Pick the two true statements from the following: graduated cylinders are used to measure volume. all graduated cylinders measure liquids with the same precision. graduated cylinders are the only instruments used to measure volume in the laboratory. always read a graduated cylinder from the bottom of the meniscus.

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘