What best describes the trends in electronegativity on the periodic table

A nonmetal: is more likely than a metal to attract an electron is more likely than a metal to lose an electron requires more energy than a metal to lose an electron requires less energy than a metal to lose an electron

A liquid that occupies a volume of 0.820 L has a mass of 2.56 kg. What is the density of this liquid in kg/L?

If nickel is added to copper sulfate solution, the nickel will replace the copper. write the balanced equation

Which isotope of lithium has 3 neutrons?

5.112 Predict whether reactions should occur between aqueous solutions of the following compounds. If so, write balanced molecular and net ionic equations for the reactions. Include physical states.

The gases carbon dioxide, oxygen, and argon are mixed in a container. All gases have the same partial pressure, and the total pressure of the container is 32,680 Pa. What is the partial pressure of argon?

What do all oxygen atoms have in common

Arrange the elements in order of increasing atomic radius Mg Ba F S

Based on the enthalpy changes given for the reactions, which reactions are endothermic? (check all that apply) 2H2O → 2H2 + O2, ΔH = 484 kJ C + O2 → CO2, ΔH = - 394 kJ H2 + Br2 → 2HBr, ΔH = - 73 kJ 2NH3 → N2 + 3H2, ΔH = 92 kJ

Which of the following is not true about performing biological investigations reading and understanding Metric system