Which the following countries founded their first permanent settlement in North America: England, the Netherlands, France, and Spain

According to the following balanced reaction, how many moles of NO are formed from 8.44 moles of NO2 if there is plenty of water present? 3 NO2 (g) + H2O (l) → 2 HNO3 (aq) + NO (g)

Which type (s) of matter (mixtures/comp0unds/elements) could be separated by physical methods?

An artificial satellite in which people can have live and work for long periods is called a

What do the following have in common: MgCl2, AlF3, CaI2, KCl Choose all that apply. They are nonpolar in nature. They are salts. They are all ionic compounds. They are all molecular compounds.

Why do we call water the univeral salivnet

All of the Gathered in an investigation must be recorded. (Fill in the blank)

What mechanical waves needs a medium to travel through? A. all mechanical waves need a medium to travel through B. surface waves only C. transverse and longitudinal waves only D. longitudinal and surface waves only

Which of the following statements correctly describes how Moseley's research affected the development of the periodic table? Moseley's research led to the reorganization of the elements based on their atomic mass instead of their physical appearance.

A minerals luster is produced by its ability to transmit light. Opaque minerals always have a metallic luster because they do not transmit any light. True False

The elements selenium and oxygen are both poor electrical conductors in which section of the periodic table are they found