I was assigned was the element Manganese. The symbol for manganese is Mn. It is number 25 on the periodic table. That means it has 25 protons and electrons even on mars or anywhere you go it will have the same protons and electrons. The atomic number would also be 25. It has 30 neutrons also in in the nucleus. The melting point for Manganese would be 1519 K (1246°C or 2275°F). The boiling point would be 1519 K (1246°C or 2275°F) according to http://education.jlab.org/. It also could be 1245.0 °C
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****Atoms Think and Compare: Page 331 Q-3 Consider these atoms: hydrogen H‚ aluminum Al‚ argon‚ Ar. Rank them‚ from smallest to largest‚ in order of (a) size; (b) number of protons in the nucleus; (c) number of electrons. In order of size from smallest to largest: Hydrogen H‚ Argon Ar‚ Aluminum Al. In order of proton from smallest to largest: Hydrogen H‚ Aluminum Al‚ Argon Ar. In order of electron from smallest to largest: Hydrogen H‚ Aluminum Al‚ Argon Ar. Q-4 Consider these atoms:
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Atoms make up everything around us‚ including ourselves. They consist of protons which give off a positive charge‚ electrons which give off a negative charge and neutrons which have no charge. In an atom there are the same amount of protons as there are electrons. If there weren’t it would cause the atom to behave differently. Atoms have layers around them called shells which contain electrons. Each shell can only hold a certain amount of electrons. Molecules can be multiple atoms of the same element
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Race: Metal Attending Physician: Unknown Gender: Solid Place of Birth: Many different countries Personality: (melting- 600.61 K --- 327.46 C --- 621.43 F) (Boiling- 2022 K --- 1749 C --- 3180 F) Page 2 Pronunciation Rebus: lēd/ Page 4 # of protons: 82 # of neutrons: 125 # of electrons: 82 Atomic number: 82 Page 6 Family Name: Carbon Family Address: 6 Ancient Drive Brother and Sister: Carbon‚ Silicon‚ Germanium‚ Tin. FleroviumProud Parents of Lead Page 1 Name of element: Kobe Lead
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Recall that isotopes of an element are atoms that have the same number of protons but different numbers of neutrons in their nuclei. Different elements are distinguished by having different numbers of protons. Recall that isotopes of an element are atoms that have the same number of protons but different numbers of neutrons in their nuclei. Different elements are distinguished by having different numbers of protons. The released energy and matter are collectively called nuclear radiation.
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a) A proton has ………positive…….. charge. b) A neutron has ……zero……….. charge. c) An electron has ………negative…….. charge. d) A proton and an electron have ……opposite……….. and ………equal…….. charge. 2. Complete the following sentences using words from the list below. electron(s) ion(s) neutron(s) nucleus (nuclei) proton(s) a) Every atom contains a ……nucleus……….. which is positively charged. e) The nucleus of an atom is composed of ………protons…….. and
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Charging by Induction Purpose: To determine the kind of charge induced on a neutral object when it is approached by a charged object. Materials: • metal-leaf electroscope • ebonite rod • fur • glass rod • silk • human finger (with body) Procedure: 1. The metal-leaf electroscope was approached‚ but not touched‚ by a negatively charged ebonite rod. The rod was moved toward and away from the metal ball on the electroscope several times. Observations were recorded
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Atoms Atom is the fundamental building block of all stuff‚ or what scientists like to call "matter". An individual atom is very small. In fact‚ the smallest type of atom‚ hydrogen‚ has a diameter of 10-8 cm. Every single object is composed of atoms. Our body is made up of many‚ many individual atoms. There are also many different types of atom. These different types are called elements. Examples of some elements are hydrogen‚ oxygen‚ and helium. Under normal conditions many atoms can stick together
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Lagoon Selatan‚ Bandar Sunway‚ 46150 Selangor Darul Ehsan‚ Malaysia. E-mail: jane.tong@ monash.edu Proton: Its rise‚ Fall‚ and Future Prospects For Dato’ Haji Syed Zainal Abidin Tahir (Syed Zainal‚ hereafter)‚ Managing Director of Proton‚ recent headlines such as “Auto Sector Faces Numerous Challenges” and “European Carmakers Zoom in”1 were simply reminders of the challenges his company faced. Proton had been troubled by its declining share of the domestic auto market (Exhibit 1) and consequent dwindling
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Particle physics and nuclear physics concern themselves with the study of these particles‚ their interactions‚ and matter made up of them which do not aggregate into atoms. These particles include atomic constituents such as electrons‚ protons‚ and neutrons (protons and neutrons are actually composite particles‚ made up of quarks)‚ as well as other particles such as photons and neutrinos which are produced copiously in the sun. However‚ most of the particles that have been discovered and studied
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