Explanation:
The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons
Answer:
there are three significant digits.
Explanation:
Thus, 21.8, 0.283 and 567 all have three significant digits. 2. Zeros appearing between non-zero digits are significant. Thus, 505 and 0.206 have three significant digits, while 50,005 has five significant digits. (from google)
As defined<span> by </span>Arrhenius<span>, </span>acid<span>-base reactions are characterized by </span>acids, which dissociate in aqueous solution to form hydrogen ions (H+) and bases, which form hydroxide (OH−<span>) ions. </span>Acids<span> are </span>defined<span> as a compound or element that releases hydrogen (H</span>+<span>) ions into the solution</span>
Answer: The rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light), usually measured per second. Also it is measured in Hertz.
Explanation:
