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