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EzraHelium is a chemical element with the symbol He and is a colorless, odorless, and tasteless gas. It is the second lightest and second most abundant element in the observable universe. A micropyle, on the other hand, is a small opening in the surface of an ovule through which pollen grains enter for fertilization in plants. It is a specialized structure found in the reproductive organs of plants.
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What are other differences between lithium and helium?
Lithium is a metal, while helium is a noble gas. Lithium has a lower atomic number and is more reactive than helium. Lithium is used in rechargeable batteries, while helium is commonly used in gas balloons and cooling systems.
Do alpha particles and helium atoms have same electrons?
No, alpha particles are helium nuclei composed of two protons and two neutrons with no electrons, while helium atoms have two electrons in addition to the two protons and two neutrons.
What is helium cost per 100g?
The cost of helium can vary depending on location, supplier, and quantity purchased. On average, helium can cost between $0.50 to $1 per 100g. However, prices can fluctuate due to factors like demand, availability, and market conditions.
What element has 2 protons 1 neutron and 2 electrons?
Helium-3 is the element that fits the description you provided. It has 2 protons, 1 neutron, and 2 electrons. Helium-3 is a rare isotope of helium found in very small quantities on Earth.
What are common compounds for helium?
Common compounds for helium include helium-3 (He-3) and helium-4 (He-4), which are isotopes of helium. Helium is typically chemically inert and does not readily form compounds with other elements under normal conditions.
