Which of these groups of elements show the least electronegativity?

inner-transition elements

A. halogens

B. alkali metals

C. transition elements

D. alkaline earth metals

Particles of sand or dust rubbing across the surface of rocks is called

In the equation below, identify the Brønsted-Lowry acid, Brønsted-Lowry base, conjugate acid, conjugate base. NH4 + (aq) + NO-2 (aq) = HNO2 (aq) + NH3 (aq)

Stoichiometry: How much magnesium oxide, in grams, is produced from the reaction of 2 grams of magnesium?

White gold is an alloy that typically contains 45.0% by mass gold and the remainder is platinum. if 154 g of gold are available, how many grams of platinum are required to combine with the gold to form this alloy?

What type of bond exists between the atoms in a molecule of N2? A. Metallic B. Ionic C. Covalent D. Electrostatic

Write a net ionic equation for the reaction that occurs when barium sulfite (s) and excess hydrochloric acid (aq) are combined. Note: Sulfites follow the same solubility trends as sulfates.

A hydrate is a compound with water molecules incorporated into its crystal structure. In an experiment to find the percentage of water in the compound, the following data was recorded.

What do you get when you mix dog breeds such as a bulldog and a shih tzu?

How does temperature change with depth in the Earth's crust?

Which is the best metal to use in an alloy to increase its electrical conductivity? Aluminum (Al) Silver (Ag) Zinc (Zn) Antimony (sb)