Elements in the first group of the periodic table are

alkali metals

alkaline earth metals

transition metals

radioactive metals

What is "The Devil's Lettuce"?

Which statement describes streak? Streak refers to the way light is reflected by a mineral. Streak is the least accurate way to identify minerals. * Streak is tested by scraping a mineral across a streak plate.

What are 10 examples of liquids?

How man moles of Al2O3 are formed in the reaction 4Al (s) + 3O2 (g) 2Al2O3 (s)

9. Which of the following is true? A. The least reactive element in group 2 is the one with the largest atomic radium and the least amount of attraction between the nucleus and the valence electrons. B.

What defines a mixture? A) A mixture contains different substances that are chemically combined. B) A mixture contains different substances that are not chemically combined and can be broken down into its basic substances through physical means.

How much does 5 gallons of water weigh?

Calculate the percent by mass sulfur in sulfuric acid, h2so4.

4. What electrons are involved in chemical bonding?

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star