A solution has pH = 0 its H+ ion concentration is__________________?
A. 1 x 10-1 B. 1 x 10-14 C. 1 x 10-7 D. 1
A. 1 x 10-1 B. 1 x 10-14 C. 1 x 10-7 D. 1
A. whole amount of reactant does not change into product B. chemical equilibrium is established C. a catalyst changes the direction of reaction D. rate of forward reaction decreases as…
A. VSEPR B. VBT C. MOT D. none of the above
A. Be+2H2O?Be (OH)2+H2 B. Be+H2O?Be (OH)2+H2 C. Be+H2O?[Be (OH)4]+2+H2 D. no reaction
A. copper B. ice C. diamond D. graphite
A. sodium B. diamond C. graphite D. magnesium
A. Teflon B. asbestos C. saran D. acrylic
A. Electrons fill orbitals with parallel spins until all the orbitals of the same energy are half filled then they go into sub-shells with anti-parallel (opposite) spin. B. The electrons…
A. 0.33 nm B. 0.34 nm C. 0.35 nm D. 0.36 nm