Binary ionic compounds are: check all that apply. a. compounds with very different electronegativities b. made from two metals c. compounds that share electrons d. metals and nonmetal ions

When an object is heated it contracts. a. true b. false

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

The photo above shows oil and vinegar in a pitcher. the top make a claim about about the density of the vinegar compared to the density of the oil summarize the evidence to support the claim and explain your reasoning