The data table below represents the properties determined by the analysis of substances A, B, C, and D. Which substance is an ionic compound?
1. А
2. B
3. C
4. D

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

Use the periodic table to answer the following questions. what is the predicted order of first ionization energies from highest to lowest for beryllium, calcium, magnesium, and strontium? o be > ca > mg > sr o be > mg > ca > sr o ca > sr> be > mg o sr > ca > mg > be done