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Question and answer
Q: 0.25 mole of C has the same number of atoms as 0.25 mole of Hg. True False
A: This is true.
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Original conversation
User: 0.25 mole of C has the same number of atoms as 0.25 mole of Hg. True False

Weegy: This is true.
Expert answered|vchutkan|Points 1059|

User: Electronegativity increases continuously as atomic number increases. True False

Weegy: This is false.
Expert answered|vchutkan|Points 1059|

User: Where are the elements that have the same valence electrons found in the periodic table?

Weegy: They are grouped together in vertical columns.
Expert answered|vchutkan|Points 1060|

User: How many moles of Cl- ions are needed to completely combine with 0.25 moles of Mg+2 ions?

Weegy: You'd need 0.5 moles.
Expert answered|vchutkan|Points 1060|

User: Which element has the greatest electronegativity? B C Cl

Weegy: Fluorine has the greatest overall, however, from those choices, the answer is Cl.
Expert answered|vchutkan|Points 1060|

User: The bonding of two atoms will most likely occur if: a more stable state can result from the union the outer shell can be completely filled all the balance electrons are removed the electronegativities of both atoms are similar

Weegy: The outer shell can be completely filled.
Expert answered|vchutkan|Points 1060|

User: How would Mg change to gain a noble gas structure? lose 2 electrons gain 6 electrons

Weegy: It has to lose 2 electrons.
Expert answered|vchutkan|Points 1060|

User: How could Cl change to gain stability? lose 7 electrons gain one electron

Weegy: It would have to gain one electron.
Expert answered|vchutkan|Points 1060|

User: Positive ions usually form from and are called cations.

Weegy: Yes, positive ions are called cations.
Expert answered|vchutkan|Points 1060|

User: Positive ions usually form from wht

Weegy: They form from metals.
Expert answered|vchutkan|Points 1060|

User: Based upon the ion charge of the following polyatomic ions, predict the formula for the following compounds. sulfate = SO4-2 phosphate = PO4-3 hydroxide = OH- sodium hydroxide

Weegy: NaOH.
Expert answered|vchutkan|Points 1060|

User: In the following table, all the columns for the element sodium are filled out correctly. (Beryllium is done as an example.) Element Electron Configuration of Atom Predicted Ion Charge Beryllium 1s2, 2s2 +2 Sodium 1s2, 2s2, 2p6, 3s1 -1 True False

Weegy: True.
Expert answered|vchutkan|Points 1060|

User: What is the mass of 1.0 x 10-3 mole of Zn? 3.9 x 1022 0.065 0.000015

Weegy: 0.065
Expert answered|vchutkan|Points 1060|

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Asked 6/20/2011 1:40:06 PM
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Questions asked by the same visitor
A beta particle:
Question
Expert Answered
Updated 7/27/2016 10:46:54 AM
1 Answer/Comment

A beta particle is a high-energy, high-speed electron or positron emitted in the radioactive decay of an atomic nucleus, such as a potassium-40 nucleus, in the process of beta decay.

Added 7/27/2016 10:46:52 AM
This answer has been confirmed as correct and helpful.
what is a beta partical User: what is a beta partical? User: What is common about the elements of a period?
Weegy: Elements in the same period in the periodic table have the same number of shells, or energy levels. (More)
Question
Expert Answered
Updated 1/13/2014 12:57:51 PM
1 Answer/Comment

Beta particles are subatomic particles ejected from the nucleus of some radioactive atoms.

Added 1/13/2014 12:57:51 PM
This answer has been confirmed as correct and helpful.
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