- What element has a nuclear charge of +48?
- What element has 51 neutrons?
- Can Krypton kill you?
- What element has most neutrons?
- Which elements have the most electrons?
- Which element contains 79 neutrons 50 protons and 48 electrons?
- What gas has 48 neutrons?
- Is nuclear charge positive or negative?
- Why are shells called KLMN?
- What element has a nuclear charge of plus 45?
- Is krypton a real element?
- What element has 64 neutrons 48 electrons?
- Why is 3rd shell 8 or 18?
- Why are there 8 electrons in the outer shell?
- What element has a nuclear charge of plus 47?
- What has 36 electrons and 46 neutrons?
- Is antimony a heavy metal?
- Why is W The symbol for tungsten?
Fact boxGroup12321.069°C, 609.924°F, 594.219 KAtomic number48112.414State at 20°CSolid114CdElectron configuration[Kr] 4d105s27440-43-9ChemSpider ID22410ChemSpider is a free chemical structure database2 more rows.
What element has 51 neutrons?
NameAntimonyAtomic Mass121.76 atomic mass unitsNumber of Protons51Number of Neutrons71Number of Electrons519 more rows
Can Krypton kill you?
Since it doesn’t combine with other elements, it doesn’t take part in chemical reactions, so it will not burn, cause corrosion, or do other chemical-like things. It is, however, possible for krypton to hurt you. … This isn’t because the krypton is poisonous, but because of the lack of oxygen in the room.
What element has most neutrons?
ElementElement NumberNumber ofNeutronsHydrogen10Helium22Lithium3451 more rows
Which elements have the most electrons?
Oganesson, element 118 should have the most electrons of the atoms that have existed or been manufactured so far, and with a half life of a few milliseconds, it probably survives long enough to pull in local electrons before decaying.
Which element contains 79 neutrons 50 protons and 48 electrons?
Chemical Elements.com – Krypton (Kr)
What gas has 48 neutrons?
Data ZoneClassification:Krypton is a noble gas and a nonmetalElectrons:36Protons:36Neutrons in most abundant isotope:48Electron shells:2,8,18,87 more rows
Is nuclear charge positive or negative?
The effective nuclear charge (often symbolized as Zeff or Z*) is the net positive charge experienced by an electron in a multi-electron atom. The term “effective” is used because the shielding effect of negatively charged electrons prevents higher orbital electrons from experiencing the full nuclear charge.
Why are shells called KLMN?
The names of the electron shells come from a fellow named Charles G. Barkla, a spectroscopist who studied the X-rays that are emitted by atoms when they are hit with high energy electrons. He noticed that atoms appeared to emit two types of X-rays.
What element has a nuclear charge of plus 45?
RhodiumQuantitySymbolRhAtomic Number45Atomic Weight49 more rows
Is krypton a real element?
Krypton (from Ancient Greek: κρυπτός, romanized: kryptos “the hidden one”) is a chemical element with the symbol Kr and atomic number 36. It is a colorless, odorless, tasteless noble gas that occurs in trace amounts in the atmosphere and is often used with other rare gases in fluorescent lamps.
What element has 64 neutrons 48 electrons?
NameCadmiumAtomic Mass112.411 atomic mass unitsNumber of Protons48Number of Neutrons64Number of Electrons489 more rows
Why is 3rd shell 8 or 18?
4s2 not the third shell, but the next 10 electrons go into the 3d orbitals that are part of the third shell but shown on the fourth shell level. … So the third shell can be considered to hold 8 or 18 electrons but in total the third shell can hold 18 electrons.
Why are there 8 electrons in the outer shell?
The octet rule refers to the tendency of atoms to prefer to have eight electrons in the valence shell. When atoms have fewer than eight electrons, they tend to react and form more stable compounds.
Other examples include manganese, chromium, cobalt, nickel, copper, zinc, selenium, silver, antimony and thallium. Heavy metals are found naturally in the earth. … Some elements otherwise regarded as toxic heavy metals are essential, in small quantities, for human health.
Why is W The symbol for tungsten?
The word tungsten means “heavy stone” in Swedish. The chemical symbol for tungsten is W which stands for Wolfram. The name came from medieval German smelters who found that tin ores containing tungsten had a much lower yield. It was said that the tungsten devoured the tin “like a wolf”.