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