Shape and polarity can affect how a molecule fits into another structure and how it tastes. It can affect how easy the molecule is to separate and it's attraction positively or negatively charged objects. Atoms have __ potential energy and __ stability after they form a covalent bond.
How much you can expect to pay out of pocket for a flu shot, including what people paid in 2017. The cost of flu shots varies by location, but usually ranges between $5 and $30. 1  Many health insurance plans cover flu shots as part of a wellness plan. For example, Blue Cross Blue Shield of North Carolina covers flu shots for members who have preventive care benefits.
The composition of the 2017-2018 flu shot will be slightly different from last season's flu shot. 1  Specifically, there will be a different strain of the H1N1 virus in this season's flu shot, compared with last season's shot. According to the CDC, the 2017-2018 trivalent flu shot will contain the following strains of the flu virus: 1  A/Michigan/45/2015 (H1N1)pdm09-like virus â This is the H1N1 component that is different from last year's flu shot. 2  A/Hong Kong/4801/2014 (H3N2)-like virus â This is the H3N2 component that is the same as last year's flu shot.