Answer:
The elements in Group 2 (beryllium, magnesium, calcium, strontium, barium, and radium) are called the alkaline earth metals (see Figure below). These elements have two valence electrons, both of which reside in the outermost s sublevel. The general electron configuration of all alkaline earth metals is ns
You're correct It's D :))))))))<span />
Answer: Option (C) is the correct answer.
Explanation:
Solid and liquid are the states of matter. Plasma is also a state of matter where a number of electrons move freely around the nucleus of an atom.
Whereas water is a liquid itself and liquid is a state of matter but water is not a state of matter.
Therefore, we can conclude that water is not a state of matter.
Chromatin is composed of both DNA and other proteins in which the Double stranded molecule of DNA wraps around. The answer is B.
