First you multiply 1.42x1000 to convert from g to mg
then you divide 1420/100 to convert from cm to mm
so the answer is 14.2 mg/mm^2
Answer:
O
Explanation:
O is in the red which says nonmetal
Answer:
grass, grasshopper, frog, snake, hawk
Explanation:
Water is another example of a chemical compound<span>. The two or more component elements of a </span>compound<span> can be separated through chemical reactions. </span>Chemical compounds<span> have a unique and defined structure, which consists of a fixed ratio of </span>atoms<span> held together in a defined spatial arrangement by chemical bonds.
</span>B.<span>compound </span>
Answer:
C. involve the attraction of opposite charges
Explanation:
<em>Ionic bonding</em> involves the attraction between <em>oppositely charged ions</em>, as in Na⁺ Cl⁻.
<em>Covalent bonding</em> involves the attraction between <em>negatively charged electrons and positivey charged nuclei</em>, as in a C-H bond.
A is <em>wrong</em>. Ionic bonding involves the transfer of electrons.
B is <em>wrong</em>. Covalent bonding involves the sharing of electrons.
D is <em>wrong</em>. Ionic bonds are usually stronger than covalent bonds.