Which statement correctly describes metallic bonds?
A.
They form when certain atoms lose elec...
Chemistry, 17.06.2020 00:57 Har13526574
Which statement correctly describes metallic bonds?
A.
They form when certain atoms lose electrons and other atoms gain electrons.
B.
They involve an attraction between anions and cations.
C.
They always involve both a metal and a nonmetal.
D.
They can only form between atoms of the same element.
E.
They form because electrons can move freely between atoms.
Answers: 2
Chemistry, 22.06.2019 04:00
Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.
Answers: 1
Chemistry, 22.06.2019 12:40
In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
Answers: 2
Chemistry, 22.06.2019 16:00
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
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