What is the charge of fluorine if it gains 1 electron

What is the energy (in J) stored in the 23.0 µF capacitor of a heart defibrillator charged to 7.40 ✕ 103 V?

I'm big boi confused. A beam of light traveling in air enters a substance. If the angle of incidence is 35 ∘ and the angle of refraction is 25 ∘, what is the index of refraction of the substance? n1sin (theta) 1=n2sin (theta) 2 So would it be like 1.

Calculate the average induced voltage between the tips of the wings of a Boeing 747 flying at 940 km/hr above East Lansing. The downward component of the earth's magnetic field at this place is 0.7·10-4 T.

A light aircraft travels 2 miles per hour less than twice the speed of a van. If the van can travel 171 miles in the same time it takes the aircraft to travel 336 miles, then what is the average speed of each?

What is electron affinity?

A motorboat and a pwc are meeting head-on. which one is the stand-on vessel?

Um grupo de amigos reunidos em um clube cria, de brincadeira, uma corrida chamada "Maratônica". Nela, os competidores são obrigados, pelo regulamento, a tomar 100 mililitros de água tônica a cada 300 m corridos, em um percurso de 2,5 km.

1. A carbon atom contains 6 protons and 6 electrons. In order for the carbon atom to become negatively charged, what must happen?

During which change of state do atoms or molecules become more ordered? ]

According to Erik Erikson's psychosocial theory of personality, which stage occurs during adolescence?