What is the number of protons equal to? The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number […]
How long can an abscess go untreated?
How long can an abscess go untreated? If left untreated, the abscess may spread to your brain or spinal cord. The abscess is large, hasn’t healed within two weeks, and you also have a fever. The abscess appears to be spreading to other parts of your body. The abscess is becoming more painful or is […]
What is an important difference between correlation and causation?
What is an important difference between correlation and causation? Correlation suggests an association between two variables. Causality shows that one variable directly effects a change in the other. Although correlation may imply causality, that’s different than a cause-and-effect relationship. Is there a relationship between correlation and causation? While causation and correlation can exist at the […]
Why is the North Star Fixed?
Why is the North Star Fixed? Polaris, the North Star, appears stationary in the sky because it is positioned close to the line of Earth’s axis projected into space. As such, it is the only bright star whose position relative to a rotating Earth does not change. All other stars appear to move opposite to […]
Is advertising good or bad?
Is advertising good or bad? Yes, it can be harmful. But it can also be extremely beneficial to society. Advertising is an incredibly effective and powerful way to spread the word about important issues and products, such as AIDS awareness, diabetes monitors, tobacco and alcohol risks, and other health-related concerns. How does advertising affect people’s […]
Do emitted photoelectrons have same kinetic energy?
Do emitted photoelectrons have same kinetic energy? Hi, The answer to your question is NO. Technically if we use Einstein’s equation, then all photoelectrons should be emitted with same kinetic energy. Do all emitted electrons have the same kinetic energy? That fact, combined with the random messiness inherent in thermodynamics, means that no two electrons […]
What is the other name of electrolytic cell?
What is the other name of electrolytic cell? The electrochemical cells which generate an electric current are called voltaic cells or galvanic cells and those that generate chemical reactions, via electrolysis for example, are called electrolytic cells. A common example of a galvanic cell is a standard 1.5 volt cell meant for consumer use. What […]
Is silica good for hair?
Is silica good for hair? Silica doesn’t promote hair growth, but it does strengthen hair and prevent thinning. It does this by delivering essential nutrients to your hair follicles. As a bonus, it can also benefit your skin and nails. Can vitamin D regrow hair? Studies shows that vitamin D receptors, rather than the nutrient […]
Is it illegal to drive with your tailgate down in Florida?
How many counts per minute is dangerous?
How many counts per minute is dangerous? It’s normal to find a range of 7-30 CPM in surroundings. In my opinion, anything below 150 CPM is considered safe, but if the value overshoots this limit, the substance or atmosphere is dangerously radioactive. How many mSv per hour is safe? That’s 1,000 to 2,000 millisievert (mSv). […]