A) molecule B) ion C) compound D) Element
A) plasma, proton, neutron B) proton, neutron, electron C) proton, plasma, molecule D) element, neutron,
A) plasma B) proton C) neutron D) electron
A) neutron B) electron C) proton D) element
A) none B) negative C) positive D) both
A) electron and proton B) proton and plasma C) proton and neutron D) neutron and electron
A) neutrons and protons B) electrons C) neutrons D) protons
A) according to atomic number B) according to atomic mass C) according to number of ions D) according alphabetical order
A) none B) 7 C) 5 D) 12
A) 7 B) 8 C) 10 D) 9
A) silver B) copper C) gold D) potassium
A) electron B) element C) molecule D) neutron
A) 12 B) 17 C) 11 D) 15
A) isotope B) isometric C) isomers D) compound
A) ion B) compound C) element D) positive |