Is sodium and magnesium an ionic compound? There is a strong electrostatic force of attraction between these oppositely charged ions – this is called an ionic bond. The slideshow shows ionic bonds being formed in sodium chloride, magnesium oxide and calcium chloride. How do you combine ionic charges? To find the formula of an ionic […]
What is the main function of circulatory system?
What is the main function of circulatory system? The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps oxygenated and deoxygenated blood on different sides. The types of blood vessels include arteries, capillaries and veins. What is an example of the circulatory system? The circulatory system is made up […]
Do cameras reflect or refract light?
Do cameras reflect or refract light? Yes, cameras refract light. The refraction of light happens as it travels through the lens of the camera and creates a larger or smaller picture…. How do mirrors and lenses affect the path of light rays? Summary: How do lenses and mirrors affect light? Plane mirrors and convex mirrors […]
Is acceleration and velocity the same?
Is acceleration and velocity the same? Velocity is the rate of change of position with respect to time, whereas acceleration is the rate of change of velocity. Both are vector quantities (and so also have a specified direction), but the units of velocity are meters per second while the units of acceleration are meters per […]
Why do magnets align in the north south direction?
Why do magnets align in the north south direction? Magnetism | Short/Long Answer Questions Solution: A freely suspended magnet always rests in the north-south direction because the magnetic south pole of the earth lies in the geographic north direction and the magnetic north pole of the earth lies in the geographical south direction. What will […]
What are 2 similarities and 2 differences between ionic and covalent bonds?
What are 2 similarities and 2 differences between ionic and covalent bonds? The molecules that are formed from the ionic and covalent bonds are neutral. This is because, in an ionic bond, two opposite charges cancel each other while in a covalent bond, neutral components shared the pair of electrons. Ionic and covalent, both are […]
What Cannot be burned by fire?
What Cannot be burned by fire? Riddle: What can’t be burned in fire, nor drowned in water? Answer: Ice. What is a fire risk? A fire risk is the likelihood of a fire occurring and the consequences of that fire should one occur. 4. The legally defined Responsible Person under the Regulatory Reform (Fire Safety) […]
Is 30 minutes of circuit training enough?
Is 30 minutes of circuit training enough? Your body can definitely feel the metabolic burn within a humble 30 minutes of circuit training. According to Harvard Medical School, you can burn 240 calories in a half-hour of general circuit training if you weigh 125 pounds; 298 calories if you weigh 155 pounds; and 355 calories […]