Answer:
Covalent
Explanation:
Using an electronegativity chart, such as the attached one, you see that Nitrogen (N) has an electronegativity value of 3.0. Because both molecules are the same, 3.0-3.0=0. Therefore, because the electronegativity value difference is 0, the bond must be covalent.
Answer:
Each giant planet has a core of “ice” and “rock” of about 10 Earth masses. Jupiter, Saturn, and Neptune have major internal heat sources, obtaining as much (or more) energy from their interiors as by radiation from the Sun.
Explanation:
Answer:
When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae living in their tissues, causing them to turn completely white. Warmer water temperatures can result in coral bleaching.
Answer:
upper left
Explanation:
it is a trend on the periodic table. Ionization energy increases from left to right(->) I t also increases down to up