the car?

Naaphthalene will not participate in Diels Alder Reaction, why?

How are elements different from compounds?

A new concept that is tested in a scientific investigation is known as

Which of the following is responsible for the exchange of gases in a leaf? the phloem the spongy mesophyll the stomata

What is the thermochemical equation for the combustion of methane. Methane formula: CH4 (g) and the deltaH comb - 891 (kJ/mol)

What is the mass of one mole of an element that has aan atomic mass of 6.94?