Oxygen is in group 16 of the periodic table. An oxygen ion (O2-) has a charge of - 2. Which of the following would be most likely to combine with an oxygen ion to form a new compound?

What is the volume of 120 mg of water? A. 1.2 dL B. 120 mL C. 120 L D. 1.2 L

What solutions have more OH - than H + ions? A. reactants. B. acids. C. bases. D. enzymes.

How do you think this food web would be affected if the plants were eliminated A. only the French I would survive B. birds and nematodes would thrive C. the food web would completely collapse D. the food web would produce more bacteria to compensate

What mass of hydrogen peroxide must be used to produce 1.00 L of oxygen gas at 25.0°C and 1.00 ATM?

Mengaplikasikan ilmu sejarah dalam kehidupan seharian

Which of the following is diamagnetic? A) Sn B) Pb 2+ C) I D) N E) All are paramagnetic

Based on your observations in the lab, what do you think happens to the majority of water (not, ice) at the poles? at the equator?

How do organisms interact with each other and how can one organism be dependent upon other species

Check Sodium inside a star is most likely formed by which process? fission fusion <<--? alpha emission Beta emission

Which of these is the main goal of any titration? to observe the effect of indicators on acids to observe the effect of indicators on bases --> (((to determine the concentration of one of the reactants))) <--- to determine the effects of a base on