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