Is strontium positive or negative? Positive and Negative Ions: Cations and Anions Family Element Strontium Strontium cation Barium Barium cation IB Silver IIB Zinc What is the correct formula for phosphorus pentachloride? Cl₅P What is phosphorus Pentabromide formula? PBr5 How do you use phosphorus pentachloride? Uses of Phosphorus Pentachloride – PCl Used as a catalyst […]
Why do I like to sleep on my stomach?
Why do I like to sleep on my stomach? Lots of people sleep on their stomach because they have a firm or uncomfortable mattress. In the side position, your hip and shoulder get more pressure, so that you turn to the stomach position automatically. Why do girls sleep with a pillow between their legs? It […]
When two or more solid substances are mixed together they liquefy is called?
When two or more solid substances are mixed together they liquefy is called? In chemistry, a mixture is a material system made up of two or more different substances which are mixed but are not combined chemically. A mixture refers to the physical combination of two or more substances in which the identities are retained […]
How is energy transferred from one object to another?
How is energy transferred from one object to another? The two ways that energy can be transferred are by doing work and by heat transfer. Can an object have work? In the physics sense, work is never something an object has. It is only something that one object does to another. Work changes the amount […]
What is all matter made up of?
What is all matter made up of? Explain that all matter on Earth exists in the form of a solid, liquid, or gas, and that solids, liquids, and gases are all made of extremely tiny particles called atoms and molecules. Tell students that an atom is the smallest building block of matter and a molecule […]
What strains are in the 2020 flu vaccine?
What strains are in the 2020 flu vaccine? For trivalent influenza vaccines for use in the U.S. for the 2020-2021 influenza season, depending on the manufacturing method of the vaccine, the committee recommended that the A(H1N1) pdm09, A(H3N2) and B/Victoria lineage viruses recommended above for the quadrivalent vaccines be used. Is there a flu vaccine […]
Where is the best place to see the aurora borealis?
Where is the best place to see the aurora borealis? What are the best places to see the Northern Lights? Tromso, Norway. Based in the heart of the aurora zone in the Norwegian Arctic, the city is widely regarded as one of the world’s best places to see the Northern Lights. Swedish Lapland. Reykjavik, Iceland. […]
Which is the least reactive metal?
Which is the least reactive metal? Silver, gold, and platinum are metals with the least reactivity. They are found in nature. Which is a very reactive metal? Caesium Which is more reactive platinum or gold? The more reactive the metal, the more rapid the reaction is. Platinum is placed below gold in the reactivity series. […]
Who was the first dog on earth?
Who was the first dog on earth? Bonn-Oberkassel dog Who first brought dogs to America? Origins. The Earliest evidence for dogs in the Americas can be found in Danger Cave, Utah, a site dated between 9,000 and 10,000 years BP (Before Present) Dogs descended from Eurasian Grey Wolves and were brought to the Americas by […]
What is the most dangerous imaging technique?
What is the most dangerous imaging technique? CT scanning Can an MRI show broken bones? MRI is sensitive to changes in cartilage and bone structure resulting from injury, disease, or aging. It can detect herniated discs, pinched nerves, spinal tumors, spinal cord compression, and fractures. How long does it take to get MRI results private? […]