Answer:
C. oxygen atom
Explanation:
H2O contains two hydrogen atoms and one oxygen atom.
Answer:
chemical symbol= Cl ( chlorine)
electrons= 17
2p electrons = 6
Answer - Inter-molecular attractions
Explanation-
As we know everything around us is made up of matter that means everything has molecules as their basic structure. The state of anything is decided by the spaces between the molecules.
The state of the objects that have strong inter-molecular attractions a solid and gradually the lesser will be in state of liquid and gas. The attraction between the molecules is overcome only when a certain amount of energy is provided from outside.
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Answer:
To calculate the average atomic mass, multiply the fraction by the mass number for each isotope, then add them together.
