How many valence electrons does oxygen have?

A. 2

B. 6

C. 8

D. 16

2. What is the average height in cm for plants in group 2? * 38 cm 56 cm 97 cm 114 cm

Which one is the odd one and why? - type A blood -type A antibodies -AO genotype -A antigen

Does more precipitation occur over oceans or over land? Explain

A man weighs 162 lbs. What is his mass in mg? (453.6 g = 1 pound)

True or false during decomposition nitrogen gas is changed into nitrogen compounds

Butter is melted in a pan. Which of the following is true about the change? Select one: a. It is a physical change that absorbs energy. b. It is a physical change that releases energy. c.

The freons are a class of compounds containing carbon, chlorine, and fluorine. while they have many valuable uses, they have been shown to be responsible for depletion of the ozone in the upper atmosphere.

Write its complete chemical symbol including mass number, atomic number, and net charge (if any).

How would you be able to use the spectrum of each gas to establish its identity

Which does not add to the reliability of a scientific source of information? displaying data in a colored chart clearly identifying the sources of the data explaining how the data was collected showing that many scientists had reviewed the