0.25 mole of C has the same number of atoms as 0.25 mole of Hg. true or false?

Which of the following is an example of parasitism: Question 3 options: Two males lions fighting for dominance of a pride. A goby fish warning a shrimp about danger so that they both retreat to the burrow the shrimp maintains.

How does weathering affect the surface area of a rock? Explain your answer.

A strong acid, HA, is added to water. Which statement about the solution is true? It contains mostly hydroxide ions. It contains almost no hydronium ions. It contains little or no HA. It contains a low amount of ions.

Describe how samples of nitrogen and oxygen can be obtained from air?

Is the following radiation, conduction, or convection? in a factory there is a large vat of liquid. The liquid is heated.

The smallest unit of an element is a blank

How many sodium atoms will create an ionic bond with sulfur?

Rank the elements from smallest to largest electronegativity negativity (smallest at top) 1. N 2. P 3. As 4. Sb

A bicyclist pedaling up a Hill. What type of energy potential or kinetic?

What improvements have been made in modern farming? Select all that apply. 1. machines can do more work over less time 2. better seeds sprout and grow much more quickly 3. trains can transport food over long distances faster 4.