State one qualitative and one quantitative statement of the following : water, sodium hydroxide, air, gold, mercury, carbon, iron and hydrogen gas

Which is the most reducing agent in the periodic table? ... ?

Where might you find a temperature of 2 Kelvin? A. North Pole B. The equator C. Earth's core D. The coldest regions of outer space

What layer of the earth is the part of the earth capable of life a. core b. lithosphere c. asthenosphere d. mantle e. biosphere

What is your opinion on marijuana?

The Positively charged center of an atom is called

Which one is uncelluar and which is multicelluar? crab or pond organism

An atom of lithium loses an electron. What is the effect of this event? Group of answer choices The atom of a different element is formed. The atom of lithium acquires no charge. The atom of lithium becomes a positively charged ion.

Water interacts with polar substances like - OH groups but not with non-polar substances like methyl (-CH3) or ethyl groups (-CH2). Using this information, select the molecules that will easily dissolve in water based on polarity not on size.

Which of the following statements is not considered weather? The wind is blowing 20 miles per hour right now in Kansas. It is raining in Seattle. It is usually humid in Florida. It is snowing in Colorado.

A nickel atom (Ni) has a mass numbet of 61. how many neutrons does the atom have