Which of the following is most likely to be covalent?

MgO

CO

CaO

BaO

What volume of 0.10 M NaOH is required to neutralize 30 mL of 0.10 M HCl?

Based upon the location of group iv on the periodic table, the ionic charge of the elements in it should be:

Which of the mayor types of fossils do not form in sediments? Describe how this type can form.

What is the empirical formula of a compound composed of 34.3 g of potassium (K) and 7.02 gof oxygen (O) ?

To cool foods quickly, place them a. in the refrigirator in deep containers. b. in refrigirator in large pots with tight fitting lids. c. in refrigirator after cooling for atleast 1 hour on the counter. d.

An apple is placed on a scale. the scale shows that the apple weighs 1/4 a pound. this demonstrates that the apple has A: Atoms. B: Elements. C: Vitamins. D: Weight.

Identify Cobalt sulfride

If the reactants have a potential energy of 10.2 kJ/mol and the products have a potential energy of 15.7 kJ/mol, what is AH?

How to solve determine the final temperature when 450.2 grams of aluminum at 95.2°c is placed in an insulated calorimeter with 60.0 grams of water at 10.0°c?

Which of the following is true about a scientific hypothesis? A. The hypothesis must form a scientific theory. B. The hypothesis must be testable. C. The hypothesis must predict the outcome of the experiment. D.