B stands for what in elements?

Why does a diamond change directly from a solid state to a gaseous state? A diamond is comprised of only ionic bonds. A diamond is comprised of interspersed ionic and covalent bonds. A diamond is formed from hydrogen bonds. A diamond is hexagonal.

How many moles of nacl are contained in 27.5ml of. 105 m of nacl solution?

Which polymer is a biopolymer? A) polyvinylchloride B) polystyrene C) polylactic acid D) polyethylene

What is true of valence electrons? question 8 options: they are always the lowest energy electrons of the atom. they easily move from one orbital to another. they have difficulty moving from one orbital to another. they exist in the outer orbital?

A hypothetical element consists of 3 isotopes, and the atomic weight is 39.2 amu. Isotope1 is 78.8% with mass number of 39; isotope 2 is 3.1% with mass number of 41. What is the mass of isotope 3? 1. 38 2. 43 3. 40 4. 42

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda