Which noble gas is least Polarisable? Helium Why are Group 18 called noble gases? The group 18 elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). These elements are non-reactive and are called noble gases as they have their outermost orbit complete. Due to stable electronic configuration they hardly […]
How many babies are born each year in Fiji?
How many babies are born each year in Fiji? The crude birth rate indicates the number of live births occurring during the year, per 1,000 population estimated at midyear….Fiji: Birth rate from 2008 to 2018 (per 1,000 inhabitants) Birth rate per thousand population 2017 21.56 2016 21.8 2015 21.98 2014 22.11 What is the death […]
Are nucleons equal to mass number?
Are nucleons equal to mass number? The mass number (symbol A, from the German word Atomgewicht [atomic weight]), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. Why mass number is not a whole number? Because most atoms with several […]
How do you separate mixtures from beads?
What does a seed contain Class 6?
What does a seed contain Class 6? A seed has three parts: Seed Coat. Endosperm. Embryo. What is difference between embryo and seed? The embryo, endosperm, and seed coat are the three major parts of a seed….Difference between embryo and seed. Embryo Seed It is formed by the fusion of sperm and nucleus. It is […]
Which of the following bulb will have high resistance?
Which of the following bulb will have high resistance? By comparing R1 and R2 first bulb, i.e., bulb with rating 60W−220V offers more resistance. Does wattage affect resistance? Resistors come in a variety of different ratings based on wattage. As a rule, lower wattage resistors are smaller than higher wattage resistors. What is the resistance […]
How do emotions affect our decision making?
How do emotions affect our decision making? Individual decisions are best understood as the interactions between reason and emotion. When we are calm, slow rational thinking guides our decisions. However, strong emotions place a constraint on clear thinking. For example, before an unpleasant encounter, you may decide to keep you cool. What are the elements […]
What are the three lines of defense in the immune system?
What are the three lines of defense in the immune system? The human body has three primary lines of defense to fight against foreign invaders, including viruses, bacteria, and fungi. The immune system’s three lines of defense include physical and chemical barriers, non-specific innate responses, and specific adaptive responses. What are the 8 body defenses? […]
Is there undersea landslide?
Is there undersea landslide? Underwater landslides are common features on steep continental margins. Underwater (also called submarine) landslides rapidly shape the seafloor environment by transferring large quantities of sediment and rock downslope from the continental shelf into the deep ocean. Has Texas ever had a tsunami? Today, 3 News sat down with a geologist at […]
What is risk allele frequency?
What is risk allele frequency? risk allele: in the context of a disease, this is the allele that confers a risk of developing the disease. Most of the time, risk allele = minor allele, as most people will not carry the risk allele. How do you find the frequency of a dominant and recessive allele? […]