1A, 3B, and 7A are examples of what on the periodic table?

Sodium and chlorine react and an ionic bond forms. Which statement is true about the bonding that has occurred? A. The sodium atom has lost an electron and the chlorine atom has gained one. B.

How is the amount of work done on an object relative to its change in energy?

State a condition required for a substitution reaction to occur

Mizar is a star system that is composed of two pairs of stars, mizar A and mizar B, or four stars in total. What do astronomers call a system that is composed of more than two starts?

Is an oreo a pure substance or a mixture and why?

Which substance can act as an arrhenius base in an aqueous solution

What characteristic must be true of a good hypothesis

Which pair of atoms has the highest electronegativity difference? Na-F Ca-F H-F C-F F-F

How fast can a turbidite bed form? a matter of minutes a matter of seconds a matter of hours a matter of years

The half-life of carbon-14 is 5,730 years. How many grams of parent material will remain from a 100-gram sample of carbon-14 after 2 half-lives? 75 6.25 12.5 25