GERALDINEBASSIG7IN GERALDINEBASSIG7IN

Science

Answered

1.What is the atomic mass of an atom that contains 12 protons, 12 electrons, and 12 neutrons?
a.amu b.12amu
c.24 d.48amu
2.What kind of particle is present in one gold bar?
a.atoms b.molecules
c.ions d.metals
3.How many CI-ions are present in one of MgC12?
a.6.02 x 1023
b.1.2p x 1024
c.1m81 x 1024
d.2.41 x 1024

Sagot :

MCYESHIASIN MCYESHIASIN

Answer:

1.) C. 24

2.) A. Atoms

3.) D. 2.41x1024

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