Identify the true statement(s) about the periodicity in the main-group elements. 1. The metallic character of elements decreases from left to right in any row of the periodic table. 2. The metallic character of elements increases from top to bottom in any column of the periodic table. 3. Elements with high ionization energy tend to be metallic, whereas those with low ionization energy tend to be nonmetallic.

On a distance vs time graph the line of an object at rest is a

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants