Weegy: A salt is obtained as a reaction between D. a base and an acid. User: the chemical symbol for sodium is A. S. B. Sn. C. Na. D. N Weegy: The chemical symbol for sodium is Na. User: Which of the following units is stable? A. Neon B. Carbon C. Boron D. Flourine Weegy: A. Neon is stable (More)

Weegy: Do you have any questions for me? User: which of the following will result in a chemical change? A. melting ice to obtain water B. Evaporating alcohol into vapor C. Drying wood in a shed D. burning coal in a furnac Weegy: D. burning coal in a furnac will result in a chemical change (More)

Weegy: The answer would be B. AICI3 User: which one of the following is a characteristic of a metal? A. Conducts heat readily B. Changed color of litmus paper to read C. Reacts with bases to produce salts D. Becomes negative when combined with other elements (More)

Weegy: A. 15 millimeters User: Which one of the following types of electromagnetic radiation causes certain substances to fluoresce? A. Ultraviolet rays B. Infrared waves C. X rays D. Cosmic rays Weegy: B. Ultraviolet rays are flueoresce User: If you're driving towards the sun late in the afternoon, you can reduce the glare from the road by wearing sunglasses that permit only the passage of light that's A. polarized in a vertical plane. B. polarized in a horizontal plane. C. dispersed in a vertical plane. D. dispersed in a spherical plane. Weegy: If you're driving towards the sun late in the afternoon, you can reduce the glare from the road by wearing sunglasses that permit only the passage of light that's C. polarized in a vertical plane. [ ] User: If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is A. 8 lux. B. 24 lux. C. 216 lux. D. 648 lux. Weegy: 72*3=216 User: Which of the following values represents an index of refraction of an actual material? A. 0 B. 1 / 4 C. 1 / 2 D. 5 / 4 Weegy: The answer is D. 5 / 4. (More)

Weegy: f a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is 216 lux. (More)