Answer:
B is the answer
Explanation:
Because it a molecular mass of one
Because in difrent materials atoms are more compact or less compact.if they are less compact then it will be easear for them to move
Answer:
tetrafluorochlorate
Tetrafluorochlorate(1-)
PubChem CID60211070Molecular FormulaClF4-Synonymstetrafluorochlorate(1-) tetrafluoridochlorate(1-) F[Cl](F)(F)F ClF4(-) CHEBI:30125 More...Molecular Weight111.45 g/molDatesModify 2021-01-09 Create 2012-10-18
Explanation:
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Answer:
is the density of solid calcium.
Explanation:
Formula used :
where,
= density
Z = number of atom in unit cell
M = atomic mass
= Avogadro's number
a = edge length of unit cell
We have:
r = 197 pm = 
M = 40 g/mol
Z = 4
On substituting all the given values , we will get the value of 'a'.
is the density of solid calcium.
Answer:
a) ionic b) polar covalent c) nonpolar covalent
Explanation:
To determine if a bond is covalent or ionic without knowing the electronegativities is to see if it is a metal-nonmetal bond or a nonmetal-nonmetal bond. Metal-nonmetal bonds are ALWAYS ionic, and nonmetal-nonmetal bonds are ALWAYS covalent. A is the metal-nonmetal bond and thus ionic. B & C are both nonmetal-nonmetal bonds and thus covalent.
Polarity:
To determine if a covalent bond is polar or not, we need to see how far apart the elements are away from one another. The further away the elements are from one another the more polar the bond. Nonmetal elements bonded to themselves are ALWAYS nonpolar see compound C. For B, the elements are far apart and are still covalent, so these bonds are polar.
