What are the difference between ionic compound and covalent compound? 1. Ionic compounds are formed by the transfer of electrons that are positively and negatively charged, whereas, covalent compounds are formed by sharing the electrons. In an ionic compound, bonding involves a metal and nonmetal, whereas, in the covalent compound, bonding is between nonmetals. What […]
Who developed the Big 5 personality traits?
Who developed the Big 5 personality traits? In the 1940s, Raymond Cattell developed a 16-item inventory of personality traits and created the Sixteen Personality Factor Questionnaire (16PF) instrument to measure these traits. Robert McCrae and Paul Costa later developed the Five-Factor Model, or FFM, which describes personality in terms of five broad factors. What are […]
How do you identify independent and dependent variables?
How do you identify independent and dependent variables? Independent and dependent variables The independent variable is the cause. Its value is independent of other variables in your study. The dependent variable is the effect. Its value depends on changes in the independent variable. What is the difference between independent and dependent variable in research? The […]
Does a portable heater use a lot of electricity?
Does a portable heater use a lot of electricity? An electric space heater is small but uses a lot of energy! A 1,500-watt heater running for eight hours each night for a month can add about $43 to your electric bill. Running multiple space heaters can run up your energy costs. Consider air sealing and […]
How many watts do I need to run a microwave?
How many watts do I need to run a microwave? When it comes to microwaves, wattage equals power. A 1,000-watt microwave will cook quickly and efficiently, so that’s a great baseline. Microwaves with 700 watts or less are slower and may not cook evenly. In general, the higher the wattage, the faster the cooking time. […]
Why Silver is the best conductor of heat and electricity?
Why Silver is the best conductor of heat and electricity? Conductivity is the measure of the ease at which an electric charge or heat can pass through a material. Silver is the best conductor because its electrons are freer to move than those of the other elements, thereby making it more suitable for the conduction […]
Are refractors better than reflectors?
Are refractors better than reflectors? Refractor telescopes use specialized lenses that make them a favorite for deep space objects like galaxies and nebulae. Reflector telescopes are more popular with larger and brighter objects like the Moon and planets because they use mirrors that provide more sensitivity to all wavelengths. What is the strongest telescope today? […]
Can Oxygen form ionic bonds?
Can Oxygen form ionic bonds? Atoms that share electrons in a chemical bond have covalent bonds. An oxygen molecule (O2) is a good example of a molecule with a covalent bond. Ionic bonds occur when electrons are donated from one atom to another. Table salt (NaCl) is a common example of a compound with an […]
What is the most efficient power plant?
What is the most efficient power plant? Chubu Electric Nishi-Nagoya power plant Why are power plants not 100 efficient? Part of the energy input is wasted. It is used to increase the entropy of the surroundings. Therefore, the useful energy output is necessarily smaller than the energy input. In other words, the efficiency of a […]
When the switch is pressed what will happen to electromagnet?
When the switch is pressed what will happen to electromagnet? Electric bell: When you push the switch, the current flows in the coil of wire, the electromagnet turns on and attracts the iron armature. The hammer hits the gong and the contact switch opens. This stops the current and the electromagnet turns off. The iron […]