Two atoms that isotopes of one another must have number of what

a. all particles

b. electrons

c. protons

d. neutrons

Alkanes are saturated organic molecules that contain only carbon and hydrogen atoms connected through single bonds.

8 Gold can be flattened into an extremely thin sheet. The malleability of gold is due to the (I) radioactive decay, mode of the isotope An-19S (2) proton-to-neutron ratio in an atom of gold (3) nature of the bonds between gold atoms (4) reactively

What volume does 1.954 moles of argon occupy at STP

What is the mole fraction of h2s in the gas mixture of gases made up of 7.0 g of H2S, 10.0 g of CH4 and 12.0 g of O2

How many neutrons does element X have if its atomic number is 31 and its mass number is 80?

Which reaction is endothermic? H2 (g) + ½ O2 (g) → H2O (g), ΔH = - 57.82 kcal ½N2 (g) + O2 (g) + 8.1 kcal → NO2 (g) ½N2 (g) + 3/2H2 (g) → NH3 (g) + 11.0 kcal C (diamond) + O2 (g) → CO2, ΔH = - 94.50 kcal

If a temperature increase from 10.0 ∘C to 21.0 ∘C doubles the rate constant for a reaction, what is the value of the activation barrier for the reaction

Chlorine released from chlorofluorocarbons (cfcs) reacts with ozone in the atmosphere to form oxygen. the proposed reactions are cl (g) + o3 (g) →clo (g) + o2 (g) clo (g) + o (g) →cl (g) + o2 (g) identify the species that acts as a catalyst and the

What does one of the elements in the periodic table have?

Children's reactions to divorce often include which of the following groups of behaviors?