3 years ago

If the atomic weight/atomic mass is 0 what does it mean?

1 answer:

3 0

Answer: Neutron matter is equivalent to a chemical element with atomic number 0, which is to say that it is equivalent to a species of atoms having no protons in their atomic nuclei. Neutron matter decays quickly into hydrogen. Neutron matter has no electronic structure on account of its total lack of electrons.

Explanation:

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The density of solid ni is 8.90 g/cm3. how many atoms are present per cubic centimeter of ni

bulgar [2K]

Density gives mass of object per volume...... Here, density is given 8.90 g/cm3 therefore, per cubic centimeter contains 8.90 g Ni. mole of Ni = mass / atomic mass = 8.90 / 58.6934 = 0.1516 mole number of atoms: mole * 6.022 * 10^23 = 0.1516 * 6.022 * 10^23 = 0.9129 * 10^23 = 0.9 * 10^23 (approx.)

7 0

3 years ago

Which has the highest electronegativity value?

AnnZ [28]

Which has the highest electronegativity value?
A
hydrogen

B
calcium

C
helium

D
fluorine d because fluorine has a higher group number