Which of these lists the energies of the sublevels, from highest to lowest? A. f > d > p > s B. d > p > s > f C. s > p > d > f D. d > f > s > p

Which statement describes the chemical properties of a metal? Metals tend to gain electrons and form cations. Metals tend to gain electrons and form anions. Metals tend to lose electrons in order to form anions.

Of the reactions below, which one is a double-replacement reaction? A. NH4Cl - > NH3 + HCl B. 2 Mg + O2 - > 2 MgO C. 2 N2 + 3 H2 - > 2 NH3 D. Cd (NO3) 2 + Na2S - > CdS + 2 NaNO3

Determine the quantity of pure MgSO4 in 2.4 g of MgSO 4 ⋅ 7H 2 O MgSO4⋅7H2O

How many total atoms are in 0.450 grams of P2O5

Compounds can be represented by chemical formulas. the chemical formula co2 represents carbon dioxide. one molecule of carbon dioxide is made up of a. two carbon atoms and two oxygen atoms. b. one carbon atom and two oxygen atoms. c.

In which of these samples do the molecules most likely have the least kinetic energy?

Just as heat can denature enzymes, so can a change in the pH. Enzymes that normally work in an acidic environment in the body can become denatured if the pH becomes too alkaline.

A group of students wants to see how temperature affects the time it takes for spilled water to dry up in the investigation what will be the dependent and independent variables

What is not true of white light?

Diatoms and some yeasts are unicellular eukaryotes that have mechanisms of nuclear division?