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Density = Mass/volume
Therefore the quantities are mass (g) and volume (cm3)
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Which pair of solutions would be acidic if mixed in equal quantities?
im buff as hell
Why does a lone pair of electrons occupy more space on an atom?
It doesn't exactly occupy more space, but it has a different shape to a bond pair. In a bond pair we have two positive nuclei, with most of the density of the bonding electron pair between the atoms. The outer nucleus attracts the bond pair outwards from the central atom. In a lone pair there is only the central atom to attract the electrons, so they are pulled in more than the bond pair, producing a fatter, squatter shape. This means that more of the electron density is near the central atom than with a bond pair, which makes it more effective at repelling the other electron pairs. Thus there is a difference in the amount of repulsion between different sorts of pair, meaning that he angles between them are different too, in the order, from greatest to least, lone pair-lone pair, lone pair-bond pair, bond pair-bond pair.
What structure does an covalent bond have?
Covalent bonds are usually depicted as localised and directional- with electron density due to a pair of electronssitting between the atoms that are bonded.
What determines whether a compound is a polar compound?
A number of factors. The polarity of the chemical bonds due to differences in electronegativity. The geometry of the moecule which may lead to these bond dipoles cancelling each other out. The contribution of a lone pair.
What is the change in bond angle down a group when central atom has lone pair?
there is repulsion between lone pair and bond pair for example in water molecule oxygen has lone pair which repells the bond pair due to this bond angle decreases simply ddue to repulsion btween lone pair to lone pair or lone pair to bond pair angle varies
What is member of a gene pair that determines a specific trait is?
an allele
Which pair of chromesomes determines gender?
Chromosome pair 23 determines the gender of a human. These chromosomes will either be two X's for females, or an X and a Y for males.
One of the pair of chromosomes that determines the sex of an individual?
The 23rd pair in a karyotype shows if it will be male or female
A member of a gene pair that determines a specific trait is an?
allele
Member of a gene pair that determines a specific trait?
allele
A member of a gene pair that determines a specific trait is?
oblock
What is a member of a gene pair that determines a specific trait?
an allele
How much does a pair of leggings weight?
The weight of a pair of leggings depends on the material. Material meant for summer weather is much lighter than material meant for winter.
A member of a gene pair that determines a specific trait such as an?
look on GOOGLE or YAHOO
Is it true or false that the 23rd chromosome pair determines the gender of a child?
TRUE.
Which pair of solutions would be acidic if mixed in equal quantities?
im buff as hell
When two alleles of an inherited pair are different the dominant allele determines the organisms appearance?
True
