How many dots are shown in the electron dot diagram for calcium, in group II and period 4 with 20 protons and 20 electrons? a. four c. eight b. two d. twenty

Peter performed an experiment to test which of the three compounds his teacher gave him was an ionic compound. the table shows his results. which compound (a, b, or c. is most likely an ionic compound?

Why isn't a different base broth required for each decarboxylase medium?

the number of significant figures: 6.32 g a:2 b:3

A reaction has an equilibrium constant of 7.9*10³ at 298 K. At 713 K, the equilibrium constant is 0.77. Do you predict that the enthalpy of the reaction is positive or negative? Why? a.

Discuss the law of conservation of matter

Substances with strong intermolecular bonds vaporize _ than those with weaker bonds. faster more easily at the same rate slower

How many dozen kernels of corn are in a 50 pound bag of corn

How does magnesium obey the octet rule when reacting to form compounds

Is heat conductivity a physical or chemical property?

When 5800 joules of energy are applied to a 15.2-kg piece of lead metal, how much does the temperature change by