Diatomic gases such as h2(g), o2(g), and n2(g) contain bonds. a) covalent b) ionic c) metallic d) polar

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine