How can you make it clear that measured value of 980 in actually has 3 significant figures?

A 14-karat gold ring contains other metals that make it stronger than pure gold. What is this type of matter called? A. a colloidal mixture B. an elemental particle C. a homogeneous mixture D. a heterogeneous substance

The fictional character of sherlock holmes was created by

In the reactants there is a curvy arrow, what does the direction of the arrow indicate? A. because cations are sharp and anions are dull B. because the anions and cations share electrons C.

Use the E0 values of the following elements: Zn, Cu, Pb, and Al. Which element is the most active oxidizing agent?

A 0.0100 M solution of AgNO3 has a concentration of Ag ion equivalent to

C3H8 + 5O2 - > 3CO2 + 4H2O According to this equation, which ratio of oxygen to propane is correct? 1 - 5 grams O2 / 1 gram C3H8 2 - 5 moles O2 / 1 mole C3H8 3 - 10 grams O2 / 11 grams C3H8 4 - 10 moles O2 / 11 moles C3H8

Which diagram is the correct electron dot diagram for magnesium?

Which statement best describes electrolysis? Electrolysis stores electrons in an aqueous solution. Electrolysis converts chemical energy into electrical energy. Electrolysis separates protons and electrons in an electrolyte.

Why can xenon expand its octet to form compounds but neon can't

What do we call the group of organisms that share the same characteristics?