How did Joseph Thomson describe the atom? In Thomson’s model, the atom is composed of electrons surrounded by a soup of positive charge to balance the electrons’ negative charges, like negatively charged “plums” surrounded by positively charged “pudding”. The 1904 Thomson model was disproved by Hans Geiger’s and Ernest Marsden’s 1909 gold foil experiment. Who […]
What is bullosa butterfly syndrome? Epidermolysis bullosa is a rare genetic condition that makes skin so fragile that it can tear or blister at the slightest touch. Children born with it are often called “Butterfly Children” because their skin seems as fragile as a butterfly wing. What is epidermolysis bullosa and how is it caused? […]
What is the half-life of uranium 240? List of isotopes Nuclide Z Half-life Excitation energy 239m1U 20(20)# keV >250 ns 239m2U 133.7990(10) keV 780(40) ns 240U 92 14.1(0.1) h Can Uranium 239 fission? Fission activity is relatively rare, so even after significant exposure, the 239Pu is still mixed with a great deal of 238U (and […]
What does ex-voto mean in Latin? An ex-voto is a votive offering to a saint or to a divinity; the term is usually restricted to Christian examples. It is given in fulfillment of a vow (hence the Latin term, short for ex voto suscepto, “from the vow made”) or in gratitude or devotion. What is […]
Can clindamycin be harmful? IMPORTANT WARNING: has been expanded. Many antibiotics, including clindamycin, may cause overgrowth of dangerous bacteria in the large intestine. This may cause mild diarrhea or may cause a life-threatening condition called colitis (inflammation of the large intestine). What are the side effects for clindamycin? The following reactions have been reported with […]
What does a cardiac interventional technologist do? Cardiac interventional technologists use sophisticated fluoroscopic equipment. They use this equipment to capture images of the heart and the blood vessels that surround it. They may, at times, assist with procedures such as stenting, thrombolysis, embolization, biopsies, and angioplasty. How much do IR techs make? How much does […]
What is a pronoun ks2 definition? A pronoun is a word used to replace a noun. Examples of pronouns are: he, she, it, they. What is pronoun sentence? A pronoun is a word that can replace a noun in a sentence. The noun that is replaced by a pronoun is called an antecedent. For example, […]
How old is a MacBook Air A1466? Identifying your MacBook Product Name Model Number Year Released MacBook Air 13 (13-inch, 2020) A2179 2020 MacBook Air 13 (Thunderbolt 3/USB-C) A1932 2018-2019 MacBook Air 13 A1466, A1369 2010-2017 MacBook Air 11 A1465, A1370 2010-2013 When was the MacBook Air A1466 released? March 9th 2015 MJVE2LL/A / MacBookAir7,2 […]
What is significant about the first 100 days? Roosevelt’s presidency began on March 4, 1933, the day Franklin D. Roosevelt was inaugurated as the 32nd president of the United States. President Roosevelt passed 76 laws during his first 100 days as well, many directing towards reviving the economy of the United States through various public […]
What type of company is Hays? Hays plc is a British multinational company providing recruitment and human resources services across 33 countries globally….Hays plc. Type Public Industry Recruitment Founded 1867 Headquarters London, England Key people Andrew Martin, Chairman Alistair Cox, CEO Paul Venables, Group Finance Director Is Hays a good employer? HAYS are a good […]
