What is the mass of 1.63 moles and f ammonium phosphorus (NH4) 3PO4

Do organs of different species resemble each other?

Give the number of significant figures: 92.06 kg

An interglacial is a period of time that occurs between Ice Ages. It's marked by warmer temperatures and milder climates. During previous interglacials, the CO2 levels in the atmosphere were about 280 parts per million (ppm).

A student claims that the more valence electrons an element has, the more reactive it is. Which is an accurate counterargument to this student's claim?

What are polymers? Long chains of carbon molecules Small groups of halogen molecules Long chains of halogen molecules Small groups of carbon molecules

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