How many valence electrons would an element with atomic number 84 have

Objects that transmit some light and reflect/absorb the rest of the light, like stained glass, are a. Opaque B. Transparent C. Translucent I think it's translucent, but I'm not sure

A mass spectrometer accelerates doubly ionized atoms of charge 2e over a potential difference V before they enter a uniform magnetic field B which is perpendicular to the direction of motion of the ions.

When carrying extra weight, the space formed between the top of your head and the two axles of the motorcycle is referred to as the?

Which property of a measurement is best estimated from the percent error? accuracy median precision range

What tactics does a financial planner apply to deal with a difficult client

When plug prongs are connected to the metal case of an appliance, a part that should always be placed next to the case is a a. flat metal washer. b. hexagonal aluminum shoulder. c. steel nut. d. mica washer.

For a constant voltage, increasing the resistance will cause the current to decrease

Soils are made up of mineral portion an organic portion air and water what is meant by the word organic Nonliving mineral in composition Composed of several organs Material that was produced by or was/is part of living organism Musics in nature

A car is traveling at 42.0 km/h on a flat highway. (a) If the coefficient of friction between road and tires on a rainy day is 0.107, what is the minimum distance in which the car will stop?

Usted arrastra los pies sobre un piso alfombrado en un día seco y la alfombra adquiere una carga positiva neta. a) Usted a deficiencia o 2) un exceso de electrones? b) Si la carga adquirida tiene una magnitud de 2.